Impact of parameter accuracy on 3D design
Simulator accuracy is an important, but seldom examined, part of study on 3D