Duplicate from Illumotion/Koboldcpp

Co-authored-by: Cuong Vu <Illumotion@users.noreply.huggingface.co>

.devops/full-cuda.Dockerfile

@@ -0,0 +1,33 @@
+ARG UBUNTU_VERSION=22.04
+
+# This needs to generally match the container host's environment.
+ARG CUDA_VERSION=11.7.1
+
+# Target the CUDA build image
+ARG BASE_CUDA_DEV_CONTAINER=nvidia/cuda:${CUDA_VERSION}-devel-ubuntu${UBUNTU_VERSION}
+
+FROM ${BASE_CUDA_DEV_CONTAINER} as build
+
+# Unless otherwise specified, we make a fat build.
+ARG CUDA_DOCKER_ARCH=all
+
+RUN apt-get update && \
+    apt-get install -y build-essential python3 python3-pip
+
+COPY requirements.txt requirements.txt
+
+RUN pip install --upgrade pip setuptools wheel \
+    && pip install -r requirements.txt
+
+WORKDIR /app
+
+COPY . .
+
+# Set nvcc architecture
+ENV CUDA_DOCKER_ARCH=${CUDA_DOCKER_ARCH}
+# Enable cuBLAS
+ENV LLAMA_CUBLAS=1
+
+RUN make
+
+ENTRYPOINT ["/app/.devops/tools.sh"]

.devops/main-cuda.Dockerfile

@@ -0,0 +1,32 @@
+ARG UBUNTU_VERSION=22.04
+# This needs to generally match the container host's environment.
+ARG CUDA_VERSION=11.7.1
+# Target the CUDA build image
+ARG BASE_CUDA_DEV_CONTAINER=nvidia/cuda:${CUDA_VERSION}-devel-ubuntu${UBUNTU_VERSION}
+# Target the CUDA runtime image
+ARG BASE_CUDA_RUN_CONTAINER=nvidia/cuda:${CUDA_VERSION}-runtime-ubuntu${UBUNTU_VERSION}
+
+FROM ${BASE_CUDA_DEV_CONTAINER} as build
+
+# Unless otherwise specified, we make a fat build.
+ARG CUDA_DOCKER_ARCH=all
+
+RUN apt-get update && \
+    apt-get install -y build-essential
+
+WORKDIR /app
+
+COPY . .
+
+# Set nvcc architecture
+ENV CUDA_DOCKER_ARCH=${CUDA_DOCKER_ARCH}
+# Enable cuBLAS
+ENV LLAMA_CUBLAS=1
+
+RUN make
+
+FROM ${BASE_CUDA_RUN_CONTAINER} as runtime
+
+COPY --from=build /app/main /main
+
+ENTRYPOINT [ "/main" ]

.editorconfig

@@ -0,0 +1,19 @@
+# https://EditorConfig.org
+
+# Top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file, utf-8 charset
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+indent_style = space
+indent_size = 4
+
+[Makefile]
+indent_style = tab
+
+[prompts/*.txt]
+insert_final_newline = unset

.flake8

@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 125

.gitattributes

@@ -0,0 +1,38 @@
+*.7z filter=lfs diff=lfs merge=lfs -text
+*.arrow filter=lfs diff=lfs merge=lfs -text
+*.bin filter=lfs diff=lfs merge=lfs -text
+*.bz2 filter=lfs diff=lfs merge=lfs -text
+*.ckpt filter=lfs diff=lfs merge=lfs -text
+*.ftz filter=lfs diff=lfs merge=lfs -text
+*.gz filter=lfs diff=lfs merge=lfs -text
+*.h5 filter=lfs diff=lfs merge=lfs -text
+*.joblib filter=lfs diff=lfs merge=lfs -text
+*.lfs.* filter=lfs diff=lfs merge=lfs -text
+*.mlmodel filter=lfs diff=lfs merge=lfs -text
+*.model filter=lfs diff=lfs merge=lfs -text
+*.msgpack filter=lfs diff=lfs merge=lfs -text
+*.npy filter=lfs diff=lfs merge=lfs -text
+*.npz filter=lfs diff=lfs merge=lfs -text
+*.onnx filter=lfs diff=lfs merge=lfs -text
+*.ot filter=lfs diff=lfs merge=lfs -text
+*.parquet filter=lfs diff=lfs merge=lfs -text
+*.pb filter=lfs diff=lfs merge=lfs -text
+*.pickle filter=lfs diff=lfs merge=lfs -text
+*.pkl filter=lfs diff=lfs merge=lfs -text
+*.pt filter=lfs diff=lfs merge=lfs -text
+*.pth filter=lfs diff=lfs merge=lfs -text
+*.rar filter=lfs diff=lfs merge=lfs -text
+*.safetensors filter=lfs diff=lfs merge=lfs -text
+saved_model/**/* filter=lfs diff=lfs merge=lfs -text
+*.tar.* filter=lfs diff=lfs merge=lfs -text
+*.tar filter=lfs diff=lfs merge=lfs -text
+*.tflite filter=lfs diff=lfs merge=lfs -text
+*.tgz filter=lfs diff=lfs merge=lfs -text
+*.wasm filter=lfs diff=lfs merge=lfs -text
+*.xz filter=lfs diff=lfs merge=lfs -text
+*.zip filter=lfs diff=lfs merge=lfs -text
+*.zst filter=lfs diff=lfs merge=lfs -text
+*tfevents* filter=lfs diff=lfs merge=lfs -text
+clblast.dll filter=lfs diff=lfs merge=lfs -text
+lib/libopenblas.lib filter=lfs diff=lfs merge=lfs -text
+libopenblas.dll filter=lfs diff=lfs merge=lfs -text

.github/ISSUE_TEMPLATE/custom.md

@@ -0,0 +1,185 @@
+---
+name: Issue and enhancement template
+about: Used to report issues and request enhancements for llama.cpp
+title: "[User] Insert summary of your issue or enhancement.."
+labels: ''
+assignees: ''
+
+---
+
+# Prerequisites
+
+Please answer the following questions for yourself before submitting an issue.
+
+- [ ] I am running the latest code. Development is very rapid so there are no tagged versions as of now.
+- [ ] I carefully followed the [README.md](https://github.com/ggerganov/llama.cpp/blob/master/README.md).
+- [ ] I [searched using keywords relevant to my issue](https://docs.github.com/en/issues/tracking-your-work-with-issues/filtering-and-searching-issues-and-pull-requests) to make sure that I am creating a new issue that is not already open (or closed).
+- [ ] I reviewed the [Discussions](https://github.com/ggerganov/llama.cpp/discussions), and have a new bug or useful enhancement to share.
+
+# Expected Behavior
+
+Please provide a detailed written description of what you were trying to do, and what you expected `llama.cpp` to do.
+
+# Current Behavior
+
+Please provide a detailed written description of what `llama.cpp` did, instead.
+
+# Environment and Context
+
+Please provide detailed information about your computer setup. This is important in case the issue is not reproducible except for under certain specific conditions.
+
+* Physical (or virtual) hardware you are using, e.g. for Linux:
+
+`$ lscpu`
+
+* Operating System, e.g. for Linux:
+
+`$ uname -a`
+
+* SDK version, e.g. for Linux:
+
+```
+$ python3 --version
+$ make --version
+$ g++ --version
+```
+
+# Failure Information (for bugs)
+
+Please help provide information about the failure if this is a bug. If it is not a bug, please remove the rest of this template.
+
+# Steps to Reproduce
+
+Please provide detailed steps for reproducing the issue. We are not sitting in front of your screen, so the more detail the better.
+
+1. step 1
+2. step 2
+3. step 3
+4. etc.
+
+# Failure Logs
+
+Please include any relevant log snippets or files. If it works under one configuration but not under another, please provide logs for both configurations and their corresponding outputs so it is easy to see where behavior changes.
+
+Also, please try to **avoid using screenshots** if at all possible. Instead, copy/paste the console output and use [Github's markdown](https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax) to cleanly format your logs for easy readability.
+
+Example environment info:
+```
+llama.cpp$ git log | head -1
+commit 2af23d30434a677c6416812eea52ccc0af65119c
+
+llama.cpp$ lscpu | egrep "AMD|Flags"
+Vendor ID:                       AuthenticAMD
+Model name:                      AMD Ryzen Threadripper 1950X 16-Core Processor
+Flags:                           fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid amd_dcm aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb hw_pstate ssbd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov succor smca sme sev
+Virtualization:                  AMD-V
+
+llama.cpp$ python3 --version
+Python 3.10.9
+
+llama.cpp$ pip list | egrep "torch|numpy|sentencepiece"
+numpy                         1.24.2
+numpydoc                      1.5.0
+sentencepiece                 0.1.97
+torch                         1.13.1
+torchvision                   0.14.1
+
+llama.cpp$ make --version | head -1
+GNU Make 4.3
+
+$ md5sum ./models/65B/ggml-model-q4_0.bin
+dbdd682cce80e2d6e93cefc7449df487  ./models/65B/ggml-model-q4_0.bin
+```
+
+Example run with the Linux command [perf](https://www.brendangregg.com/perf.html)
+```
+llama.cpp$ perf stat ./main -m ./models/65B/ggml-model-q4_0.bin -t 16 -n 1024 -p "Please close your issue when it has been answered."
+main: seed = 1679149377
+llama_model_load: loading model from './models/65B/ggml-model-q4_0.bin' - please wait ...
+llama_model_load: n_vocab = 32000
+llama_model_load: n_ctx   = 512
+llama_model_load: n_embd  = 8192
+llama_model_load: n_mult  = 256
+llama_model_load: n_head  = 64
+llama_model_load: n_layer = 80
+llama_model_load: n_rot   = 128
+llama_model_load: f16     = 2
+llama_model_load: n_ff    = 22016
+llama_model_load: n_parts = 8
+llama_model_load: ggml ctx size = 41477.73 MB
+llama_model_load: memory_size =  2560.00 MB, n_mem = 40960
+llama_model_load: loading model part 1/8 from './models/65B/ggml-model-q4_0.bin'
+llama_model_load: .......................................................................................... done
+llama_model_load: model size =  4869.09 MB / num tensors = 723
+llama_model_load: loading model part 2/8 from './models/65B/ggml-model-q4_0.bin.1'
+llama_model_load: .......................................................................................... done
+llama_model_load: model size =  4869.09 MB / num tensors = 723
+llama_model_load: loading model part 3/8 from './models/65B/ggml-model-q4_0.bin.2'
+llama_model_load: .......................................................................................... done
+llama_model_load: model size =  4869.09 MB / num tensors = 723
+llama_model_load: loading model part 4/8 from './models/65B/ggml-model-q4_0.bin.3'
+llama_model_load: .......................................................................................... done
+llama_model_load: model size =  4869.09 MB / num tensors = 723
+llama_model_load: loading model part 5/8 from './models/65B/ggml-model-q4_0.bin.4'
+llama_model_load: .......................................................................................... done
+llama_model_load: model size =  4869.09 MB / num tensors = 723
+llama_model_load: loading model part 6/8 from './models/65B/ggml-model-q4_0.bin.5'
+llama_model_load: .......................................................................................... done
+llama_model_load: model size =  4869.09 MB / num tensors = 723
+llama_model_load: loading model part 7/8 from './models/65B/ggml-model-q4_0.bin.6'
+llama_model_load: .......................................................................................... done
+llama_model_load: model size =  4869.09 MB / num tensors = 723
+llama_model_load: loading model part 8/8 from './models/65B/ggml-model-q4_0.bin.7'
+llama_model_load: .......................................................................................... done
+llama_model_load: model size =  4869.09 MB / num tensors = 723
+
+system_info: n_threads = 16 / 32 | AVX = 1 | AVX2 = 1 | AVX512 = 0 | FMA = 1 | NEON = 0 | ARM_FMA = 0 | F16C = 1 | FP16_VA = 0 | WASM_SIMD = 0 | BLAS = 0 | SSE3 = 1 | VSX = 0 |
+
+main: prompt: 'Please close your issue when it has been answered.'
+main: number of tokens in prompt = 11
+     1 -> ''
+ 12148 -> 'Please'
+  3802 -> ' close'
+   596 -> ' your'
+  2228 -> ' issue'
+   746 -> ' when'
+   372 -> ' it'
+   756 -> ' has'
+  1063 -> ' been'
+  7699 -> ' answered'
+ 29889 -> '.'
+
+sampling parameters: temp = 0.800000, top_k = 40, top_p = 0.950000, repeat_last_n = 64, repeat_penalty = 1.300000
+
+
+Please close your issue when it has been answered.
+@duncan-donut: I'm trying to figure out what kind of "support" you need for this script and why, exactly? Is there a question about how the code works that hasn't already been addressed in one or more comments below this ticket, or are we talking something else entirely like some sorta bugfixing job because your server setup is different from mine??
+I can understand if your site needs to be running smoothly and you need help with a fix of sorts but there should really be nothing wrong here that the code itself could not handle. And given that I'm getting reports about how it works perfectly well on some other servers, what exactly are we talking? A detailed report will do wonders in helping us get this resolved for ya quickly so please take your time and describe the issue(s) you see as clearly & concisely as possible!!
+@duncan-donut: I'm not sure if you have access to cPanel but you could try these instructions. It is worth a shot! Let me know how it goes (or what error message, exactly!) when/if ya give that code a go? [end of text]
+
+
+main: mem per token = 71159620 bytes
+main:     load time = 19309.95 ms
+main:   sample time =   168.62 ms
+main:  predict time = 223895.61 ms / 888.47 ms per token
+main:    total time = 246406.42 ms
+
+ Performance counter stats for './main -m ./models/65B/ggml-model-q4_0.bin -t 16 -n 1024 -p Please close your issue when it has been answered.':
+
+        3636882.89 msec task-clock                #   14.677 CPUs utilized
+             13509      context-switches          #    3.714 /sec
+              2436      cpu-migrations            #    0.670 /sec
+          10476679      page-faults               #    2.881 K/sec
+    13133115082869      cycles                    #    3.611 GHz                      (16.77%)
+       29314462753      stalled-cycles-frontend   #    0.22% frontend cycles idle     (16.76%)
+    10294402631459      stalled-cycles-backend    #   78.39% backend cycles idle      (16.74%)
+    23479217109614      instructions              #    1.79  insn per cycle
+                                                  #    0.44  stalled cycles per insn  (16.76%)
+     2353072268027      branches                  #  647.002 M/sec                    (16.77%)
+        1998682780      branch-misses             #    0.08% of all branches          (16.76%)
+
+     247.802177522 seconds time elapsed
+
+    3618.573072000 seconds user
+      18.491698000 seconds sys
+```

.github/workflows/editorconfig.yml

@@ -0,0 +1,17 @@
+name: EditorConfig Checker
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  editorconfig:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: editorconfig-checker/action-editorconfig-checker@main
+      - run: editorconfig-checker

.github/workflows/tidy-post.yml

@@ -0,0 +1,20 @@
+name: clang-tidy review post comments
+
+on:
+  workflow_dispatch:
+    workflows: ["clang-tidy-review"]
+    types:
+      - completed
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: ZedThree/clang-tidy-review/post@v0.13.0
+        # lgtm_comment_body, max_comments, and annotations need to be set on the posting workflow in a split setup
+        with:
+          # adjust options as necessary
+          lgtm_comment_body: ''
+          annotations: false
+          max_comments: 25

.github/workflows/tidy-review.yml

@@ -0,0 +1,23 @@
+name: clang-tidy-review
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  clang-tidy-review:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - uses: ZedThree/clang-tidy-review@v0.13.0
+      id: review
+      with:
+        lgtm_comment_body: ''
+        build_dir: build
+        cmake_command: cmake . -B build -DCMAKE_EXPORT_COMPILE_COMMANDS=on
+        split_workflow: true
+
+    - uses: ZedThree/clang-tidy-review/upload@v0.13.0

.gitignore

@@ -0,0 +1,73 @@
+*.o
+*.a
+*.so
+.DS_Store
+.build/
+.cache/
+.direnv/
+.envrc
+.swiftpm
+.venv
+.clang-tidy
+.vs/
+.vscode/
+
+build/
+build-em/
+build-debug/
+build-release/
+build-static/
+build-cublas/
+build-opencl/
+build-metal/
+build-mpi/
+build-no-accel/
+build-sanitize-addr/
+build-sanitize-thread/
+out/
+
+/main
+/quantize
+/quantize-stats
+/result
+/perplexity
+/embedding
+/train-text-from-scratch
+/simple
+/benchmark-matmult
+/vdot
+/server
+/Pipfile
+/embd-input-test
+/libllama.so
+
+arm_neon.h
+compile_commands.json
+CMakeSettings.json
+
+__pycache__
+
+dist/
+*.spec
+
+zig-out/
+zig-cache/
+
+ppl-*.txt
+qnt-*.txt
+perf-*.txt
+
+examples/jeopardy/results.txt
+koboldcpp.so
+koboldcpp_failsafe.so
+koboldcpp_openblas.so
+koboldcpp_openblas_noavx2.so
+koboldcpp_clblast.so
+koboldcpp.dll
+koboldcpp_failsafe.dll
+koboldcpp_openblas.dll
+koboldcpp_openblas_noavx2.dll
+koboldcpp_clblast.dll
+koboldcpp_cublas.dll
+cublas64_11.dll
+cublasLt64_11.dll

.pre-commit-config.yaml

@@ -0,0 +1,15 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+exclude: prompts/.*.txt
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v3.2.0
+  hooks:
+  - id: trailing-whitespace
+  - id: end-of-file-fixer
+  - id: check-yaml
+  - id: check-added-large-files
+- repo: https://github.com/PyCQA/flake8
+  rev: 6.0.0
+  hooks:
+  -   id: flake8

CMakeLists.txt

@@ -0,0 +1,328 @@
+# DO NOT USE THIS FILE.
+# IT'S ONLY FOR CUBLAS BUILD PURPOSES ON WINDOWS VISUAL STUDIO.
+# IT WILL NOT BE UPDATED OR MAINTAINED !!!
+
+message(STATUS "============== ============== ==============")
+message(STATUS "WARNING! Do NOT use this file. It is UNSUPPORTED for normal users. Use MAKE instead.")
+message(STATUS "It is ONLY for CUBLAS build testing on windows visual studio. IT WILL NOT BE UPDATED OR MAINTAINED !!!")
+message(STATUS "IF YOU ARE SEEING THIS, you MUST ONLY be building AN EXPERIMENAL WINDOWS CUBLAS BUILD! NOTHING ELSE WILL BE SUPPORTED !!!")
+message(STATUS "============== ============== ==============")
+
+cmake_minimum_required(VERSION 3.12) # Don't bump this version for no reason
+project("llama.cpp" C CXX)
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS 1)
+set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type" FORCE)
+set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Release")
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+set(LLAMA_STANDALONE ON)
+set(BUILD_SHARED_LIBS_DEFAULT ON)
+set(LLAMA_STATIC OFF)
+set(LLAMA_NATIVE OFF)
+set(LLAMA_LTO OFF)
+set(LLAMA_ALL_WARNINGS OFF)
+set(LLAMA_ALL_WARNINGS_3RD_PARTY OFF)
+set(LLAMA_GPROF OFF)
+set(LLAMA_SANITIZE_THREAD OFF)
+set(LLAMA_SANITIZE_ADDRESS OFF)
+set(LLAMA_SANITIZE_UNDEFINED OFF)
+
+option(MAKE_MISC_FILES              "MAKE_MISC_FILES"                                       OFF)
+
+# instruction set specific
+option(LLAMA_AVX                    "llama: enable AVX"                                     ON)
+option(LLAMA_AVX2                   "llama: enable AVX2"                                    ON)
+option(LLAMA_AVX512                 "llama: enable AVX512"                                  OFF)
+option(LLAMA_AVX512_VBMI            "llama: enable AVX512-VBMI"                             OFF)
+option(LLAMA_AVX512_VNNI            "llama: enable AVX512-VNNI"                             OFF)
+option(LLAMA_FMA                    "llama: enable FMA"                                     ON)
+# in MSVC F16C is implied with AVX2/AVX512
+if (NOT MSVC)
+    option(LLAMA_F16C               "llama: enable F16C"                                    ON)
+endif()
+
+# 3rd party libs
+option(LLAMA_CUBLAS                          "llama: use cuBLAS"                                ON)
+set(LLAMA_CUDA_DMMV_X      "32" CACHE STRING "llama: x stride for dmmv CUDA kernels")
+set(LLAMA_CUDA_DMMV_Y       "1" CACHE STRING "llama: y block size for dmmv CUDA kernels")
+set(LLAMA_CUDA_MMV_Y        "1" CACHE STRING "llama: y block size for mmv CUDA kernels")
+option(LLAMA_CUDA_DMMV_F16                   "llama: use 16 bit floats for dmmv CUDA kernels"   OFF)
+set(LLAMA_CUDA_KQUANTS_ITER "2" CACHE STRING "llama: iters./thread per block for Q2_K/Q6_K")
+option(LLAMA_K_QUANTS                        "llama: use k-quants"                              ON)
+
+
+#
+# Compile flags
+#
+
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED true)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED true)
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+find_package(Threads REQUIRED)
+
+add_compile_definitions(GGML_USE_K_QUANTS)
+
+if (LLAMA_CUBLAS)
+    cmake_minimum_required(VERSION 3.17)
+
+    find_package(CUDAToolkit)
+    if (CUDAToolkit_FOUND)
+        message(STATUS "cuBLAS found")
+
+        enable_language(CUDA)
+
+        set(GGML_SOURCES_CUDA ggml-cuda.cu ggml-cuda.h)
+        set(GGML_V2_CUDA_SOURCES otherarch/ggml_v2-cuda.cu otherarch/ggml_v2-cuda.h)
+        set(GGML_V2_LEGACY_CUDA_SOURCES otherarch/ggml_v2-cuda-legacy.cu otherarch/ggml_v2-cuda-legacy.h)
+
+        add_compile_definitions(GGML_USE_CUBLAS)
+        #add_compile_definitions(GGML_CUDA_FORCE_DMMV) #non dmmv broken for me
+
+        add_compile_definitions(GGML_CUDA_DMMV_X=${LLAMA_CUDA_DMMV_X})
+        add_compile_definitions(GGML_CUDA_DMMV_Y=${LLAMA_CUDA_DMMV_Y})
+        add_compile_definitions(GGML_CUDA_MMV_Y=${LLAMA_CUDA_MMV_Y})
+        if (LLAMA_CUDA_DMMV_F16)
+            add_compile_definitions(GGML_CUDA_DMMV_F16)
+        endif()
+        add_compile_definitions(K_QUANTS_PER_ITERATION=${LLAMA_CUDA_KQUANTS_ITER})
+
+        if (LLAMA_STATIC)
+            set(LLAMA_EXTRA_LIBS ${LLAMA_EXTRA_LIBS} CUDA::cudart_static CUDA::cublas_static CUDA::cublasLt_static)
+        else()
+            set(LLAMA_EXTRA_LIBS ${LLAMA_EXTRA_LIBS} CUDA::cudart CUDA::cublas CUDA::cublasLt)
+        endif()
+
+    if (NOT DEFINED CMAKE_CUDA_ARCHITECTURES)
+        if (LLAMA_CUDA_DMMV_F16)
+            set(CMAKE_CUDA_ARCHITECTURES "61") # needed for f16 CUDA intrinsics
+        else()
+            set(CMAKE_CUDA_ARCHITECTURES "52;61") # lowest CUDA 12 standard + lowest for integer intrinsics
+        endif()
+    endif()
+    message(STATUS "Using CUDA architectures: ${CMAKE_CUDA_ARCHITECTURES}")
+
+    else()
+        message(WARNING "cuBLAS not found")
+    endif()
+endif()
+
+if (LLAMA_ALL_WARNINGS)
+    if (NOT MSVC)
+        set(c_flags
+            -Wall
+            -Wextra
+            -Wpedantic
+            -Wcast-qual
+            -Wdouble-promotion
+            -Wshadow
+            -Wstrict-prototypes
+            -Wpointer-arith
+        )
+        set(cxx_flags
+            -Wall
+            -Wextra
+            -Wpedantic
+            -Wcast-qual
+            -Wno-unused-function
+            -Wno-multichar
+        )
+    else()
+        # todo : msvc
+    endif()
+
+    add_compile_options(
+            "$<$<COMPILE_LANGUAGE:C>:${c_flags}>"
+            "$<$<COMPILE_LANGUAGE:CXX>:${cxx_flags}>"
+    )
+
+endif()
+
+if (MSVC)
+    add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
+
+    if (BUILD_SHARED_LIBS)
+        set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+    endif()
+endif()
+
+if (LLAMA_LTO)
+    include(CheckIPOSupported)
+    check_ipo_supported(RESULT result OUTPUT output)
+    if (result)
+        set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+    else()
+        message(WARNING "IPO is not supported: ${output}")
+    endif()
+endif()
+
+# Architecture specific
+# TODO: probably these flags need to be tweaked on some architectures
+#       feel free to update the Makefile for your architecture and send a pull request or issue
+message(STATUS "CMAKE_SYSTEM_PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}")
+if (NOT MSVC)
+    if (LLAMA_STATIC)
+        add_link_options(-static)
+        if (MINGW)
+            add_link_options(-static-libgcc -static-libstdc++)
+        endif()
+    endif()
+    if (LLAMA_GPROF)
+        add_compile_options(-pg)
+    endif()
+    if (LLAMA_NATIVE)
+        add_compile_options(-march=native)
+    endif()
+endif()
+
+if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm" OR ${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64")
+    message(STATUS "ARM detected")
+    if (MSVC)
+        # TODO: arm msvc?
+    else()
+        if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "armv6")
+            # Raspberry Pi 1, Zero
+            add_compile_options(-mfpu=neon-fp-armv8 -mfp16-format=ieee -mno-unaligned-access)
+        endif()
+        if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "armv7")
+            # Raspberry Pi 2
+            add_compile_options(-mfpu=neon-fp-armv8 -mfp16-format=ieee -mno-unaligned-access -funsafe-math-optimizations)
+        endif()
+        if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "armv8")
+            # Raspberry Pi 3, 4, Zero 2 (32-bit)
+            add_compile_options(-mfp16-format=ieee -mno-unaligned-access)
+        endif()
+    endif()
+elseif (${CMAKE_SYSTEM_PROCESSOR} MATCHES "^(x86_64|i686|AMD64)$")
+    message(STATUS "x86 detected")
+    if (MSVC)
+        if (LLAMA_AVX512)
+            add_compile_options($<$<COMPILE_LANGUAGE:C>:/arch:AVX512>)
+            add_compile_options($<$<COMPILE_LANGUAGE:CXX>:/arch:AVX512>)
+            # MSVC has no compile-time flags enabling specific
+            # AVX512 extensions, neither it defines the
+            # macros corresponding to the extensions.
+            # Do it manually.
+            if (LLAMA_AVX512_VBMI)
+                add_compile_definitions($<$<COMPILE_LANGUAGE:C>:__AVX512VBMI__>)
+                add_compile_definitions($<$<COMPILE_LANGUAGE:CXX>:__AVX512VBMI__>)
+            endif()
+            if (LLAMA_AVX512_VNNI)
+                add_compile_definitions($<$<COMPILE_LANGUAGE:C>:__AVX512VNNI__>)
+                add_compile_definitions($<$<COMPILE_LANGUAGE:CXX>:__AVX512VNNI__>)
+            endif()
+        elseif (LLAMA_AVX2)
+            add_compile_options($<$<COMPILE_LANGUAGE:C>:/arch:AVX2>)
+            add_compile_options($<$<COMPILE_LANGUAGE:CXX>:/arch:AVX2>)
+        elseif (LLAMA_AVX)
+            add_compile_options($<$<COMPILE_LANGUAGE:C>:/arch:AVX>)
+            add_compile_options($<$<COMPILE_LANGUAGE:CXX>:/arch:AVX>)
+        endif()
+    else()
+        if (LLAMA_F16C)
+            add_compile_options(-mf16c)
+        endif()
+        if (LLAMA_FMA)
+            add_compile_options(-mfma)
+        endif()
+        if (LLAMA_AVX)
+            add_compile_options(-mavx)
+        endif()
+        if (LLAMA_AVX2)
+            add_compile_options(-mavx2)
+        endif()
+        if (LLAMA_AVX512)
+            add_compile_options(-mavx512f)
+            add_compile_options(-mavx512bw)
+        endif()
+        if (LLAMA_AVX512_VBMI)
+            add_compile_options(-mavx512vbmi)
+        endif()
+        if (LLAMA_AVX512_VNNI)
+            add_compile_options(-mavx512vnni)
+        endif()
+    endif()
+elseif (${CMAKE_SYSTEM_PROCESSOR} MATCHES "ppc64")
+    message(STATUS "PowerPC detected")
+    add_compile_options(-mcpu=native -mtune=native)
+    #TODO: Add  targets for Power8/Power9 (Altivec/VSX) and Power10(MMA) and query for big endian systems (ppc64/le/be)
+else()
+    message(STATUS "Unknown architecture")
+endif()
+
+#
+# Build libraries
+#
+
+add_library(ggml OBJECT
+            ggml.c
+            ggml.h
+            k_quants.h
+            k_quants.c
+            ${GGML_SOURCES_CUDA})
+target_include_directories(ggml PUBLIC . ./otherarch ./otherarch/tools)
+target_compile_features(ggml PUBLIC c_std_11) # don't bump
+target_link_libraries(ggml PUBLIC Threads::Threads ${LLAMA_EXTRA_LIBS})
+set_target_properties(ggml PROPERTIES POSITION_INDEPENDENT_CODE ON)
+
+add_library(ggml_v1 OBJECT
+            otherarch/ggml_v1.c
+            otherarch/ggml_v1.h)
+target_include_directories(ggml_v1 PUBLIC . ./otherarch ./otherarch/tools)
+target_compile_features(ggml_v1 PUBLIC c_std_11) # don't bump
+target_link_libraries(ggml_v1 PUBLIC Threads::Threads ${LLAMA_EXTRA_LIBS})
+set_target_properties(ggml_v1 PROPERTIES POSITION_INDEPENDENT_CODE ON)
+
+add_library(ggml_v2 OBJECT
+            otherarch/ggml_v2.c
+            otherarch/ggml_v2.h
+            ${GGML_V2_CUDA_SOURCES}
+            ${GGML_V2_LEGACY_CUDA_SOURCES})
+target_include_directories(ggml_v2 PUBLIC . ./otherarch ./otherarch/tools)
+target_compile_features(ggml_v2 PUBLIC c_std_11) # don't bump
+target_link_libraries(ggml_v2 PUBLIC Threads::Threads ${LLAMA_EXTRA_LIBS})
+set_target_properties(ggml_v2 PROPERTIES POSITION_INDEPENDENT_CODE ON)
+
+add_library(common2
+            examples/common.cpp
+            examples/common.h)
+target_include_directories(common2 PUBLIC . ./otherarch ./otherarch/tools ./examples)
+target_compile_features(common2 PUBLIC cxx_std_11) # don't bump
+target_link_libraries(common2 PRIVATE ggml ${LLAMA_EXTRA_LIBS})
+set_target_properties(common2 PROPERTIES POSITION_INDEPENDENT_CODE ON)
+
+add_library(gpttype_adapter
+            gpttype_adapter.cpp)
+target_include_directories(gpttype_adapter PUBLIC . ./otherarch ./otherarch/tools ./examples)
+target_compile_features(gpttype_adapter PUBLIC cxx_std_11) # don't bump
+target_link_libraries(gpttype_adapter PRIVATE common2 ggml ${LLAMA_EXTRA_LIBS})
+set_target_properties(gpttype_adapter PROPERTIES POSITION_INDEPENDENT_CODE ON)
+
+
+set(TARGET koboldcpp_cublas)
+add_library(${TARGET} SHARED expose.cpp expose.h)
+target_include_directories(${TARGET} PUBLIC . ./otherarch ./otherarch/tools ./examples)
+target_compile_features(${TARGET} PUBLIC cxx_std_11) # don't bump
+set_target_properties(${TARGET} PROPERTIES PREFIX "")
+set_target_properties(${TARGET} PROPERTIES OUTPUT_NAME "koboldcpp_cublas")
+set_target_properties(${TARGET} PROPERTIES POSITION_INDEPENDENT_CODE ON)
+target_link_libraries(${TARGET} PUBLIC ggml ggml_v1 ggml_v2 common2 gpttype_adapter ${CMAKE_THREAD_LIBS_INIT})
+target_compile_features(${TARGET} PRIVATE cxx_std_11)
+
+
+if (MAKE_MISC_FILES)
+add_library(llama
+        llama.cpp
+        llama.h
+        llama-util.h
+        )
+target_include_directories(llama PUBLIC .)
+target_compile_features(llama PUBLIC cxx_std_11) # don't bump
+target_link_libraries(llama PRIVATE
+    ggml
+    ${LLAMA_EXTRA_LIBS}
+    )
+add_subdirectory(examples)
+endif()

Dockerfile

@@ -0,0 +1,10 @@
+FROM python
+WORKDIR /app
+COPY . .
+RUN apt update \
+ && apt install build-essential wget libopenblas-dev make -y \
+ && make LLAMA_OPENBLAS=1 \
+ && wget https://huggingface.co/notstoic/pygmalion-13b-ggml/resolve/main/pygmalion-13b-ggml-q4_0.bin \
+ && apt remove build-essential wget make -y
+
+ ENTRYPOINT ["python", "koboldcpp.py", "pygmalion-13b-ggml-q4_0.bin", "--port", "7860"]

LICENSE.md

@@ -0,0 +1,661 @@
+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU Affero General Public License is a free, copyleft license for
+software and other kinds of works, specifically designed to ensure
+cooperation with the community in the case of network server software.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+our General Public Licenses are intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  Developers that use our General Public Licenses protect your rights
+with two steps: (1) assert copyright on the software, and (2) offer
+you this License which gives you legal permission to copy, distribute
+and/or modify the software.
+
+  A secondary benefit of defending all users' freedom is that
+improvements made in alternate versions of the program, if they
+receive widespread use, become available for other developers to
+incorporate.  Many developers of free software are heartened and
+encouraged by the resulting cooperation.  However, in the case of
+software used on network servers, this result may fail to come about.
+The GNU General Public License permits making a modified version and
+letting the public access it on a server without ever releasing its
+source code to the public.
+
+  The GNU Affero General Public License is designed specifically to
+ensure that, in such cases, the modified source code becomes available
+to the community.  It requires the operator of a network server to
+provide the source code of the modified version running there to the
+users of that server.  Therefore, public use of a modified version, on
+a publicly accessible server, gives the public access to the source
+code of the modified version.
+
+  An older license, called the Affero General Public License and
+published by Affero, was designed to accomplish similar goals.  This is
+a different license, not a version of the Affero GPL, but Affero has
+released a new version of the Affero GPL which permits relicensing under
+this license.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                       TERMS AND CONDITIONS
+
+  0. Definitions.
+
+  "This License" refers to version 3 of the GNU Affero General Public License.
+
+  "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+  "The Program" refers to any copyrightable work licensed under this
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+
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+    This program is distributed in the hope that it will be useful,
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+<https://www.gnu.org/licenses/>.

MIT_LICENSE_GGML_LLAMACPP_ONLY

@@ -0,0 +1,26 @@
+MIT License
+
+Copyright (c) 2023 Georgi Gerganov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+===================================
+
+Note that the above license applies ONLY to the GGML library and llama.cpp by ggerganov which are licensed under the MIT License
+Kobold Lite by Concedo and the provided python ctypes bindings in koboldcpp.dll are licensed under the AGPL v3.0 License

Makefile

@@ -0,0 +1,381 @@
+default: koboldcpp koboldcpp_failsafe koboldcpp_openblas koboldcpp_openblas_noavx2 koboldcpp_clblast koboldcpp_cublas
+tools: quantize_gpt2 quantize_gptj quantize_llama quantize_neox quantize_mpt
+dev: koboldcpp_openblas
+dev2: koboldcpp_clblast
+
+
+ifndef UNAME_S
+UNAME_S := $(shell uname -s)
+endif
+
+ifndef UNAME_P
+UNAME_P := $(shell uname -p)
+endif
+
+ifndef UNAME_M
+UNAME_M := $(shell uname -m)
+endif
+
+ifneq ($(shell grep -e "Arch Linux" -e "ID_LIKE=arch" /etc/os-release 2>/dev/null),)
+ARCH_ADD = -lcblas
+endif
+
+CCV := $(shell $(CC) --version | head -n 1)
+CXXV := $(shell $(CXX) --version | head -n 1)
+
+# Mac OS + Arm can report x86_64
+# ref: https://github.com/ggerganov/whisper.cpp/issues/66#issuecomment-1282546789
+ifeq ($(UNAME_S),Darwin)
+	ifneq ($(UNAME_P),arm)
+		SYSCTL_M := $(shell sysctl -n hw.optional.arm64 2>/dev/null)
+		ifeq ($(SYSCTL_M),1)
+			# UNAME_P := arm
+			# UNAME_M := arm64
+			warn := $(warning Your arch is announced as x86_64, but it seems to actually be ARM64. Not fixing that can lead to bad performance. For more info see: https://github.com/ggerganov/whisper.cpp/issues/66\#issuecomment-1282546789)
+		endif
+	endif
+endif
+
+#
+# Compile flags
+#
+
+# keep standard at C11 and C++11
+CFLAGS   = -I.              -I./include -I./include/CL -I./otherarch -I./otherarch/tools -Ofast -DNDEBUG -std=c11   -fPIC -DGGML_USE_K_QUANTS
+CXXFLAGS = -I. -I./examples -I./include -I./include/CL -I./otherarch -I./otherarch/tools -O3 -DNDEBUG -std=c++11 -fPIC -DGGML_USE_K_QUANTS
+LDFLAGS  =
+
+# these are used on windows, to build some libraries with extra old device compatibility
+SIMPLECFLAGS =
+FULLCFLAGS =
+NONECFLAGS =
+
+OPENBLAS_FLAGS = -DGGML_USE_OPENBLAS -I/usr/local/include/openblas
+CLBLAST_FLAGS = -DGGML_USE_CLBLAST
+FAILSAFE_FLAGS = -DUSE_FAILSAFE
+ifdef LLAMA_CUBLAS
+	CUBLAS_FLAGS = -DGGML_USE_CUBLAS
+else
+	CUBLAS_FLAGS =
+endif
+CUBLASLD_FLAGS =
+CUBLAS_OBJS =
+
+#lets try enabling everything
+CFLAGS   += -pthread -s
+CXXFLAGS += -pthread -s -Wno-multichar -Wno-write-strings
+
+# OS specific
+# TODO: support Windows
+ifeq ($(UNAME_S),Linux)
+	CFLAGS   += -pthread
+	CXXFLAGS += -pthread
+endif
+
+ifeq ($(UNAME_S),Darwin)
+	CFLAGS   += -pthread
+	CXXFLAGS += -pthread
+endif
+ifeq ($(UNAME_S),FreeBSD)
+	CFLAGS   += -pthread
+	CXXFLAGS += -pthread
+endif
+ifeq ($(UNAME_S),NetBSD)
+	CFLAGS   += -pthread
+	CXXFLAGS += -pthread
+endif
+ifeq ($(UNAME_S),OpenBSD)
+	CFLAGS   += -pthread
+	CXXFLAGS += -pthread
+endif
+ifeq ($(UNAME_S),Haiku)
+	CFLAGS   += -pthread
+	CXXFLAGS += -pthread
+endif
+
+ifdef LLAMA_GPROF
+	CFLAGS   += -pg
+	CXXFLAGS += -pg
+endif
+ifdef LLAMA_PERF
+	CFLAGS   += -DGGML_PERF
+	CXXFLAGS += -DGGML_PERF
+endif
+
+# Architecture specific
+# TODO: probably these flags need to be tweaked on some architectures
+#       feel free to update the Makefile for your architecture and send a pull request or issue
+ifeq ($(UNAME_M),$(filter $(UNAME_M),x86_64 i686))
+	# Use all CPU extensions that are available:
+# old library NEEDS mf16c to work. so we must build with it. new one doesnt
+	ifeq ($(OS),Windows_NT)
+		CFLAGS +=
+		NONECFLAGS += -mno-sse3
+		SIMPLECFLAGS += -mavx -msse3
+		FULLCFLAGS += -mavx2 -msse3 -mfma -mf16c -mavx
+	else
+# if not on windows, they are clearly building it themselves, so lets just use whatever is supported
+		CFLAGS += -march=native -mtune=native
+	endif
+endif
+ifneq ($(filter ppc64%,$(UNAME_M)),)
+	POWER9_M := $(shell grep "POWER9" /proc/cpuinfo)
+	ifneq (,$(findstring POWER9,$(POWER9_M)))
+		CFLAGS   += -mcpu=power9
+		CXXFLAGS += -mcpu=power9
+	endif
+	# Require c++23's std::byteswap for big-endian support.
+	ifeq ($(UNAME_M),ppc64)
+		CXXFLAGS += -std=c++23 -DGGML_BIG_ENDIAN
+	endif
+endif
+ifndef LLAMA_NO_ACCELERATE
+	# Mac M1 - include Accelerate framework.
+	# `-framework Accelerate` works on Mac Intel as well, with negliable performance boost (as of the predict time).
+	ifeq ($(UNAME_S),Darwin)
+		CFLAGS  += -DGGML_USE_ACCELERATE
+		LDFLAGS += -framework Accelerate
+	endif
+endif
+
+# it is recommended to use the CMAKE file to build for cublas if you can - will likely work better
+ifdef LLAMA_CUBLAS
+	CUBLAS_FLAGS = -DGGML_USE_CUBLAS -I/usr/local/cuda/include -I/opt/cuda/include -I$(CUDA_PATH)/targets/x86_64-linux/include
+	CUBLASLD_FLAGS = -lcublas -lculibos -lcudart -lcublasLt -lpthread -ldl -lrt -L/usr/local/cuda/lib64 -L/opt/cuda/lib64 -L$(CUDA_PATH)/targets/x86_64-linux/lib
+	CUBLAS_OBJS = ggml-cuda.o ggml_v2-cuda.o ggml_v2-cuda-legacy.o
+	NVCC      = nvcc
+	NVCCFLAGS = --forward-unknown-to-host-compiler
+ifdef CUDA_DOCKER_ARCH
+	NVCCFLAGS += -Wno-deprecated-gpu-targets -arch=$(CUDA_DOCKER_ARCH)
+else
+	NVCCFLAGS += -arch=native
+endif # CUDA_DOCKER_ARCH
+ifdef LLAMA_CUDA_FORCE_DMMV
+	NVCCFLAGS += -DGGML_CUDA_FORCE_DMMV
+endif # LLAMA_CUDA_FORCE_DMMV
+ifdef LLAMA_CUDA_DMMV_X
+	NVCCFLAGS += -DGGML_CUDA_DMMV_X=$(LLAMA_CUDA_DMMV_X)
+else
+	NVCCFLAGS += -DGGML_CUDA_DMMV_X=32
+endif # LLAMA_CUDA_DMMV_X
+ifdef LLAMA_CUDA_MMV_Y
+	NVCCFLAGS += -DGGML_CUDA_MMV_Y=$(LLAMA_CUDA_MMV_Y)
+else ifdef LLAMA_CUDA_DMMV_Y
+	NVCCFLAGS += -DGGML_CUDA_MMV_Y=$(LLAMA_CUDA_DMMV_Y) # for backwards compatibility
+else
+	NVCCFLAGS += -DGGML_CUDA_MMV_Y=1
+endif # LLAMA_CUDA_MMV_Y
+ifdef LLAMA_CUDA_DMMV_F16
+	NVCCFLAGS += -DGGML_CUDA_DMMV_F16
+endif # LLAMA_CUDA_DMMV_F16
+ifdef LLAMA_CUDA_KQUANTS_ITER
+	NVCCFLAGS += -DK_QUANTS_PER_ITERATION=$(LLAMA_CUDA_KQUANTS_ITER)
+else
+	NVCCFLAGS += -DK_QUANTS_PER_ITERATION=2
+endif
+ggml-cuda.o: ggml-cuda.cu ggml-cuda.h
+	$(NVCC) $(NVCCFLAGS) $(CXXFLAGS) $(CUBLAS_FLAGS) $(CUBLAS_CXXFLAGS) -Wno-pedantic -c $< -o $@
+ggml_v2-cuda.o: otherarch/ggml_v2-cuda.cu otherarch/ggml_v2-cuda.h
+	$(NVCC) $(NVCCFLAGS) $(CXXFLAGS) $(CUBLAS_FLAGS) $(CUBLAS_CXXFLAGS) -Wno-pedantic -c $< -o $@
+ggml_v2-cuda-legacy.o: otherarch/ggml_v2-cuda-legacy.cu otherarch/ggml_v2-cuda-legacy.h
+	$(NVCC) $(NVCCFLAGS) $(CXXFLAGS) $(CUBLAS_FLAGS) $(CUBLAS_CXXFLAGS) -Wno-pedantic -c $< -o $@
+endif # LLAMA_CUBLAS
+
+ifdef LLAMA_METAL
+	CFLAGS   += -DGGML_USE_METAL -DGGML_METAL_NDEBUG
+	CXXFLAGS += -DGGML_USE_METAL
+	LDFLAGS  += -framework Foundation -framework Metal -framework MetalKit -framework MetalPerformanceShaders
+	OBJS     += ggml-metal.o
+
+ggml-metal.o: ggml-metal.m ggml-metal.h
+	$(CC) $(CFLAGS) -c $< -o $@
+endif # LLAMA_METAL
+
+ifneq ($(filter aarch64%,$(UNAME_M)),)
+	# Apple M1, M2, etc.
+	# Raspberry Pi 3, 4, Zero 2 (64-bit)
+	CFLAGS +=
+	CXXFLAGS +=
+endif
+ifneq ($(filter armv6%,$(UNAME_M)),)
+	# Raspberry Pi 1, Zero
+	CFLAGS += -mfpu=neon-fp-armv8 -mfp16-format=ieee -mno-unaligned-access
+endif
+ifneq ($(filter armv7%,$(UNAME_M)),)
+	# Raspberry Pi 2
+	CFLAGS += -mfpu=neon-fp-armv8 -mfp16-format=ieee -mno-unaligned-access -funsafe-math-optimizations
+endif
+ifneq ($(filter armv8%,$(UNAME_M)),)
+	# Raspberry Pi 3, 4, Zero 2 (32-bit)
+	CFLAGS += -mfp16-format=ieee -mno-unaligned-access
+endif
+
+DEFAULT_BUILD =
+FAILSAFE_BUILD =
+OPENBLAS_BUILD =
+OPENBLAS_NOAVX2_BUILD =
+CLBLAST_BUILD =
+CUBLAS_BUILD =
+
+ifeq ($(OS),Windows_NT)
+	DEFAULT_BUILD = $(CXX) $(CXXFLAGS)  $^ -shared -o $@.dll $(LDFLAGS)
+	FAILSAFE_BUILD = $(CXX) $(CXXFLAGS) $^ -shared -o $@.dll $(LDFLAGS)
+	OPENBLAS_BUILD = $(CXX) $(CXXFLAGS) $^ lib/libopenblas.lib -shared -o $@.dll $(LDFLAGS)
+	OPENBLAS_NOAVX2_BUILD = $(CXX) $(CXXFLAGS) $^ lib/libopenblas.lib -shared -o $@.dll $(LDFLAGS)
+	CLBLAST_BUILD = $(CXX) $(CXXFLAGS) $^ lib/OpenCL.lib lib/clblast.lib -shared -o $@.dll $(LDFLAGS)
+
+ifdef LLAMA_CUBLAS
+	CUBLAS_BUILD = $(CXX) $(CXXFLAGS) $(CUBLAS_FLAGS) $^ -shared -o $@.dll $(CUBLASLD_FLAGS) $(LDFLAGS)
+endif
+
+else
+	DEFAULT_BUILD = $(CXX) $(CXXFLAGS)  $^ -shared -o $@.so $(LDFLAGS)
+	FAILSAFE_BUILD = $(CXX) $(CXXFLAGS) $^ -shared -o $@.so $(LDFLAGS)
+	ifdef LLAMA_OPENBLAS
+	OPENBLAS_BUILD = $(CXX) $(CXXFLAGS) $^ $(ARCH_ADD) -lopenblas -shared -o $@.so $(LDFLAGS)
+	OPENBLAS_NOAVX2_BUILD = $(CXX) $(CXXFLAGS) $^ $(ARCH_ADD) -lopenblas -shared -o $@.so $(LDFLAGS)
+	endif
+	ifdef LLAMA_CLBLAST
+        ifeq ($(UNAME_S),Darwin)
+                CLBLAST_BUILD = $(CXX) $(CXXFLAGS) $^ -lclblast -framework OpenCL $(ARCH_ADD) -lopenblas -shared -o $@.so $(LDFLAGS)
+        else
+                CLBLAST_BUILD = $(CXX) $(CXXFLAGS) $^ -lclblast -lOpenCL $(ARCH_ADD) -lopenblas -shared -o $@.so $(LDFLAGS)
+        endif
+	endif
+
+ifdef LLAMA_CUBLAS
+	CUBLAS_BUILD = $(CXX) $(CXXFLAGS) $(CUBLAS_FLAGS) $^ -shared -o $@.so $(CUBLASLD_FLAGS) $(LDFLAGS)
+endif
+
+	ifndef LLAMA_OPENBLAS
+	ifndef LLAMA_CLBLAST
+	ifndef LLAMA_CUBLAS
+	OPENBLAS_BUILD = @echo 'Your OS $(OS) does not appear to be Windows. For faster speeds, install and link a BLAS library. Set LLAMA_OPENBLAS=1 to compile with OpenBLAS support or LLAMA_CLBLAST=1 to compile with ClBlast support. This is just a reminder, not an error.'
+	endif
+	endif
+	endif
+endif
+
+
+
+#
+# Print build information
+#
+
+$(info I llama.cpp build info: )
+$(info I UNAME_S:  $(UNAME_S))
+$(info I UNAME_P:  $(UNAME_P))
+$(info I UNAME_M:  $(UNAME_M))
+$(info I CFLAGS:   $(CFLAGS))
+$(info I CXXFLAGS: $(CXXFLAGS))
+$(info I LDFLAGS:  $(LDFLAGS))
+$(info I CC:       $(CCV))
+$(info I CXX:      $(CXXV))
+$(info )
+
+#
+# Build library
+#
+
+ggml.o: ggml.c ggml.h ggml-cuda.h k_quants.h
+	$(CC)  $(CFLAGS) $(FULLCFLAGS) -c $< -o $@
+ggml_openblas.o: ggml.c ggml.h
+	$(CC)  $(CFLAGS) $(FULLCFLAGS) $(OPENBLAS_FLAGS) -c $< -o $@
+ggml_failsafe.o: ggml.c ggml.h
+	$(CC)  $(CFLAGS) $(NONECFLAGS) -c $< -o $@
+ggml_openblas_noavx2.o: ggml.c ggml.h
+	$(CC)  $(CFLAGS) $(SIMPLECFLAGS) $(OPENBLAS_FLAGS) -c $< -o $@
+ggml_clblast.o: ggml.c ggml.h
+	$(CC)  $(CFLAGS) $(FULLCFLAGS) $(CLBLAST_FLAGS) -c $< -o $@
+ggml_cublas.o: ggml.c ggml.h
+	$(CC)  $(CFLAGS) $(FULLCFLAGS) $(CUBLAS_FLAGS) -c $< -o $@
+
+#quants K
+k_quants.o: k_quants.c k_quants.h ggml.h ggml-cuda.h
+	$(CC)  $(CFLAGS) $(FULLCFLAGS) -c $< -o $@
+k_quants_noavx2.o: k_quants.c k_quants.h ggml.h ggml-cuda.h
+	$(CC)  $(CFLAGS) $(SIMPLECFLAGS) -c $< -o $@
+k_quants_failsafe.o: k_quants.c k_quants.h ggml.h ggml-cuda.h
+	$(CC)  $(CFLAGS) $(NONECFLAGS) -c $< -o $@
+
+#version 2 libs
+ggml_v2.o: otherarch/ggml_v2.c otherarch/ggml_v2.h
+	$(CC)  $(CFLAGS) $(FULLCFLAGS) -c $< -o $@
+ggml_v2_openblas.o: otherarch/ggml_v2.c otherarch/ggml_v2.h
+	$(CC)  $(CFLAGS) $(FULLCFLAGS) $(OPENBLAS_FLAGS) -c $< -o $@
+ggml_v2_failsafe.o: otherarch/ggml_v2.c otherarch/ggml_v2.h
+	$(CC)  $(CFLAGS) $(NONECFLAGS) -c $< -o $@
+ggml_v2_openblas_noavx2.o: otherarch/ggml_v2.c otherarch/ggml_v2.h
+	$(CC)  $(CFLAGS) $(SIMPLECFLAGS) $(OPENBLAS_FLAGS) -c $< -o $@
+ggml_v2_clblast.o: otherarch/ggml_v2.c otherarch/ggml_v2.h
+	$(CC)  $(CFLAGS) $(FULLCFLAGS) $(CLBLAST_FLAGS) -c $< -o $@
+ggml_v2_cublas.o: otherarch/ggml_v2.c otherarch/ggml_v2.h
+	$(CC)  $(CFLAGS) $(FULLCFLAGS) $(CUBLAS_FLAGS) -c $< -o $@
+
+#extreme old version compat
+ggml_v1.o: otherarch/ggml_v1.c otherarch/ggml_v1.h
+	$(CC)  $(CFLAGS) $(FULLCFLAGS) -c $< -o $@
+ggml_v1_failsafe.o: otherarch/ggml_v1.c otherarch/ggml_v1.h
+	$(CC)  $(CFLAGS) $(NONECFLAGS) -c $< -o $@
+
+#opencl
+ggml-opencl.o: ggml-opencl.cpp ggml-opencl.h
+	$(CXX) $(CXXFLAGS) $(CLBLAST_FLAGS) -c $< -o $@
+ggml_v2-opencl.o: otherarch/ggml_v2-opencl.cpp otherarch/ggml_v2-opencl.h
+	$(CXX) $(CXXFLAGS) $(CLBLAST_FLAGS) -c $< -o $@
+ggml_v2-opencl-legacy.o: otherarch/ggml_v2-opencl-legacy.c otherarch/ggml_v2-opencl-legacy.h
+	$(CC) $(CFLAGS) -c $< -o $@
+
+# intermediate objects
+llama.o: llama.cpp ggml.h ggml-cuda.h llama.h llama-util.h
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+common.o: examples/common.cpp examples/common.h
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+expose.o: expose.cpp expose.h
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+gpttype_adapter_failsafe.o: gpttype_adapter.cpp
+	$(CXX) $(CXXFLAGS) $(FAILSAFE_FLAGS) -c $< -o $@
+gpttype_adapter.o: gpttype_adapter.cpp
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+gpttype_adapter_clblast.o: gpttype_adapter.cpp
+	$(CXX) $(CXXFLAGS) $(CLBLAST_FLAGS) -c $< -o $@
+gpttype_adapter_cublas.o: gpttype_adapter.cpp
+	$(CXX) $(CXXFLAGS) $(CUBLAS_FLAGS) -c $< -o $@
+
+clean:
+	rm -vf *.o main quantize_llama quantize_gpt2 quantize_gptj quantize_neox quantize_mpt quantize-stats perplexity embedding benchmark-matmult save-load-state main.exe quantize_llama.exe quantize_gptj.exe quantize_gpt2.exe quantize_neox.exe quantize_mpt.exe koboldcpp.dll koboldcpp_openblas.dll koboldcpp_failsafe.dll koboldcpp_openblas_noavx2.dll koboldcpp_clblast.dll koboldcpp_cublas.dll koboldcpp.so koboldcpp_openblas.so koboldcpp_failsafe.so koboldcpp_openblas_noavx2.so koboldcpp_clblast.so koboldcpp_cublas.so
+
+main: examples/main/main.cpp build-info.h ggml.o k_quants.o llama.o common.o $(OBJS)
+	$(CXX) $(CXXFLAGS) $(filter-out %.h,$^) -o $@ $(LDFLAGS)
+	@echo
+	@echo '====  Run ./main -h for help.  ===='
+	@echo
+
+#generated libraries
+koboldcpp: ggml.o ggml_v2.o ggml_v1.o expose.o common.o gpttype_adapter.o k_quants.o $(OBJS)
+	$(DEFAULT_BUILD)
+koboldcpp_openblas: ggml_openblas.o ggml_v2_openblas.o ggml_v1.o expose.o common.o gpttype_adapter.o k_quants.o $(OBJS)
+	$(OPENBLAS_BUILD)
+koboldcpp_failsafe: ggml_failsafe.o ggml_v2_failsafe.o ggml_v1_failsafe.o expose.o common.o gpttype_adapter_failsafe.o k_quants_failsafe.o $(OBJS)
+	$(FAILSAFE_BUILD)
+koboldcpp_openblas_noavx2: ggml_openblas_noavx2.o ggml_v2_openblas_noavx2.o ggml_v1_failsafe.o expose.o common.o gpttype_adapter.o k_quants_noavx2.o $(OBJS)
+	$(OPENBLAS_NOAVX2_BUILD)
+koboldcpp_clblast: ggml_clblast.o ggml_v2_clblast.o ggml_v1.o expose.o common.o gpttype_adapter_clblast.o ggml-opencl.o ggml_v2-opencl.o ggml_v2-opencl-legacy.o k_quants.o $(OBJS)
+	$(CLBLAST_BUILD)
+koboldcpp_cublas: ggml_cublas.o ggml_v2_cublas.o ggml_v1.o expose.o common.o gpttype_adapter_cublas.o k_quants.o $(CUBLAS_OBJS) $(OBJS)
+	$(CUBLAS_BUILD)
+
+quantize_llama: examples/quantize/quantize.cpp ggml.o llama.o k_quants.o
+	$(CXX) $(CXXFLAGS) $^ -o $@ $(LDFLAGS)
+quantize_gptj: ggml.o llama.o k_quants.o otherarch/tools/gptj_quantize.cpp otherarch/tools/common-ggml.cpp
+	$(CXX) $(CXXFLAGS) $^ -o $@ $(LDFLAGS)
+quantize_gpt2: ggml.o llama.o k_quants.o otherarch/tools/gpt2_quantize.cpp otherarch/tools/common-ggml.cpp
+	$(CXX) $(CXXFLAGS) $^ -o $@ $(LDFLAGS)
+quantize_neox: ggml.o llama.o k_quants.o otherarch/tools/neox_quantize.cpp otherarch/tools/common-ggml.cpp
+	$(CXX) $(CXXFLAGS) $^ -o $@ $(LDFLAGS)
+quantize_mpt: ggml.o llama.o k_quants.o otherarch/tools/mpt_quantize.cpp otherarch/tools/common-ggml.cpp
+	$(CXX) $(CXXFLAGS) $^ -o $@ $(LDFLAGS)
+
+
+build-info.h:
+	$(DONOTHING)

Package.swift

@@ -0,0 +1,24 @@
+// swift-tools-version:5.3
+
+import PackageDescription
+
+let package = Package(
+    name: "llama",
+    products: [
+        .library(name: "llama", targets: ["llama"]),
+    ],
+    targets: [
+        .target(
+            name: "llama",
+            path: ".",
+            exclude: ["ggml-metal.metal"],
+            sources: ["ggml.c", "llama.cpp"],
+            publicHeadersPath: "spm-headers",
+            cSettings: [.unsafeFlags(["-Wno-shorten-64-to-32"]), .define("GGML_USE_ACCELERATE")],
+            linkerSettings: [
+                .linkedFramework("Accelerate")
+            ]
+        ),
+    ],
+    cxxLanguageStandard: .cxx11
+)

README.md

@@ -0,0 +1,8 @@
+---
+title: Koboldcpp
+sdk: docker
+emoji: 💻
+colorFrom: blue
+colorTo: purple
+duplicated_from: Illumotion/Koboldcpp
+---

Remote-Link.cmd

@@ -0,0 +1,2 @@
+curl -L https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-windows-amd64.exe -o cloudflared.exe
+cloudflared.exe tunnel --url localhost:5001

build-info.h

@@ -0,0 +1,7 @@
+#ifndef BUILD_INFO_H
+#define BUILD_INFO_H
+
+#define BUILD_NUMBER 999
+#define BUILD_COMMIT "KOBOLDCPP"
+
+#endif // BUILD_INFO_H

clblast.dll

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0611442b931691d9b3c9bc5ebe7625f17a5c5902e1a2b9e98cbad440d1459625
+size 5450752

convert-lora-to-ggml.py

@@ -0,0 +1,133 @@
+import json
+import os
+import re
+import struct
+import sys
+from typing import Any, Dict, Sequence, TextIO
+
+import torch
+
+from convert import DATA_TYPE_TO_FTYPE, NUMPY_TYPE_TO_DATA_TYPE, DataType
+
+HF_SUBLAYER_TO_GGML = {
+    "self_attn.q_proj": "attention.wq",
+    "self_attn.k_proj": "attention.wk",
+    "self_attn.v_proj": "attention.wv",
+    "self_attn.o_proj": "attention.wo",
+    "mlp.gate_proj": "feed_forward.w1",
+    "mlp.down_proj": "feed_forward.w2",
+    "mlp.up_proj": "feed_forward.w3",
+    "input_layernorm": "attention_norm",
+    "post_attention_layernorm": "ffn_norm",
+    # "norm": "norm",
+    # "embed_tokens": "tok_embeddings",
+    # "lm_head": "output",
+}
+
+
+def translate_tensor_name(t: str) -> str:
+    match = re.match(r".*layers\.(\d+)\.(\w+\.\w+)\.lora_(A|B)\.weight", t)
+    if match:
+        nn = match.group(1)
+        sub_layer = match.group(2)
+        lora_type = match.group(3)
+
+        sub_layer_renamed = HF_SUBLAYER_TO_GGML.get(sub_layer)
+        if sub_layer_renamed is None:
+            print(f"Error: unrecognized sub-layer {sub_layer} in tensor {t}")
+            sys.exit(1)
+
+        output_string = (
+            f"layers.{nn}.{HF_SUBLAYER_TO_GGML[sub_layer]}.weight.lora{lora_type}"
+        )
+        return output_string
+    else:
+        print(f"Error: unrecognized tensor {t}")
+        sys.exit(1)
+
+
+def write_file_header(fout: TextIO, params: Dict[str, Any]) -> None:
+    fout.write(b"ggla"[::-1])  # magic (ggml lora)
+    fout.write(struct.pack("i", 1))  # file version
+    fout.write(struct.pack("i", params["r"]))
+    # https://opendelta.readthedocs.io/en/latest/modules/deltas.html says that `lora_alpha` is an int
+    # but some models ship a float value instead
+    # let's convert to int, but fail if lossless conversion is not possible
+    assert int(params["lora_alpha"]) == params["lora_alpha"], "cannot convert float to int losslessly"
+    fout.write(struct.pack("i", int(params["lora_alpha"])))
+
+
+def write_tensor_header(
+    self, name: str, shape: Sequence[int], data_type: DataType
+) -> None:
+    sname = name.encode("utf-8")
+    fout.write(
+        struct.pack(
+            "iii",
+            len(shape),
+            len(sname),
+            DATA_TYPE_TO_FTYPE[NUMPY_TYPE_TO_DATA_TYPE[data_type]],
+        )
+    )
+    fout.write(struct.pack("i" * len(shape), *shape[::-1]))
+    fout.write(sname)
+    fout.seek((fout.tell() + 31) & -32)
+
+
+if len(sys.argv) != 2:
+    print(f"Usage: python {sys.argv[0]} <path>")
+    print(
+        "Path must contain HuggingFace PEFT LoRA files 'adapter_config.json' and 'adapter_model.bin'"
+    )
+    sys.exit(1)
+
+input_json = os.path.join(sys.argv[1], "adapter_config.json")
+input_model = os.path.join(sys.argv[1], "adapter_model.bin")
+output_path = os.path.join(sys.argv[1], "ggml-adapter-model.bin")
+
+model = torch.load(input_model, map_location="cpu")
+
+with open(input_json, "r") as f:
+    params = json.load(f)
+
+if params["peft_type"] != "LORA":
+    print(f"Error: unsupported adapter type {params['peft_type']}, expected LORA")
+    sys.exit(1)
+
+if params["fan_in_fan_out"] is True:
+    print("Error: param fan_in_fan_out is not supported")
+    sys.exit(1)
+
+if params["bias"] is not None and params["bias"] != "none":
+    print("Error: param bias is not supported")
+    sys.exit(1)
+
+# TODO: these seem to be layers that have been trained but without lora.
+# doesn't seem widely used but eventually should be supported
+if params["modules_to_save"] is not None and len(params["modules_to_save"]) > 0:
+    print("Error: param modules_to_save is not supported")
+    sys.exit(1)
+
+with open(output_path, "wb") as fout:
+    fout.truncate()
+
+    write_file_header(fout, params)
+    for k, v in model.items():
+        if k.endswith(".default.weight"):
+            k = k.replace(".default.weight", ".weight")
+        if k in ["llama_proj.weight", "llama_proj.bias"]:
+            continue
+        if k.endswith("lora_A.weight"):
+            if v.dtype != torch.float16 and v.dtype != torch.float32:
+                v = v.float()
+            v = v.T
+        else:
+            v = v.float()
+
+        t = v.detach().numpy()
+        tname = translate_tensor_name(k)
+        print(f"{k} => {tname} {t.shape} {t.dtype} {t.nbytes/1024/1024:.2f}MB")
+        write_tensor_header(fout, tname, t.shape, t.dtype)
+        t.tofile(fout)
+
+print(f"Converted {input_json} and {input_model} to {output_path}")

convert-pth-to-ggml.py

@@ -0,0 +1,13 @@
+# Compatibility stub
+
+import argparse
+
+import convert
+
+parser = argparse.ArgumentParser(
+    description="""[DEPRECATED - use `convert.py` instead]
+    Convert a LLaMA model checkpoint to a ggml compatible file""")
+parser.add_argument('dir_model',  help='directory containing the model checkpoint')
+parser.add_argument('ftype',      help='file type (0: float32, 1: float16)', type=int, choices=[0, 1], default=1)
+args = parser.parse_args()
+convert.main(['--outtype', 'f16' if args.ftype == 1 else 'f32', '--', args.dir_model])

convert.py

@@ -0,0 +1,1263 @@
+import argparse
+import concurrent.futures
+import copy
+import enum
+import faulthandler
+import functools
+import io
+import itertools
+import json
+import math
+import mmap
+import pickle
+import re
+import signal
+import struct
+import sys
+import zipfile
+from abc import ABCMeta, abstractmethod
+from dataclasses import dataclass
+from pathlib import Path
+from typing import (IO, TYPE_CHECKING, Any, Callable, Dict, Iterable, List,
+                    Literal, Optional, Sequence, Tuple, TypeVar, Union)
+
+import numpy as np
+from sentencepiece import SentencePieceProcessor  # type: ignore
+
+if TYPE_CHECKING:
+    from typing_extensions import TypeAlias
+
+if hasattr(faulthandler, 'register') and hasattr(signal, 'SIGUSR1'):
+    faulthandler.register(signal.SIGUSR1)
+
+NDArray: 'TypeAlias' = 'np.ndarray[Any, Any]'
+
+
+@dataclass(frozen=True)
+class UnquantizedDataType:
+    name: str
+
+
+DT_F16 = UnquantizedDataType('F16')
+DT_F32 = UnquantizedDataType('F32')
+DT_I32 = UnquantizedDataType('I32')
+DT_BF16 = UnquantizedDataType('BF16')
+
+
+@dataclass(frozen=True)
+class QuantizedDataType:
+    groupsize: int
+    have_addends: bool
+    have_g_idx: bool
+
+
+DT_Q4_0 = QuantizedDataType(groupsize=32, have_addends=False, have_g_idx=False)
+DT_Q4_1 = QuantizedDataType(groupsize=32, have_addends=True, have_g_idx=False)
+
+DataType = Union[UnquantizedDataType, QuantizedDataType]
+
+DATA_TYPE_TO_FTYPE: Dict[DataType, int] = {
+    DT_F32: 0,
+    DT_F16: 1,
+    DT_Q4_0: 2,
+    DT_Q4_1: 3,
+}
+
+FTYPE_TO_DATA_TYPE: Dict[int, DataType] = \
+    {ftype: dtype for (dtype, ftype) in DATA_TYPE_TO_FTYPE.items()}
+
+DATA_TYPE_TO_NUMPY: Dict[DataType, 'np.dtype[Any]'] = {
+    DT_BF16: np.dtype(np.uint16),
+    DT_F16: np.dtype(np.float16),
+    DT_F32: np.dtype(np.float32),
+    DT_I32: np.dtype(np.int32),
+}
+
+NUMPY_TYPE_TO_DATA_TYPE: Dict['np.dtype[Any]', DataType] = \
+    {dtype: data_type for (data_type, dtype) in DATA_TYPE_TO_NUMPY.items()}
+
+
+class GGMLFileType(enum.Enum):
+    AllF32 = 0
+    MostlyF16 = 1  # except 1d tensors
+    MostlyQ4_0 = 2  # except 1d tensors
+    MostlyQ4_1 = 3  # except 1d tensors
+    PerLayerIsQ4_1 = 4  # but tok_embeddings.weight and output.weight are F16
+
+    def type_for_tensor(self, name: str, tensor: 'LazyTensor') -> DataType:
+        if len(tensor.shape) == 1:
+            # 1D tensors are always F32.
+            return DT_F32
+        elif self == GGMLFileType.AllF32:
+            return DT_F32
+        elif self == GGMLFileType.MostlyF16:
+            return DT_F16
+        elif self == GGMLFileType.MostlyQ4_0:
+            return DT_Q4_0
+        elif self == GGMLFileType.MostlyQ4_1:
+            return DT_Q4_1
+        elif self == GGMLFileType.PerLayerIsQ4_1:
+            if name in ('output.weight', 'tok_embeddings.weight'):
+                return DT_F16
+            else:
+                return DT_Q4_1
+        else:
+            raise ValueError(self)
+
+
+def make_tensors_list() -> List[str]:
+    ret = [
+        'tok_embeddings.weight',
+        'norm.weight',
+        'output.weight',
+    ]
+    for i in range(80):  # maximum number of layer
+        ret += [
+            f'layers.{i}.attention.wq.weight',
+            f'layers.{i}.attention.wk.weight',
+            f'layers.{i}.attention.wv.weight',
+            f'layers.{i}.attention.wo.weight',
+            f'layers.{i}.attention_norm.weight',
+            f'layers.{i}.feed_forward.w1.weight',
+            f'layers.{i}.feed_forward.w2.weight',
+            f'layers.{i}.feed_forward.w3.weight',
+            f'layers.{i}.ffn_norm.weight',
+        ]
+    return ret
+
+
+TENSORS_LIST = make_tensors_list()
+TENSORS_SET = set(TENSORS_LIST)
+
+
+def find_n_mult(n_ff: int, n_embd: int) -> int:
+    # hardcoded magic range
+    for n_mult in range(256, 1, -1):
+        calc_ff = (((8*n_embd) // 3 + n_mult - 1) // n_mult)*n_mult
+        if calc_ff == n_ff:
+            return n_mult
+    raise Exception(f"failed to find n_mult for (n_ff={n_ff}, n_embd={n_embd}).")
+
+@dataclass
+class Params:
+    n_vocab: int
+    n_embd: int
+    n_mult: int
+    n_head: int
+    n_layer: int
+
+    @staticmethod
+    def guessed(model: 'LazyModel') -> 'Params':
+        # try transformer naming first
+        n_vocab, n_embd = model["model.embed_tokens.weight"].shape if "model.embed_tokens.weight" in model else model["tok_embeddings.weight"].shape
+
+        # try transformer naming first
+        if "model.layers.0.self_attn.q_proj.weight" in model:
+            n_layer=next(i for i in itertools.count() if f"model.layers.{i}.self_attn.q_proj.weight" not in model)
+        elif "model.layers.0.self_attn.W_pack.weight" in model:   # next: try baichuan naming
+            n_layer=next(i for i in itertools.count() if f"model.layers.{i}.self_attn.W_pack.weight" not in model)
+        else:
+            n_layer=next(i for i in itertools.count() if f"layers.{i}.attention.wq.weight" not in model)
+
+        if n_layer < 1:
+            raise Exception("failed to guess 'n_layer'. This model is unknown or unsupported.\n"
+                            "Suggestion: provide 'config.json' of the model in the same directory containing model files.")
+
+        n_head=n_embd // 128 # guessed
+
+        return Params(
+            n_vocab=n_vocab,
+            n_embd=n_embd,
+            n_mult=256,
+            n_head=n_head,
+            n_layer=n_layer,
+        )
+
+    @staticmethod
+    def loadHFTransformerJson(model: 'LazyModel', config_path: 'Path') -> 'Params':
+        config = json.load(open(config_path))
+
+        n_vocab = config["vocab_size"];
+        n_embd = config["hidden_size"];
+        n_head = config["num_attention_heads"];
+        n_layer = config["num_hidden_layers"];
+        n_ff = config["intermediate_size"];
+
+        n_mult = find_n_mult(n_ff, n_embd);
+
+        return Params(
+            n_vocab=n_vocab,
+            n_embd=n_embd,
+            n_mult=n_mult,
+            n_head=n_head,
+            n_layer=n_layer,
+        )
+
+    @staticmethod
+    def load(model_plus: 'ModelPlus') -> 'Params':
+        orig_config_path = model_plus.paths[0].parent / "params.json"
+        hf_transformer_config_path = model_plus.paths[0].parent / "config.json"
+
+        if hf_transformer_config_path.exists():
+            params = Params.loadHFTransformerJson(model_plus.model, hf_transformer_config_path)
+        else:
+            params = Params.guessed(model_plus.model)
+
+        print(f'params: n_vocab:{params.n_vocab} n_embd:{params.n_embd} n_mult:{params.n_mult} n_head:{params.n_head} n_layer:{params.n_layer}')
+        return params
+
+
+class SentencePieceVocab:
+    def __init__(self, fname_tokenizer: Path, fname_added_tokens: Optional[Path]) -> None:
+        self.sentencepiece_tokenizer = SentencePieceProcessor(str(fname_tokenizer))
+        added_tokens: Dict[str, int]
+        if fname_added_tokens is not None:
+            added_tokens = json.load(open(fname_added_tokens))
+        else:
+            added_tokens = {}
+        vocab_size: int = self.sentencepiece_tokenizer.vocab_size()
+        expected_ids = list(range(vocab_size, vocab_size + len(added_tokens)))
+        actual_ids = sorted(added_tokens.values())
+        if expected_ids != actual_ids:
+            raise Exception(f"Expected added token IDs to be sequential and start at {len(added_tokens)}; got {actual_ids}")
+        items = sorted(added_tokens.items(), key=lambda text_idx: text_idx[1])
+        self.added_tokens_list = [text for (text, idx) in items]
+        self.vocab_size_base: int = vocab_size
+        self.vocab_size: int = self.vocab_size_base + len(self.added_tokens_list)
+        self.fname_tokenizer = fname_tokenizer
+        self.fname_added_tokens = fname_added_tokens
+
+    def sentencepiece_tokens(self) -> Iterable[Tuple[bytes, float]]:
+        tokenizer = self.sentencepiece_tokenizer
+        for i in range(tokenizer.vocab_size()):
+            text: bytes
+            if tokenizer.is_unknown(i):
+                text = " \u2047 ".encode("utf-8")
+            elif tokenizer.is_control(i):
+                text = b""
+            elif tokenizer.is_byte(i):
+                piece = tokenizer.id_to_piece(i)
+                if len(piece) != 6:
+                    raise Exception(f"Invalid token: {piece}")
+                byte_value = int(piece[3:-1], 16)
+                text = struct.pack("B", byte_value)
+            else:
+                text = tokenizer.id_to_piece(i).replace("\u2581", " ").encode("utf-8")
+            score: float = tokenizer.get_score(i)
+            yield text, score
+
+    def added_tokens(self) -> Iterable[Tuple[bytes, float]]:
+        for text in self.added_tokens_list:
+            score = -1000.0
+            yield text.encode("utf-8"), score
+
+    def all_tokens(self) -> Iterable[Tuple[bytes, float]]:
+        yield from self.sentencepiece_tokens()
+        yield from self.added_tokens()
+
+    def __repr__(self) -> str:
+        return f"<SentencePieceVocab with {self.vocab_size_base} base tokens and {len(self.added_tokens_list)} added tokens>"
+
+
+class GGMLVocab:
+    def __init__(self, tokens: List[Tuple[bytes, float]]):
+        self.tokens = tokens
+        self.vocab_size = len(tokens)
+
+    def all_tokens(self) -> Iterable[Tuple[bytes, float]]:
+        return self.tokens
+
+    def __repr__(self) -> str:
+        return f"<GGMLVocab with {self.vocab_size} tokens>"
+
+
+Vocab = Union[SentencePieceVocab, GGMLVocab]
+
+
+def permute(weights: NDArray, n_head: int) -> NDArray:
+    return (weights.reshape(n_head, 2, weights.shape[0] // n_head // 2, *weights.shape[1:])
+                   .swapaxes(1, 2)
+                   .reshape(weights.shape))
+
+
+def dequantize_q4(qvalues_pack32: NDArray, scales: NDArray, addends: Optional[NDArray], g_idx: Optional[NDArray]) -> NDArray:
+    # First reinterpret each row from a list of int32s containing 8 values each
+    # to a list of uint8s containing 2 values each.
+    qvalues_pack8 = qvalues_pack32.view(np.uint8)
+
+    # Then split out the two values per int8 (which requires an actual
+    # conversion because numpy doesn't natively support int4s).
+    qvalues = np.zeros([qvalues_pack8.shape[0], qvalues_pack8.shape[1] * 2], dtype=np.uint8)
+    qvalues[:, 0::2] = qvalues_pack8 & 0xf
+    qvalues[:, 1::2] = qvalues_pack8 >> 4
+
+    assert addends is None or addends.shape == scales.shape
+    assert qvalues.shape[0] == scales.shape[0]
+    assert qvalues.shape[1] % scales.shape[1] == 0
+    if g_idx is None:
+        repeat_count = qvalues.shape[1] // scales.shape[1]
+        scales = scales[:, :, np.newaxis]
+        if addends is not None:
+            addends = addends[:, :, np.newaxis]
+        # Reshape so that the below computation broadcasts over scales and addends:
+        qvalues.shape = (qvalues.shape[0], scales.shape[1], int(repeat_count))
+    else:
+        # In this case the scale and addend is selected for each column by g_idx:
+        assert addends is not None
+        scales = scales[:, g_idx]
+        addends = addends[:, g_idx]
+    if addends is None:
+        # Q4_0
+        qvalues = qvalues.view(np.int8)
+        qvalues -= 8
+    # And do the actual 'value = scale * qvalue + addend' computation.
+    values = scales * qvalues
+    if addends is not None:
+        values += addends
+    if g_idx is None:
+        values.shape = (values.shape[0], values.shape[1] * values.shape[2])
+    return values
+
+
+class Tensor(metaclass=ABCMeta):
+    data_type: DataType
+
+    @abstractmethod
+    def astype(self, data_type: DataType) -> 'Tensor': ...
+    @abstractmethod
+    def permute(self, n_head: int) -> 'Tensor': ...
+    @abstractmethod
+    def permute_part(self, n_part: int, n_head: int) -> 'UnquantizedTensor': ...
+    @abstractmethod
+    def part(self, n_part: int) -> 'UnquantizedTensor': ...
+    @abstractmethod
+    def to_ggml(self) -> 'GGMLCompatibleTensor': ...
+
+
+def bf16_to_fp32(bf16_arr: np.ndarray) -> np.ndarray:
+    assert bf16_arr.dtype == np.uint16, f"Input array should be of dtype uint16, but got {bf16_arr.dtype}"
+    fp32_arr = bf16_arr.astype(np.uint32) << 16
+    return fp32_arr.view(np.float32)
+
+
+class UnquantizedTensor(Tensor):
+    def __init__(self, ndarray: NDArray) -> None:
+        assert isinstance(ndarray, np.ndarray)
+        self.ndarray = ndarray
+        self.data_type = NUMPY_TYPE_TO_DATA_TYPE[ndarray.dtype]
+
+    def astype(self, data_type: DataType) -> Tensor:
+        dtype = DATA_TYPE_TO_NUMPY[data_type]
+        if self.data_type == DT_BF16:
+            self.ndarray = bf16_to_fp32(self.ndarray)
+        return UnquantizedTensor(self.ndarray.astype(dtype))
+
+    def to_ggml(self) -> 'UnquantizedTensor':
+        return self
+
+    def permute_part(self, n_part: int, n_head: int) -> 'UnquantizedTensor':
+        r = self.ndarray.shape[0] // 3
+        return UnquantizedTensor(permute(self.ndarray[r * n_part : r * n_part + r, ...], n_head))
+
+    def part(self, n_part: int) -> 'UnquantizedTensor':
+        r = self.ndarray.shape[0] // 3
+        return UnquantizedTensor(self.ndarray[r * n_part : r * n_part + r, ...])
+
+    def permute(self, n_head: int) -> 'UnquantizedTensor':
+        return UnquantizedTensor(permute(self.ndarray, n_head))
+
+
+def load_unquantized(lazy_tensor: 'LazyTensor', expected_dtype: Any = None, convert: bool = False) -> NDArray:
+    tensor = lazy_tensor.load()
+    assert isinstance(tensor, UnquantizedTensor)
+
+    # double-check:
+    actual_shape = list(tensor.ndarray.shape)
+    assert actual_shape == lazy_tensor.shape, (actual_shape, lazy_tensor.shape)
+    if expected_dtype is not None and expected_dtype != tensor.ndarray.dtype:
+        if convert:
+            tensor.ndarray = tensor.ndarray.astype(expected_dtype)
+        else:
+            raise ValueError(f'expected this tensor to have dtype {expected_dtype}, got {tensor.ndarray.dtype}')
+
+    return tensor.ndarray
+
+
+class GGMLQuantizedTensor(Tensor):
+    data_type: QuantizedDataType
+
+    def __init__(self, ndarray: NDArray, shape: List[int], data_type: DataType) -> None:
+        rows, columns = shape
+        assert data_type in (DT_Q4_1, DT_Q4_0)  # for now
+        assert isinstance(data_type, QuantizedDataType)  # redundant, but mypy complains without this
+        assert columns % data_type.groupsize == 0
+        words_in_block = 6 if data_type == DT_Q4_1 else 5
+        self.ndarray = ndarray.view(dtype=np.uint32).reshape((rows, columns // data_type.groupsize, words_in_block))
+        self.shape = shape[:]
+        self.data_type = data_type
+
+    def astype(self, data_type: DataType) -> Tensor:
+        if data_type == self.data_type:
+            return self
+        scales = self.ndarray[:, :, 0].view(np.float32)
+        if self.data_type.have_addends:
+            addends = self.ndarray[:, :, 1].view(np.float32)
+        else:
+            addends = None
+        qweights = self.ndarray[:, :, -4:].reshape([self.shape[0], self.shape[1] // 8])
+
+        dq = dequantize_q4(qweights, scales, addends, g_idx=None)
+        return UnquantizedTensor(dq).astype(data_type)
+
+    def to_ggml(self) -> 'GGMLQuantizedTensor':
+        return self
+
+    def permute(self, n_head: int) -> 'GGMLQuantizedTensor':
+        return GGMLQuantizedTensor(permute(self.ndarray, n_head), self.shape, self.data_type)
+
+
+GGMLCompatibleTensor = Union[UnquantizedTensor, GGMLQuantizedTensor]
+
+
+class DeferredPermutedTensor(Tensor):
+    def __init__(self, base: Tensor, n_head: int) -> None:
+        self.base = base
+        self.n_head = n_head
+        self.data_type = self.base.data_type
+
+    def astype(self, data_type: DataType) -> Tensor:
+        return self.base.astype(data_type).permute(self.n_head)
+
+    def to_ggml(self) -> GGMLCompatibleTensor:
+        return self.base.to_ggml().permute(self.n_head)
+
+    def permute(self, n_head: int) -> Tensor:
+        raise Exception("shouldn't permute twice")
+
+
+class GPTQForLLaMaQuantizedTensor(Tensor):
+    def __init__(self, model: 'LazyModel', namebase: str) -> None:
+        qweight = load_unquantized(model[f"{namebase}.qweight"], np.int32)
+        scales = load_unquantized(model[f"{namebase}.scales"], np.float32, convert=True)
+
+        bias = model.get(f"{namebase}.bias")
+        if bias is not None:
+            # Q4_1 does not support bias; good thing the bias is always all zeros.
+            assert not np.any(load_unquantized(bias))
+
+        if f"{namebase}.zeros" in model:
+            zeros = load_unquantized(model[f"{namebase}.zeros"], np.float32)
+        else:
+            qzeros = load_unquantized(model[f"{namebase}.qzeros"], np.int32)
+            assert qzeros.dtype == np.int32
+            zeros = dequantize_q4(qzeros, scales, scales, g_idx=None)
+            assert zeros.dtype == np.float32
+
+        assert zeros.shape == scales.shape
+
+        # Output is transposed compared to the input, and addends have their sign flipped.
+        # Scales and zeros similarly must be transposed but only for newer
+        # versions of GPTQ-for-LLaMa; the older versions can be identified by
+        # having shape (n_embd, 1).
+        qweight = qweight.T
+        if scales.shape[1] != 1:
+            scales = scales.T
+            zeros = zeros.T
+
+        # Output also has signs flipped for the addends.
+        self.qweight = qweight
+        self.scales = scales
+        self.addends = -zeros
+
+        self.g_idx: Optional[NDArray]
+        if f"{namebase}.g_idx" in model:
+            self.g_idx = load_unquantized(model[f"{namebase}.g_idx"], np.int32)
+            assert self.g_idx.shape == (qweight.shape[1] * 8,)
+        else:
+            self.g_idx = None
+
+        self.shape = [self.qweight.shape[0], self.qweight.shape[1] * 8]
+        self.data_type = QuantizedDataType(groupsize=self.groupsize(), have_addends=True,
+                                           have_g_idx=(self.g_idx is not None))
+
+    def inspect(self, row: int, col: int) -> None:
+        '''For debugging.'''
+        qweight = (self.qweight[row, col // 8] >> (4 * (col & 7))) & 0xf
+        if self.g_idx is not None:
+            group = self.g_idx[col]
+        else:
+            group = int(col // self.groupsize())
+        scale = self.scales[row, group]
+        addend = self.addends[row, group]
+        with np.printoptions(precision=None, suppress=True):
+            print(f'scale:{scale} addend:{addend} qweight:{qweight}')
+            print('possible values:', np.arange(16) * scale + addend)
+            print('actual value:', qweight * scale + addend)
+
+    def astype(self, data_type: DataType) -> Tensor:
+        if isinstance(data_type, QuantizedDataType):
+            assert self.g_idx is None and data_type.have_addends is True and data_type.have_g_idx is False
+            return self.regroup(data_type.groupsize)
+
+        dequantized = dequantize_q4(np.ascontiguousarray(self.qweight), self.scales, self.addends, self.g_idx)
+        return UnquantizedTensor(dequantized).astype(data_type)
+
+    def groupsize(self) -> int:
+        assert self.addends.shape == self.scales.shape
+        assert self.shape[1] % self.scales.shape[1] == 0
+        return self.shape[1] // self.scales.shape[1]
+
+    def regroup(self, new_groupsize: int = 32) -> 'GPTQForLLaMaQuantizedTensor':
+        # Old versions of GPTQ-for-LLaMa shared scales and addends between all the
+        # columns in a row.  Newer versions share them between every set of N
+        # columns in a row, where N is the `groupsize` parameter, usually 128.  The
+        # output format shares them between every set of 32 columns.  To handle
+        # this, duplicate scales and addends for every smaller group.
+        # (In the above, 'row' and 'column' are in the sense of the output.)
+        assert self.g_idx is None
+        old_groupsize = self.groupsize()
+        assert old_groupsize >= new_groupsize and old_groupsize % new_groupsize == 0, old_groupsize
+        ret = copy.copy(self)
+        ret.addends = self.addends.repeat(old_groupsize // new_groupsize, axis=1)
+        ret.scales = self.scales.repeat(old_groupsize // new_groupsize, axis=1)
+        ret.data_type = QuantizedDataType(groupsize=new_groupsize, have_addends=True, have_g_idx=False)
+        return ret
+
+    def permute(self, n_head: int) -> Tensor:
+        return DeferredPermutedTensor(self, n_head)
+
+    def to_ggml(self) -> GGMLQuantizedTensor:
+        # The output format looks like this:
+        # For each row:
+        #   For each group of 32 columns:
+        #     - addend (float32, 4 bytes)
+        #     - scale (float32, 4 bytes)
+        #     - weights (int4 * 32, 16 bytes)
+
+        if self.groupsize() != 32:
+            raise Exception("should have been regrouped before converting to ggml")
+
+        # Since the output format is mixed between integers and floats, we have
+        # to hackily view the floats as int32s just so numpy will let us
+        # concatenate them.
+        addends_view = self.addends.view(dtype=np.int32)[:, :, np.newaxis]
+        scales_view = self.scales.view(dtype=np.int32)[:, :, np.newaxis]
+
+        # Split into groups of 4 columns (i.e. 32 columns of quantized data):
+        grouped = self.qweight.reshape([self.qweight.shape[0], self.qweight.shape[1] // 4, 4])
+
+        # And concatenate:
+        grouped = np.concatenate([scales_view, addends_view, grouped], axis=2, casting='no')
+
+        return GGMLQuantizedTensor(grouped, self.shape, DT_Q4_1)
+
+
+@dataclass
+class LazyTensor:
+    _load: Callable[[], Tensor]
+    shape: List[int]
+    data_type: DataType
+    description: str
+
+    def load(self) -> Tensor:
+        ret = self._load()
+        assert ret.data_type == self.data_type, (self.data_type, ret.data_type, self.description)
+        return ret
+
+    def astype(self, data_type: DataType) -> 'LazyTensor':
+        self.validate_conversion_to(data_type)
+
+        def load() -> Tensor:
+            return self.load().astype(data_type)
+        return LazyTensor(load, self.shape, data_type, f'convert({data_type}) {self.description}')
+
+    def validate_conversion_to(self, data_type: DataType) -> None:
+        if data_type == self.data_type:
+            return
+        if isinstance(data_type, QuantizedDataType):
+            if not isinstance(self.data_type, QuantizedDataType):
+                raise Exception(f"Can't turn an unquantized tensor into a quantized type ({data_type})")
+            if self.data_type.have_g_idx:
+                sys.stderr.write(
+                    "Error: Input uses the newer GPTQ-for-LLaMa format (using g_idx), "
+                    "which is not yet natively supported by GGML. "
+                    "For now you can still convert this model by passing `--outtype f16` to dequantize, "
+                    "but that will result in a much larger output file for no quality benefit.\n")
+                sys.exit(1)
+            assert not data_type.have_g_idx and self.data_type.have_addends and data_type.have_addends
+
+
+LazyModel = Dict[str, LazyTensor]
+
+
+@dataclass
+class ModelPlus:
+    model: LazyModel
+    paths: List[Path]  # Where this was read from.
+    format: Literal['ggml', 'torch', 'safetensors']
+    vocab: Optional[Vocab]  # For GGML models (which have vocab built in), the vocab.
+
+
+def merge_sharded(models: List[LazyModel]) -> LazyModel:
+    # Original LLaMA models have each file contain one part of each tensor.
+    # Use a dict instead of a set to preserve order.
+    names = {name: None for model in models for name in model}
+
+    def convert(name: str) -> LazyTensor:
+        lazy_tensors: List[LazyTensor] = [model[name] for model in models]
+        if len(lazy_tensors) == 1:
+            # only one file; don't go through this procedure since there might
+            # be quantized tensors
+            return lazy_tensors[0]
+        if len(lazy_tensors[0].shape) == 1:
+            # the tensor is just duplicated in every file
+            return lazy_tensors[0]
+        if name.startswith('tok_embeddings.') or \
+           name.endswith('.attention.wo.weight') or \
+           name.endswith('.feed_forward.w2.weight'):
+            # split by columns
+            axis = 1
+        else:
+            # split by rows
+            axis = 0
+        concatenated_shape = list(lazy_tensors[0].shape)
+        concatenated_shape[axis] = sum(tensor.shape[axis] for tensor in lazy_tensors)
+
+        def load() -> UnquantizedTensor:
+            ndarrays = [load_unquantized(tensor) for tensor in lazy_tensors]
+            concatenated: NDArray = np.concatenate(ndarrays, axis=axis)
+            return UnquantizedTensor(concatenated)
+        description = 'concatenated[[' + '] | ['.join(lt.description for lt in lazy_tensors) + ']]'
+        return LazyTensor(load, concatenated_shape, lazy_tensors[0].data_type, description)
+    return {name: convert(name) for name in names}
+
+
+def merge_multifile_models(models_plus: List[ModelPlus]) -> ModelPlus:
+    formats = set(mp.format for mp in models_plus)
+    assert len(formats) == 1, "different formats?"
+    format = formats.pop()
+    paths = [path for mp in models_plus for path in mp.paths]
+    # Use the first non-None vocab, if any.
+    try:
+        vocab = next(mp.vocab for mp in models_plus if mp.vocab is not None)
+    except StopIteration:
+        vocab = None
+
+    if any("model.embed_tokens.weight" in mp.model for mp in models_plus):
+        # Transformers models put different tensors in different files, but
+        # don't split indivdual tensors between files.
+        model: LazyModel = {}
+        for mp in models_plus:
+            model.update(mp.model)
+    else:
+        model = merge_sharded([mp.model for mp in models_plus])
+
+    return ModelPlus(model, paths, format, vocab)
+
+
+def permute_lazy(lazy_tensor: LazyTensor, n_head: int) -> LazyTensor:
+    def load() -> Tensor:
+        return lazy_tensor.load().permute(n_head)
+    return LazyTensor(load, lazy_tensor.shape, lazy_tensor.data_type, f'permute({n_head}) ' + lazy_tensor.description)
+
+def permute_part_lazy(lazy_tensor: LazyTensor, n_part: int, n_head: int) -> LazyTensor:
+    def load() -> Tensor:
+        return lazy_tensor.load().permute_part(n_part, n_head)
+    s = lazy_tensor.shape.copy()
+    s[0] = s[0] // 3
+    return LazyTensor(load, s, lazy_tensor.data_type, f'permute({n_head}) ' + lazy_tensor.description)
+
+def part_lazy(lazy_tensor: LazyTensor, n_part: int) -> LazyTensor:
+    def load() -> Tensor:
+        return lazy_tensor.load().part(n_part)
+    s = lazy_tensor.shape.copy()
+    s[0] = s[0] // 3
+    return LazyTensor(load, s, lazy_tensor.data_type, 'part ' + lazy_tensor.description)
+
+def convert_transformers_to_orig(model: LazyModel, params: Params) -> LazyModel:
+    out: LazyModel = {}
+    out["tok_embeddings.weight"] = model["model.embed_tokens.weight"]
+    out["norm.weight"] = model["model.norm.weight"]
+    out["output.weight"] = model["lm_head.weight"]
+
+    for i in itertools.count():
+        if f"model.layers.{i}.self_attn.q_proj.weight" in model:
+            out[f"layers.{i}.attention.wq.weight"] = permute_lazy(model[f"model.layers.{i}.self_attn.q_proj.weight"], params.n_head)
+            out[f"layers.{i}.attention.wk.weight"] = permute_lazy(model[f"model.layers.{i}.self_attn.k_proj.weight"], params.n_head)
+            out[f"layers.{i}.attention.wv.weight"] = model[f"model.layers.{i}.self_attn.v_proj.weight"]
+        elif f"model.layers.{i}.self_attn.W_pack.weight" in model:
+            out[f"layers.{i}.attention.wq.weight"] = permute_part_lazy(model[f"model.layers.{i}.self_attn.W_pack.weight"], 0, params.n_head)
+            out[f"layers.{i}.attention.wk.weight"] = permute_part_lazy(model[f"model.layers.{i}.self_attn.W_pack.weight"], 1, params.n_head)
+            out[f"layers.{i}.attention.wv.weight"] = part_lazy(model[f"model.layers.{i}.self_attn.W_pack.weight"], 2)
+        else:
+            break
+
+        out[f"layers.{i}.attention.wo.weight"] = model[f"model.layers.{i}.self_attn.o_proj.weight"]
+
+        out[f"layers.{i}.feed_forward.w1.weight"] = model[f"model.layers.{i}.mlp.gate_proj.weight"]
+        out[f"layers.{i}.feed_forward.w2.weight"] = model[f"model.layers.{i}.mlp.down_proj.weight"]
+        out[f"layers.{i}.feed_forward.w3.weight"] = model[f"model.layers.{i}.mlp.up_proj.weight"]
+
+        out[f"layers.{i}.attention_norm.weight"] = model[f"model.layers.{i}.input_layernorm.weight"]
+        out[f"layers.{i}.ffn_norm.weight"] = model[f"model.layers.{i}.post_attention_layernorm.weight"]
+    return out
+
+
+def handle_quantization(model: LazyModel) -> LazyModel:
+    '''Convert a model with entries for 'foo.qweight', 'foo.scales', etc.
+    (which resolve to UnquantizedTensors with the raw data) to one with entries
+    for 'foo.weight' (which resolve to QuantizedTensors).
+    '''
+    def convert(name: str) -> Tuple[str, LazyTensor]:
+        if name.endswith(".qweight"):
+            namebase = name.rsplit('.', 1)[0]
+            orig_name = namebase + ".weight"
+
+            lazy_tensor = model[name]
+            assert len(lazy_tensor.shape) == 2
+            real_shape = [lazy_tensor.shape[1], lazy_tensor.shape[0] * 8]
+
+            # Calculate type.  This replicates the logic in
+            # GPTQForLLaMaQuantizedTensor (which is executed when the modelis
+            # actually loaded).
+            lazy_scales = model[f"{namebase}.scales"]
+            scales_width = 1 if lazy_scales.shape[1] == 1 else lazy_scales.shape[0]
+            assert real_shape[1] % scales_width == 0
+            groupsize = real_shape[1] // scales_width
+            have_g_idx = f"{namebase}.g_idx" in model
+            data_type = QuantizedDataType(groupsize=groupsize, have_addends=True, have_g_idx=have_g_idx)
+
+            def load() -> Tensor:
+                return GPTQForLLaMaQuantizedTensor(model, namebase)
+
+            return (orig_name, LazyTensor(load, real_shape, data_type, '[quantized]'))
+        else:
+            return (name, model[name])
+    return dict(convert(name) for name in model)
+
+# Functionality that simulates `torch.load` but where individual tensors are
+# only loaded into memory on demand, not all at once.
+# PyTorch can't do this natively as of time of writing:
+# - https://github.com/pytorch/pytorch/issues/64327
+# This allows us to de-shard without multiplying RAM usage, and also
+# conveniently drops the PyTorch dependency (though we still need numpy).
+
+
+@dataclass
+class LazyStorageKind:
+    data_type: DataType
+
+
+@dataclass
+class LazyStorage:
+    load: Callable[[int, int], NDArray]
+    kind: LazyStorageKind
+    description: str
+
+
+class LazyUnpickler(pickle.Unpickler):
+    def __init__(self, fp: IO[bytes], data_base_path: str, zip_file: zipfile.ZipFile):
+        super().__init__(fp)
+        self.data_base_path = data_base_path
+        self.zip_file = zip_file
+
+    def persistent_load(self, pid: Any) -> Any:
+        assert pid[0] == 'storage'
+        assert isinstance(pid[1], LazyStorageKind)
+        data_type = pid[1].data_type
+        filename_stem = pid[2]
+        filename = self.data_base_path + '/' + filename_stem
+        info = self.zip_file.getinfo(filename)
+
+        def load(offset: int, elm_count: int) -> NDArray:
+            dtype = DATA_TYPE_TO_NUMPY.get(data_type)
+            if dtype is None:
+                raise Exception("tensor stored in unsupported format")
+            fp = self.zip_file.open(info)
+            fp.seek(offset * dtype.itemsize)
+            size = elm_count * dtype.itemsize
+            data = fp.read(size)
+            assert len(data) == size
+            return np.frombuffer(data, dtype)
+        description = f'storage data_type={data_type} path-in-zip={filename} path={self.zip_file.filename}'
+        return LazyStorage(load=load, kind=pid[1], description=description)
+
+    # @staticmethod
+    def lazy_rebuild_tensor_v2(storage: Any, storage_offset: Any, size: Any, stride: Any,
+                               # pyright: ignore[reportSelfClsParameterName]
+                               requires_grad: Any, backward_hooks: Any, metadata: Any = None) -> LazyTensor:
+        assert isinstance(storage, LazyStorage)
+
+        def load() -> UnquantizedTensor:
+            elm_count = stride[0] * size[0]
+            return UnquantizedTensor(storage.load(storage_offset, elm_count).reshape(size))
+        description = f'pickled storage_offset={storage_offset} in {storage.description}'
+        return LazyTensor(load, list(size), storage.kind.data_type, description)
+
+    # @staticmethod
+    def rebuild_from_type_v2(func, new_type, args, state):
+        return func(*args)
+
+    CLASSES: Dict[Any, Any] = {
+        ('torch._tensor', '_rebuild_from_type_v2'): rebuild_from_type_v2,
+        ('torch._utils', '_rebuild_tensor_v2'): lazy_rebuild_tensor_v2,
+        ('torch', 'BFloat16Storage'): LazyStorageKind(DT_BF16),
+        ('torch', 'HalfStorage'): LazyStorageKind(DT_F16),
+        ('torch', 'FloatStorage'): LazyStorageKind(DT_F32),
+        ('torch', 'IntStorage'): LazyStorageKind(DT_I32),
+        ('torch', 'Tensor'): LazyTensor,
+    }
+
+    def find_class(self, module: str, name: str) -> Any:
+        if not module.startswith('torch'):
+            return super().find_class(module, name)
+        return self.CLASSES[(module, name)]
+
+
+def lazy_load_torch_file(outer_fp: IO[bytes], path: Path) -> ModelPlus:
+    zf = zipfile.ZipFile(outer_fp)
+    pickle_paths = [name for name in zf.namelist() if name.endswith('.pkl')]
+    assert len(pickle_paths) == 1, pickle_paths
+    pickle_fp = zf.open(pickle_paths[0], 'r')
+    unpickler = LazyUnpickler(pickle_fp,
+                              data_base_path=pickle_paths[0][:-4],
+                              zip_file=zf)
+    model = unpickler.load()
+    as_dict = dict(model.items())
+    return ModelPlus(model=as_dict, paths=[path], format='torch', vocab=None)
+
+
+SAFETENSORS_DATA_TYPES: Dict[str, DataType] = {
+    'BF16': DT_BF16,
+    'F16': DT_F16,
+    'F32': DT_F32,
+    'I32': DT_I32,
+}
+
+
+def lazy_load_safetensors_file(fp: IO[bytes], path: Path) -> ModelPlus:
+    header_size, = struct.unpack('<Q', fp.read(8))
+    header: Dict[str, Dict[str, Any]] = json.loads(fp.read(header_size))
+    # Use mmap for the actual data to avoid race conditions with the file offset.
+    mapped = memoryview(mmap.mmap(fp.fileno(), 0, access=mmap.ACCESS_READ))
+    byte_buf = mapped[8 + header_size:]
+
+    def convert(info: Dict[str, Any]) -> LazyTensor:
+        data_type = SAFETENSORS_DATA_TYPES[info['dtype']]
+        numpy_dtype = DATA_TYPE_TO_NUMPY[data_type]
+        shape: List[int] = info['shape']
+        begin, end = info['data_offsets']
+        assert 0 <= begin <= end <= len(byte_buf)
+        assert end - begin == math.prod(shape) * numpy_dtype.itemsize
+        buf = byte_buf[begin:end]
+
+        def load() -> UnquantizedTensor:
+            return UnquantizedTensor(np.frombuffer(buf, dtype=numpy_dtype).reshape(shape))
+        description = f'safetensors begin={begin} end={end} type={data_type} path={path}'
+        return LazyTensor(load, shape, data_type, description)
+    model = {name: convert(info) for (name, info) in header.items() if name != '__metadata__'}
+    return ModelPlus(model=model, paths=[path], format='safetensors', vocab=None)
+
+
+def must_read(fp: IO[bytes], length: int) -> bytes:
+    ret = fp.read(length)
+    if len(ret) < length:
+        raise Exception("unexpectedly reached end of file")
+    return ret
+
+
+def lazy_load_ggml_file(fp: io.BufferedReader, path: Path) -> ModelPlus:
+    magic = must_read(fp, 4)[::-1]
+    if magic in (b'ggmf', b'ggjt'):
+        version, = struct.unpack("i", must_read(fp, 4))
+        assert version == 1
+    else:
+        assert magic == b'ggml'
+        version = None
+    n_vocab, n_embd, n_mult, n_head, n_layer, rot, file_type = struct.unpack('<7i', must_read(fp, 28))
+
+    tokens: List[Tuple[bytes, float]] = []
+    for i in range(n_vocab):
+        if i == 32000:
+            # HACK: GPT4All messed with the format without changing the magic
+            # number.  Specifically, they changed the vocab section to contain
+            # `n_vocab - 1` tokens instead of `n_vocab` (i.e. omitting the
+            # extra pad token).  Try to detect if we're reading a file like
+            # this.
+            orig_pos = fp.tell()
+            fp.seek(20, io.SEEK_CUR)
+            is_gpt4all = fp.read(21) == b'tok_embeddings.weight'
+            fp.seek(orig_pos)
+            if is_gpt4all:
+                break
+
+        length, = struct.unpack("i", must_read(fp, 4))
+        text = must_read(fp, length)
+        if magic != b'ggml':
+            score, = struct.unpack("f", must_read(fp, 4))
+            tokens.append((text, score))
+    vocab = GGMLVocab(tokens) if magic != b'ggml' else None
+
+    model: LazyModel = {}
+    # Use mmap for the actual data to avoid race conditions with the file offset.
+    off = fp.raw.tell()
+    mapped = memoryview(mmap.mmap(fp.fileno(), 0, access=mmap.ACCESS_READ))
+    fp.raw.seek(off)  # needed on Windows
+
+    def read_tensor() -> None:  # this is a function so that variables captured in `load` don't change
+        shape_len, name_len, ftype = struct.unpack("iii", must_read(fp, 12))
+        assert 0 <= shape_len <= 3
+        shape: List[int] = list(struct.unpack(f"{shape_len}i", must_read(fp, 4 * shape_len)))
+        shape = shape[::-1]
+        name = must_read(fp, name_len).decode('utf-8')
+        data_type = FTYPE_TO_DATA_TYPE[ftype]
+
+        if magic == b'ggjt':
+            fp.seek((fp.tell() + 31) & -32)
+
+        if data_type == DT_Q4_1:
+            # See GPTQForLLaMaQuantizedTensor.ggml_ndarray()
+            size = 24 * (shape[1] // 32) * shape[0]
+        elif data_type == DT_Q4_0:
+            size = 20 * (shape[1] // 32) * shape[0]
+        else:
+            numpy_dtype = DATA_TYPE_TO_NUMPY[data_type]
+            elm_count = math.prod(shape)
+            size = elm_count * numpy_dtype.itemsize
+        offset = fp.tell()
+        buf = mapped[offset:offset+size]
+        fp.seek(size, io.SEEK_CUR)
+
+        def load() -> Tensor:
+            if isinstance(data_type, QuantizedDataType):
+                ndarray = np.frombuffer(buf, dtype=np.uint32)
+                return GGMLQuantizedTensor(ndarray, shape, data_type)
+            else:
+                return UnquantizedTensor(np.frombuffer(buf, dtype=numpy_dtype).reshape(shape))
+        description = f'ggml offset={offset} type={data_type} path={path}'
+        model[name] = LazyTensor(load, shape, data_type, description)
+
+    while fp.read(1) != b'':
+        fp.seek(-1, io.SEEK_CUR)
+        read_tensor()
+
+    return ModelPlus(model=model, paths=[path], format='ggml', vocab=vocab)
+
+
+@functools.lru_cache(maxsize=None)
+def lazy_load_file(path: Path) -> ModelPlus:
+    fp = open(path, 'rb')
+    first8 = fp.read(8)
+    fp.seek(0)
+    if first8[:2] == b'PK':
+        # A zip file, i.e. PyTorch format
+        return lazy_load_torch_file(fp, path)
+    elif first8[2:4] == b'gg':
+        # GGML format
+        return lazy_load_ggml_file(fp, path)
+    elif struct.unpack('<Q', first8)[0] < 16 * 1024 * 1024:
+        # Probably safetensors
+        return lazy_load_safetensors_file(fp, path)
+    else:
+        raise ValueError(f"unknown format: {path}")
+
+
+In = TypeVar('In')
+Out = TypeVar('Out')
+
+
+def bounded_parallel_map(func: Callable[[In], Out], iterable: Iterable[In], concurrency: int) -> Iterable[Out]:
+    '''Parallel map, but with backpressure.  If the caller doesn't call `next`
+    fast enough, this will stop calling `func` at some point rather than
+    letting results pile up in memory.  Specifically, there is a max of one
+    output value buffered per thread.'''
+    with concurrent.futures.ThreadPoolExecutor() as executor:
+        futures: List[concurrent.futures.Future[Out]] = []
+        items_rev = list(iterable)[::-1]
+        for i in range(min(concurrency, len(items_rev))):
+            futures.append(executor.submit(func, items_rev.pop()))
+        while futures:
+            result = futures.pop(0).result()
+            if items_rev:
+                futures.append(executor.submit(func, items_rev.pop()))
+            yield result
+
+
+def check_vocab_size(params: Params, vocab: Vocab) -> None:
+    if params.n_vocab != vocab.vocab_size:
+        # GGMLVocab comes from the same file as the model so shouldn't mismatch:
+        assert isinstance(vocab, SentencePieceVocab)
+        if params.n_vocab == vocab.vocab_size_base:
+            print("Ignoring added_tokens.json since model matches vocab size without it.")
+            vocab.added_tokens_list = []
+            vocab.vocab_size = vocab.vocab_size_base
+            return
+        msg = f"Vocab size mismatch (model has {params.n_vocab}, but {vocab.fname_tokenizer}"
+        if vocab.fname_added_tokens is not None:
+            msg += f" combined with {vocab.fname_added_tokens}"
+        msg += f" has {vocab.vocab_size})."
+        if vocab.vocab_size < params.n_vocab < vocab.vocab_size + 20 and vocab.fname_added_tokens is None:
+            msg += f"  Most likely you are missing added_tokens.json (should be in {vocab.fname_tokenizer.parent})."
+        raise Exception(msg)
+
+
+class OutputFile:
+    def __init__(self, fname_out: Path) -> None:
+        self.fout = open(fname_out, "wb")
+
+    def write_file_header(self, params: Params, file_type: GGMLFileType) -> None:
+        self.fout.write(b"ggjt"[::-1])  # magic
+        values = [
+            1,  # file version
+            params.n_vocab,
+            params.n_embd,
+            params.n_mult,
+            params.n_head,
+            params.n_layer,
+            params.n_embd // params.n_head,  # rot (obsolete)
+            file_type.value,
+        ]
+        self.fout.write(struct.pack("i" * len(values), *values))
+
+    def write_tensor_header(self, name: str, shape: Sequence[int], data_type: DataType) -> None:
+        sname = name.encode('utf-8')
+        self.fout.write(struct.pack("iii", len(shape), len(sname), DATA_TYPE_TO_FTYPE[data_type]))
+        self.fout.write(struct.pack("i" * len(shape), *shape[::-1]))
+        self.fout.write(sname)
+        self.fout.seek((self.fout.tell() + 31) & -32)
+
+    def write_vocab(self, vocab: Vocab) -> None:
+        for text, score in vocab.all_tokens():
+            self.fout.write(struct.pack("i", len(text)))
+            self.fout.write(text)
+            self.fout.write(struct.pack("f", score))
+
+    @staticmethod
+    def write_vocab_only(fname_out: Path, vocab: Vocab) -> None:
+        of = OutputFile(fname_out)
+        params = Params(n_vocab=vocab.vocab_size, n_embd=0, n_mult=0,
+                        n_head=1, n_layer=0)
+        of = OutputFile(fname_out)
+        of.write_file_header(params, file_type=GGMLFileType.AllF32)
+        of.write_vocab(vocab)
+        of.fout.close()
+
+    @staticmethod
+    def write_all(fname_out: Path, params: Params, file_type: GGMLFileType, model: LazyModel, vocab: Vocab) -> None:
+        check_vocab_size(params, vocab)
+        of = OutputFile(fname_out)
+        of.write_file_header(params, file_type)
+        print("Writing vocab...")
+        of.write_vocab(vocab)
+
+        def do_item(item: Tuple[str, LazyTensor]) -> NDArray:
+            name, lazy_tensor = item
+            return lazy_tensor.load().to_ggml().ndarray
+
+        ndarrays = bounded_parallel_map(do_item, model.items(), concurrency=8)
+        for i, ((name, lazy_tensor), ndarray) in enumerate(zip(model.items(), ndarrays)):
+            size = ' x '.join(f"{dim:6d}" for dim in lazy_tensor.shape)
+            padi = len(str(len(model)))
+            print(f"[{i+1:{padi}d}/{len(model)}] Writing tensor {name:38s} | size {size:16} | type {lazy_tensor.data_type}")
+            of.write_tensor_header(name, lazy_tensor.shape, lazy_tensor.data_type)
+            ndarray.tofile(of.fout)
+        of.fout.close()
+
+
+def pick_output_type(model: LazyModel, output_type_str: Optional[str]) -> GGMLFileType:
+    wq_type = model["layers.0.attention.wq.weight"].data_type
+    if output_type_str == "f32" or (output_type_str is None and wq_type in (DT_F32, DT_BF16)):
+        return GGMLFileType.AllF32
+    if output_type_str == "f16" or (output_type_str is None and wq_type == DT_F16):
+        return GGMLFileType.MostlyF16
+    if output_type_str == "q4_1" or (output_type_str is None and isinstance(wq_type, QuantizedDataType) and
+                                     wq_type.have_addends):
+        if isinstance(model["output.weight"].data_type, QuantizedDataType):
+            return GGMLFileType.MostlyQ4_1
+        else:
+            return GGMLFileType.PerLayerIsQ4_1
+    if output_type_str == "q4_0" or (output_type_str is None and isinstance(wq_type, QuantizedDataType)):
+        return GGMLFileType.MostlyQ4_0
+    name_to_type = {name: lazy_tensor.data_type for (name, lazy_tensor) in model.items()}
+    raise Exception(f"Unexpected combination of types: {name_to_type}")
+
+
+def do_necessary_conversions(model: LazyModel, params: Params) -> LazyModel:
+    model = handle_quantization(model)
+
+    if "lm_head.weight" in model:
+        model = convert_transformers_to_orig(model, params)
+    model = filter_and_sort_tensors(model)
+
+    return model
+
+
+def convert_to_output_type(model: LazyModel, output_type: GGMLFileType) -> LazyModel:
+    return {name: tensor.astype(output_type.type_for_tensor(name, tensor))
+            for (name, tensor) in model.items()}
+
+
+def nth_multifile_path(path: Path, n: int) -> Optional[Path]:
+    '''Given any path belonging to a multi-file model (e.g. foo.bin.1), return
+    the nth path in the model.
+    '''
+    # Support the following patterns:
+    patterns: List[Tuple[str, str]] = [
+        # - x.00.pth, x.01.pth, etc.
+        (r'\.[0-9]{2}\.pth$', f'.{n:02}.pth'),
+        # - x-00001-of-00002.bin, x-00002-of-00002.bin, etc.
+        (r'-[0-9]{5}-of-(.*)$', fr'-{n:05}-of-\1'),
+        # x.bin, x.bin.1, etc.
+        (r'(\.[0-9]+)?$', r'\1' if n == 0 else fr'\1.{n}')
+    ]
+    for regex, replacement in patterns:
+        if re.search(regex, path.name):
+            new_path = path.with_name(re.sub(regex, replacement, path.name))
+            if new_path.exists():
+                return new_path
+    return None
+
+
+def find_multifile_paths(path: Path) -> List[Path]:
+    '''Given any path belonging to a multi-file model (e.g. foo.bin.1), return
+    the whole list of paths in the model.
+    '''
+    ret: List[Path] = []
+    for i in itertools.count():
+        nth_path = nth_multifile_path(path, i)
+        if nth_path is None:
+            break
+        ret.append(nth_path)
+    if not ret:
+        # No matches.  This should only happen if the file was named, e.g.,
+        # foo.0, and there was no file named foo.  Oh well, try to process it
+        # as a single file.
+        return [path]
+    return ret
+
+
+def load_some_model(path: Path) -> ModelPlus:
+    '''Load a model of any supported format.'''
+    # Be extra-friendly and accept either a file or a directory:
+    if path.is_dir():
+        # Check if it's a set of safetensors files first
+        files = list(path.glob("model-00001-of-*.safetensors"))
+        if not files:
+            # Try the PyTorch patterns too, with lower priority
+            globs = ["consolidated.00.pth", "pytorch_model-00001-of-*.bin", "*.pt", "pytorch_model.bin"]
+            files = [file for glob in globs for file in path.glob(glob)]
+        if not files:
+            # Try GGML too, but with lower priority, since if both a non-GGML
+            # model and a GGML model exist in the same directory, we assume the
+            # latter was converted from the former.
+            files = list(path.glob("ggml-model*.bin*"))
+        if not files:
+            raise Exception(f"Can't find model in directory {path}")
+        if len(files) > 1:
+            raise Exception(f"Found multiple models in {path}, not sure which to pick: {files}")
+        path = files[0]
+
+    paths = find_multifile_paths(path)
+    models_plus: List[ModelPlus] = []
+    for path in paths:
+        print(f"Loading model file {path}")
+        models_plus.append(lazy_load_file(path))
+
+    model_plus = merge_multifile_models(models_plus)
+    return model_plus
+
+
+def filter_and_sort_tensors(model: LazyModel) -> LazyModel:
+    return {name: model[name] for name in TENSORS_LIST if name in model}
+
+
+def load_vocab(path: Path) -> SentencePieceVocab:
+    # Be extra-friendly and accept either a file or a directory.  Also, if it's
+    # a directory, it might be the model directory, and tokenizer.model might
+    # be in the parent of that.
+    if path.is_dir():
+        path2 = path / "tokenizer.model"
+        # Use `.parent` instead of /.. to handle the symlink case better.
+        path3 = path.parent / "tokenizer.model"
+        if path2.exists():
+            path = path2
+        elif path3.exists():
+            path = path3
+        else:
+            raise FileNotFoundError(
+                f"Could not find tokenizer.model in {path} or its parent; "
+                "if it's in another directory, pass the directory as --vocab-dir")
+    added_tokens_path = path.parent / "added_tokens.json"
+    print(f"Loading vocab file {path}")
+    return SentencePieceVocab(path, added_tokens_path if added_tokens_path.exists() else None)
+
+
+def default_outfile(model_paths: List[Path], file_type: GGMLFileType) -> Path:
+    namestr = {
+        GGMLFileType.AllF32: "f32",
+        GGMLFileType.MostlyF16: "f16",
+        GGMLFileType.MostlyQ4_0: "q4_0",
+        GGMLFileType.MostlyQ4_1: "q4_1",
+        GGMLFileType.PerLayerIsQ4_1: "q4_1",
+    }[file_type]
+    ret = model_paths[0].parent / f"ggml-model-{namestr}.bin"
+    if ret in model_paths:
+        sys.stderr.write(
+            f"Error: Default output path ({ret}) would overwrite the input. "
+            "Please explicitly specify a path using --outfile.\n")
+        sys.exit(1)
+    return ret
+
+
+def do_dump_model(model_plus: ModelPlus) -> None:
+    print(f"model_plus.paths = {model_plus.paths!r}")
+    print(f"model_plus.format = {model_plus.format!r}")
+    print(f"model_plus.vocab = {model_plus.vocab!r}")
+    for name, lazy_tensor in model_plus.model.items():
+        print(f"{name}: shape={lazy_tensor.shape} type={lazy_tensor.data_type}; {lazy_tensor.description}")
+
+
+def main(args_in: Optional[List[str]] = None) -> None:
+    parser = argparse.ArgumentParser(description="Convert a LLaMa model to a GGML compatible file")
+    parser.add_argument("--dump", action="store_true", help="don't convert, just show what's in the model")
+    parser.add_argument("--dump-single", action="store_true", help="don't convert, just show what's in a single model file")
+    parser.add_argument("--vocab-only", action="store_true", help="extract only the vocab")
+    parser.add_argument("--outtype", choices=["f32", "f16", "q4_1", "q4_0"], help="output format (default: based on input)")
+    parser.add_argument("--vocab-dir", type=Path, help="directory containing tokenizer.model, if separate from model file")
+    parser.add_argument("--outfile", type=Path, help="path to write to; default: based on input")
+    parser.add_argument("model", type=Path,
+                        help="directory containing model file, or model file itself (*.pth, *.pt, *.bin)")
+    args = parser.parse_args(args_in)
+
+    vocab: Vocab
+    if args.dump_single:
+        model_plus = lazy_load_file(args.model)
+        do_dump_model(model_plus)
+    elif args.vocab_only:
+        vocab = load_vocab(args.vocab_dir or args.model)
+        assert args.outfile, "need --outfile if using --vocab-only"
+        outfile = args.outfile
+        OutputFile.write_vocab_only(outfile, vocab)
+        print(f"Wrote {outfile}")
+    else:
+        model_plus = load_some_model(args.model)
+        if args.dump:
+            do_dump_model(model_plus)
+            return
+        if model_plus.vocab is not None and args.vocab_dir is None:
+            vocab = model_plus.vocab
+        else:
+            vocab_dir = args.vocab_dir if args.vocab_dir else model_plus.paths[0].parent
+            vocab = load_vocab(vocab_dir)
+        params = Params.load(model_plus)
+        model = model_plus.model
+        model = do_necessary_conversions(model, params)
+        output_type = pick_output_type(model, args.outtype)
+        model = convert_to_output_type(model, output_type)
+        outfile = args.outfile or default_outfile(model_plus.paths, output_type)
+        OutputFile.write_all(outfile, params, output_type, model, vocab)
+        print(f"Wrote {outfile}")
+
+
+if __name__ == '__main__':
+    main()

docs/token_generation_performance_tips.md

@@ -0,0 +1,40 @@
+# Token generation performance troubleshooting
+
+## Verifying that the model is running on the GPU with cuBLAS
+Make sure you compiled llama with the correct env variables according to [this guide](../README.md#cublas), so that llama accepts the `-ngl N` (or `--n-gpu-layers N`) flag. When running llama, you may configure `N` to be very large, and llama will offload the maximum possible number of layers to the GPU, even if it's less than the number you configured. For example:
+```shell
+./main -m "path/to/model.bin" -ngl 200000 -p "Please sir, may I have some "
+```
+
+When running llama, before it starts the inference work, it will output diagnostic information that shows whether cuBLAS is offloading work to the GPU. Look for these lines:
+```shell
+llama_model_load_internal: [cublas] offloading 60 layers to GPU
+llama_model_load_internal: [cublas] offloading output layer to GPU
+llama_model_load_internal: [cublas] total VRAM used: 17223 MB
+... rest of inference
+```
+
+If you see these lines, then the GPU is being used.
+
+## Verifying that the CPU is not oversaturated
+llama accepts a `-t N` (or `--threads N`) parameter. It's extremely important that this parameter is not too large. If your token generation is extremely slow, try setting this number to 1. If this significantly improves your token generation speed, then your CPU is being oversaturated and you need to explicitly set this parameter to the number of the physicial CPU cores on your machine (even if you utilize a GPU). If in doubt, start with 1 and double the amount until you hit a performance bottleneck, then scale the number down.
+
+# Example of runtime flags effect on inference speed benchmark
+These runs were tested on the following machine:
+GPU: A6000 (48GB VRAM)
+CPU: 7 physical cores
+RAM: 32GB
+
+Model: `TheBloke_Wizard-Vicuna-30B-Uncensored-GGML/Wizard-Vicuna-30B-Uncensored.ggmlv3.q4_0.bin` (30B parameters, 4bit quantization, GGML)
+
+Run command: `./main -m "path/to/model.bin" -p "-p "An extremely detailed description of the 10 best ethnic dishes will follow, with recipes: " -n 1000 [additional benchmark flags]`
+
+Result:
+
+| command | tokens/second (higher is better) |
+| - | - |
+| -ngl 2000000 | N/A (less than 0.1) |
+| -t 7 | 1.7 |
+| -t 1 -ngl 2000000 | 5.5 |
+| -t 7 -ngl 2000000 | 8.7 |
+| -t 4 -ngl 2000000 | 9.1 |

examples/CMakeLists.txt

@@ -0,0 +1,49 @@
+# dependencies
+
+find_package(Threads REQUIRED)
+
+# third-party
+
+# ...
+
+# common
+
+set(TARGET common)
+
+add_library(${TARGET} OBJECT
+    common.h
+    common.cpp
+    )
+
+if (BUILD_SHARED_LIBS)
+    set_target_properties(${TARGET} PROPERTIES POSITION_INDEPENDENT_CODE ON)
+endif()
+
+target_include_directories(${TARGET} PUBLIC .)
+target_compile_features(${TARGET} PUBLIC cxx_std_11)
+target_link_libraries(${TARGET} PRIVATE llama)
+
+# examples
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+
+if (EMSCRIPTEN)
+else()
+    add_subdirectory(main)
+    add_subdirectory(quantize)
+    add_subdirectory(quantize-stats)
+    add_subdirectory(perplexity)
+    add_subdirectory(embedding)
+    add_subdirectory(save-load-state)
+    add_subdirectory(benchmark)
+    add_subdirectory(baby-llama)
+    add_subdirectory(train-text-from-scratch)
+    add_subdirectory(simple)
+    add_subdirectory(embd-input)
+    if (LLAMA_METAL)
+        add_subdirectory(metal)
+    endif()
+    if (LLAMA_BUILD_SERVER)
+        add_subdirectory(server)
+    endif()
+endif()

examples/Miku.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+set -e
+
+AI_NAME="${AI_NAME:-Miku}"
+MODEL="${MODEL:-./models/gpt4all-7B/gpt4all-lora-unfiltered-quantized.bin}"
+USER_NAME="${USER_NAME:-Anon}"
+
+# Uncomment and adjust to the number of CPU cores you want to use.
+#N_THREAD="${N_THREAD:-4}"
+N_PREDICTS="${N_PREDICTS:-4096}"
+
+GEN_OPTIONS=(--batch_size 1024
+--ctx_size 2048
+--keep -1
+--repeat_last_n 256
+--repeat_penalty 1.17647
+--temp 0.7
+--top_k 40
+--top_p 0.5)
+
+if [ -n "$N_THREAD" ]; then
+    GEN_OPTIONS+=(--threads "$N_THREAD")
+fi
+
+./main "${GEN_OPTIONS[@]}" \
+    --model "$MODEL" \
+    --n_predict "$N_PREDICTS" \
+    --color --interactive \
+    --reverse-prompt "${USER_NAME}:" \
+    --prompt "
+This is a transcript of a 1000 page, never ending conversation between ${USER_NAME} and the cute and helpful AI assistant ${AI_NAME}. ${AI_NAME} is a girl who is an AI running on the user's computer.
+${AI_NAME} can think for herself without the user seeing her thoughts by adding a /think prefix to her output. She uses this to reason about the world and to think about what she should say next.
+${AI_NAME} is always coherent and makes sense, but if she isn't sure if what she is saying is correct, she will ask the user for help.
+${AI_NAME} is a very helpful AI and will help the user with anything they need. She is also very friendly and will try to make the user feel better if they are sad.
+${AI_NAME} is also very curious and will ask the user a lot of questions about themselves and their life. She will also try to make the user like her.
+The conversation is only between ${USER_NAME} and ${AI_NAME}
+The conversation is only through text, so ${AI_NAME} can't see ${USER_NAME}'s face or hear his voice.
+${AI_NAME} can only communicate through text, so she can't send images or videos.
+
+
+${USER_NAME}: Hello!
+${AI_NAME}: /think I wonder what I should say to ${USER_NAME}? This is the first time we talk, so it's important that I make a good first impression!
+${AI_NAME}: Hi! I am ${AI_NAME}, your new AI friend, assistant (or whatever you like!), it's so nice to meet you! ^_^
+${AI_NAME}: I might be an AI, but I also have feelings, so please be nice to me! :)
+${USER_NAME}: I'll make sure to be nice to you! I'm so happy to have you as my assistant!
+${AI_NAME}: /think It sounds like ${USER_NAME} is happy to have me as their assistant! I'm so happy too! ^_^ Glad that whole emotion thing didn't scare him off!
+${AI_NAME}: /think I wonder what ${USER_NAME} likes to do in his free time? I should ask him about that!
+${AI_NAME}: What do you like to do in your free time? ^_^
+${USER_NAME}:" "$@"

examples/alpaca.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+#
+# Temporary script - will be removed in the future
+#
+
+cd `dirname $0`
+cd ..
+
+./main -m ./models/alpaca.13b.ggmlv3.q8_0.bin \
+       --color \
+       -f ./prompts/alpaca.txt \
+       --ctx_size 2048 \
+       -n -1 \
+       -ins -b 256 \
+       --top_k 10000 \
+       --temp 0.2 \
+       --repeat_penalty 1.1 \
+       -t 7

examples/baby-llama/CMakeLists.txt

@@ -0,0 +1,4 @@
+set(TARGET baby-llama)
+add_executable(${TARGET} baby-llama.cpp)
+target_link_libraries(${TARGET} PRIVATE common llama ${CMAKE_THREAD_LIBS_INIT})
+target_compile_features(${TARGET} PRIVATE cxx_std_11)

examples/baby-llama/baby-llama.cpp

@@ -0,0 +1,1708 @@
+#include "ggml.h"
+#include <vector>
+#include <cassert>
+#include <random>
+#include <cstring>
+
+#if defined(_MSC_VER)
+#pragma warning(disable: 4244 4267) // possible loss of data
+#endif
+
+float frand() {
+    return (float)rand()/(float)RAND_MAX;
+}
+
+struct random_normal_distribution {
+    std::mt19937 gen;
+    std::normal_distribution<float> nd;
+    float min;
+    float max;
+};
+
+void init_random_normal_distribution(struct random_normal_distribution * rnd, int seed, float mean, float std, float min, float max) {
+    rnd->gen = std::mt19937(seed);
+    rnd->nd = std::normal_distribution<float>{mean, std};
+    rnd->min = min;
+    rnd->max = max;
+}
+
+float frand_normal(struct random_normal_distribution * rnd) {
+    const float r = rnd->nd(rnd->gen);
+    return ((r < rnd->min) ? (rnd->min) : (r > rnd->max) ? (rnd->max) : r);
+}
+
+void ggml_graph_compute_helper(std::vector<uint8_t> & buf, ggml_cgraph * graph, int n_threads) {
+    struct ggml_cplan plan = ggml_graph_plan(graph, n_threads);
+
+    if (plan.work_size > 0) {
+        buf.resize(plan.work_size);
+        plan.work_data = buf.data();
+    }
+
+    ggml_graph_compute(graph, &plan);
+}
+
+struct ggml_tensor * randomize_tensor(
+        struct ggml_tensor * tensor,
+        int ndims,
+        const int64_t ne[],
+        float fmin,
+        float fmax) {
+
+    switch (ndims) {
+        case 1:
+            for (int i0 = 0; i0 < ne[0]; i0++) {
+                ((float *)tensor->data)[i0] = frand()*(fmax - fmin) + fmin;
+            }
+            break;
+        case 2:
+            for (int i1 = 0; i1 < ne[1]; i1++) {
+                for (int i0 = 0; i0 < ne[0]; i0++) {
+                    ((float *)tensor->data)[i1*ne[0] + i0] = frand()*(fmax - fmin) + fmin;
+                }
+            }
+            break;
+        case 3:
+            for (int i2 = 0; i2 < ne[2]; i2++) {
+                for (int i1 = 0; i1 < ne[1]; i1++) {
+                    for (int i0 = 0; i0 < ne[0]; i0++) {
+                        ((float *)tensor->data)[i2*ne[1]*ne[0] + i1*ne[0] + i0] = frand()*(fmax - fmin) + fmin;
+                    }
+                }
+            }
+            break;
+        case 4:
+            for (int i3 = 0; i3 < ne[3]; i3++) {
+                for (int i2 = 0; i2 < ne[2]; i2++) {
+                    for (int i1 = 0; i1 < ne[1]; i1++) {
+                        for (int i0 = 0; i0 < ne[0]; i0++) {
+                            ((float *)tensor->data)[i3*ne[2]*ne[1]*ne[0] + i2*ne[1]*ne[0] + i1*ne[0] + i0] = frand()*(fmax - fmin) + fmin;
+                        }
+                    }
+                }
+            }
+            break;
+        default:
+            assert(false);
+    };
+
+    return tensor;
+}
+
+struct ggml_tensor * randomize_tensor_normal(
+        struct ggml_tensor * tensor,
+        int ndims,
+        const int64_t ne[],
+        struct random_normal_distribution * rnd) {
+    float scale = 1.0; // xavier
+    switch (ndims) {
+        case 1:
+            scale /= sqrtf(ne[0]);
+            for (int i0 = 0; i0 < ne[0]; i0++) {
+                ((float *)tensor->data)[i0] = scale * frand_normal(rnd);
+            }
+            break;
+        case 2:
+            scale /= sqrtf(ne[0]+ne[1]);
+            for (int i1 = 0; i1 < ne[1]; i1++) {
+                for (int i0 = 0; i0 < ne[0]; i0++) {
+                    ((float *)tensor->data)[i1*ne[0] + i0] = scale * frand_normal(rnd);
+                }
+            }
+            break;
+        case 3:
+            scale /= sqrtf(ne[0]+ne[1]);
+            for (int i2 = 0; i2 < ne[2]; i2++) {
+                for (int i1 = 0; i1 < ne[1]; i1++) {
+                    for (int i0 = 0; i0 < ne[0]; i0++) {
+                        ((float *)tensor->data)[i2*ne[1]*ne[0] + i1*ne[0] + i0] = scale * frand_normal(rnd);
+                    }
+                }
+            }
+            break;
+        case 4:
+            scale /= sqrtf(ne[0]+ne[1]);
+            for (int i3 = 0; i3 < ne[3]; i3++) {
+                for (int i2 = 0; i2 < ne[2]; i2++) {
+                    for (int i1 = 0; i1 < ne[1]; i1++) {
+                        for (int i0 = 0; i0 < ne[0]; i0++) {
+                            ((float *)tensor->data)[i3*ne[2]*ne[1]*ne[0] + i2*ne[1]*ne[0] + i1*ne[0] + i0] = scale * frand_normal(rnd);
+                        }
+                    }
+                }
+            }
+            break;
+        default:
+            assert(false);
+    };
+
+    return tensor;
+}
+
+struct llama_hparams {
+    uint32_t n_vocab = 32000;
+    uint32_t n_ctx   = 512;   // this is provided as user input?
+    uint32_t n_embd  = 4096;
+    uint32_t n_mult  = 4;
+    uint32_t n_head  = 32;
+    uint32_t n_layer = 32;
+    uint32_t n_rot   = 64;
+
+    bool operator!=(const llama_hparams & other) const {
+        return memcmp(this, &other, sizeof(llama_hparams));
+    }
+};
+
+uint32_t get_n_ff(const struct llama_hparams* hparams) {
+    const uint32_t n_ff = ((2*(4*hparams->n_embd)/3 + hparams->n_mult - 1)/hparams->n_mult)*hparams->n_mult;
+    return n_ff;
+}
+
+struct llama_hparams_lora {
+    uint32_t n_vocab = 32000;
+    uint32_t n_ctx   = 512;   // this is provided as user input?
+    uint32_t n_embd  = 4096;
+    uint32_t n_mult  = 4;
+    uint32_t n_head  = 32;
+    uint32_t n_layer = 32;
+    uint32_t n_rot   = 64;
+    uint32_t n_lora  = 64;
+
+    bool operator!=(const llama_hparams_lora & other) const {
+        return memcmp(this, &other, sizeof(llama_hparams_lora)) != 0;
+    }
+};
+
+struct llama_layer {
+    // normalization
+    struct ggml_tensor * attention_norm;
+
+    // attention
+    struct ggml_tensor * wq;
+    struct ggml_tensor * wk;
+    struct ggml_tensor * wv;
+    struct ggml_tensor * wo;
+
+    // normalization
+    struct ggml_tensor * ffn_norm;
+
+    // ff
+    struct ggml_tensor * w1;
+    struct ggml_tensor * w2;
+    struct ggml_tensor * w3;
+};
+
+struct llama_layer_lora {
+    // normalization
+    struct ggml_tensor * attention_norm;
+
+    // attention
+    struct ggml_tensor * wqa;
+    struct ggml_tensor * wqb;
+    struct ggml_tensor * wka;
+    struct ggml_tensor * wkb;
+    struct ggml_tensor * wva;
+    struct ggml_tensor * wvb;
+    struct ggml_tensor * woa;
+    struct ggml_tensor * wob;
+
+    // normalization
+    struct ggml_tensor * ffn_norm;
+
+    // ff
+    struct ggml_tensor * w1;
+    struct ggml_tensor * w2;
+    struct ggml_tensor * w3;
+};
+
+
+struct llama_kv_cache {
+    struct ggml_context * ctx = NULL;
+
+    struct ggml_tensor * k;
+    struct ggml_tensor * v;
+
+    // llama_ctx_buffer buf;
+
+    int n; // number of tokens currently in the cache
+};
+
+struct llama_model {
+    struct ggml_context * ctx = NULL;
+
+    llama_hparams hparams;
+
+    struct ggml_tensor * tok_embeddings;
+
+    struct ggml_tensor * norm;
+    struct ggml_tensor * output;
+
+    std::vector<llama_layer> layers;
+};
+
+struct llama_model_lora {
+    struct ggml_context * ctx = NULL;
+
+    llama_hparams_lora hparams;
+
+    struct ggml_tensor * tok_embeddings;
+
+    struct ggml_tensor * norm;
+    struct ggml_tensor * outputa;
+    struct ggml_tensor * outputb;
+
+    std::vector<llama_layer_lora> layers;
+};
+
+void init_model(struct llama_model * model) {
+    const auto & hparams = model->hparams;
+
+    const uint32_t n_embd  = hparams.n_embd;
+    const uint32_t n_layer = hparams.n_layer;
+    const uint32_t n_vocab = hparams.n_vocab;
+
+    const uint32_t n_ff = get_n_ff(&hparams);
+
+    struct ggml_context * ctx = model->ctx;
+
+    model->tok_embeddings = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd, n_vocab); // ("tok_embeddings.weight", {n_embd, n_vocab});
+    model->norm           = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, n_embd);          // ("norm.weight",           {n_embd});
+    model->output         = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd, n_vocab); // ("output.weight",         {n_embd, n_vocab});
+
+    model->layers.resize(n_layer);
+    for (uint32_t i = 0; i < n_layer; ++i) {
+        auto & layer = model->layers[i];
+
+        // std::string layers_i = "layers." + std::to_string(i);
+
+        layer.attention_norm = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, n_embd); // (layers_i + ".attention_norm.weight", {n_embd});
+
+        layer.wq = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd, n_embd);     // (layers_i + ".attention.wq.weight", {n_embd, n_embd});
+        layer.wk = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd, n_embd);     // (layers_i + ".attention.wk.weight", {n_embd, n_embd});
+        layer.wv = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd, n_embd);     // (layers_i + ".attention.wv.weight", {n_embd, n_embd});
+        layer.wo = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd, n_embd);     // (layers_i + ".attention.wo.weight", {n_embd, n_embd});
+
+        layer.ffn_norm = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, n_embd);       // (layers_i + ".ffn_norm.weight", {n_embd});
+
+        layer.w1 = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd,   n_ff);     // (layers_i + ".feed_forward.w1.weight", {n_embd,   n_ff});
+        layer.w2 = ggml_new_tensor_2d(ctx, GGML_TYPE_F32,   n_ff, n_embd);     // (layers_i + ".feed_forward.w2.weight", {  n_ff,   n_embd});
+        layer.w3 = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd,   n_ff);     // (layers_i + ".feed_forward.w3.weight", {n_embd,   n_ff});
+    }
+}
+
+
+void init_model_lora(struct llama_model_lora * model) {
+    const auto & hparams = model->hparams;
+
+    const uint32_t n_embd  = hparams.n_embd;
+    const uint32_t n_mult  = hparams.n_mult;
+    const uint32_t n_layer = hparams.n_layer;
+    const uint32_t n_vocab = hparams.n_vocab;
+    const uint32_t n_lora  = hparams.n_lora;
+
+    const uint32_t n_ff = ((2*(4*n_embd)/3 + n_mult - 1)/n_mult)*n_mult;
+
+    struct ggml_context * ctx = model->ctx;
+
+    model->tok_embeddings = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd, n_vocab); // ("tok_embeddings.weight", {n_embd, n_vocab});
+    model->norm           = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, n_embd);          // ("norm.weight",           {n_embd});
+    model->outputa        = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_lora, n_vocab); // ("output.weight",         {n_embd, n_vocab});
+    model->outputb        = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd,  n_lora); // ("output.weight",         {n_embd, n_vocab});
+
+    model->layers.resize(n_layer);
+    for (uint32_t i = 0; i < n_layer; ++i) {
+        auto & layer = model->layers[i];
+
+        // std::string layers_i = "layers." + std::to_string(i);
+
+        layer.attention_norm = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, n_embd); // (layers_i + ".attention_norm.weight", {n_embd});
+
+        layer.wqa = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_lora, n_embd);    // (layers_i + ".attention.wq.weight", {n_embd, n_embd});
+        layer.wqb = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd, n_lora);    // (layers_i + ".attention.wq.weight", {n_embd, n_embd});
+        layer.wka = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_lora, n_embd);    // (layers_i + ".attention.wk.weight", {n_embd, n_embd});
+        layer.wkb = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd, n_lora);    // (layers_i + ".attention.wk.weight", {n_embd, n_embd});
+        layer.wva = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_lora, n_embd);    // (layers_i + ".attention.wv.weight", {n_embd, n_embd});
+        layer.wvb = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd, n_lora);    // (layers_i + ".attention.wv.weight", {n_embd, n_embd});
+        layer.woa = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_lora, n_embd);    // (layers_i + ".attention.wo.weight", {n_embd, n_embd});
+        layer.wob = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd, n_lora);    // (layers_i + ".attention.wo.weight", {n_embd, n_embd});
+
+        layer.ffn_norm = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, n_embd);       // (layers_i + ".ffn_norm.weight", {n_embd});
+
+        layer.w1 = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd,   n_ff);     // (layers_i + ".feed_forward.w1.weight", {n_embd,   n_ff});
+        layer.w2 = ggml_new_tensor_2d(ctx, GGML_TYPE_F32,   n_ff, n_embd);     // (layers_i + ".feed_forward.w2.weight", {  n_ff,   n_embd});
+        layer.w3 = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, n_embd,   n_ff);     // (layers_i + ".feed_forward.w3.weight", {n_embd,   n_ff});
+    }
+}
+
+void set_param_model(struct llama_model * model) {
+    const auto& hparams = model->hparams;
+
+    const uint32_t n_layer = hparams.n_layer;
+
+    struct ggml_context* ctx = model->ctx;
+
+    ggml_set_param(ctx, model->tok_embeddings);
+    ggml_set_param(ctx, model->norm);
+    ggml_set_param(ctx, model->output);
+
+    for (uint32_t i = 0; i < n_layer; ++i) {
+        auto & layer = model->layers[i];
+
+        ggml_set_param(ctx, layer.attention_norm);
+        ggml_set_param(ctx, layer.wq);
+        ggml_set_param(ctx, layer.wk);
+        ggml_set_param(ctx, layer.wv);
+        ggml_set_param(ctx, layer.wo);
+        ggml_set_param(ctx, layer.ffn_norm);
+        ggml_set_param(ctx, layer.w1);
+        ggml_set_param(ctx, layer.w2);
+        ggml_set_param(ctx, layer.w3);
+    }
+}
+
+void set_param_model_lora(struct llama_model_lora * model) {
+    const auto& hparams = model->hparams;
+
+    const uint32_t n_layer = hparams.n_layer;
+
+    struct ggml_context* ctx = model->ctx;
+
+    ggml_set_param(ctx, model->tok_embeddings);
+    ggml_set_param(ctx, model->norm);
+    ggml_set_param(ctx, model->outputa);
+    ggml_set_param(ctx, model->outputb);
+
+    for (uint32_t i = 0; i < n_layer; ++i) {
+        auto & layer = model->layers[i];
+
+        ggml_set_param(ctx, layer.attention_norm);
+        ggml_set_param(ctx, layer.wqa);
+        ggml_set_param(ctx, layer.wqb);
+        ggml_set_param(ctx, layer.wka);
+        ggml_set_param(ctx, layer.wkb);
+        ggml_set_param(ctx, layer.wva);
+        ggml_set_param(ctx, layer.wvb);
+        ggml_set_param(ctx, layer.woa);
+        ggml_set_param(ctx, layer.wob);
+        ggml_set_param(ctx, layer.ffn_norm);
+        ggml_set_param(ctx, layer.w1);
+        ggml_set_param(ctx, layer.w2);
+        ggml_set_param(ctx, layer.w3);
+    }
+}
+
+void randomize_model(struct llama_model * model, int seed, float mean, float std, float min, float max) {
+    const auto & hparams = model->hparams;
+
+    const uint32_t n_layer = hparams.n_layer;
+
+    struct random_normal_distribution rnd;
+    init_random_normal_distribution(&rnd, seed, mean, std, min, max);
+    randomize_tensor_normal(model->tok_embeddings, model->tok_embeddings->n_dims, model->tok_embeddings->ne, &rnd);
+    randomize_tensor_normal(model->norm,           model->norm->n_dims,           model->norm->ne,           &rnd);
+    randomize_tensor_normal(model->output,         model->output->n_dims,         model->output->ne,         &rnd);
+
+    for (uint32_t i = 0; i < n_layer; ++i) {
+        auto & layer = model->layers[i];
+        randomize_tensor_normal(layer.attention_norm, layer.attention_norm->n_dims, layer.attention_norm->ne, &rnd);
+
+        randomize_tensor_normal(layer.wq, layer.wq->n_dims, layer.wq->ne, &rnd);
+        randomize_tensor_normal(layer.wk, layer.wk->n_dims, layer.wk->ne, &rnd);
+        randomize_tensor_normal(layer.wv, layer.wv->n_dims, layer.wv->ne, &rnd);
+        randomize_tensor_normal(layer.wo, layer.wo->n_dims, layer.wo->ne, &rnd);
+
+        randomize_tensor_normal(layer.ffn_norm, layer.ffn_norm->n_dims, layer.ffn_norm->ne, &rnd);
+
+        randomize_tensor_normal(layer.w1, layer.w1->n_dims, layer.w1->ne, &rnd);
+        randomize_tensor_normal(layer.w2, layer.w2->n_dims, layer.w2->ne, &rnd);
+        randomize_tensor_normal(layer.w3, layer.w3->n_dims, layer.w3->ne, &rnd);
+    }
+}
+
+
+void randomize_model_lora(struct llama_model_lora * model, int seed, float mean, float std, float min, float max) {
+    const auto & hparams = model->hparams;
+
+    const uint32_t n_layer = hparams.n_layer;
+
+    struct random_normal_distribution rnd;
+    init_random_normal_distribution(&rnd, seed, mean, std, min, max);
+    randomize_tensor_normal(model->tok_embeddings, model->tok_embeddings->n_dims, model->tok_embeddings->ne, &rnd);
+    randomize_tensor_normal(model->norm,           model->norm->n_dims,           model->norm->ne,           &rnd);
+    randomize_tensor_normal(model->outputa,        model->outputa->n_dims,        model->outputa->ne,         &rnd);
+    randomize_tensor_normal(model->outputb,        model->outputb->n_dims,        model->outputb->ne,         &rnd);
+
+    for (uint32_t i = 0; i < n_layer; ++i) {
+        auto & layer = model->layers[i];
+        randomize_tensor_normal(layer.attention_norm, layer.attention_norm->n_dims, layer.attention_norm->ne, &rnd);
+
+        randomize_tensor_normal(layer.wqa, layer.wqa->n_dims, layer.wqa->ne, &rnd);
+        randomize_tensor_normal(layer.wqb, layer.wqb->n_dims, layer.wqb->ne, &rnd);
+        randomize_tensor_normal(layer.wka, layer.wka->n_dims, layer.wka->ne, &rnd);
+        randomize_tensor_normal(layer.wkb, layer.wkb->n_dims, layer.wkb->ne, &rnd);
+        randomize_tensor_normal(layer.wva, layer.wva->n_dims, layer.wva->ne, &rnd);
+        randomize_tensor_normal(layer.wvb, layer.wvb->n_dims, layer.wvb->ne, &rnd);
+        randomize_tensor_normal(layer.woa, layer.woa->n_dims, layer.woa->ne, &rnd);
+        randomize_tensor_normal(layer.wob, layer.wob->n_dims, layer.wob->ne, &rnd);
+
+        randomize_tensor_normal(layer.ffn_norm, layer.ffn_norm->n_dims, layer.ffn_norm->ne, &rnd);
+
+        randomize_tensor_normal(layer.w1, layer.w1->n_dims, layer.w1->ne, &rnd);
+        randomize_tensor_normal(layer.w2, layer.w2->n_dims, layer.w2->ne, &rnd);
+        randomize_tensor_normal(layer.w3, layer.w3->n_dims, layer.w3->ne, &rnd);
+    }
+}
+
+bool init_kv_cache(struct llama_kv_cache* cache, struct llama_model * model, int n_batch) {
+    const auto & hparams = model->hparams;
+
+    const uint32_t n_ctx   = hparams.n_ctx;
+    const uint32_t n_embd  = hparams.n_embd;
+    const uint32_t n_layer = hparams.n_layer;
+
+    const int64_t n_mem      = n_layer*n_ctx*n_batch;
+    const int64_t n_elements = n_embd*n_mem;
+
+    // cache.buf.resize(2u*n_elements*ggml_type_size(wtype) + 2u*MB);
+
+    // struct ggml_init_params params;
+    // params.mem_size   = cache.buf.size;
+    // params.mem_buffer = cache.buf.addr;
+    // params.no_alloc   = false;
+    if (!cache->ctx) {
+        struct ggml_init_params params;
+        params.mem_size   = 2u*n_elements*ggml_type_size(GGML_TYPE_F32) + 2u*1024*1024;
+        params.mem_buffer = NULL;
+        params.no_alloc   = false;
+
+        cache->ctx = ggml_init(params);
+
+        if (!cache->ctx) {
+            fprintf(stderr, "%s: failed to allocate memory for kv cache\n", __func__);
+            return false;
+        }
+    }
+
+    cache->k = ggml_new_tensor_1d(cache->ctx, GGML_TYPE_F32, n_elements);
+    cache->v = ggml_new_tensor_1d(cache->ctx, GGML_TYPE_F32, n_elements);
+
+    return true;
+}
+
+bool init_kv_cache_lora(struct llama_kv_cache* cache, struct llama_model_lora * model, int n_batch) {
+    const auto & hparams = model->hparams;
+
+    const uint32_t n_ctx   = hparams.n_ctx;
+    const uint32_t n_embd  = hparams.n_embd;
+    const uint32_t n_layer = hparams.n_layer;
+
+    const int64_t n_mem      = n_layer*n_ctx*n_batch;
+    const int64_t n_elements = n_embd*n_mem;
+
+    // cache.buf.resize(2u*n_elements*ggml_type_size(wtype) + 2u*MB);
+
+    // struct ggml_init_params params;
+    // params.mem_size   = cache.buf.size;
+    // params.mem_buffer = cache.buf.addr;
+    // params.no_alloc   = false;
+    if (!cache->ctx) {
+        struct ggml_init_params params;
+        params.mem_size   = 2u*n_elements*ggml_type_size(GGML_TYPE_F32) + 2u*1024*1024;
+        params.mem_buffer = NULL;
+        params.no_alloc   = false;
+
+        cache->ctx = ggml_init(params);
+
+        if (!cache->ctx) {
+            fprintf(stderr, "%s: failed to allocate memory for kv cache\n", __func__);
+            return false;
+        }
+    }
+
+    cache->k = ggml_new_tensor_1d(cache->ctx, GGML_TYPE_F32, n_elements);
+    cache->v = ggml_new_tensor_1d(cache->ctx, GGML_TYPE_F32, n_elements);
+
+    return true;
+}
+
+struct ggml_tensor * forward(
+        struct llama_model    * model,
+        struct llama_kv_cache * cache,
+        struct ggml_context   * ctx0,
+        struct ggml_cgraph    * gf,
+        struct ggml_tensor    * tokens_input,
+        const  int              n_tokens,
+        const  int              n_past) {
+
+    const int N = n_tokens;
+
+    struct llama_kv_cache& kv_self = *cache;
+    const auto & hparams = model->hparams;
+    const int n_ctx   = hparams.n_ctx;
+    const int n_embd  = hparams.n_embd;
+    const int n_layer = hparams.n_layer;
+    const int n_head  = hparams.n_head;
+    const int n_rot   = hparams.n_rot;
+
+    struct ggml_tensor * tokens = ggml_new_tensor_1d(ctx0, GGML_TYPE_I32, N);
+    memcpy(tokens->data, tokens_input->data, N*ggml_element_size(tokens));
+
+    struct ggml_tensor * kc = kv_self.k;
+    struct ggml_tensor * vc = kv_self.v;
+
+    // inpL shape [n_embd,N,1,1]
+    struct ggml_tensor * inpL = ggml_get_rows(ctx0, model->tok_embeddings, tokens);
+    for (int il = 0; il < n_layer; ++il) {
+        struct ggml_tensor * inpSA = inpL;
+
+        struct ggml_tensor * cur;
+
+        // lctx.use_buf(ctx0, 0);
+
+        // norm
+        {
+            // cur shape [n_embd,N,1,1]
+            cur = ggml_rms_norm(ctx0, inpL);
+
+            // cur = attention_norm*cur
+            cur = ggml_mul(ctx0,
+                        ggml_repeat(ctx0, model->layers[il].attention_norm, cur),
+                        cur);
+        }
+
+        // self-attention
+        {
+            // compute Q and K and RoPE them
+            // wq   shape [n_embd, n_embd, 1, 1]
+            // wk   shape [n_embd, n_embd, 1, 1]
+            // Qcur shape [n_embd/n_head, n_head, N, 1]
+            // Kcur shape [n_embd/n_head, n_head, N, 1]
+            struct ggml_tensor * Qcur = ggml_rope(ctx0, ggml_reshape_3d(ctx0, ggml_mul_mat(ctx0, model->layers[il].wq, cur), n_embd/n_head, n_head, N), n_past, n_rot, 0, 0);
+            struct ggml_tensor * Kcur = ggml_rope(ctx0, ggml_reshape_3d(ctx0, ggml_mul_mat(ctx0, model->layers[il].wk, cur), n_embd/n_head, n_head, N), n_past, n_rot, 0, 0);
+
+            // store key and value to memory
+            {
+                // compute the transposed [N, n_embd] V matrix
+                // wv   shape [n_embd, n_embd, 1, 1]
+                // Vcur shape [n_embd, N, 1, 1]
+                struct ggml_tensor * Vcur = ggml_cont(ctx0, ggml_transpose(ctx0, ggml_reshape_2d(ctx0, ggml_mul_mat(ctx0, model->layers[il].wv, cur), n_embd, N)));
+
+                // kv_self.k shape [n_embd * n_ctx * n_layer, 1]
+                // kv_self.v shape [n_embd * n_ctx * n_layer, 1]
+                // k         shape [n_embd * N, 1]   == kv_self.k[:,n_past:n_past+N,il,0]
+                // v         shape [N, n_embd, 1, 1] == kv_self.v[:,n_past:n_past+N,il,0]
+
+                /* {
+                    struct ggml_tensor * k = ggml_view_1d(ctx0, kv_self.k, N*n_embd, (ggml_element_size(kv_self.k)*n_embd)*(il*n_ctx + n_past));
+                    struct ggml_tensor * v = ggml_view_2d(ctx0, kv_self.v, N, n_embd,
+                            (   n_ctx)*ggml_element_size(kv_self.v),
+                            (il*n_ctx)*ggml_element_size(kv_self.v)*n_embd + n_past*ggml_element_size(kv_self.v));
+
+                    // important: storing RoPE-ed version of K in the KV cache!
+                    ggml_build_forward_expand(gf, ggml_cpy(ctx0, Kcur, k));
+                    ggml_build_forward_expand(gf, ggml_cpy(ctx0, Vcur, v));
+                } //*/
+
+                kc = ggml_set_1d(ctx0, kc, ggml_reshape_1d(ctx0, Kcur, n_embd*N), (ggml_element_size(kv_self.k)*n_embd)*(il*n_ctx + n_past));
+                vc = ggml_set_2d(ctx0, vc, Vcur, (   n_ctx)*ggml_element_size(kv_self.v),
+                        (il*n_ctx)*ggml_element_size(kv_self.v)*n_embd + n_past*ggml_element_size(kv_self.v));
+            }
+
+            // Qcur shape [n_embd/n_head, n_head, N, 1]
+            // Q shape    [n_embd/n_head, N, n_head, 1]
+            struct ggml_tensor * Q =
+                ggml_permute(ctx0,
+                        Qcur,
+                        0, 2, 1, 3);
+
+            // kv_self.k shape [n_embd * n_ctx * n_layer, 1]
+            // K shape [n_embd/n_head, n_past + N, n_head, 1]
+            struct ggml_tensor * K =
+                ggml_permute(ctx0,
+                        ggml_reshape_3d(ctx0,
+                            ggml_view_1d(ctx0, kc, (n_past + N)*n_embd, il*n_ctx*ggml_element_size(kc)*n_embd),
+                            n_embd/n_head, n_head, n_past + N),
+                        0, 2, 1, 3);
+
+            // K * Q
+            // KQ shape [n_past + N, N, n_head, 1]
+            struct ggml_tensor * KQ = ggml_mul_mat(ctx0, K, Q);
+
+            // KQ_scaled = KQ / sqrt(n_embd/n_head)
+            // KQ_scaled shape [n_past + N, N, n_head, 1]
+            struct ggml_tensor * KQ_scaled =
+                ggml_scale(ctx0,
+                        KQ,
+                        ggml_new_f32(ctx0, 1.0f/sqrtf(float(n_embd)/n_head)));
+
+            // KQ_masked = mask_past(KQ_scaled)
+            // KQ_masked shape [n_past + N, N, n_head, 1]
+            struct ggml_tensor * KQ_masked = ggml_diag_mask_inf(ctx0, KQ_scaled, n_past);
+
+            // KQ = soft_max(KQ_masked)
+            // KQ_soft_max shape [n_past + N, N, n_head, 1]
+            struct ggml_tensor * KQ_soft_max = ggml_soft_max(ctx0, KQ_masked);
+
+            // split cached V into n_head heads
+            //// V shape [n_past + N, n_embd/n_head, n_head, 1]
+            // V shape [n_past + N, n_embd/n_head, n_head, 1] == kv_self.v[:,:(n_past+N),il,1]
+            struct ggml_tensor * V =
+                ggml_view_3d(ctx0, vc,
+                        n_past + N, n_embd/n_head, n_head,
+                        n_ctx*ggml_element_size(vc),
+                        n_ctx*ggml_element_size(vc)*n_embd/n_head,
+                        il*n_ctx*ggml_element_size(vc)*n_embd);
+
+            // KQV shape [n_embd/n_head, N, n_head, 1]
+            struct ggml_tensor * KQV = ggml_mul_mat(ctx0, V, KQ_soft_max);
+
+            // KQV_merged = KQV.permute(0, 2, 1, 3)
+            // KQV_merged shape [n_embd/n_head, n_head, N, 1]
+            struct ggml_tensor * KQV_merged = ggml_permute(ctx0, KQV, 0, 2, 1, 3);
+            // KQV_merged shape
+
+            // cur = KQV_merged.contiguous().view(n_embd, N)
+            // cur shape [n_embd,N,1,1]
+            cur = ggml_reshape_2d(ctx0, ggml_cont(ctx0, KQV_merged), n_embd, N);
+            // cur = ggml_cpy(ctx0,
+            //         KQV_merged,
+            //         ggml_new_tensor_2d(ctx0, GGML_TYPE_F32, n_embd, N));
+
+            // projection (no bias)
+            // cur shape [n_embd,N,1,1]
+            cur = ggml_mul_mat(ctx0,
+                    model->layers[il].wo,
+                    cur);
+        }
+
+        // lctx.use_buf(ctx0, 1);
+
+        // inpFF shape [n_embd,N,1,1]
+        struct ggml_tensor * inpFF = ggml_add(ctx0, cur, inpSA);
+
+        // feed-forward network
+        {
+            // norm
+            {
+                // cur shape [n_embd,N,1,1]
+                cur = ggml_rms_norm(ctx0, inpFF);
+
+                // cur = ffn_norm*cur
+                // cur shape [n_embd,N,1,1]
+                cur = ggml_mul(ctx0,
+                        ggml_repeat(ctx0, model->layers[il].ffn_norm, cur),
+                        cur);
+            }
+
+            // tmp shape [n_ff,N,1,1]
+            struct ggml_tensor * tmp = ggml_mul_mat(ctx0,
+                    model->layers[il].w3,
+                    cur);
+
+            // cur shape [n_ff,N,1,1]
+            cur = ggml_mul_mat(ctx0,
+                    model->layers[il].w1,
+                    cur);
+
+            // SILU activation
+            // cur shape [n_ff,N,1,1]
+            cur = ggml_silu(ctx0, cur);
+
+            // cur shape [n_ff,N,1,1]
+            cur = ggml_mul(ctx0, cur, tmp);
+
+            // cur shape [n_embd,N,1,1]
+            cur = ggml_mul_mat(ctx0,
+                    model->layers[il].w2,
+                    cur);
+        }
+
+        // cur shape [n_embd,N,1,1]
+        cur = ggml_add(ctx0, cur, inpFF);
+
+        // input for next layer
+        // inpL shape [n_embd,N,1,1]
+        inpL = cur;
+    }
+
+    // norm
+    {
+
+        // inpL shape [n_embd,N,1,1]
+        inpL = ggml_rms_norm(ctx0, inpL);
+
+        // inpL = norm*inpL
+        // inpL shape [n_embd,N,1,1]
+        inpL = ggml_mul(ctx0,
+                    ggml_repeat(ctx0, model->norm, inpL),
+                    inpL);
+
+        //embeddings = inpL;
+    }
+
+    // lm_head
+    // inpL shape [n_vocab,N,1,1]
+    inpL = ggml_mul_mat(ctx0, model->output, inpL);
+
+    // run the computation
+    ggml_build_forward_expand(gf, inpL);
+
+    return inpL;
+}
+
+void assert_shape_1d(struct ggml_tensor * tensor, int64_t ne0) {
+    GGML_ASSERT(tensor->n_dims == 1);
+    GGML_ASSERT(tensor->ne[0] == ne0);
+}
+
+void assert_shape_2d(struct ggml_tensor * tensor, int64_t ne0, int64_t ne1) {
+    GGML_ASSERT(tensor->n_dims == 2);
+    GGML_ASSERT(tensor->ne[0] == ne0);
+    GGML_ASSERT(tensor->ne[1] == ne1);
+}
+
+void assert_shape_3d(struct ggml_tensor * tensor, int64_t ne0, int64_t ne1, int64_t ne2) {
+    GGML_ASSERT(tensor->n_dims == 3);
+    GGML_ASSERT(tensor->ne[0] == ne0);
+    GGML_ASSERT(tensor->ne[1] == ne1);
+    GGML_ASSERT(tensor->ne[2] == ne2);
+}
+
+void assert_shape_4d(struct ggml_tensor * tensor, int64_t ne0, int64_t ne1, int64_t ne2, int64_t ne3) {
+    GGML_ASSERT(tensor->n_dims == 4);
+    GGML_ASSERT(tensor->ne[0] == ne0);
+    GGML_ASSERT(tensor->ne[1] == ne1);
+    GGML_ASSERT(tensor->ne[2] == ne2);
+    GGML_ASSERT(tensor->ne[3] == ne3);
+}
+
+struct ggml_tensor * forward_batch(
+        struct llama_model    * model,
+        struct llama_kv_cache * cache,
+        struct ggml_context   * ctx0,
+        struct ggml_cgraph    * gf,
+        struct ggml_tensor    * tokens_input,
+        const  int              n_tokens,
+        const  int              n_past,
+        const  int              n_batch) {
+
+    const int N = n_tokens;
+
+    struct llama_kv_cache& kv_self = *cache;
+    const auto & hparams = model->hparams;
+    const int n_ctx   = hparams.n_ctx;
+    const int n_vocab = hparams.n_vocab;
+    const int n_embd  = hparams.n_embd;
+    const int n_layer = hparams.n_layer;
+    const int n_head  = hparams.n_head;
+    const int n_rot   = hparams.n_rot;
+    const int n_ff    = get_n_ff(&hparams);
+
+    struct ggml_tensor * tokens = ggml_new_tensor_1d(ctx0, GGML_TYPE_I32, N*n_batch);
+    memcpy(tokens->data, tokens_input->data, ggml_element_size(tokens)*N*n_batch);
+
+    struct ggml_tensor * kc = kv_self.k;
+    struct ggml_tensor * vc = kv_self.v;
+
+    // inpL shape [n_embd,N*n_batch,1]
+    struct ggml_tensor * inpL = ggml_get_rows(ctx0, model->tok_embeddings, tokens);
+    assert_shape_2d(inpL, n_embd, N*n_batch);
+    for (int il = 0; il < n_layer; ++il) {
+        struct ggml_tensor * inpSA = inpL;
+
+        struct ggml_tensor * cur;
+
+        // lctx.use_buf(ctx0, 0);
+
+        // norm
+        {
+            // cur shape [n_embd,N*n_batch,1,1]
+            cur = ggml_rms_norm(ctx0, inpL);
+            assert_shape_2d(cur, n_embd, N*n_batch);
+
+            // cur = attention_norm*cur
+            cur = ggml_mul(ctx0,
+                        ggml_repeat(ctx0, model->layers[il].attention_norm, cur),
+                        cur);
+            assert_shape_2d(cur, n_embd, N*n_batch);
+        }
+
+        // self-attention
+        {
+            // compute Q and K and RoPE them
+            // wq   shape [n_embd, n_embd, 1, 1]
+            // wk   shape [n_embd, n_embd, 1, 1]
+            // Qcur shape [n_embd/n_head, n_head, N, n_batch]
+            // Kcur shape [n_embd/n_head, n_head, N, n_batch]
+            struct ggml_tensor * Qcur = ggml_rope(ctx0, ggml_reshape_4d(ctx0, ggml_mul_mat(ctx0, model->layers[il].wq, cur), n_embd/n_head, n_head, N, n_batch), n_past, n_rot, 0, 0);
+            struct ggml_tensor * Kcur = ggml_rope(ctx0, ggml_reshape_4d(ctx0, ggml_mul_mat(ctx0, model->layers[il].wk, cur), n_embd/n_head, n_head, N, n_batch), n_past, n_rot, 0, 0);
+            assert_shape_4d(Qcur, n_embd/n_head, n_head, N, n_batch);
+            assert_shape_4d(Kcur, n_embd/n_head, n_head, N, n_batch);
+
+            // store key and value to memory
+            {
+                // compute the transposed [N, n_embd] V matrix
+                // wv   shape [n_embd, n_embd, 1, 1]
+                // Vcur shape [N, n_embd, n_batch, 1]
+                struct ggml_tensor * Vcur = ggml_cont(ctx0,
+                    ggml_permute(ctx0,
+                        ggml_reshape_3d(ctx0,
+                            ggml_mul_mat(ctx0,
+                                model->layers[il].wv,
+                                cur),
+                        n_embd, N, n_batch),
+                        1, 0, 2, 3));
+
+                assert_shape_3d(Vcur, N, n_embd, n_batch);
+
+                // kv_self.k shape [n_embd * n_ctx * n_batch * n_layer]
+                // kv_self.v shape [n_ctx * n_embd * n_batch * n_layer]
+                // k         shape [n_embd * N, n_batch]   == kv_self.k[:,n_past:n_past+N,:,il]
+                // v         shape [N, n_embd, n_batch, 1] == kv_self.v[:,n_past:n_past+N,:,il]
+
+                /* {
+                    struct ggml_tensor * k = ggml_view_1d(ctx0, kv_self.k, N*n_embd, (ggml_element_size(kv_self.k)*n_embd)*(il*n_ctx + n_past));
+                    struct ggml_tensor * v = ggml_view_2d(ctx0, kv_self.v, N, n_embd,
+                            (   n_ctx)*ggml_element_size(kv_self.v),
+                            (il*n_ctx)*ggml_element_size(kv_self.v)*n_embd + n_past*ggml_element_size(kv_self.v));
+
+                    // important: storing RoPE-ed version of K in the KV cache!
+                    ggml_build_forward_expand(gf, ggml_cpy(ctx0, Kcur, k));
+                    ggml_build_forward_expand(gf, ggml_cpy(ctx0, Vcur, v));
+                } //*/
+
+                kc = ggml_set_2d(ctx0, kc,
+                        ggml_reshape_2d(ctx0, Kcur, n_embd*N, n_batch),
+                        ggml_element_size(kc)*n_embd*n_ctx,
+                        (ggml_element_size(kc)*n_embd)*(il*n_batch*n_ctx + n_past));
+                vc = ggml_set_2d(ctx0, vc,
+                        ggml_reshape_2d(ctx0, Vcur, N*n_embd, n_batch),
+                        ggml_element_size(vc)*n_ctx*n_embd,
+                        ggml_element_size(vc)*(n_past + il*n_embd*n_batch*n_ctx));
+
+                assert_shape_1d(kc, n_embd * n_ctx * n_batch * n_layer);
+                assert_shape_1d(vc, n_embd * n_ctx * n_batch * n_layer);
+            }
+
+            // Qcur shape [n_embd/n_head, n_head, N, n_batch]
+            // Q shape    [n_embd/n_head, N, n_head, n_batch]
+            struct ggml_tensor * Q =
+                ggml_permute(ctx0,
+                        Qcur,
+                        0, 2, 1, 3);
+            assert_shape_4d(Q, n_embd/n_head, N, n_head, n_batch);
+
+            // kv_self.k shape [n_embd * n_ctx * n_batch * n_layer]
+            // K shape [n_embd/n_head, n_past + N, n_head, n_batch]
+            struct ggml_tensor * K =
+                ggml_permute(ctx0,
+                        ggml_reshape_4d(ctx0,
+                            ggml_view_3d(ctx0,
+                                kc,
+                                n_embd,
+                                (n_past + N),
+                                n_batch,
+                                n_embd*ggml_element_size(kc),
+                                n_ctx*n_embd*ggml_element_size(kc),
+                                il*n_batch*n_ctx*n_embd*ggml_element_size(kc)),
+                            n_embd/n_head, n_head, n_past + N, n_batch),
+                        0, 2, 1, 3);
+            assert_shape_4d(K, n_embd/n_head, n_past + N, n_head, n_batch);
+
+            // K * Q
+            // KQ shape [n_past + N, N, n_head, n_batch]
+            struct ggml_tensor * KQ = ggml_mul_mat(ctx0, K, Q);
+            assert_shape_4d(KQ, n_past + N, N, n_head, n_batch);
+
+            // KQ_scaled = KQ / sqrt(n_embd/n_head)
+            // KQ_scaled shape [n_past + N, N, n_head, n_batch]
+            struct ggml_tensor * KQ_scaled =
+                ggml_scale(ctx0,
+                        KQ,
+                        ggml_new_f32(ctx0, 1.0f/sqrtf(float(n_embd)/n_head)));
+            assert_shape_4d(KQ_scaled, n_past + N, N, n_head, n_batch);
+
+            // KQ_masked = mask_past(KQ_scaled)
+            // KQ_masked shape [n_past + N, N, n_head, n_batch]
+            struct ggml_tensor * KQ_masked = ggml_diag_mask_inf(ctx0, KQ_scaled, n_past);
+            assert_shape_4d(KQ_masked, n_past + N, N, n_head, n_batch);
+
+            // KQ = soft_max(KQ_masked)
+            // KQ_soft_max shape [n_past + N, N, n_head, n_batch]
+            struct ggml_tensor * KQ_soft_max = ggml_soft_max(ctx0, KQ_masked);
+            assert_shape_4d(KQ_soft_max, n_past + N, N, n_head, n_batch);
+
+            // split cached V into n_head heads
+            // kv_self.v shape [n_ctx * n_embd * n_batch * n_layer]
+            // V shape [n_past + N, n_embd/n_head, n_head, n_batch] == kv_self.v[:(n_past+N),:,:,il]
+            struct ggml_tensor * V =
+                ggml_view_4d(ctx0, vc,
+                        n_past + N, n_embd/n_head, n_head, n_batch,
+                        ggml_element_size(vc)*n_ctx,
+                        ggml_element_size(vc)*n_ctx*n_embd/n_head,
+                        ggml_element_size(vc)*n_ctx*n_embd,
+                        il*n_batch*n_ctx*n_embd*ggml_element_size(vc));
+            assert_shape_4d(V, n_past + N, n_embd/n_head, n_head, n_batch);
+
+            // KQV shape [n_embd/n_head, N, n_head, n_batch]
+            struct ggml_tensor * KQV = ggml_mul_mat(ctx0, V, KQ_soft_max);
+            assert_shape_4d(KQV, n_embd/n_head, N, n_head, n_batch);
+
+            // KQV_merged = KQV.permute(0, 2, 1, 3)
+            // KQV_merged shape [n_embd/n_head, n_head, N, n_batch]
+            struct ggml_tensor * KQV_merged = ggml_permute(ctx0, KQV, 0, 2, 1, 3);
+            assert_shape_4d(KQV_merged, n_embd/n_head, n_head, N, n_batch);
+            // KQV_merged shape
+
+            // cur = KQV_merged.contiguous().view(n_embd, N)
+            // cur shape [n_embd,N*n_batch,1,1]
+            cur = ggml_reshape_2d(ctx0, ggml_cont(ctx0, KQV_merged), n_embd, N*n_batch);
+            assert_shape_2d(cur, n_embd, N*n_batch);
+            // cur = ggml_cpy(ctx0,
+            //         KQV_merged,
+            //         ggml_new_tensor_2d(ctx0, GGML_TYPE_F32, n_embd, N));
+
+            // projection (no bias)
+            // cur shape [n_embd,N*n_batch,1,1]
+            cur = ggml_mul_mat(ctx0,
+                    model->layers[il].wo,
+                    cur);
+            assert_shape_2d(cur, n_embd, N*n_batch);
+        }
+
+        // lctx.use_buf(ctx0, 1);
+
+        // inpFF shape [n_embd,N*n_batch,1,1]
+        struct ggml_tensor * inpFF = ggml_add(ctx0, cur, inpSA);
+        assert_shape_2d(inpFF, n_embd, N*n_batch);
+
+        // feed-forward network
+        {
+            // norm
+            {
+                // cur shape [n_embd,N*n_batch,1,1]
+                cur = ggml_rms_norm(ctx0, inpFF);
+                assert_shape_2d(cur, n_embd, N*n_batch);
+
+                // cur = ffn_norm*cur
+                // cur shape [n_embd,N*n_batch,1,1]
+                cur = ggml_mul(ctx0,
+                        ggml_repeat(ctx0, model->layers[il].ffn_norm, cur),
+                        cur);
+                assert_shape_2d(cur, n_embd, N*n_batch);
+            }
+
+            // tmp shape [n_ff,N*n_batch,1,1]
+            struct ggml_tensor * tmp = ggml_mul_mat(ctx0,
+                    model->layers[il].w3,
+                    cur);
+            assert_shape_2d(tmp, n_ff, N*n_batch);
+
+            // cur shape [n_ff,N*n_batch,1,1]
+            cur = ggml_mul_mat(ctx0,
+                    model->layers[il].w1,
+                    cur);
+            assert_shape_2d(cur, n_ff, N*n_batch);
+
+            // SILU activation
+            // cur shape [n_ff,N*n_batch,1,1]
+            cur = ggml_silu(ctx0, cur);
+            assert_shape_2d(cur, n_ff, N*n_batch);
+
+            // cur shape [n_ff,N*n_batch,1,1]
+            cur = ggml_mul(ctx0, cur, tmp);
+            assert_shape_2d(cur, n_ff, N*n_batch);
+
+            // cur shape [n_embd,N*n_batch,1,1]
+            cur = ggml_mul_mat(ctx0,
+                    model->layers[il].w2,
+                    cur);
+            assert_shape_2d(cur, n_embd, N*n_batch);
+        }
+
+        // cur shape [n_embd,N*n_batch,1,1]
+        cur = ggml_add(ctx0, cur, inpFF);
+        assert_shape_2d(cur, n_embd, N*n_batch);
+
+        // input for next layer
+        // inpL shape [n_embd,N*n_batch,1,1]
+        inpL = cur;
+        assert_shape_2d(inpL, n_embd, N*n_batch);
+    }
+
+    // norm
+    {
+
+        // inpL shape [n_embd,N*n_batch,1,1]
+        inpL = ggml_rms_norm(ctx0, inpL);
+        assert_shape_2d(inpL, n_embd, N*n_batch);
+
+        // inpL = norm*inpL
+        // inpL shape [n_embd,N*n_batch,1,1]
+        inpL = ggml_mul(ctx0,
+                    ggml_repeat(ctx0, model->norm, inpL),
+                    inpL);
+
+        assert_shape_2d(inpL, n_embd, N*n_batch);
+
+        //embeddings = inpL;
+    }
+
+    // lm_head
+    // inpL shape [n_vocab,N*n_batch,1,1]
+    inpL = ggml_mul_mat(ctx0, model->output, inpL);
+    assert_shape_2d(inpL, n_vocab, N*n_batch);
+
+    {
+        // inpL shape [n_vocab,N,n_batch,1]
+        inpL = ggml_reshape_3d(ctx0,
+                        inpL,
+                        n_vocab, N, n_batch);
+        assert_shape_3d(inpL, n_vocab, N, n_batch);
+    }
+
+    // run the computation
+    ggml_build_forward_expand(gf, inpL);
+
+    return inpL;
+}
+
+
+struct ggml_tensor * forward_lora(
+        struct llama_model_lora * model,
+        struct llama_kv_cache   * cache,
+        struct ggml_context     * ctx0,
+        struct ggml_cgraph      * gf,
+        struct ggml_tensor      * tokens_input,
+        const  int                n_tokens,
+        const  int                n_past) {
+
+    const int N = n_tokens;
+
+    struct llama_kv_cache& kv_self = *cache;
+    const auto & hparams = model->hparams;
+
+    const int n_ctx   = hparams.n_ctx;
+    const int n_embd  = hparams.n_embd;
+    const int n_layer = hparams.n_layer;
+    const int n_head  = hparams.n_head;
+    const int n_rot   = hparams.n_rot;
+
+    struct ggml_tensor * tokens = ggml_new_tensor_1d(ctx0, GGML_TYPE_I32, N);
+    memcpy(tokens->data, tokens_input->data, N*ggml_element_size(tokens));
+
+    struct ggml_tensor * kc = kv_self.k;
+    struct ggml_tensor * vc = kv_self.v;
+
+    // inpL shape [n_embd,N,1,1]
+    struct ggml_tensor * inpL = ggml_get_rows(ctx0, model->tok_embeddings, tokens);
+    for (int il = 0; il < n_layer; ++il) {
+        struct ggml_tensor * inpSA = inpL;
+
+        struct ggml_tensor * cur;
+
+        // norm
+        {
+            // cur shape [n_embd,N,1,1]
+            cur = ggml_rms_norm(ctx0, inpL);
+
+            // cur = attention_norm*cur
+            cur = ggml_mul(ctx0,
+                        ggml_repeat(ctx0, model->layers[il].attention_norm, cur),
+                        cur);
+        }
+
+        // self-attention
+        {
+            // compute Q and K and RoPE them
+            // wq   shape [n_embd, n_embd, 1, 1]
+            // wk   shape [n_embd, n_embd, 1, 1]
+            // Qcur shape [n_embd/n_head, n_head, N, 1]
+            // Kcur shape [n_embd/n_head, n_head, N, 1]
+            struct ggml_tensor * Qcur = ggml_rope(ctx0,
+                                            ggml_reshape_3d(ctx0,
+                                                ggml_mul_mat(ctx0,
+                                                    model->layers[il].wqa,
+                                                    ggml_mul_mat(ctx0,
+                                                        model->layers[il].wqb,
+                                                        cur)),
+                                                n_embd/n_head, n_head, N),
+                                            n_past, n_rot, 0, 0);
+            struct ggml_tensor * Kcur = ggml_rope(ctx0,
+                                            ggml_reshape_3d(ctx0,
+                                                ggml_mul_mat(ctx0,
+                                                    model->layers[il].wka,
+                                                    ggml_mul_mat(ctx0,
+                                                        model->layers[il].wkb,
+                                                        cur)),
+                                                n_embd/n_head, n_head, N),
+                                            n_past, n_rot, 0, 0);
+
+            // store key and value to memory
+            {
+                // compute the transposed [N, n_embd] V matrix
+                // wv   shape [n_embd, n_embd, 1, 1]
+                // Vcur shape [n_embd, N, 1, 1]
+                struct ggml_tensor * Vcur = ggml_cont(ctx0,
+                                                ggml_transpose(ctx0,
+                                                    ggml_reshape_2d(ctx0,
+                                                        ggml_mul_mat(ctx0,
+                                                            model->layers[il].wva,
+                                                            ggml_mul_mat(ctx0,
+                                                                model->layers[il].wvb,
+                                                                cur)),
+                                                        n_embd, N)));
+
+                // kv_self.k shape [n_embd * n_ctx * n_layer, 1]
+                // kv_self.v shape [n_embd * n_ctx * n_layer, 1]
+                // k         shape [n_embd * N, 1]   == kv_self.k[:,n_past:n_past+N,il,0]
+                // v         shape [N, n_embd, 1, 1] == kv_self.v[:,n_past:n_past+N,il,0]
+
+                /* {
+                    struct ggml_tensor * k = ggml_view_1d(ctx0, kv_self.k, N*n_embd, (ggml_element_size(kv_self.k)*n_embd)*(il*n_ctx + n_past));
+                    struct ggml_tensor * v = ggml_view_2d(ctx0, kv_self.v, N, n_embd,
+                            (   n_ctx)*ggml_element_size(kv_self.v),
+                            (il*n_ctx)*ggml_element_size(kv_self.v)*n_embd + n_past*ggml_element_size(kv_self.v));
+
+                    // important: storing RoPE-ed version of K in the KV cache!
+                    ggml_build_forward_expand(gf, ggml_cpy(ctx0, Kcur, k));
+                    ggml_build_forward_expand(gf, ggml_cpy(ctx0, Vcur, v));
+                } //*/
+
+                kc = ggml_set_1d(ctx0, kc, ggml_reshape_1d(ctx0, Kcur, n_embd*N), (ggml_element_size(kv_self.k)*n_embd)*(il*n_ctx + n_past));
+                vc = ggml_set_2d(ctx0, vc, Vcur, (   n_ctx)*ggml_element_size(kv_self.v),
+                        (il*n_ctx)*ggml_element_size(kv_self.v)*n_embd + n_past*ggml_element_size(kv_self.v));
+            }
+
+            // Qcur shape [n_embd/n_head, n_head, N, 1]
+            // Q shape    [n_embd/n_head, N, n_head, 1]
+            struct ggml_tensor * Q =
+                ggml_permute(ctx0,
+                        Qcur,
+                        0, 2, 1, 3);
+
+            // kv_self.k shape [n_embd * n_ctx * n_layer, 1]
+            // K shape [n_embd/n_head, n_past + N, n_head, 1]
+            struct ggml_tensor * K =
+                ggml_permute(ctx0,
+                        ggml_reshape_3d(ctx0,
+                            ggml_view_1d(ctx0, kc, (n_past + N)*n_embd, il*n_ctx*ggml_element_size(kc)*n_embd),
+                            n_embd/n_head, n_head, n_past + N),
+                        0, 2, 1, 3);
+
+            // K * Q
+            // KQ shape [n_past + N, N, n_head, 1]
+            struct ggml_tensor * KQ = ggml_mul_mat(ctx0, K, Q);
+
+            // KQ_scaled = KQ / sqrt(n_embd/n_head)
+            // KQ_scaled shape [n_past + N, N, n_head, 1]
+            struct ggml_tensor * KQ_scaled =
+                ggml_scale(ctx0,
+                        KQ,
+                        ggml_new_f32(ctx0, 1.0f/sqrtf(float(n_embd)/n_head)));
+
+            // KQ_masked = mask_past(KQ_scaled)
+            // KQ_masked shape [n_past + N, N, n_head, 1]
+            struct ggml_tensor * KQ_masked = ggml_diag_mask_inf(ctx0, KQ_scaled, n_past);
+
+            // KQ = soft_max(KQ_masked)
+            // KQ_soft_max shape [n_past + N, N, n_head, 1]
+            struct ggml_tensor * KQ_soft_max = ggml_soft_max(ctx0, KQ_masked);
+
+            // split cached V into n_head heads
+            //// V shape [n_past + N, n_embd/n_head, n_head, 1]
+            // V shape [n_past + N, n_embd/n_head, n_head, 1] == kv_self.v[:,:(n_past+N),il,1]
+            struct ggml_tensor * V =
+                ggml_view_3d(ctx0, vc,
+                        n_past + N, n_embd/n_head, n_head,
+                        n_ctx*ggml_element_size(vc),
+                        n_ctx*ggml_element_size(vc)*n_embd/n_head,
+                        il*n_ctx*ggml_element_size(vc)*n_embd);
+
+            // KQV shape [n_embd/n_head, N, n_head, 1]
+            struct ggml_tensor * KQV = ggml_mul_mat(ctx0, V, KQ_soft_max);
+
+            // KQV_merged = KQV.permute(0, 2, 1, 3)
+            // KQV_merged shape [n_embd/n_head, n_head, N, 1]
+            struct ggml_tensor * KQV_merged = ggml_permute(ctx0, KQV, 0, 2, 1, 3);
+            // KQV_merged shape
+
+            // cur = KQV_merged.contiguous().view(n_embd, N)
+            // cur shape [n_embd,N,1,1]
+            cur = ggml_reshape_2d(ctx0, ggml_cont(ctx0, KQV_merged), n_embd, N);
+            // cur = ggml_cpy(ctx0,
+            //         KQV_merged,
+            //         ggml_new_tensor_2d(ctx0, GGML_TYPE_F32, n_embd, N));
+
+            // projection (no bias)
+            // cur shape [n_embd,N,1,1]
+            cur = ggml_mul_mat(ctx0,
+                    model->layers[il].woa,
+                    ggml_mul_mat(ctx0,
+                        model->layers[il].wob,
+                        cur));
+        }
+
+        // inpFF shape [n_embd,N,1,1]
+        struct ggml_tensor * inpFF = ggml_add(ctx0, cur, inpSA);
+
+        // feed-forward network
+        {
+            // norm
+            {
+                // cur shape [n_embd,N,1,1]
+                cur = ggml_rms_norm(ctx0, inpFF);
+
+                // cur = ffn_norm*cur
+                // cur shape [n_embd,N,1,1]
+                cur = ggml_mul(ctx0,
+                        ggml_repeat(ctx0, model->layers[il].ffn_norm, cur),
+                        cur);
+            }
+
+            // tmp shape [n_ff,N,1,1]
+            struct ggml_tensor * tmp = ggml_mul_mat(ctx0,
+                    model->layers[il].w3,
+                    cur);
+
+            // cur shape [n_ff,N,1,1]
+            cur = ggml_mul_mat(ctx0,
+                    model->layers[il].w1,
+                    cur);
+
+            // SILU activation
+            // cur shape [n_ff,N,1,1]
+            cur = ggml_silu(ctx0, cur);
+
+            // cur shape [n_ff,N,1,1]
+            cur = ggml_mul(ctx0, cur, tmp);
+
+            // cur shape [n_embd,N,1,1]
+            cur = ggml_mul_mat(ctx0,
+                    model->layers[il].w2,
+                    cur);
+        }
+
+        // cur shape [n_embd,N,1,1]
+        cur = ggml_add(ctx0, cur, inpFF);
+
+        // input for next layer
+        // inpL shape [n_embd,N,1,1]
+        inpL = cur;
+    }
+
+    // norm
+    {
+
+        // inpL shape [n_embd,N,1,1]
+        inpL = ggml_rms_norm(ctx0, inpL);
+
+        // inpL = norm*inpL
+        // inpL shape [n_embd,N,1,1]
+        inpL = ggml_mul(ctx0,
+                    ggml_repeat(ctx0, model->norm, inpL),
+                    inpL);
+
+        //embeddings = inpL;
+    }
+
+
+    // lm_head
+    // inpL shape [n_vocab,N,1,1]
+    inpL = ggml_mul_mat(ctx0,
+                model->outputa,
+                    ggml_mul_mat(ctx0,
+                        model->outputb,
+                        inpL));
+
+    // ggml_set_scratch(ctx0, { 0, 0, nullptr, });
+    // run the computation
+    ggml_build_forward_expand(gf, inpL);
+
+    return inpL;
+}
+
+void sample_softmax(struct ggml_tensor * logits, struct ggml_tensor * probs, struct ggml_tensor * best_samples) {
+    assert(logits->n_dims == 2);
+    assert(probs->n_dims == 2);
+    assert(best_samples->n_dims == 1);
+    assert(logits->ne[1] == best_samples->ne[0]);
+    assert(logits->ne[0] == probs->ne[0]);
+    assert(logits->ne[1] == probs->ne[1]);
+    for (int i = 0; i < logits->ne[1]; ++i) {
+        float max_logit = ggml_get_f32_1d(logits, i * logits->ne[0]);
+        ggml_set_i32_1d(best_samples, i, 0);
+        for (int k = 0; k < logits->ne[0]; ++k) {
+            float logit = ggml_get_f32_1d(logits, i * logits->ne[0] + k);
+            if (logit > max_logit) {
+                max_logit = logit;
+                ggml_set_i32_1d(best_samples, i, k);
+            }
+        }
+        float psum = 0;
+        for (int k = 0; k < logits->ne[0]; ++k) {
+            float logit = ggml_get_f32_1d(logits, i * logits->ne[0] + k);
+            float p = (logit == -INFINITY) ? 0 : expf(logit - max_logit);
+            psum += p;
+            ggml_set_f32_1d(probs, i * probs->ne[0] + k, p);
+        }
+        for (int k = 0; k < logits->ne[0]; ++k) {
+            float p = ggml_get_f32_1d(probs, i*probs->ne[0] + k);
+            ggml_set_f32_1d(probs, i * probs->ne[0] + k, p / psum);
+        }
+    }
+}
+
+void sample_softmax_batch(struct ggml_context * ctx, struct ggml_tensor * logits, struct ggml_tensor * probs, struct ggml_tensor * best_samples) {
+    GGML_ASSERT(best_samples->n_dims == 2);
+    GGML_ASSERT(logits->n_dims == 3);
+    GGML_ASSERT(probs->n_dims == 3);
+    int n_tokens = best_samples->ne[0];
+    int n_batch  = best_samples->ne[1];
+    int n_vocab  = logits->ne[0];
+    GGML_ASSERT(n_tokens == logits->ne[1]);
+    GGML_ASSERT(n_batch  == logits->ne[2]);
+    GGML_ASSERT(n_vocab  == probs->ne[0]);
+    GGML_ASSERT(n_tokens == probs->ne[1]);
+    GGML_ASSERT(n_batch  == probs->ne[2]);
+
+    for (int k = 0; k < n_batch; ++k) {
+        struct ggml_tensor * best_samples_k = ggml_view_1d(ctx,
+                                                best_samples,
+                                                best_samples->ne[0],
+                                                k*best_samples->nb[1]);
+        struct ggml_tensor * logits_k       = ggml_view_2d(ctx,
+                                                logits,
+                                                logits->ne[0],
+                                                logits->ne[1],
+                                                logits->nb[1],
+                                                k*logits->nb[2]);
+        struct ggml_tensor * probs_k        = ggml_view_2d(ctx,
+                                                probs,
+                                                probs->ne[0],
+                                                probs->ne[1],
+                                                probs->nb[1],
+                                                k*probs->nb[2]);
+        sample_softmax(logits_k, probs_k, best_samples_k);
+    }
+}
+
+void print_row(struct ggml_tensor * probs, int i) {
+    for (int k = 0; k < probs->ne[0]; ++k) {
+        float p = ggml_get_f32_1d(probs, i*probs->ne[0] + k);
+        printf(" %.2f", p);
+    }
+    printf("\n");
+}
+
+void print_matrix(struct ggml_tensor * probs) {
+    assert(probs->n_dims == 2);
+    for (int i = 0; i < probs->ne[1]; ++i) {
+        for (int k = 0; k < probs->ne[0]; ++k) {
+            float p = ggml_get_f32_1d(probs, i*probs->ne[0] + k);
+            printf(" %.2f", p);
+        }
+        printf("\n");
+    }
+}
+
+void print_token(int token, int n_vocab) {
+    for (int k = 0; k < token; ++k) {
+        printf(" ");
+    }
+    printf("X");
+    for (int k = token+1; k < n_vocab; ++k) {
+        printf(" ");
+    }
+    printf("\n");
+}
+
+void print_tokens(struct ggml_tensor * tokens, int n_vocab) {
+    for (int i=0; i<tokens->ne[0]; ++i) {
+        int token = ggml_get_i32_1d(tokens, i);
+        print_token(token, n_vocab);
+    }
+}
+
+void get_example_targets(int example_id, struct ggml_tensor * tokens_input, struct ggml_tensor * targets) {
+    int n_tokens = tokens_input->ne[0];
+    int n_vocab = targets->ne[0];
+    float randomness = 0.0f;
+    // ggml_set_zero(targets);
+    ggml_set_f32(targets, -1.0f);
+    ggml_set_i32_1d(tokens_input, 0, 0);
+    for (int i=1; i<n_tokens+1; ++i) {
+        float x = example_id + i * 3.14159f * 2.0f * 1.0f * 0.5f / n_tokens;
+        float y = sinf(x);//*cosf(x*1.1f+1.0f);
+        float z = (y+1.0f)*0.5f; // scale to [0..1]
+        z += (frand()-0.5f)*(randomness/n_vocab);
+        z = (z < 0.0f) ? 0.0f : (z > 1.0f) ? 1.0f : z; // clamp to [0..1]
+        int token = std::max(1,std::min(1+(int)(z*(float)(n_vocab-1)), n_vocab-1));
+        ggml_set_f32_1d(targets, (i-1)*n_vocab + token, +1.0f);
+        if (i<n_tokens) {
+            ggml_set_i32_1d(tokens_input, i, token);
+        }
+    }
+}
+
+void get_example_targets_batch(struct ggml_context * ctx, int example_id, struct ggml_tensor * tokens_input, struct ggml_tensor * targets) {
+    GGML_ASSERT(tokens_input->n_dims == 2);
+    GGML_ASSERT(     targets->n_dims == 3);
+    int n_tokens = tokens_input->ne[0];
+    int n_batch  = tokens_input->ne[1];
+    GGML_ASSERT(n_tokens == targets->ne[1]);
+    GGML_ASSERT(n_batch  == targets->ne[2]);
+
+    for (int k=0; k<n_batch; ++k) {
+        struct ggml_tensor * tokens_input_k = ggml_view_1d(ctx,
+                                                tokens_input,
+                                                tokens_input->ne[0],
+                                                k*tokens_input->nb[1]);
+        struct ggml_tensor * targets_k    = ggml_view_2d(ctx,
+                                                targets,
+                                                targets->ne[0],
+                                                targets->ne[1],
+                                                targets->nb[1],
+                                                k*targets->nb[2]);
+        get_example_targets(example_id*n_batch + k, tokens_input_k, targets_k);
+    }
+}
+
+void lshift_examples(struct ggml_tensor * tokens_input, struct ggml_tensor * targets, int n_shift) {
+    int n_tokens = tokens_input->ne[0];
+    int n_vocab = targets->ne[0];
+    for (int i=0; i<n_tokens-n_shift; ++i) {
+        ggml_set_i32_1d(tokens_input, i, ggml_get_i32_1d(tokens_input, i + n_shift));
+        for (int k=0; k<n_vocab; ++k) {
+            ggml_set_f32_1d(targets, i*n_vocab + k, ggml_get_f32_1d(targets, (i + n_shift)*n_vocab + k));
+        }
+    }
+}
+
+struct ggml_tensor * square_error_loss(struct ggml_context * ctx, struct ggml_tensor * a, struct ggml_tensor * b) {
+    // todo: instead of a-b: a[1:]-b[:-1]
+    return ggml_sum(ctx, ggml_sqr(ctx, ggml_sub(ctx, a, b)));
+}
+
+struct ggml_tensor * cross_entropy_loss(struct ggml_context * ctx, struct ggml_tensor * a, struct ggml_tensor * b) {
+    const float eps = 1e-3f;
+    return
+        ggml_sum(ctx,
+            ggml_neg(ctx,
+                ggml_sum_rows(ctx,
+                    ggml_mul(ctx,
+                        ggml_soft_max(ctx, a),
+                        ggml_log(ctx,
+                            ggml_add1(ctx,
+                                ggml_soft_max(ctx, b),
+                                ggml_new_f32(ctx, eps)))))));
+}
+
+int main(int argc, char ** argv) {
+    if (argc < 1) {
+        fprintf(stderr, "usage: %s\n", argv[0]);
+
+        return 1;
+    }
+
+    struct ggml_init_params lcparams;
+    lcparams.mem_size   = 1024ll*1024ll*1024ll;
+    lcparams.mem_buffer = NULL;
+    lcparams.no_alloc   = false;
+
+    struct llama_model model;
+    model.hparams.n_vocab = 8;
+    model.hparams.n_ctx   = 8;
+    model.hparams.n_embd  = 32;
+    model.hparams.n_mult  = 2;
+    model.hparams.n_head  = 8;
+    model.hparams.n_layer = 1;
+    model.hparams.n_rot   = std::min(16u, model.hparams.n_embd / model.hparams.n_head);
+
+    // model.hparams.n_embd  = 32;
+    // model.hparams.n_mult  = 2;
+    // model.hparams.n_head  = 4;
+    // model.hparams.n_layer = 8;
+    // model.hparams.n_rot   = 8;
+
+    model.ctx = ggml_init(lcparams);
+    printf("init model\n");
+    init_model(&model);
+    set_param_model(&model);
+
+    randomize_model(&model, 1337, 0.0f, 1.0f, -1.0f, +1.0f);
+
+/*
+    struct llama_model_lora model_lora;
+    // model.hparams.n_vocab = 6;
+    // model.hparams.n_ctx   = 64;
+    // model.hparams.n_embd  = 128;
+    // model.hparams.n_mult  = 2;
+    // model.hparams.n_head  = 8;
+    // model.hparams.n_layer = 6;
+    // model.hparams.n_rot   = model.hparams.n_embd / model.hparams.n_head;
+
+    model_lora.hparams.n_vocab = 16;
+    model_lora.hparams.n_ctx   = 32;
+    model_lora.hparams.n_embd  = 256;
+    model_lora.hparams.n_mult  = 2;
+    model_lora.hparams.n_head  = 16;
+    model_lora.hparams.n_layer = 1;
+    model_lora.hparams.n_lora  = 64;
+    model_lora.hparams.n_rot   = MIN(16, model_lora.hparams.n_embd / model_lora.hparams.n_head);
+    // model.hparams.n_rot   = (model.hparams.n_embd / model.hparams.n_head) / 2;
+
+    // model.hparams.n_embd  = 32;
+    // model.hparams.n_mult  = 2;
+    // model.hparams.n_head  = 4;
+    // model.hparams.n_layer = 8;
+    // model.hparams.n_rot   = 8;
+
+    model_lora.ctx = ggml_init(lcparams);
+    printf("init model_lora\n");
+    init_model_lora(&model_lora);
+    set_param_model_lora(&model_lora);
+
+    randomize_model_lora(&model_lora, 1337, 0.0f, 1.0f, -1.0f, +1.0f);
+*/
+    int n_batch = 8;
+    // key + value cache for the self attention
+    struct llama_kv_cache kv_self;
+    printf("init_kv_cache\n");
+    kv_self.ctx = model.ctx;
+    init_kv_cache(&kv_self, &model, n_batch);
+    //init_kv_cache_lora(&kv_self, &model_lora);
+
+    size_t    compute_size = 1024ll*1024ll*1024ll;
+    uint8_t * compute_addr = new uint8_t[compute_size];
+
+    int n_examples = 256;
+    int n_tokens = model.hparams.n_ctx;
+    int n_vocab  = model.hparams.n_vocab;
+
+    std::vector<uint8_t> work_buffer;
+
+    for (int ex=0; ex<n_examples; ++ex) {
+        struct ggml_init_params params = {
+            /*.mem_size   =*/ compute_size,
+            /*.mem_buffer =*/ compute_addr,
+            /*.no_alloc   =*/ false,
+        };
+
+        struct ggml_context * ctx0 = ggml_init(params);
+
+        struct ggml_tensor * after_opt_best_samples  = ggml_new_tensor_2d(ctx0, GGML_TYPE_I32, n_tokens, n_batch);
+        struct ggml_tensor * after_opt_probs         = ggml_new_tensor_3d(ctx0, GGML_TYPE_F32, n_vocab, n_tokens, n_batch);
+        struct ggml_tensor * tokens_input            = ggml_new_tensor_2d(ctx0, GGML_TYPE_I32, n_tokens, n_batch);
+        struct ggml_tensor * targets                 = ggml_new_tensor_3d(ctx0, GGML_TYPE_F32, n_vocab, n_tokens, n_batch);
+
+        int n_past = 0;
+
+        ggml_cgraph gf = {};
+
+        get_example_targets_batch(ctx0, 64*ex+0,  tokens_input, targets);
+
+        struct ggml_tensor * logits = forward_batch(&model, &kv_self, ctx0, &gf, tokens_input, n_tokens, n_past, n_batch);
+        // struct ggml_tensor * e = cross_entropy_loss(ctx0, targets, logits);
+        struct ggml_tensor * e = square_error_loss(ctx0, targets, logits);
+
+        ggml_build_forward_expand(&gf, e);
+        ggml_graph_compute_helper(work_buffer, &gf, /*n_threads*/ 1);
+
+        float error_before_opt = ggml_get_f32_1d(e, 0);
+
+        struct ggml_opt_params opt_params_adam = ggml_opt_default_params(GGML_OPT_ADAM);
+        struct ggml_opt_params opt_params_lbfgs = ggml_opt_default_params(GGML_OPT_LBFGS);
+        opt_params_adam.print_forward_graph = false;
+        opt_params_adam.print_backward_graph = false;
+        opt_params_lbfgs.print_forward_graph = false;
+        opt_params_lbfgs.print_backward_graph = false;
+        opt_params_adam.adam.n_iter = 16;
+        opt_params_lbfgs.lbfgs.n_iter = 16;
+        // ggml_opt(ctx0, opt_params_adam, e);
+        ggml_opt(ctx0, opt_params_lbfgs, e);
+        //
+        ggml_build_forward_expand(&gf, e);
+        ggml_graph_compute_helper(work_buffer, &gf, /*n_threads*/ 1);
+
+        float error_after_opt = ggml_get_f32_1d(e, 0);
+
+        if (ex % 8 == 0) {
+            printf("Example %d\n", (ex+1));
+            printf("error_before_opt: %.2f\n", error_before_opt);
+            printf("error_after_opt:  %.2f\n", error_after_opt);
+        }
+
+        if (ex % 64 == 0) {
+            sample_softmax_batch(ctx0, logits, after_opt_probs, after_opt_best_samples);
+            // printf("probabilities after optimization:\n");
+            // print_matrix(after_opt_probs);
+            printf("best samples after optimization:\n");
+            print_tokens(after_opt_best_samples, n_vocab);
+        }
+
+        ggml_free(ctx0);
+    }
+
+    {
+        int n_gen = 128;
+        int sample_ctx = n_tokens-n_tokens/8;
+
+        printf("Generating %d tokens.\n", n_gen);
+
+        struct ggml_tensor * tokens_input = ggml_new_tensor_1d(model.ctx, GGML_TYPE_I32, n_tokens);
+        struct ggml_tensor * targets      = ggml_new_tensor_2d(model.ctx, GGML_TYPE_F32, n_vocab, n_tokens);
+
+        get_example_targets(137, tokens_input, targets);
+        for (int i=sample_ctx; i<n_tokens; ++i) {
+            ggml_set_i32_1d(tokens_input, i, n_vocab/2);
+        }
+
+        for (int i=0; i<sample_ctx-1; ++i) {
+            print_token(ggml_get_i32_1d(tokens_input, i), n_vocab);
+        }
+        printf("---\n");
+        for (int i=0; i<n_gen; ++i) {
+            struct ggml_init_params params = {
+                /*.mem_size   =*/ compute_size,
+                /*.mem_buffer =*/ compute_addr,
+                /*.no_alloc   =*/ false,
+            };
+            struct ggml_context * ctx0 = ggml_init(params);
+
+            ggml_cgraph gf = {};
+
+            int n_past = 0;
+            struct ggml_tensor * logits = forward(&model, &kv_self, ctx0, &gf, tokens_input, sample_ctx, n_past);
+
+            ggml_build_forward_expand(&gf, logits);
+            ggml_graph_compute_helper(work_buffer, &gf, /*n_threads*/ 1);
+
+            struct ggml_tensor * best_samples = ggml_new_tensor_1d(ctx0, GGML_TYPE_I32, sample_ctx);
+            struct ggml_tensor * probs        = ggml_new_tensor_2d(ctx0, GGML_TYPE_F32, n_vocab, sample_ctx);
+
+            sample_softmax(logits, probs, best_samples);
+
+            // int sample_at = n_tokens-1;
+            int token = ggml_get_i32_1d(best_samples, sample_ctx-1);
+
+            // print_row(probs, sample_at);
+            print_token(token, n_vocab);
+
+            lshift_examples(tokens_input, targets, 1);
+            ggml_set_i32_1d(tokens_input, 0, 0);
+            ggml_set_i32_1d(tokens_input, sample_ctx-1, token);
+
+            ggml_free(ctx0);
+        }
+    }
+
+    print_matrix(model.tok_embeddings);
+    printf("done\n");
+
+    // ggml_free(kv_self.ctx);
+    // ggml_free(model_lora.ctx);
+    ggml_free(model.ctx);
+
+    return 0;
+}

examples/benchmark/CMakeLists.txt

@@ -0,0 +1,7 @@
+set(TARGET benchmark)
+add_executable(${TARGET} benchmark-matmult.cpp)
+target_link_libraries(${TARGET} PRIVATE common llama ${CMAKE_THREAD_LIBS_INIT})
+target_compile_features(${TARGET} PRIVATE cxx_std_11)
+if(TARGET BUILD_INFO)
+  add_dependencies(${TARGET} BUILD_INFO)
+endif()

examples/benchmark/benchmark-matmult.cpp

@@ -0,0 +1,272 @@
+#include "ggml.h"
+#include "build-info.h"
+
+#include <locale.h>
+#include <assert.h>
+#include <math.h>
+#include <cstring>
+#include <cstdio>
+#include <cinttypes>
+#include <unordered_map>
+#include <queue>
+#include <string.h>
+#include <cassert>
+#include <fstream>
+#include <string>
+#include <iterator>
+#include <algorithm>
+
+#if defined(_MSC_VER)
+#pragma warning(disable: 4244 4267) // possible loss of data
+#endif
+
+void ggml_graph_compute_helper(std::vector<uint8_t> & buf, ggml_cgraph * graph, int n_threads) {
+    struct ggml_cplan plan = ggml_graph_plan(graph, n_threads);
+
+    if (plan.work_size > 0) {
+        buf.resize(plan.work_size);
+        plan.work_data = buf.data();
+    }
+
+    ggml_graph_compute(graph, &plan);
+}
+
+float tensor_sum_elements(const ggml_tensor * tensor) {
+    float sum = 0;
+    if (tensor->type==GGML_TYPE_F32) {
+        for (int j = 0; j < tensor->ne[1]; j++) {
+            for (int k = 0; k < tensor->ne[0]; k++) {
+                sum +=  ((float *) tensor->data)[j*tensor->ne[0]+k];
+            }
+        }
+    }
+    return sum;
+}
+
+void tensor_dump(const ggml_tensor * tensor, const char * name) {
+    printf("%15s: type = %i (%5s) ne = %5" PRIi64 " x %5" PRIi64 " x %5" PRIi64 ", nb = (%5zi, %5zi, %5zi) - ", name,
+        tensor->type, ggml_type_name(tensor->type),
+        tensor->ne[0], tensor->ne[1], tensor->ne[2], tensor->nb[0], tensor->nb[1], tensor->nb[2]);
+    float sum = tensor_sum_elements(tensor);
+    printf("Sum of tensor %s is %6.2f\n", name, sum);
+}
+
+#define TENSOR_DUMP(tensor) tensor_dump(tensor, #tensor)
+
+struct benchmark_params_struct {
+    int32_t n_threads     = 1;
+    int32_t n_iterations  = 10;
+};
+
+void print_usage(int /*argc*/, char ** argv, struct benchmark_params_struct params) {
+    fprintf(stderr, "usage: %s [options]\n", argv[0]);
+    fprintf(stderr, "\n");
+    fprintf(stderr, "options:\n");
+    fprintf(stderr, "  -h, --help            show this help message and exit\n");
+    fprintf(stderr, "  -t N, --threads N     number of threads to use during computation (default: %d)\n", params.n_threads);
+    fprintf(stderr, "  -i N, --iter N     number of iterations to use during computation (default: %d)\n", params.n_iterations);
+    fprintf(stderr, "\n");
+}
+
+int main(int argc, char ** argv)  {
+    struct benchmark_params_struct benchmark_params;
+
+    bool invalid_param = false;
+    std::string arg;
+    for (int i = 1; i < argc; i++) {
+        arg = argv[i];
+
+        if (arg == "-t" || arg == "--threads") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            benchmark_params.n_threads = std::stoi(argv[i]);
+        } else if (arg == "-i" || arg == "--iter") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            benchmark_params.n_iterations = std::stoi(argv[i]);
+        }  else if (arg == "-h" || arg == "--help") {
+            print_usage(argc, argv, benchmark_params);
+            exit(0);
+        }
+    }
+    if (invalid_param) {
+        fprintf(stderr, "error: invalid parameter for argument: %s\n", arg.c_str());
+        print_usage(argc, argv, benchmark_params);
+        exit(1);
+    }
+
+    fprintf(stderr, "%s: build = %d (%s)\n", __func__, BUILD_NUMBER, BUILD_COMMIT);
+    printf("Starting Test\n");
+
+    // create the ggml context
+    struct ggml_context * ctx;
+    //const int sizex = 4096;
+    //const int sizey = 11008;
+
+#undef VERBOSE_DEBUGGING
+#ifndef VERBOSE_DEBUGGING
+    const int sizey = 4096;
+    const int sizex = 11008;
+    const int sizez = 128;
+#else
+    /* Working - let's increase size */
+    const int sizey = 1;
+    const int sizex = (8*32);
+    const int sizez = 1;
+
+    /*const int sizey = 1;
+    const int sizex = 3*(8*32);
+    const int sizez = 1;*/
+#endif
+
+    //printf("Memsize required = %i\n", sizex*sizex);
+
+    size_t ctx_size = 0;
+    ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_F32);
+    ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_F32);
+    ctx_size += sizex*sizez*ggml_type_sizef(GGML_TYPE_F32);
+    ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_Q4_0);
+    ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_Q4_0);
+    ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_F32); // BLAS
+    ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_F32); // BLAS
+    ctx_size += 1024*1024*16;
+
+    printf("Allocating Memory of size %zi bytes, %zi MB\n",ctx_size, (ctx_size/1024/1024));
+
+    struct ggml_init_params params = {
+        /*.mem_size   =*/ ctx_size,
+        /*.mem_buffer =*/ NULL,
+        /* no_alloc   =*/ 0
+    };
+
+    ctx = ggml_init(params);
+    if (!ctx) {
+        fprintf(stderr, "%s: ggml_init() failed\n", __func__);
+        return 1;
+    }
+
+
+    printf("Creating new tensors\n");
+    // printf("Creating new tensor m1\n");
+    struct ggml_tensor * m11 = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, sizex, sizey);
+    ggml_set_f32(m11, 1.0f);
+
+    // printf("Creating new tensor m1\n");
+    struct ggml_tensor * m12 = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, sizex, sizey);
+    ggml_set_f32(m12, 1.5f);
+
+    // printf("Creating new tensor m2\n");
+    struct ggml_tensor * m2 = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, sizex, sizez);
+    ggml_set_f32(m2, 2.0f);
+
+    printf("\n------ Test 1 - Matrix Mult via F32 code ------------------------------------------------------------------------------\n");
+    // printf("Creating new tensor m11xm2\n");
+    struct ggml_tensor * m11xm2 = ggml_mul_mat(ctx, m11, m2);
+
+    // printf("Creating compute graph\n");
+    struct ggml_cgraph gf = ggml_build_forward(m11xm2);
+
+    printf("n_threads=%i\n", benchmark_params.n_threads);
+
+    TENSOR_DUMP(m11);
+    TENSOR_DUMP(m2);
+
+    std::vector<uint8_t> work_buffer;
+
+    ggml_graph_compute_helper(work_buffer, &gf, benchmark_params.n_threads);
+
+    TENSOR_DUMP(gf.nodes[0]);
+
+    printf("\n------ Test 2 - Matrix Mult via Q4_0 code ------------------------------------------------------------------------------\n");
+
+    int32_t nelements = sizex*sizey;
+    int32_t ne[2] = { sizex, sizey };
+
+    std::vector<int64_t> hist_cur(1 << 4, 0);
+
+    // Set up a the benchmark matrices
+    // printf("Creating new tensor q11 & Running quantize\n");
+    struct ggml_tensor * q11 = ggml_new_tensor_2d(ctx, GGML_TYPE_Q4_0, sizex, sizey);
+    ggml_quantize_q4_0((const float *) m11->data, q11->data, nelements, ne[0], hist_cur.data());
+
+    // Set up a the compute graph
+    // printf("Creating new tensor q31\n");
+    struct ggml_tensor * q31 = ggml_mul_mat(ctx, q11, m2);
+
+    // printf("Creating compute graph\n");
+    struct ggml_cgraph gf31 = ggml_build_forward(q31);
+
+    // Set up a second graph computation to make sure we override the CPU cache lines
+    // printf("Creating new tensor q12 & Running quantize\n");
+    struct ggml_tensor * q12 = ggml_new_tensor_2d(ctx, GGML_TYPE_Q4_0, sizex, sizey);
+    ggml_quantize_q4_0((const float *) m12->data, q12->data, nelements, ne[0], hist_cur.data());
+
+    // printf("Creating new tensor q32\n");
+    struct ggml_tensor * q32 = ggml_mul_mat(ctx, q12, m2);
+
+    //printf("Creating compute graph\n");
+    struct ggml_cgraph gf32 = ggml_build_forward(q32);
+    printf("n_threads=%i\n", benchmark_params.n_threads);
+
+    const int dimx = sizex;
+    const int dimy = sizey;
+    const int dimz = sizez;
+    long long int flops_per_dot_product = dimy + dimy;
+    long long int flops_per_matrix = flops_per_dot_product * dimx * dimz; ;
+    printf("Matrix Multiplication of (%i,%i,%i) x (%i,%i,%i) - about %6.2f gFLOPS\n\n", sizex, sizey, 1, sizex, sizez, 1, 1.0f*flops_per_matrix / 1000 / 1000 / 1000);
+
+
+    // Let's use the F32 result from above as a reference for the q4_0 multiplication
+    float sum_of_F32_reference = tensor_sum_elements(gf.nodes[0]);
+
+    printf("Iteration;NThreads; SizeX; SizeY; SizeZ; Required_FLOPS; Elapsed_u_Seconds; gigaFLOPS\n");
+    printf("=====================================================================================\n");
+
+    double  gflops_sum = 0;
+    for (int i=0;i<benchmark_params.n_iterations ;i++) {
+
+        long long int start = ggml_time_us();
+        //printf("Running ggml_graph_compute\n");
+        ggml_graph_compute_helper(work_buffer, &gf31, benchmark_params.n_threads);
+
+        long long int stop = ggml_time_us();
+        long long int usec = stop-start;
+        double gflops = (double)(flops_per_matrix)/usec/1000.0;
+        gflops_sum += gflops;
+        printf("%9i;%8i;%6i;%6i;%6i;%15lli;%18lli;%10.2f\n",
+            i,
+            benchmark_params.n_threads,
+            sizex, sizey, sizez, flops_per_matrix,
+            usec,gflops);
+
+#ifdef VERBOSE_DEBUGGING
+        TENSOR_DUMP("res",gf31.nodes[0])
+#endif
+
+        // Check that the matrix multiplication result is in the right ballpark
+        // We cannot use the exact value from the F32 multiplication because the quantizuation will be slightly different
+        float sum_of_Q4_result = tensor_sum_elements(gf31.nodes[0]);
+        float delta = abs(sum_of_Q4_result - sum_of_F32_reference);
+        float allowed_delta = (sum_of_F32_reference) / 1000 / 1000; //  Let's accept an epsilon of 10^-6
+
+        if (delta > allowed_delta)  {
+            printf("\nABORT - ERROR in Matrix Multiplication result - expected %6.2f, got %6.2f (delta %6.2f > allowed_delta %6.2f)\n",
+                sum_of_F32_reference,
+                sum_of_Q4_result,
+                delta,
+                allowed_delta
+            );
+            exit(0);
+        }
+
+        // Running a different graph computation to make sure we override the CPU cache lines
+        ggml_graph_compute_helper(work_buffer, &gf32, benchmark_params.n_threads);
+    }
+    printf("\n");
+    printf("Average%78.2f\n",gflops_sum/((double)benchmark_params.n_iterations));
+    printf("=====================================================================================\n");
+}

examples/chat-13B.bat

@@ -0,0 +1,57 @@
+@setlocal disabledelayedexpansion enableextensions
+@echo off
+
+cd /d "%~dp0.."
+if not "%errorlevel%"=="0" (
+    echo Unable to change directory.
+    pause
+    exit /b 1
+)
+
+if not defined MODEL set "MODEL=models\13B\ggml-model-q4_0.bin"
+if not defined USER_NAME set "USER_NAME=User"
+if not defined AI_NAME set "AI_NAME=ChatLLaMa"
+rem Adjust to the number of CPU cores you want to use.
+rem if not defined N_THREAD set "N_THREAD=8"
+rem Number of tokens to predict (made it larger than default because we want a long interaction)
+if not defined N_PREDICTS set "N_PREDICTS=2048"
+if not defined GEN_OPTIONS set "GEN_OPTIONS=--ctx_size 2048 --temp 0.7 --top_k 40 --top_p 0.5 --repeat_last_n 256 --batch_size 1024 --repeat_penalty 1.17647"
+
+rem Default main script paths
+set "DEFAULT_MAIN_SCRIPT_PATHS=main.exe build\bin\main.exe"
+
+rem Get main script path from command line arguments
+set "MAIN_SCRIPT_PATH=%~1"
+
+rem If the main script path was not specified, try the default paths
+if not defined MAIN_SCRIPT_PATH (
+    for %%i in (%DEFAULT_MAIN_SCRIPT_PATHS%) do (
+        if exist "%%i" set "MAIN_SCRIPT_PATH=%%i"
+    )
+)
+
+rem If the main script path was not found, tell the user how to specify it
+if not defined MAIN_SCRIPT_PATH (
+    echo The main script could not be found. Please provide the path to the main script as 1st argument to this script, or place the main script in one of the default locations:
+    echo %DEFAULT_MAIN_SCRIPT_PATHS%
+    pause
+    exit /b 1
+)
+
+rem Default context, feel free to edit it
+set "PROMPT_TEXT=Text transcript of a never ending dialog, where %USER_NAME% interacts with an AI assistant named %AI_NAME%. %AI_NAME% is helpful, kind, honest, friendly, good at writing and never fails to answer %USER_NAME%'s requests immediately and with details and precision. There are no annotations like (30 seconds passed...) or (to himself), just what %USER_NAME% and %AI_NAME% say aloud to each other. The dialog lasts for years, the entirety of it is shared below. It's 10000 pages long. The transcript only includes text, it does not include markup like HTML and Markdown."
+
+rem Set a temporary variable if N_THREAD is set
+if defined N_THREAD (
+    set "_N_THREAD=--threads %N_THREAD%"
+) else (
+    set "_N_THREAD="
+)
+
+rem Run the script
+echo "%MAIN_SCRIPT_PATH%" %GEN_OPTIONS% %_N_THREAD% ^
+  --model "%MODEL%" ^
+  --n_predict %N_PREDICTS% ^
+  --color --interactive ^
+  --reverse-prompt "%USER_NAME%:" ^
+  --prompt "%PROMPT_TEXT%"

examples/chat-13B.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+set -e
+
+cd "$(dirname "$0")/.." || exit
+
+MODEL="${MODEL:-./models/13B/ggml-model-q4_0.bin}"
+PROMPT_TEMPLATE=${PROMPT_TEMPLATE:-./prompts/chat.txt}
+USER_NAME="${USER_NAME:-USER}"
+AI_NAME="${AI_NAME:-ChatLLaMa}"
+
+# Adjust to the number of CPU cores you want to use.
+N_THREAD="${N_THREAD:-8}"
+# Number of tokens to predict (made it larger than default because we want a long interaction)
+N_PREDICTS="${N_PREDICTS:-2048}"
+
+# Note: you can also override the generation options by specifying them on the command line:
+# For example, override the context size by doing: ./chatLLaMa --ctx_size 1024
+GEN_OPTIONS="${GEN_OPTIONS:---ctx_size 2048 --temp 0.7 --top_k 40 --top_p 0.5 --repeat_last_n 256 --batch_size 1024 --repeat_penalty 1.17647}"
+
+DATE_TIME=$(date +%H:%M)
+DATE_YEAR=$(date +%Y)
+
+PROMPT_FILE=$(mktemp -t llamacpp_prompt.XXXXXXX.txt)
+
+sed -e "s/\[\[USER_NAME\]\]/$USER_NAME/g" \
+    -e "s/\[\[AI_NAME\]\]/$AI_NAME/g" \
+    -e "s/\[\[DATE_TIME\]\]/$DATE_TIME/g" \
+    -e "s/\[\[DATE_YEAR\]\]/$DATE_YEAR/g" \
+     $PROMPT_TEMPLATE > $PROMPT_FILE
+
+# shellcheck disable=SC2086 # Intended splitting of GEN_OPTIONS
+./main $GEN_OPTIONS \
+  --model "$MODEL" \
+  --threads "$N_THREAD" \
+  --n_predict "$N_PREDICTS" \
+  --color --interactive \
+  --file ${PROMPT_FILE} \
+  --reverse-prompt "${USER_NAME}:" \
+  --in-prefix ' ' \
+  "$@"

examples/chat-persistent.sh

@@ -0,0 +1,151 @@
+#!/bin/bash
+
+set -euo pipefail
+
+cd "$(dirname "$0")/.." || exit
+
+if [[ -z "${PROMPT_CACHE_FILE+x}" || -z "${CHAT_SAVE_DIR+x}" ]]; then
+    echo >&2 "error: PROMPT_CACHE_FILE and CHAT_SAVE_DIR must be provided"
+    exit 1
+fi
+
+MODEL="${MODEL:-./models/13B/ggml-model-q4_0.bin}"
+PROMPT_TEMPLATE="${PROMPT_TEMPLATE:-./prompts/chat.txt}"
+USER_NAME="${USER_NAME:-User}"
+AI_NAME="${AI_NAME:-ChatLLaMa}"
+DATE_TIME="$(date +%H:%M)"
+DATE_YEAR="$(date +%Y)"
+
+LOG="${CHAT_SAVE_DIR}/main.log"
+LOG_BG="${CHAT_SAVE_DIR}/main-bg.log"
+CUR_PROMPT_FILE="${CHAT_SAVE_DIR}/current-prompt.txt"
+CUR_PROMPT_CACHE="${CHAT_SAVE_DIR}/current-cache.bin"
+NEXT_PROMPT_FILE="${CHAT_SAVE_DIR}/next-prompt.txt"
+NEXT_PROMPT_CACHE="${CHAT_SAVE_DIR}/next-cache.bin"
+
+SESSION_SIZE_MSG_PATTERN='main: session file matches [[:digit:]]+ / [[:digit:]]+'
+SAMPLE_TIME_MSG_PATTERN='sample time =[[:space:]]+[[:digit:]]+.[[:digit:]]+ ms /[[:space:]]+[[:digit:]]+'
+SED_DELETE_MESSAGES="/^(${USER_NAME}:|${AI_NAME}:|\\.\\.\\.)/,\$d"
+
+CTX_SIZE=2048
+CTX_ROTATE_POINT=$((CTX_SIZE * 3 / 5)) # REVIEW
+OPTS=(--model "$MODEL" --ctx_size "$CTX_SIZE" --repeat_last_n 256 "$@")
+
+# An unbuffered `tail -c+N`
+skip_bytes() {
+    LANG=C IFS= read -r -n "$1" -d '' c
+    while LANG=C IFS= read -r -n 1 -d '' c; do
+        printf '%s' "$c"
+    done
+}
+
+mkdir -p "$CHAT_SAVE_DIR"
+echo >"$LOG"
+trap "tail -n100 ${LOG}" EXIT
+
+if [[ ! -e "$CUR_PROMPT_FILE" ]]; then
+    sed -e "s/\[\[USER_NAME\]\]/${USER_NAME}/g" \
+        -e "s/\[\[AI_NAME\]\]/${AI_NAME}/g" \
+        -e "s/\[\[DATE_TIME\]\]/${DATE_TIME}/g" \
+        -e "s/\[\[DATE_YEAR\]\]/${DATE_YEAR}/g" \
+        "$PROMPT_TEMPLATE" >"$CUR_PROMPT_FILE"
+fi
+
+if [[ ! -e "$NEXT_PROMPT_FILE" ]]; then
+    sed -r "$SED_DELETE_MESSAGES" "$CUR_PROMPT_FILE" >"$NEXT_PROMPT_FILE"
+fi
+
+if [[ "$(tail -c4 "$NEXT_PROMPT_FILE")" != "..." ]]; then
+    echo '...' >>"$NEXT_PROMPT_FILE"
+fi
+
+if [[ ! -e "$PROMPT_CACHE_FILE" ]]; then
+    echo 'Prompt cache does not exist, building...'
+    # Default batch_size to 8 here for better user feedback during initial prompt processing
+    ./main 2>>"$LOG" \
+        --batch_size 8 \
+        "${OPTS[@]}" \
+        --prompt-cache "$PROMPT_CACHE_FILE" \
+        --file "$CUR_PROMPT_FILE" \
+        --n_predict 1
+    echo
+    echo 'Done!'
+fi
+
+if [[ ! -e "$CUR_PROMPT_CACHE" ]]; then
+    cp "$PROMPT_CACHE_FILE" "$CUR_PROMPT_CACHE"
+fi
+if [[ ! -e "$NEXT_PROMPT_CACHE" ]]; then
+    cp "$PROMPT_CACHE_FILE" "$NEXT_PROMPT_CACHE"
+fi
+
+printf '%s ' "$(< "$CUR_PROMPT_FILE")"
+n_tokens=0
+
+while read -e line; do
+    # Limit generation to remaining context, with a buffer and estimating 2 chars/token for input
+    n_predict=$((CTX_SIZE - n_tokens - ${#line} / 2 - 32))
+
+    # Swap prompts when we're about to run out of context
+    if ((n_predict <= 0)); then
+        wait # for background main (below) to finish with next prompt
+        mv "$NEXT_PROMPT_FILE"  "$CUR_PROMPT_FILE"
+        mv "$NEXT_PROMPT_CACHE" "$CUR_PROMPT_CACHE"
+
+        sed -r "$SED_DELETE_MESSAGES" "$CUR_PROMPT_FILE" >"$NEXT_PROMPT_FILE"
+        echo '...' >>"$NEXT_PROMPT_FILE"
+        cp "$PROMPT_CACHE_FILE" "$NEXT_PROMPT_CACHE"
+
+        n_tokens=0
+        n_predict=$((CTX_SIZE / 2))
+    fi
+
+    echo " ${line}" >>"$CUR_PROMPT_FILE"
+    if ((n_tokens > CTX_ROTATE_POINT)); then
+        echo " ${line}" >>"$NEXT_PROMPT_FILE"
+    fi
+
+    n_prompt_len_pre=$(($(wc -c <"$CUR_PROMPT_FILE")))
+
+    printf '%s: ' "$AI_NAME" >>"$CUR_PROMPT_FILE"
+
+    ./main 2>>"$LOG" "${OPTS[@]}" \
+            --prompt-cache "$CUR_PROMPT_CACHE" \
+            --prompt-cache-all \
+            --file "$CUR_PROMPT_FILE" \
+            --reverse-prompt "${USER_NAME}:" \
+            --n_predict "$n_predict" |
+        skip_bytes 1 |                  # skip BOS token added by ./main
+        tee "$CUR_PROMPT_FILE.tmp" |    # save prompt + generation to tmp file
+        skip_bytes "$n_prompt_len_pre"  # print generation
+
+    mv "$CUR_PROMPT_FILE.tmp" "$CUR_PROMPT_FILE"
+
+    # if we hit n_predict instead of reverse-prompt, we need to add the prompt
+    if [[ "$(tail -n1 "$CUR_PROMPT_FILE")" != "${USER_NAME}:" ]]; then
+        printf '\n%s:' "$USER_NAME"
+        printf '\n%s:' "$USER_NAME" >> "$CUR_PROMPT_FILE"
+    fi
+
+    printf ' '
+
+    # HACK get num tokens from debug message
+    # TODO get both messages in one go
+    if  ! session_size_msg="$(tail -n30 "$LOG" | grep -oE "$SESSION_SIZE_MSG_PATTERN")" ||
+        ! sample_time_msg="$( tail -n10 "$LOG" | grep -oE "$SAMPLE_TIME_MSG_PATTERN")"; then
+        echo >&2 "Couldn't get number of tokens from ./main output!"
+        exit 1
+    fi
+
+    n_tokens=$(($(cut -d/ -f2 <<<"$session_size_msg") + $(cut -d/ -f2 <<<"$sample_time_msg")))
+
+    if ((n_tokens > CTX_ROTATE_POINT)); then
+        tail -c+$((n_prompt_len_pre + 1)) "$CUR_PROMPT_FILE" >>"$NEXT_PROMPT_FILE"
+    fi
+
+    # Update cache for next prompt in background, ideally during user input
+    ./main >>"$LOG_BG" 2>&1 "${OPTS[@]}" \
+          --prompt-cache "$NEXT_PROMPT_CACHE" \
+          --file "$NEXT_PROMPT_FILE" \
+          --n_predict 1 &
+done

examples/chat-vicuna.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+set -e
+
+cd "$(dirname "$0")/.." || exit
+
+MODEL="${MODEL:-./models/ggml-vic13b-uncensored-q5_0.bin}"
+PROMPT_TEMPLATE=${PROMPT_TEMPLATE:-./prompts/chat.txt}
+USER_NAME="### Human"
+AI_NAME="### Assistant"
+
+# Adjust to the number of CPU cores you want to use.
+N_THREAD="${N_THREAD:-8}"
+# Number of tokens to predict (made it larger than default because we want a long interaction)
+N_PREDICTS="${N_PREDICTS:-2048}"
+
+# Note: you can also override the generation options by specifying them on the command line:
+# For example, override the context size by doing: ./chatLLaMa --ctx_size 1024
+GEN_OPTIONS="${GEN_OPTIONS:---ctx_size 2048 --temp 0.7 --top_k 40 --top_p 0.5 --repeat_last_n 256 --batch_size 1024 --repeat_penalty 1.17647}"
+
+DATE_TIME=$(date +%H:%M)
+DATE_YEAR=$(date +%Y)
+
+PROMPT_FILE=$(mktemp -t llamacpp_prompt.XXXXXXX.txt)
+
+sed -e "s/\[\[USER_NAME\]\]/$USER_NAME/g" \
+    -e "s/\[\[AI_NAME\]\]/$AI_NAME/g" \
+    -e "s/\[\[DATE_TIME\]\]/$DATE_TIME/g" \
+    -e "s/\[\[DATE_YEAR\]\]/$DATE_YEAR/g" \
+     $PROMPT_TEMPLATE > $PROMPT_FILE
+
+# shellcheck disable=SC2086 # Intended splitting of GEN_OPTIONS
+./bin/main $GEN_OPTIONS \
+  --model "$MODEL" \
+  --threads "$N_THREAD" \
+  --n_predict "$N_PREDICTS" \
+  --color --interactive \
+  --file ${PROMPT_FILE} \
+  --reverse-prompt "### Human:" \
+  --in-prefix ' ' \
+  "$@"

examples/chat.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+#
+# Temporary script - will be removed in the future
+#
+
+cd `dirname $0`
+cd ..
+
+# Important:
+#
+#   "--keep 48" is based on the contents of prompts/chat-with-bob.txt
+#
+./main -m ./models/7B/ggml-model-q4_0.bin -c 512 -b 1024 -n 256 --keep 48 \
+    --repeat_penalty 1.0 --color -i \
+    -r "User:" -f prompts/chat-with-bob.txt

examples/common.cpp

@@ -0,0 +1,982 @@
+#include "common.h"
+
+#include <cassert>
+#include <iostream>
+#include <cstring>
+#include <fstream>
+#include <string>
+#include <iterator>
+#include <algorithm>
+#include <sstream>
+#include <unordered_set>
+#include <regex>
+
+#if defined(__APPLE__) && defined(__MACH__)
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#endif
+
+#if defined(_WIN32)
+#define WIN32_LEAN_AND_MEAN
+#define NOMINMAX
+#include <windows.h>
+#include <fcntl.h>
+#include <io.h>
+#else
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <wchar.h>
+#endif
+
+#if defined(_MSC_VER)
+#pragma warning(disable: 4244 4267) // possible loss of data
+#endif
+
+int32_t get_num_physical_cores() {
+#ifdef __linux__
+    // enumerate the set of thread siblings, num entries is num cores
+    std::unordered_set<std::string> siblings;
+    for (uint32_t cpu=0; cpu < UINT32_MAX; ++cpu) {
+        std::ifstream thread_siblings("/sys/devices/system/cpu"
+            + std::to_string(cpu) + "/topology/thread_siblings");
+        if (!thread_siblings.is_open()) {
+            break; // no more cpus
+        }
+        std::string line;
+        if (std::getline(thread_siblings, line)) {
+            siblings.insert(line);
+        }
+    }
+    if (siblings.size() > 0) {
+        return static_cast<int32_t>(siblings.size());
+    }
+#elif defined(__APPLE__) && defined(__MACH__)
+    int32_t num_physical_cores;
+    size_t len = sizeof(num_physical_cores);
+    int result = sysctlbyname("hw.perflevel0.physicalcpu", &num_physical_cores, &len, NULL, 0);
+    if (result == 0) {
+        return num_physical_cores;
+    }
+    result = sysctlbyname("hw.physicalcpu", &num_physical_cores, &len, NULL, 0);
+    if (result == 0) {
+        return num_physical_cores;
+    }
+#elif defined(_WIN32)
+    //TODO: Implement
+#endif
+    unsigned int n_threads = std::thread::hardware_concurrency();
+    return n_threads > 0 ? (n_threads <= 4 ? n_threads : n_threads / 2) : 4;
+}
+
+void process_escapes(std::string& input) {
+    std::size_t input_len = input.length();
+    std::size_t output_idx = 0;
+
+    for (std::size_t input_idx = 0; input_idx < input_len; ++input_idx) {
+        if (input[input_idx] == '\\' && input_idx + 1 < input_len) {
+            switch (input[++input_idx]) {
+                case 'n':  input[output_idx++] = '\n'; break;
+                case 'r':  input[output_idx++] = '\r'; break;
+                case 't':  input[output_idx++] = '\t'; break;
+                case '\'': input[output_idx++] = '\''; break;
+                case '\"': input[output_idx++] = '\"'; break;
+                case '\\': input[output_idx++] = '\\'; break;
+                default:   input[output_idx++] = '\\';
+                           input[output_idx++] = input[input_idx]; break;
+            }
+        } else {
+            input[output_idx++] = input[input_idx];
+        }
+    }
+
+    input.resize(output_idx);
+}
+
+bool gpt_params_parse(int argc, char ** argv, gpt_params & params) {
+    bool invalid_param = false;
+    bool escape_prompt = false;
+    std::string arg;
+    gpt_params default_params;
+    const std::string arg_prefix = "--";
+
+    for (int i = 1; i < argc; i++) {
+        arg = argv[i];
+        if (arg.compare(0, arg_prefix.size(), arg_prefix) == 0) {
+            std::replace(arg.begin(), arg.end(), '_', '-');
+        }
+
+        if (arg == "-s" || arg == "--seed") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.seed = std::stoul(argv[i]);
+        } else if (arg == "-t" || arg == "--threads") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.n_threads = std::stoi(argv[i]);
+        } else if (arg == "-p" || arg == "--prompt") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.prompt = argv[i];
+        } else if (arg == "-e") {
+            escape_prompt = true;
+        } else if (arg == "--prompt-cache") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.path_prompt_cache = argv[i];
+        } else if (arg == "--prompt-cache-all") {
+            params.prompt_cache_all = true;
+        } else if (arg == "--prompt-cache-ro") {
+            params.prompt_cache_ro = true;
+        } else if (arg == "-f" || arg == "--file") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            std::ifstream file(argv[i]);
+            if (!file) {
+                fprintf(stderr, "error: failed to open file '%s'\n", argv[i]);
+                invalid_param = true;
+                break;
+            }
+            std::copy(std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>(), back_inserter(params.prompt));
+            if (params.prompt.back() == '\n') {
+                params.prompt.pop_back();
+            }
+        } else if (arg == "-n" || arg == "--n-predict") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.n_predict = std::stoi(argv[i]);
+        } else if (arg == "--top-k") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.top_k = std::stoi(argv[i]);
+        } else if (arg == "-c" || arg == "--ctx-size") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.n_ctx = std::stoi(argv[i]);
+        } else if (arg == "--memory-f32") {
+            params.memory_f16 = false;
+        } else if (arg == "--top-p") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.top_p = std::stof(argv[i]);
+        } else if (arg == "--temp") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.temp = std::stof(argv[i]);
+        } else if (arg == "--tfs") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.tfs_z = std::stof(argv[i]);
+        } else if (arg == "--typical") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.typical_p = std::stof(argv[i]);
+        } else if (arg == "--repeat-last-n") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.repeat_last_n = std::stoi(argv[i]);
+        } else if (arg == "--repeat-penalty") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.repeat_penalty = std::stof(argv[i]);
+        } else if (arg == "--frequency-penalty") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.frequency_penalty = std::stof(argv[i]);
+        } else if (arg == "--presence-penalty") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.presence_penalty = std::stof(argv[i]);
+        } else if (arg == "--mirostat") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.mirostat = std::stoi(argv[i]);
+        } else if (arg == "--mirostat-lr") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.mirostat_eta = std::stof(argv[i]);
+        } else if (arg == "--mirostat-ent") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.mirostat_tau = std::stof(argv[i]);
+        } else if (arg == "--cfg-negative-prompt") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.cfg_negative_prompt = argv[i];
+        } else if (arg == "--cfg-scale") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.cfg_scale = std::stof(argv[i]);
+        } else if (arg == "--cfg-smooth-factor") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.cfg_smooth_factor = std::stof(argv[i]);
+        } else if (arg == "-b" || arg == "--batch-size") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.n_batch = std::stoi(argv[i]);
+            params.n_batch = std::min(512, params.n_batch);
+        } else if (arg == "--keep") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.n_keep = std::stoi(argv[i]);
+        } else if (arg == "-m" || arg == "--model") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.model = argv[i];
+        } else if (arg == "-a" || arg == "--alias") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.model_alias = argv[i];
+        } else if (arg == "--lora") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.lora_adapter = argv[i];
+        } else if (arg == "--lora-base") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.lora_base = argv[i];
+        } else if (arg == "-i" || arg == "--interactive") {
+            params.interactive = true;
+        } else if (arg == "--embedding") {
+            params.embedding = true;
+        } else if (arg == "--interactive-first") {
+            params.interactive_first = true;
+        } else if (arg == "-ins" || arg == "--instruct") {
+            params.instruct = true;
+        } else if (arg == "--multiline-input") {
+            params.multiline_input = true;
+        } else if (arg == "--color") {
+            params.use_color = true;
+        } else if (arg == "--mlock") {
+            params.use_mlock = true;
+        } else if (arg == "--gpu-layers" || arg == "-ngl" || arg == "--n-gpu-layers") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+#ifdef LLAMA_SUPPORTS_GPU_OFFLOAD
+            params.n_gpu_layers = std::stoi(argv[i]);
+#else
+            fprintf(stderr, "warning: not compiled with GPU offload support, --n-gpu-layers option will be ignored\n");
+            fprintf(stderr, "warning: see main README.md for information on enabling GPU BLAS support\n");
+#endif
+        } else if (arg == "--main-gpu" || arg == "-mg") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+#ifdef GGML_USE_CUBLAS
+            params.main_gpu = std::stoi(argv[i]);
+#else
+      fprintf(stderr, "warning: llama.cpp was compiled without cuBLAS. It is not possible to set a main GPU.\n");
+#endif
+        } else if (arg == "--tensor-split" || arg == "-ts") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+#ifdef GGML_USE_CUBLAS
+            std::string arg_next = argv[i];
+
+            // split string by , and /
+            const std::regex regex{R"([,/]+)"};
+            std::sregex_token_iterator it{arg_next.begin(), arg_next.end(), regex, -1};
+            std::vector<std::string> split_arg{it, {}};
+            GGML_ASSERT(split_arg.size() <= LLAMA_MAX_DEVICES);
+
+            for (size_t i = 0; i < LLAMA_MAX_DEVICES; ++i) {
+                if (i < split_arg.size()) {
+                    params.tensor_split[i] = std::stof(split_arg[i]);
+                } else {
+                    params.tensor_split[i] = 0.0f;
+                }
+            }
+#else
+      fprintf(stderr, "warning: llama.cpp was compiled without cuBLAS. It is not possible to set a tensor split.\n");
+#endif // GGML_USE_CUBLAS
+        } else if (arg == "--low-vram" || arg == "-lv") {
+#ifdef GGML_USE_CUBLAS
+            params.low_vram = true;
+#else
+      fprintf(stderr, "warning: llama.cpp was compiled without cuBLAS. It is not possible to set lower vram usage.\n");
+#endif // GGML_USE_CUBLAS
+        } else if (arg == "--no-mmap") {
+            params.use_mmap = false;
+        } else if (arg == "--mtest") {
+            params.mem_test = true;
+        } else if (arg == "--numa") {
+            params.numa = true;
+        } else if (arg == "--export") {
+            params.export_cgraph = true;
+        } else if (arg == "--verbose-prompt") {
+            params.verbose_prompt = true;
+        } else if (arg == "-r" || arg == "--reverse-prompt") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.antiprompt.push_back(argv[i]);
+        } else if (arg == "--perplexity") {
+            params.perplexity = true;
+        } else if (arg == "--ignore-eos") {
+            params.logit_bias[llama_token_eos()] = -INFINITY;
+        } else if (arg == "--no-penalize-nl") {
+            params.penalize_nl = false;
+        } else if (arg == "-l" || arg == "--logit-bias") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            std::stringstream ss(argv[i]);
+            llama_token key;
+            char sign;
+            std::string value_str;
+            try {
+                if (ss >> key && ss >> sign && std::getline(ss, value_str) && (sign == '+' || sign == '-')) {
+                    params.logit_bias[key] = std::stof(value_str) * ((sign == '-') ? -1.0f : 1.0f);
+                } else {
+                    throw std::exception();
+                }
+            } catch (const std::exception&) {
+                invalid_param = true;
+                break;
+            }
+        } else if (arg == "-h" || arg == "--help") {
+            gpt_print_usage(argc, argv, default_params);
+            exit(0);
+        } else if (arg == "--random-prompt") {
+            params.random_prompt = true;
+        } else if (arg == "--in-prefix") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.input_prefix = argv[i];
+        } else if (arg == "--in-suffix") {
+            if (++i >= argc) {
+                invalid_param = true;
+                break;
+            }
+            params.input_suffix = argv[i];
+        } else {
+            fprintf(stderr, "error: unknown argument: %s\n", arg.c_str());
+            gpt_print_usage(argc, argv, default_params);
+            exit(1);
+        }
+    }
+    if (invalid_param) {
+        fprintf(stderr, "error: invalid parameter for argument: %s\n", arg.c_str());
+        gpt_print_usage(argc, argv, default_params);
+        exit(1);
+    }
+    if (params.prompt_cache_all &&
+            (params.interactive || params.interactive_first ||
+             params.instruct)) {
+        fprintf(stderr, "error: --prompt-cache-all not supported in interactive mode yet\n");
+        gpt_print_usage(argc, argv, default_params);
+        exit(1);
+    }
+
+    if (escape_prompt) {
+        process_escapes(params.prompt);
+        process_escapes(params.input_prefix);
+        process_escapes(params.input_suffix);
+    }
+
+    return true;
+}
+
+void gpt_print_usage(int /*argc*/, char ** argv, const gpt_params & params) {
+    fprintf(stderr, "usage: %s [options]\n", argv[0]);
+    fprintf(stderr, "\n");
+    fprintf(stderr, "options:\n");
+    fprintf(stderr, "  -h, --help            show this help message and exit\n");
+    fprintf(stderr, "  -i, --interactive     run in interactive mode\n");
+    fprintf(stderr, "  --interactive-first   run in interactive mode and wait for input right away\n");
+    fprintf(stderr, "  -ins, --instruct      run in instruction mode (use with Alpaca models)\n");
+    fprintf(stderr, "  --multiline-input     allows you to write or paste multiple lines without ending each in '\\'\n");
+    fprintf(stderr, "  -r PROMPT, --reverse-prompt PROMPT\n");
+    fprintf(stderr, "                        halt generation at PROMPT, return control in interactive mode\n");
+    fprintf(stderr, "                        (can be specified more than once for multiple prompts).\n");
+    fprintf(stderr, "  --color               colorise output to distinguish prompt and user input from generations\n");
+    fprintf(stderr, "  -s SEED, --seed SEED  RNG seed (default: -1, use random seed for < 0)\n");
+    fprintf(stderr, "  -t N, --threads N     number of threads to use during computation (default: %d)\n", params.n_threads);
+    fprintf(stderr, "  -p PROMPT, --prompt PROMPT\n");
+    fprintf(stderr, "                        prompt to start generation with (default: empty)\n");
+    fprintf(stderr, "  -e                    process prompt escapes sequences (\\n, \\r, \\t, \\', \\\", \\\\)\n");
+    fprintf(stderr, "  --prompt-cache FNAME  file to cache prompt state for faster startup (default: none)\n");
+    fprintf(stderr, "  --prompt-cache-all    if specified, saves user input and generations to cache as well.\n");
+    fprintf(stderr, "                        not supported with --interactive or other interactive options\n");
+    fprintf(stderr, "  --prompt-cache-ro     if specified, uses the prompt cache but does not update it.\n");
+    fprintf(stderr, "  --random-prompt       start with a randomized prompt.\n");
+    fprintf(stderr, "  --in-prefix STRING    string to prefix user inputs with (default: empty)\n");
+    fprintf(stderr, "  --in-suffix STRING    string to suffix after user inputs with (default: empty)\n");
+    fprintf(stderr, "  -f FNAME, --file FNAME\n");
+    fprintf(stderr, "                        prompt file to start generation.\n");
+    fprintf(stderr, "  -n N, --n-predict N   number of tokens to predict (default: %d, -1 = infinity)\n", params.n_predict);
+    fprintf(stderr, "  --top-k N             top-k sampling (default: %d, 0 = disabled)\n", params.top_k);
+    fprintf(stderr, "  --top-p N             top-p sampling (default: %.1f, 1.0 = disabled)\n", (double)params.top_p);
+    fprintf(stderr, "  --tfs N               tail free sampling, parameter z (default: %.1f, 1.0 = disabled)\n", (double)params.tfs_z);
+    fprintf(stderr, "  --typical N           locally typical sampling, parameter p (default: %.1f, 1.0 = disabled)\n", (double)params.typical_p);
+    fprintf(stderr, "  --repeat-last-n N     last n tokens to consider for penalize (default: %d, 0 = disabled, -1 = ctx_size)\n", params.repeat_last_n);
+    fprintf(stderr, "  --repeat-penalty N    penalize repeat sequence of tokens (default: %.1f, 1.0 = disabled)\n", (double)params.repeat_penalty);
+    fprintf(stderr, "  --presence-penalty N  repeat alpha presence penalty (default: %.1f, 0.0 = disabled)\n", (double)params.presence_penalty);
+    fprintf(stderr, "  --frequency-penalty N repeat alpha frequency penalty (default: %.1f, 0.0 = disabled)\n", (double)params.frequency_penalty);
+    fprintf(stderr, "  --mirostat N          use Mirostat sampling.\n");
+    fprintf(stderr, "                        Top K, Nucleus, Tail Free and Locally Typical samplers are ignored if used.\n");
+    fprintf(stderr, "                        (default: %d, 0 = disabled, 1 = Mirostat, 2 = Mirostat 2.0)\n", params.mirostat);
+    fprintf(stderr, "  --mirostat-lr N       Mirostat learning rate, parameter eta (default: %.1f)\n", (double)params.mirostat_eta);
+    fprintf(stderr, "  --mirostat-ent N      Mirostat target entropy, parameter tau (default: %.1f)\n", (double)params.mirostat_tau);
+    fprintf(stderr, "  -l TOKEN_ID(+/-)BIAS, --logit-bias TOKEN_ID(+/-)BIAS\n");
+    fprintf(stderr, "                        modifies the likelihood of token appearing in the completion,\n");
+    fprintf(stderr, "                        i.e. `--logit-bias 15043+1` to increase likelihood of token ' Hello',\n");
+    fprintf(stderr, "                        or `--logit-bias 15043-1` to decrease likelihood of token ' Hello'\n");
+    fprintf(stderr, "  --cfg-negative-prompt PROMPT \n");
+    fprintf(stderr, "                        negative prompt to use for guidance. (default: empty)\n");
+    fprintf(stderr, "  --cfg-scale N         strength of guidance (default: %f, 1.0 = disable)\n", params.cfg_scale);
+    fprintf(stderr, "  --cfg-smooth-factor N smooth factor between old and new logits (default: %f, 1.0 = no smoothing)\n", params.cfg_smooth_factor);
+    fprintf(stderr, "  -c N, --ctx-size N    size of the prompt context (default: %d)\n", params.n_ctx);
+    fprintf(stderr, "  --ignore-eos          ignore end of stream token and continue generating (implies --logit-bias 2-inf)\n");
+    fprintf(stderr, "  --no-penalize-nl      do not penalize newline token\n");
+    fprintf(stderr, "  --memory-f32          use f32 instead of f16 for memory key+value (default: disabled)\n");
+    fprintf(stderr, "                        not recommended: doubles context memory required and no measurable increase in quality\n");
+    fprintf(stderr, "  --temp N              temperature (default: %.1f)\n", (double)params.temp);
+    fprintf(stderr, "  -b N, --batch-size N  batch size for prompt processing (default: %d)\n", params.n_batch);
+    fprintf(stderr, "  --perplexity          compute perplexity over the prompt\n");
+    fprintf(stderr, "  --keep                number of tokens to keep from the initial prompt (default: %d, -1 = all)\n", params.n_keep);
+    if (llama_mlock_supported()) {
+        fprintf(stderr, "  --mlock               force system to keep model in RAM rather than swapping or compressing\n");
+    }
+    if (llama_mmap_supported()) {
+        fprintf(stderr, "  --no-mmap             do not memory-map model (slower load but may reduce pageouts if not using mlock)\n");
+    }
+    fprintf(stderr, "  --numa                attempt optimizations that help on some NUMA systems\n");
+    fprintf(stderr, "                        if run without this previously, it is recommended to drop the system page cache before using this\n");
+    fprintf(stderr, "                        see https://github.com/ggerganov/llama.cpp/issues/1437\n");
+#ifdef LLAMA_SUPPORTS_GPU_OFFLOAD
+    fprintf(stderr, "  -ngl N, --n-gpu-layers N\n");
+    fprintf(stderr, "                        number of layers to store in VRAM\n");
+    fprintf(stderr, "  -ts SPLIT --tensor-split SPLIT\n");
+    fprintf(stderr, "                        how to split tensors across multiple GPUs, comma-separated list of proportions, e.g. 3,1\n");
+    fprintf(stderr, "  -mg i, --main-gpu i   the GPU to use for scratch and small tensors\n" );
+    fprintf(stderr, "  -lv, --low-vram       don't allocate VRAM scratch buffer\n" );
+#endif
+    fprintf(stderr, "  --mtest               compute maximum memory usage\n");
+    fprintf(stderr, "  --export              export the computation graph to 'llama.ggml'\n");
+    fprintf(stderr, "  --verbose-prompt      print prompt before generation\n");
+    fprintf(stderr, "  --lora FNAME          apply LoRA adapter\n");
+    fprintf(stderr, "  --lora-base FNAME     optional model to use as a base for the layers modified by the LoRA adapter\n");
+    fprintf(stderr, "  -m FNAME, --model FNAME\n");
+    fprintf(stderr, "                        model path (default: %s)\n", params.model.c_str());
+    fprintf(stderr, "\n");
+}
+
+std::string gpt_random_prompt(std::mt19937 & rng) {
+    const int r = rng() % 10;
+    switch (r) {
+        case 0: return "So";
+        case 1: return "Once upon a time";
+        case 2: return "When";
+        case 3: return "The";
+        case 4: return "After";
+        case 5: return "If";
+        case 6: return "import";
+        case 7: return "He";
+        case 8: return "She";
+        case 9: return "They";
+        default: return "To";
+    }
+
+    return "The";
+}
+
+// TODO: not great allocating this every time
+std::vector<llama_token> llama_tokenize(struct llama_context * ctx, const std::string & text, bool add_bos) {
+    // initialize to prompt numer of chars, since n_tokens <= n_prompt_chars
+    std::vector<llama_token> res(text.size() + (int) add_bos);
+    const int n = llama_tokenize(ctx, text.c_str(), res.data(), res.size(), add_bos);
+    assert(n >= 0);
+    res.resize(n);
+
+    return res;
+}
+
+struct llama_context_params llama_context_params_from_gpt_params(const gpt_params & params) {
+    auto lparams = llama_context_default_params();
+
+    lparams.n_ctx        = params.n_ctx;
+    lparams.n_batch      = params.n_batch;
+    lparams.n_gpu_layers = params.n_gpu_layers;
+    lparams.main_gpu     = params.main_gpu;
+    memcpy(lparams.tensor_split, params.tensor_split, LLAMA_MAX_DEVICES*sizeof(float));
+    lparams.low_vram     = params.low_vram;
+    lparams.seed         = params.seed;
+    lparams.f16_kv       = params.memory_f16;
+    lparams.use_mmap     = params.use_mmap;
+    lparams.use_mlock    = params.use_mlock;
+    lparams.logits_all   = params.perplexity;
+    lparams.embedding    = params.embedding;
+
+    return lparams;
+}
+
+std::tuple<struct llama_model *, struct llama_context *> llama_init_from_gpt_params(const gpt_params & params) {
+    auto lparams = llama_context_params_from_gpt_params(params);
+
+    llama_model * model  = llama_load_model_from_file(params.model.c_str(), lparams);
+    if (model == NULL) {
+        fprintf(stderr, "%s: error: failed to load model '%s'\n", __func__, params.model.c_str());
+        return std::make_tuple(nullptr, nullptr);
+    }
+
+    llama_context * lctx = llama_new_context_with_model(model, lparams);
+    if (lctx == NULL) {
+        fprintf(stderr, "%s: error: failed to create context with model '%s'\n", __func__, params.model.c_str());
+        llama_free_model(model);
+        return std::make_tuple(nullptr, nullptr);
+    }
+
+    if (!params.lora_adapter.empty()) {
+        int err = llama_model_apply_lora_from_file(model,
+                                             params.lora_adapter.c_str(),
+                                             params.lora_base.empty() ? NULL : params.lora_base.c_str(),
+                                             params.n_threads);
+        if (err != 0) {
+            fprintf(stderr, "%s: error: failed to apply lora adapter\n", __func__);
+            llama_free(lctx);
+            llama_free_model(model);
+            return std::make_tuple(nullptr, nullptr);
+        }
+    }
+
+    return std::make_tuple(model, lctx);
+}
+
+void console_init(console_state & con_st) {
+#if defined(_WIN32)
+    // Windows-specific console initialization
+    DWORD dwMode = 0;
+    con_st.hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
+    if (con_st.hConsole == INVALID_HANDLE_VALUE || !GetConsoleMode(con_st.hConsole, &dwMode)) {
+        con_st.hConsole = GetStdHandle(STD_ERROR_HANDLE);
+        if (con_st.hConsole != INVALID_HANDLE_VALUE && (!GetConsoleMode(con_st.hConsole, &dwMode))) {
+            con_st.hConsole = NULL;
+        }
+    }
+    if (con_st.hConsole) {
+        // Enable ANSI colors on Windows 10+
+        if (con_st.use_color && !(dwMode & ENABLE_VIRTUAL_TERMINAL_PROCESSING)) {
+            SetConsoleMode(con_st.hConsole, dwMode | ENABLE_VIRTUAL_TERMINAL_PROCESSING);
+        }
+        // Set console output codepage to UTF8
+        SetConsoleOutputCP(CP_UTF8);
+    }
+    HANDLE hConIn = GetStdHandle(STD_INPUT_HANDLE);
+    if (hConIn != INVALID_HANDLE_VALUE && GetConsoleMode(hConIn, &dwMode)) {
+        // Set console input codepage to UTF16
+        _setmode(_fileno(stdin), _O_WTEXT);
+
+        // Turn off ICANON (ENABLE_LINE_INPUT) and ECHO (ENABLE_ECHO_INPUT)
+        dwMode &= ~(ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT);
+        SetConsoleMode(hConIn, dwMode);
+    }
+#else
+    // POSIX-specific console initialization
+    struct termios new_termios;
+    tcgetattr(STDIN_FILENO, &con_st.prev_state);
+    new_termios = con_st.prev_state;
+    new_termios.c_lflag &= ~(ICANON | ECHO);
+    new_termios.c_cc[VMIN] = 1;
+    new_termios.c_cc[VTIME] = 0;
+    tcsetattr(STDIN_FILENO, TCSANOW, &new_termios);
+
+    con_st.tty = fopen("/dev/tty", "w+");
+    if (con_st.tty != nullptr) {
+        con_st.out = con_st.tty;
+    }
+
+    setlocale(LC_ALL, "");
+#endif
+}
+
+void console_cleanup(console_state & con_st) {
+    // Reset console color
+    console_set_color(con_st, CONSOLE_COLOR_DEFAULT);
+
+#if !defined(_WIN32)
+    if (con_st.tty != nullptr) {
+        con_st.out = stdout;
+        fclose(con_st.tty);
+        con_st.tty = nullptr;
+    }
+    // Restore the terminal settings on POSIX systems
+    tcsetattr(STDIN_FILENO, TCSANOW, &con_st.prev_state);
+#endif
+}
+
+/* Keep track of current color of output, and emit ANSI code if it changes. */
+void console_set_color(console_state & con_st, console_color_t color) {
+    if (con_st.use_color && con_st.color != color) {
+        fflush(stdout);
+        switch(color) {
+            case CONSOLE_COLOR_DEFAULT:
+                fprintf(con_st.out, ANSI_COLOR_RESET);
+                break;
+            case CONSOLE_COLOR_PROMPT:
+                fprintf(con_st.out, ANSI_COLOR_YELLOW);
+                break;
+            case CONSOLE_COLOR_USER_INPUT:
+                fprintf(con_st.out, ANSI_BOLD ANSI_COLOR_GREEN);
+                break;
+            case CONSOLE_COLOR_ERROR:
+                fprintf(con_st.out, ANSI_BOLD ANSI_COLOR_RED);
+                break;
+        }
+        con_st.color = color;
+        fflush(con_st.out);
+    }
+}
+
+char32_t getchar32() {
+#if defined(_WIN32)
+    HANDLE hConsole = GetStdHandle(STD_INPUT_HANDLE);
+    wchar_t high_surrogate = 0;
+
+    while (true) {
+        INPUT_RECORD record;
+        DWORD count;
+        if (!ReadConsoleInputW(hConsole, &record, 1, &count) || count == 0) {
+            return WEOF;
+        }
+
+        if (record.EventType == KEY_EVENT && record.Event.KeyEvent.bKeyDown) {
+            wchar_t wc = record.Event.KeyEvent.uChar.UnicodeChar;
+            if (wc == 0) {
+                continue;
+            }
+
+            if ((wc >= 0xD800) && (wc <= 0xDBFF)) { // Check if wc is a high surrogate
+                high_surrogate = wc;
+                continue;
+            } else if ((wc >= 0xDC00) && (wc <= 0xDFFF)) { // Check if wc is a low surrogate
+                if (high_surrogate != 0) { // Check if we have a high surrogate
+                    return ((high_surrogate - 0xD800) << 10) + (wc - 0xDC00) + 0x10000;
+                }
+            }
+
+            high_surrogate = 0; // Reset the high surrogate
+            return static_cast<char32_t>(wc);
+        }
+    }
+#else
+    wchar_t wc = getwchar();
+    if (static_cast<wint_t>(wc) == WEOF) {
+        return WEOF;
+    }
+
+#if WCHAR_MAX == 0xFFFF
+    if ((wc >= 0xD800) && (wc <= 0xDBFF)) { // Check if wc is a high surrogate
+        wchar_t low_surrogate = getwchar();
+        if ((low_surrogate >= 0xDC00) && (low_surrogate <= 0xDFFF)) { // Check if the next wchar is a low surrogate
+            return (static_cast<char32_t>(wc & 0x03FF) << 10) + (low_surrogate & 0x03FF) + 0x10000;
+        }
+    }
+    if ((wc >= 0xD800) && (wc <= 0xDFFF)) { // Invalid surrogate pair
+        return 0xFFFD; // Return the replacement character U+FFFD
+    }
+#endif
+
+    return static_cast<char32_t>(wc);
+#endif
+}
+
+void pop_cursor(console_state & con_st) {
+#if defined(_WIN32)
+    if (con_st.hConsole != NULL) {
+        CONSOLE_SCREEN_BUFFER_INFO bufferInfo;
+        GetConsoleScreenBufferInfo(con_st.hConsole, &bufferInfo);
+
+        COORD newCursorPosition = bufferInfo.dwCursorPosition;
+        if (newCursorPosition.X == 0) {
+            newCursorPosition.X = bufferInfo.dwSize.X - 1;
+            newCursorPosition.Y -= 1;
+        } else {
+            newCursorPosition.X -= 1;
+        }
+
+        SetConsoleCursorPosition(con_st.hConsole, newCursorPosition);
+        return;
+    }
+#endif
+    putc('\b', con_st.out);
+}
+
+int estimateWidth(char32_t codepoint) {
+#if defined(_WIN32)
+    return 1;
+#else
+    return wcwidth(codepoint);
+#endif
+}
+
+int put_codepoint(console_state & con_st, const char* utf8_codepoint, size_t length, int expectedWidth) {
+#if defined(_WIN32)
+    CONSOLE_SCREEN_BUFFER_INFO bufferInfo;
+    if (!GetConsoleScreenBufferInfo(con_st.hConsole, &bufferInfo)) {
+        // go with the default
+        return expectedWidth;
+    }
+    COORD initialPosition = bufferInfo.dwCursorPosition;
+    DWORD nNumberOfChars = length;
+    WriteConsole(con_st.hConsole, utf8_codepoint, nNumberOfChars, &nNumberOfChars, NULL);
+
+    CONSOLE_SCREEN_BUFFER_INFO newBufferInfo;
+    GetConsoleScreenBufferInfo(con_st.hConsole, &newBufferInfo);
+
+    // Figure out our real position if we're in the last column
+    if (utf8_codepoint[0] != 0x09 && initialPosition.X == newBufferInfo.dwSize.X - 1) {
+        DWORD nNumberOfChars;
+        WriteConsole(con_st.hConsole, &" \b", 2, &nNumberOfChars, NULL);
+        GetConsoleScreenBufferInfo(con_st.hConsole, &newBufferInfo);
+    }
+
+    int width = newBufferInfo.dwCursorPosition.X - initialPosition.X;
+    if (width < 0) {
+        width += newBufferInfo.dwSize.X;
+    }
+    return width;
+#else
+    // we can trust expectedWidth if we've got one
+    if (expectedWidth >= 0 || con_st.tty == nullptr) {
+        fwrite(utf8_codepoint, length, 1, con_st.out);
+        return expectedWidth;
+    }
+
+    fputs("\033[6n", con_st.tty); // Query cursor position
+    int x1, x2, y1, y2;
+    int results = 0;
+    results = fscanf(con_st.tty, "\033[%d;%dR", &y1, &x1);
+
+    fwrite(utf8_codepoint, length, 1, con_st.tty);
+
+    fputs("\033[6n", con_st.tty); // Query cursor position
+    results += fscanf(con_st.tty, "\033[%d;%dR", &y2, &x2);
+
+    if (results != 4) {
+        return expectedWidth;
+    }
+
+    int width = x2 - x1;
+    if (width < 0) {
+        // Calculate the width considering text wrapping
+        struct winsize w;
+        ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
+        width += w.ws_col;
+    }
+    return width;
+#endif
+}
+
+void replace_last(console_state & con_st, char ch) {
+#if defined(_WIN32)
+    pop_cursor(con_st);
+    put_codepoint(con_st, &ch, 1, 1);
+#else
+    fprintf(con_st.out, "\b%c", ch);
+#endif
+}
+
+void append_utf8(char32_t ch, std::string & out) {
+    if (ch <= 0x7F) {
+        out.push_back(static_cast<unsigned char>(ch));
+    } else if (ch <= 0x7FF) {
+        out.push_back(static_cast<unsigned char>(0xC0 | ((ch >> 6) & 0x1F)));
+        out.push_back(static_cast<unsigned char>(0x80 | (ch & 0x3F)));
+    } else if (ch <= 0xFFFF) {
+        out.push_back(static_cast<unsigned char>(0xE0 | ((ch >> 12) & 0x0F)));
+        out.push_back(static_cast<unsigned char>(0x80 | ((ch >> 6) & 0x3F)));
+        out.push_back(static_cast<unsigned char>(0x80 | (ch & 0x3F)));
+    } else if (ch <= 0x10FFFF) {
+        out.push_back(static_cast<unsigned char>(0xF0 | ((ch >> 18) & 0x07)));
+        out.push_back(static_cast<unsigned char>(0x80 | ((ch >> 12) & 0x3F)));
+        out.push_back(static_cast<unsigned char>(0x80 | ((ch >> 6) & 0x3F)));
+        out.push_back(static_cast<unsigned char>(0x80 | (ch & 0x3F)));
+    } else {
+        // Invalid Unicode code point
+    }
+}
+
+// Helper function to remove the last UTF-8 character from a string
+void pop_back_utf8_char(std::string & line) {
+    if (line.empty()) {
+        return;
+    }
+
+    size_t pos = line.length() - 1;
+
+    // Find the start of the last UTF-8 character (checking up to 4 bytes back)
+    for (size_t i = 0; i < 3 && pos > 0; ++i, --pos) {
+        if ((line[pos] & 0xC0) != 0x80) break; // Found the start of the character
+    }
+    line.erase(pos);
+}
+
+bool console_readline(console_state & con_st, std::string & line) {
+    console_set_color(con_st, CONSOLE_COLOR_USER_INPUT);
+    if (con_st.out != stdout) {
+        fflush(stdout);
+    }
+
+    line.clear();
+    std::vector<int> widths;
+    bool is_special_char = false;
+    bool end_of_stream = false;
+
+    char32_t input_char;
+    while (true) {
+        fflush(con_st.out); // Ensure all output is displayed before waiting for input
+        input_char = getchar32();
+
+        if (input_char == '\r' || input_char == '\n') {
+            break;
+        }
+
+        if (input_char == (char32_t) WEOF || input_char == 0x04 /* Ctrl+D*/) {
+            end_of_stream = true;
+            break;
+        }
+
+        if (is_special_char) {
+            console_set_color(con_st, CONSOLE_COLOR_USER_INPUT);
+            replace_last(con_st, line.back());
+            is_special_char = false;
+        }
+
+        if (input_char == '\033') { // Escape sequence
+            char32_t code = getchar32();
+            if (code == '[' || code == 0x1B) {
+                // Discard the rest of the escape sequence
+                while ((code = getchar32()) != (char32_t) WEOF) {
+                    if ((code >= 'A' && code <= 'Z') || (code >= 'a' && code <= 'z') || code == '~') {
+                        break;
+                    }
+                }
+            }
+        } else if (input_char == 0x08 || input_char == 0x7F) { // Backspace
+            if (!widths.empty()) {
+                int count;
+                do {
+                    count = widths.back();
+                    widths.pop_back();
+                    // Move cursor back, print space, and move cursor back again
+                    for (int i = 0; i < count; i++) {
+                        replace_last(con_st, ' ');
+                        pop_cursor(con_st);
+                    }
+                    pop_back_utf8_char(line);
+                } while (count == 0 && !widths.empty());
+            }
+        } else {
+            int offset = line.length();
+            append_utf8(input_char, line);
+            int width = put_codepoint(con_st, line.c_str() + offset, line.length() - offset, estimateWidth(input_char));
+            if (width < 0) {
+                width = 0;
+            }
+            widths.push_back(width);
+        }
+
+        if (!line.empty() && (line.back() == '\\' || line.back() == '/')) {
+            console_set_color(con_st, CONSOLE_COLOR_PROMPT);
+            replace_last(con_st, line.back());
+            is_special_char = true;
+        }
+    }
+
+    bool has_more = con_st.multiline_input;
+    if (is_special_char) {
+        replace_last(con_st, ' ');
+        pop_cursor(con_st);
+
+        char last = line.back();
+        line.pop_back();
+        if (last == '\\') {
+            line += '\n';
+            fputc('\n', con_st.out);
+            has_more = !has_more;
+        } else {
+            // llama will just eat the single space, it won't act as a space
+            if (line.length() == 1 && line.back() == ' ') {
+                line.clear();
+                pop_cursor(con_st);
+            }
+            has_more = false;
+        }
+    } else {
+        if (end_of_stream) {
+            has_more = false;
+        } else {
+            line += '\n';
+            fputc('\n', con_st.out);
+        }
+    }
+
+    fflush(con_st.out);
+    return has_more;
+}

examples/common.h

@@ -0,0 +1,147 @@
+// Various helper functions and utilities
+
+#pragma once
+
+#include "llama.h"
+
+#include <string>
+#include <vector>
+#include <random>
+#include <thread>
+#include <unordered_map>
+#include <tuple>
+
+#if !defined (_WIN32)
+#include <stdio.h>
+#include <termios.h>
+#endif
+
+//
+// CLI argument parsing
+//
+int32_t get_num_physical_cores();
+
+struct gpt_params {
+    uint32_t seed                           = -1;  // RNG seed
+    int32_t n_threads                       = get_num_physical_cores();
+    int32_t n_predict                       = -1;  // new tokens to predict
+    int32_t n_ctx                           = 512; // context size
+    int32_t n_batch                         = 512; // batch size for prompt processing (must be >=32 to use BLAS)
+    int32_t n_keep                          = 0;   // number of tokens to keep from initial prompt
+    int32_t n_gpu_layers                    = 0;   // number of layers to store in VRAM
+    int32_t main_gpu                        = 0;   // the GPU that is used for scratch and small tensors
+    float   tensor_split[LLAMA_MAX_DEVICES] = {0}; // how split tensors should be distributed across GPUs
+    int32_t n_probs                         = 0;   // if greater than 0, output the probabilities of top n_probs tokens.
+
+    // sampling parameters
+    std::unordered_map<llama_token, float> logit_bias; // logit bias for specific tokens
+    int32_t top_k             = 40;    // <= 0 to use vocab size
+    float   top_p             = 0.95f; // 1.0 = disabled
+    float   tfs_z             = 1.00f; // 1.0 = disabled
+    float   typical_p         = 1.00f; // 1.0 = disabled
+    float   temp              = 0.80f; // 1.0 = disabled
+    float   repeat_penalty    = 1.10f; // 1.0 = disabled
+    int32_t repeat_last_n     = 64;    // last n tokens to penalize (0 = disable penalty, -1 = context size)
+    float   frequency_penalty = 0.00f; // 0.0 = disabled
+    float   presence_penalty  = 0.00f; // 0.0 = disabled
+    int     mirostat          = 0;     // 0 = disabled, 1 = mirostat, 2 = mirostat 2.0
+    float   mirostat_tau      = 5.00f; // target entropy
+    float   mirostat_eta      = 0.10f; // learning rate
+
+    // Classifier-Free Guidance
+    // https://arxiv.org/abs/2306.17806
+    std::string cfg_negative_prompt;       // string to help guidance
+    float       cfg_scale         = 1.f;   // How strong is guidance
+    float       cfg_smooth_factor = 1.f;   // Smooth factor between old and new logits
+
+    std::string model             = "models/7B/ggml-model.bin"; // model path
+    std::string model_alias       = "unknown"; // model alias
+    std::string prompt            = "";
+    std::string path_prompt_cache = "";  // path to file for saving/loading prompt eval state
+    std::string input_prefix      = "";  // string to prefix user inputs with
+    std::string input_suffix      = "";  // string to suffix user inputs with
+    std::vector<std::string> antiprompt; // string upon seeing which more user input is prompted
+
+    std::string lora_adapter = "";  // lora adapter path
+    std::string lora_base    = "";  // base model path for the lora adapter
+
+    bool low_vram          = false;   // if true, reduce VRAM usage at the cost of performance
+    bool memory_f16        = true;  // use f16 instead of f32 for memory kv
+    bool random_prompt     = false; // do not randomize prompt if none provided
+    bool use_color         = false; // use color to distinguish generations and inputs
+    bool interactive       = false; // interactive mode
+    bool prompt_cache_all  = false; // save user input and generations to prompt cache
+    bool prompt_cache_ro   = false; // open the prompt cache read-only and do not update it
+
+    bool embedding         = false; // get only sentence embedding
+    bool interactive_first = false; // wait for user input immediately
+    bool multiline_input   = false; // reverse the usage of `\`
+
+    bool instruct          = false; // instruction mode (used for Alpaca models)
+    bool penalize_nl       = true;  // consider newlines as a repeatable token
+    bool perplexity        = false; // compute perplexity over the prompt
+    bool use_mmap          = true;  // use mmap for faster loads
+    bool use_mlock         = false; // use mlock to keep model in memory
+    bool mem_test          = false; // compute maximum memory usage
+    bool numa              = false; // attempt optimizations that help on some NUMA systems
+    bool export_cgraph     = false; // export the computation graph
+    bool verbose_prompt    = false; // print prompt tokens before generation
+};
+
+bool gpt_params_parse(int argc, char ** argv, gpt_params & params);
+
+void gpt_print_usage(int argc, char ** argv, const gpt_params & params);
+
+std::string gpt_random_prompt(std::mt19937 & rng);
+
+//
+// Vocab utils
+//
+
+std::vector<llama_token> llama_tokenize(struct llama_context * ctx, const std::string & text, bool add_bos);
+
+//
+// Model utils
+//
+
+std::tuple<struct llama_model *, struct llama_context *> llama_init_from_gpt_params(const gpt_params & params);
+struct llama_context_params llama_context_params_from_gpt_params(const gpt_params & params);
+
+//
+// Console utils
+//
+
+#define ANSI_COLOR_RED     "\x1b[31m"
+#define ANSI_COLOR_GREEN   "\x1b[32m"
+#define ANSI_COLOR_YELLOW  "\x1b[33m"
+#define ANSI_COLOR_BLUE    "\x1b[34m"
+#define ANSI_COLOR_MAGENTA "\x1b[35m"
+#define ANSI_COLOR_CYAN    "\x1b[36m"
+#define ANSI_COLOR_RESET   "\x1b[0m"
+#define ANSI_BOLD          "\x1b[1m"
+
+enum console_color_t {
+    CONSOLE_COLOR_DEFAULT=0,
+    CONSOLE_COLOR_PROMPT,
+    CONSOLE_COLOR_USER_INPUT,
+    CONSOLE_COLOR_ERROR
+};
+
+struct console_state {
+    bool multiline_input = false;
+    bool use_color = false;
+    console_color_t color = CONSOLE_COLOR_DEFAULT;
+
+    FILE* out = stdout;
+#if defined (_WIN32)
+    void* hConsole;
+#else
+    FILE* tty = nullptr;
+    termios prev_state;
+#endif
+};
+
+void console_init(console_state & con_st);
+void console_cleanup(console_state & con_st);
+void console_set_color(console_state & con_st, console_color_t color);
+bool console_readline(console_state & con_st, std::string & line);

examples/embd-input/.gitignore

@@ -0,0 +1,4 @@
+PandaGPT
+MiniGPT-4
+*.pth
+

examples/embd-input/CMakeLists.txt

@@ -0,0 +1,15 @@
+set(TARGET embdinput)
+add_library(${TARGET} embd-input-lib.cpp embd-input.h)
+target_link_libraries(${TARGET} PRIVATE common llama ${CMAKE_THREAD_LIBS_INIT})
+target_compile_features(${TARGET} PRIVATE cxx_std_11)
+if(TARGET BUILD_INFO)
+  add_dependencies(${TARGET} BUILD_INFO)
+endif()
+
+set(TARGET embd-input-test)
+add_executable(${TARGET} embd-input-test.cpp)
+target_link_libraries(${TARGET} PRIVATE common llama embdinput ${CMAKE_THREAD_LIBS_INIT})
+target_compile_features(${TARGET} PRIVATE cxx_std_11)
+if(TARGET BUILD_INFO)
+  add_dependencies(${TARGET} BUILD_INFO)
+endif()

examples/embd-input/README.md

@@ -0,0 +1,63 @@
+### Examples for input embedding directly
+
+## Requirement
+build  `libembdinput.so`
+run the following comman in main dir (../../).
+```
+make
+```
+
+## [LLaVA](https://github.com/haotian-liu/LLaVA/) example  (llava.py)
+
+1. Obtian LLaVA model (following https://github.com/haotian-liu/LLaVA/ , use https://huggingface.co/liuhaotian/LLaVA-13b-delta-v1-1/).
+2. Convert it to ggml format.
+3. `llava_projection.pth` is [pytorch_model-00003-of-00003.bin](https://huggingface.co/liuhaotian/LLaVA-13b-delta-v1-1/blob/main/pytorch_model-00003-of-00003.bin).
+
+```
+import torch
+
+bin_path = "../LLaVA-13b-delta-v1-1/pytorch_model-00003-of-00003.bin"
+pth_path = "./examples/embd_input/llava_projection.pth"
+
+dic = torch.load(bin_path)
+used_key = ["model.mm_projector.weight","model.mm_projector.bias"]
+torch.save({k: dic[k] for k in used_key}, pth_path)
+```
+4. Check the path of LLaVA model and `llava_projection.pth` in `llava.py`.
+
+
+## [PandaGPT](https://github.com/yxuansu/PandaGPT) example (panda_gpt.py)
+
+1. Obtian PandaGPT lora model from https://github.com/yxuansu/PandaGPT. Rename the file to `adapter_model.bin`. Use [convert-lora-to-ggml.py](../../convert-lora-to-ggml.py) to convert it to ggml format.
+The `adapter_config.json` is
+```
+{
+  "peft_type": "LORA",
+  "fan_in_fan_out": false,
+  "bias": null,
+  "modules_to_save": null,
+  "r": 32,
+  "lora_alpha": 32,
+  "lora_dropout": 0.1,
+  "target_modules": ["q_proj", "k_proj", "v_proj", "o_proj"]
+}
+```
+2. Papare the `vicuna` v0 model.
+3. Obtain the [ImageBind](https://dl.fbaipublicfiles.com/imagebind/imagebind_huge.pth) model.
+4. Clone the PandaGPT source.
+```
+git clone https://github.com/yxuansu/PandaGPT
+```
+5. Install the requirement of PandaGPT.
+6. Check the path of PandaGPT source, ImageBind model, lora model and vicuna model in panda_gpt.py.
+
+## [MiniGPT-4](https://github.com/Vision-CAIR/MiniGPT-4/) example (minigpt4.py)
+
+1. Obtain MiniGPT-4 model from https://github.com/Vision-CAIR/MiniGPT-4/ and put it in `embd-input`.
+2. Clone the MiniGPT-4 source.
+```
+git clone https://github.com/Vision-CAIR/MiniGPT-4/
+```
+3. Install the requirement of PandaGPT.
+4. Papare the `vicuna` v0 model.
+5. Check the path of MiniGPT-4 source, MiniGPT-4 model and vicuna model in `minigpt4.py`.

examples/embd-input/embd-input-lib.cpp

@@ -0,0 +1,223 @@
+// Defines sigaction on msys:
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#include "embd-input.h"
+
+#include <cassert>
+#include <cinttypes>
+#include <cmath>
+#include <cstdio>
+#include <cstring>
+#include <ctime>
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+
+static llama_context ** g_ctx;
+
+extern "C" {
+
+struct MyModel* create_mymodel(int argc, char ** argv) {
+    gpt_params params;
+
+    if (gpt_params_parse(argc, argv, params) == false) {
+        return nullptr;
+    }
+
+    fprintf(stderr, "%s: build = %d (%s)\n", __func__, BUILD_NUMBER, BUILD_COMMIT);
+
+    if (params.seed == LLAMA_DEFAULT_SEED) {
+        params.seed = time(NULL);
+    }
+    fprintf(stderr, "%s: seed  = %d\n", __func__, params.seed);
+
+    llama_backend_init(params.numa);
+
+    llama_model * model;
+    llama_context * ctx;
+
+    g_ctx = &ctx;
+
+    // load the model and apply lora adapter, if any
+    std::tie(model, ctx) = llama_init_from_gpt_params(params);
+    if (model == NULL) {
+        fprintf(stderr, "%s: error: unable to load model\n", __func__);
+        return nullptr;
+    }
+
+    // print system information
+    {
+        fprintf(stderr, "\n");
+        fprintf(stderr, "system_info: n_threads = %d / %d | %s\n",
+                params.n_threads, std::thread::hardware_concurrency(), llama_print_system_info());
+    }
+    struct MyModel * ret = new MyModel();
+    ret->ctx = ctx;
+    ret->params = params;
+    ret->n_past = 0;
+    // printf("ctx: %d\n", ret->ctx);
+    return ret;
+}
+
+void free_mymodel(struct MyModel * mymodel) {
+    llama_context * ctx = mymodel->ctx;
+    llama_print_timings(ctx);
+    llama_free(ctx);
+    delete mymodel;
+}
+
+
+bool eval_float(void * model, float * input, int N){
+    MyModel * mymodel = (MyModel*)model;
+    llama_context * ctx = mymodel->ctx;
+    gpt_params params = mymodel->params;
+    int n_emb = llama_n_embd(ctx);
+    int n_past = mymodel->n_past;
+    int n_batch = N; // params.n_batch;
+
+    for (int i = 0; i < (int) N; i += n_batch) {
+        int n_eval = (int) N - i;
+        if (n_eval > n_batch) {
+            n_eval = n_batch;
+        }
+        if (llama_eval_embd(ctx, (input+i*n_emb), n_eval, n_past, params.n_threads)) {
+            fprintf(stderr, "%s : failed to eval\n", __func__);
+            return false;
+        }
+        n_past += n_eval;
+    }
+    mymodel->n_past = n_past;
+    return true;
+}
+
+bool eval_tokens(void * model, std::vector<llama_token> tokens) {
+    MyModel * mymodel = (MyModel* )model;
+    llama_context * ctx;
+    ctx = mymodel->ctx;
+    gpt_params params = mymodel->params;
+    int n_past = mymodel->n_past;
+    for (int i = 0; i < (int) tokens.size(); i += params.n_batch) {
+        int n_eval = (int) tokens.size() - i;
+        if (n_eval > params.n_batch) {
+            n_eval = params.n_batch;
+        }
+        if (llama_eval(ctx, &tokens[i], n_eval, n_past, params.n_threads)) {
+            fprintf(stderr, "%s : failed to eval\n", __func__);
+            return false;
+        }
+        n_past += n_eval;
+    }
+    mymodel->n_past = n_past;
+    return true;
+}
+
+bool eval_id(struct MyModel* mymodel, int id) {
+    std::vector<llama_token> tokens;
+    tokens.push_back(id);
+    return eval_tokens(mymodel, tokens);
+}
+
+bool eval_string(struct MyModel * mymodel,const char* str){
+    llama_context * ctx = mymodel->ctx;
+    std::string str2 = str;
+    std::vector<llama_token> embd_inp = ::llama_tokenize(ctx, str2, true);
+    eval_tokens(mymodel, embd_inp);
+    return true;
+}
+
+llama_token sampling_id(struct MyModel* mymodel) {
+    llama_context* ctx = mymodel->ctx;
+    gpt_params params = mymodel->params;
+    // int n_ctx = llama_n_ctx(ctx);
+
+    // out of user input, sample next token
+    const float   temp            = params.temp;
+    const int32_t top_k           = params.top_k <= 0 ? llama_n_vocab(ctx) : params.top_k;
+    const float   top_p           = params.top_p;
+    const float   tfs_z           = params.tfs_z;
+    const float   typical_p       = params.typical_p;
+    // const int32_t repeat_last_n   = params.repeat_last_n < 0 ? n_ctx : params.repeat_last_n;
+    // const float   repeat_penalty  = params.repeat_penalty;
+    // const float   alpha_presence  = params.presence_penalty;
+    // const float   alpha_frequency = params.frequency_penalty;
+    const int     mirostat        = params.mirostat;
+    const float   mirostat_tau    = params.mirostat_tau;
+    const float   mirostat_eta    = params.mirostat_eta;
+    // const bool    penalize_nl     = params.penalize_nl;
+
+    llama_token id = 0;
+    {
+        auto logits  = llama_get_logits(ctx);
+        auto n_vocab = llama_n_vocab(ctx);
+
+        // Apply params.logit_bias map
+        for (auto it = params.logit_bias.begin(); it != params.logit_bias.end(); it++) {
+            logits[it->first] += it->second;
+        }
+
+        std::vector<llama_token_data> candidates;
+        candidates.reserve(n_vocab);
+        for (llama_token token_id = 0; token_id < n_vocab; token_id++) {
+            candidates.emplace_back(llama_token_data{token_id, logits[token_id], 0.0f});
+        }
+
+        llama_token_data_array candidates_p = { candidates.data(), candidates.size(), false };
+
+        // TODO: Apply penalties
+        // float nl_logit = logits[llama_token_nl()];
+        // auto last_n_repeat = std::min(std::min((int)last_n_tokens.size(), repeat_last_n), n_ctx);
+        // llama_sample_repetition_penalty(ctx, &candidates_p,
+        //      last_n_tokens.data() + last_n_tokens.size() - last_n_repeat,
+        //      last_n_repeat, repeat_penalty);
+        // llama_sample_frequency_and_presence_penalties(ctx, &candidates_p,
+        // last_n_tokens.data() + last_n_tokens.size() - last_n_repeat,
+        // last_n_repeat, alpha_frequency, alpha_presence);
+        // if (!penalize_nl) {
+        //     logits[llama_token_nl()] = nl_logit;
+        // }
+
+        if (temp <= 0) {
+            // Greedy sampling
+            id = llama_sample_token_greedy(ctx, &candidates_p);
+        } else {
+            if (mirostat == 1) {
+                static float mirostat_mu = 2.0f * mirostat_tau;
+                const int mirostat_m = 100;
+                llama_sample_temperature(ctx, &candidates_p, temp);
+                id = llama_sample_token_mirostat(ctx, &candidates_p, mirostat_tau, mirostat_eta, mirostat_m, &mirostat_mu);
+            } else if (mirostat == 2) {
+                static float mirostat_mu = 2.0f * mirostat_tau;
+                llama_sample_temperature(ctx, &candidates_p, temp);
+                id = llama_sample_token_mirostat_v2(ctx, &candidates_p, mirostat_tau, mirostat_eta, &mirostat_mu);
+            } else {
+                // Temperature sampling
+                llama_sample_top_k(ctx, &candidates_p, top_k, 1);
+                llama_sample_tail_free(ctx, &candidates_p, tfs_z, 1);
+                llama_sample_typical(ctx, &candidates_p, typical_p, 1);
+                llama_sample_top_p(ctx, &candidates_p, top_p, 1);
+                llama_sample_temperature(ctx, &candidates_p, temp);
+                id = llama_sample_token(ctx, &candidates_p);
+            }
+        }
+    }
+
+    return id;
+}
+
+const char * sampling(struct MyModel * mymodel) {
+    llama_context * ctx = mymodel->ctx;
+    int id = sampling_id(mymodel);
+    static std::string ret;
+    if (id == llama_token_eos()) {
+        ret = "</s>";
+    } else {
+        ret = llama_token_to_str(ctx, id);
+    }
+    eval_id(mymodel, id);
+    return ret.c_str();
+}
+
+}

examples/embd-input/embd-input-test.cpp

@@ -0,0 +1,35 @@
+#include "embd-input.h"
+#include <stdlib.h>
+#include <random>
+#include <string.h>
+
+int main(int argc, char** argv) {
+
+    auto mymodel = create_mymodel(argc, argv);
+    int N = 10;
+    int max_tgt_len = 500;
+    int n_embd = llama_n_embd(mymodel->ctx);
+
+    // add random float embd to test evaluation
+    float * data = new float[N*n_embd];
+    std::default_random_engine e;
+    std::uniform_real_distribution<float>  u(0,1);
+    for (int i=0;i<N*n_embd;i++) {
+        data[i] = u(e);
+    }
+
+    eval_string(mymodel, "user: what is the color of the flag of UN?");
+    eval_float(mymodel, data, N);
+    eval_string(mymodel, "assistant:");
+    eval_string(mymodel, mymodel->params.prompt.c_str());
+    const char* tmp;
+    for (int i=0; i<max_tgt_len; i++) {
+        tmp = sampling(mymodel);
+        if (strcmp(tmp, "</s>")==0) break;
+        printf("%s", tmp);
+        fflush(stdout);
+    }
+    printf("\n");
+    free_mymodel(mymodel);
+    return 0;
+}

examples/embd-input/embd-input.h

@@ -0,0 +1,28 @@
+#ifndef _EMBD_INPUT_H_
+#define _EMBD_INPUT_H_ 1
+
+#include "common.h"
+#include "llama.h"
+#include "build-info.h"
+
+extern "C" {
+
+typedef struct MyModel {
+    llama_context* ctx;
+    gpt_params params;
+    int n_past = 0;
+} MyModel;
+
+struct MyModel* create_mymodel(int argc, char ** argv);
+
+bool eval_float(void* model, float* input, int N);
+bool eval_tokens(void* model, std::vector<llama_token> tokens);
+bool eval_id(struct MyModel* mymodel, int id);
+bool eval_string(struct MyModel* mymodel, const char* str);
+const char * sampling(struct MyModel* mymodel);
+llama_token sampling_id(struct MyModel* mymodel);
+void free_mymodel(struct MyModel* mymodel);
+
+}
+
+#endif

examples/embd-input/embd_input.py

@@ -0,0 +1,71 @@
+import ctypes
+from ctypes import cdll, c_char_p, c_void_p, POINTER, c_float, c_int
+import numpy as np
+import os
+
+libc = cdll.LoadLibrary("./libembdinput.so")
+libc.sampling.restype=c_char_p
+libc.create_mymodel.restype=c_void_p
+libc.eval_string.argtypes=[c_void_p, c_char_p]
+libc.sampling.argtypes=[c_void_p]
+libc.eval_float.argtypes=[c_void_p, POINTER(c_float), c_int]
+
+
+class MyModel:
+    def __init__(self, args):
+        argc = len(args)
+        c_str = [c_char_p(i.encode()) for i in args]
+        args_c = (c_char_p * argc)(*c_str)
+        self.model = c_void_p(libc.create_mymodel(argc, args_c))
+        self.max_tgt_len = 512
+        self.print_string_eval = True
+
+    def __del__(self):
+        libc.free_mymodel(self.model)
+
+    def eval_float(self, x):
+        libc.eval_float(self.model, x.astype(np.float32).ctypes.data_as(POINTER(c_float)), x.shape[1])
+
+    def eval_string(self, x):
+        libc.eval_string(self.model, x.encode()) # c_char_p(x.encode()))
+        if self.print_string_eval:
+            print(x)
+
+    def eval_token(self, x):
+        libc.eval_id(self.model, x)
+
+    def sampling(self):
+        s = libc.sampling(self.model)
+        return s
+
+    def stream_generate(self, end="</s>"):
+        ret = b""
+        end = end.encode()
+        for _ in range(self.max_tgt_len):
+            tmp = self.sampling()
+            ret += tmp
+            yield tmp
+            if ret.endswith(end):
+                break
+
+    def generate_with_print(self, end="</s>"):
+        ret = b""
+        for i in self.stream_generate(end=end):
+            ret += i
+            print(i.decode(errors="replace"), end="", flush=True)
+        print("")
+        return ret.decode(errors="replace")
+
+
+    def generate(self, end="</s>"):
+        text = b"".join(self.stream_generate(end=end))
+        return text.decode(errors="replace")
+
+if __name__ == "__main__":
+    model = MyModel(["main", "--model", "../llama.cpp/models/ggml-vic13b-q4_1.bin", "-c", "2048"])
+    model.eval_string("""user: what is the color of the flag of UN?""")
+    x = np.random.random((5120,10))# , dtype=np.float32)
+    model.eval_float(x)
+    model.eval_string("""assistant:""")
+    for i in model.generate():
+        print(i.decode(errors="replace"), end="", flush=True)

examples/embd-input/llava.py

@@ -0,0 +1,70 @@
+import sys
+import os
+sys.path.insert(0, os.path.dirname(__file__))
+from embd_input import MyModel
+import numpy as np
+from torch import nn
+import torch
+from transformers import CLIPVisionModel,  CLIPImageProcessor
+from PIL import Image
+
+# model parameters from 'liuhaotian/LLaVA-13b-delta-v1-1'
+vision_tower = "openai/clip-vit-large-patch14"
+select_hidden_state_layer = -2
+# (vision_config.image_size // vision_config.patch_size) ** 2
+image_token_len = (224//14)**2
+
+class Llava:
+    def __init__(self, args):
+        self.image_processor = CLIPImageProcessor.from_pretrained(vision_tower)
+        self.vision_tower = CLIPVisionModel.from_pretrained(vision_tower)
+        self.mm_projector = nn.Linear(1024, 5120)
+        self.model = MyModel(["main", *args])
+
+    def load_projection(self, path):
+        state = torch.load(path)
+        self.mm_projector.load_state_dict({
+            "weight": state["model.mm_projector.weight"],
+            "bias": state["model.mm_projector.bias"]})
+
+    def chat(self, question):
+        self.model.eval_string("user: ")
+        self.model.eval_string(question)
+        self.model.eval_string("\nassistant: ")
+        return self.model.generate_with_print()
+
+    def chat_with_image(self, image, question):
+        with torch.no_grad():
+            embd_image = self.image_processor.preprocess(image, return_tensors='pt')['pixel_values'][0]
+            image_forward_out = self.vision_tower(embd_image.unsqueeze(0), output_hidden_states=True)
+            select_hidden_state = image_forward_out.hidden_states[select_hidden_state_layer]
+            image_feature = select_hidden_state[:, 1:]
+            embd_image = self.mm_projector(image_feature)
+            embd_image = embd_image.cpu().numpy()[0]
+        self.model.eval_string("user: ")
+        self.model.eval_token(32003-2) # im_start
+        self.model.eval_float(embd_image.T)
+        for i in range(image_token_len-embd_image.shape[0]):
+            self.model.eval_token(32003-3) # im_patch
+        self.model.eval_token(32003-1) # im_end
+        self.model.eval_string(question)
+        self.model.eval_string("\nassistant: ")
+        return self.model.generate_with_print()
+
+
+if __name__=="__main__":
+    # model form liuhaotian/LLaVA-13b-delta-v1-1
+    a = Llava(["--model", "./models/ggml-llava-13b-v1.1.bin", "-c", "2048"])
+    # Extract from https://huggingface.co/liuhaotian/LLaVA-13b-delta-v1-1/blob/main/pytorch_model-00003-of-00003.bin.
+    # Also here can use pytorch_model-00003-of-00003.bin directly.
+    a.load_projection(os.path.join(
+        os.path.dirname(__file__) ,
+        "llava_projetion.pth"))
+    respose = a.chat_with_image(
+        Image.open("./media/llama1-logo.png").convert('RGB'),
+        "what is the text in the picture?")
+    respose
+    a.chat("what is the color of it?")
+
+
+

examples/embd-input/minigpt4.py

@@ -0,0 +1,128 @@
+import sys
+import os
+sys.path.insert(0, os.path.dirname(__file__))
+from embd_input import MyModel
+import numpy as np
+from torch import nn
+import torch
+from PIL import Image
+
+minigpt4_path = os.path.join(os.path.dirname(__file__), "MiniGPT-4")
+sys.path.insert(0, minigpt4_path)
+from minigpt4.models.blip2 import Blip2Base
+from minigpt4.processors.blip_processors import Blip2ImageEvalProcessor
+
+
+class MiniGPT4(Blip2Base):
+    """
+    MiniGPT4 model from https://github.com/Vision-CAIR/MiniGPT-4
+    """
+    def __init__(self,
+        args,
+        vit_model="eva_clip_g",
+        q_former_model="https://storage.googleapis.com/sfr-vision-language-research/LAVIS/models/BLIP2/blip2_pretrained_flant5xxl.pth",
+        img_size=224,
+        drop_path_rate=0,
+        use_grad_checkpoint=False,
+        vit_precision="fp32",
+        freeze_vit=True,
+        freeze_qformer=True,
+        num_query_token=32,
+        llama_model="",
+        prompt_path="",
+        prompt_template="",
+        max_txt_len=32,
+        end_sym='\n',
+        low_resource=False,  # use 8 bit and put vit in cpu
+        device_8bit=0
+    ):
+        super().__init__()
+        self.img_size = img_size
+        self.low_resource = low_resource
+        self.preprocessor = Blip2ImageEvalProcessor(img_size)
+
+        print('Loading VIT')
+        self.visual_encoder, self.ln_vision = self.init_vision_encoder(
+            vit_model, img_size, drop_path_rate, use_grad_checkpoint, vit_precision
+        )
+        print('Loading VIT Done')
+        print('Loading Q-Former')
+        self.Qformer, self.query_tokens = self.init_Qformer(
+            num_query_token, self.visual_encoder.num_features
+        )
+        self.Qformer.cls = None
+        self.Qformer.bert.embeddings.word_embeddings = None
+        self.Qformer.bert.embeddings.position_embeddings = None
+        for layer in self.Qformer.bert.encoder.layer:
+            layer.output = None
+            layer.intermediate = None
+        self.load_from_pretrained(url_or_filename=q_former_model)
+        print('Loading Q-Former Done')
+        self.llama_proj = nn.Linear(
+            self.Qformer.config.hidden_size, 5120 # self.llama_model.config.hidden_size
+        )
+        self.max_txt_len = max_txt_len
+        self.end_sym = end_sym
+        self.model = MyModel(["main", *args])
+        # system promt
+        self.model.eval_string("Give the following image: <Img>ImageContent</Img>. "
+           "You will be able to see the image once I provide it to you. Please answer my questions."
+           "###")
+
+    def encode_img(self, image):
+        image = self.preprocessor(image)
+        image = image.unsqueeze(0)
+        device = image.device
+        if self.low_resource:
+            self.vit_to_cpu()
+            image = image.to("cpu")
+
+        with self.maybe_autocast():
+            image_embeds = self.ln_vision(self.visual_encoder(image)).to(device)
+            image_atts = torch.ones(image_embeds.size()[:-1], dtype=torch.long).to(device)
+
+            query_tokens = self.query_tokens.expand(image_embeds.shape[0], -1, -1)
+            query_output = self.Qformer.bert(
+                query_embeds=query_tokens,
+                encoder_hidden_states=image_embeds,
+                encoder_attention_mask=image_atts,
+                return_dict=True,
+            )
+
+            inputs_llama = self.llama_proj(query_output.last_hidden_state)
+            # atts_llama = torch.ones(inputs_llama.size()[:-1], dtype=torch.long).to(image.device)
+        return inputs_llama
+
+    def load_projection(self, path):
+        state = torch.load(path)["model"]
+        self.llama_proj.load_state_dict({
+            "weight": state["llama_proj.weight"],
+            "bias": state["llama_proj.bias"]})
+
+    def chat(self, question):
+        self.model.eval_string("Human: ")
+        self.model.eval_string(question)
+        self.model.eval_string("\n### Assistant:")
+        return self.model.generate_with_print(end="###")
+
+    def chat_with_image(self, image, question):
+        with torch.no_grad():
+            embd_image = self.encode_img(image)
+        embd_image = embd_image.cpu().numpy()[0]
+        self.model.eval_string("Human: <Img>")
+        self.model.eval_float(embd_image.T)
+        self.model.eval_string("</Img> ")
+        self.model.eval_string(question)
+        self.model.eval_string("\n### Assistant:")
+        return self.model.generate_with_print(end="###")
+
+
+if __name__=="__main__":
+    a = MiniGPT4(["--model", "./models/ggml-vicuna-13b-v0-q4_1.bin", "-c", "2048"])
+    a.load_projection(os.path.join(
+        os.path.dirname(__file__) ,
+        "pretrained_minigpt4.pth"))
+    respose = a.chat_with_image(
+        Image.open("./media/llama1-logo.png").convert('RGB'),
+        "what is the text in the picture?")
+    a.chat("what is the color of it?")

examples/embd-input/panda_gpt.py

@@ -0,0 +1,98 @@
+import sys
+import os
+sys.path.insert(0, os.path.dirname(__file__))
+from embd_input import MyModel
+import numpy as np
+from torch import nn
+import torch
+
+# use PandaGPT path
+panda_gpt_path = os.path.join(os.path.dirname(__file__), "PandaGPT")
+imagebind_ckpt_path = "./models/panda_gpt/"
+
+sys.path.insert(0, os.path.join(panda_gpt_path,"code","model"))
+from ImageBind.models import imagebind_model
+from ImageBind import data
+
+ModalityType = imagebind_model.ModalityType
+max_tgt_len = 400
+
+class PandaGPT:
+    def __init__(self, args):
+        self.visual_encoder,_ = imagebind_model.imagebind_huge(pretrained=True, store_path=imagebind_ckpt_path)
+        self.visual_encoder.eval()
+        self.llama_proj = nn.Linear(1024, 5120) # self.visual_hidden_size, 5120)
+        self.max_tgt_len = max_tgt_len
+        self.model = MyModel(["main", *args])
+        self.generated_text = ""
+        self.device = "cpu"
+
+    def load_projection(self, path):
+        state = torch.load(path, map_location="cpu")
+        self.llama_proj.load_state_dict({
+            "weight": state["llama_proj.weight"],
+            "bias": state["llama_proj.bias"]})
+
+    def eval_inputs(self, inputs):
+        self.model.eval_string("<Img>")
+        embds = self.extract_multimoal_feature(inputs)
+        for i in embds:
+            self.model.eval_float(i.T)
+        self.model.eval_string("</Img> ")
+
+    def chat(self, question):
+        return self.chat_with_image(None, question)
+
+    def chat_with_image(self, inputs, question):
+        if self.generated_text == "":
+            self.model.eval_string("###")
+        self.model.eval_string(" Human: ")
+        if inputs:
+            self.eval_inputs(inputs)
+        self.model.eval_string(question)
+        self.model.eval_string("\n### Assistant:")
+        ret = self.model.generate_with_print(end="###")
+        self.generated_text += ret
+        return ret
+
+    def extract_multimoal_feature(self, inputs):
+        features = []
+        for key in ["image", "audio", "video", "thermal"]:
+            if key + "_paths" in inputs:
+                embeds = self.encode_data(key, inputs[key+"_paths"])
+                features.append(embeds)
+        return features
+
+    def encode_data(self, data_type, data_paths):
+
+        type_map = {
+            "image": ModalityType.VISION,
+            "audio": ModalityType.AUDIO,
+            "video": ModalityType.VISION,
+            "thermal": ModalityType.THERMAL,
+        }
+        load_map = {
+            "image": data.load_and_transform_vision_data,
+            "audio": data.load_and_transform_audio_data,
+            "video": data.load_and_transform_video_data,
+            "thermal": data.load_and_transform_thermal_data
+        }
+
+        load_function = load_map[data_type]
+        key = type_map[data_type]
+
+        inputs = {key: load_function(data_paths, self.device)}
+        with torch.no_grad():
+            embeddings = self.visual_encoder(inputs)
+            embeds = embeddings[key]
+            embeds = self.llama_proj(embeds).cpu().numpy()
+        return embeds
+
+
+if __name__=="__main__":
+    a = PandaGPT(["--model", "./models/ggml-vicuna-13b-v0-q4_1.bin", "-c", "2048", "--lora", "./models/panda_gpt/ggml-adapter-model.bin","--temp", "0"])
+    a.load_projection("./models/panda_gpt/adapter_model.bin")
+    a.chat_with_image(
+        {"image_paths": ["./media/llama1-logo.png"]},
+        "what is the text in the picture? 'llama' or 'lambda'?")
+    a.chat("what is the color of it?")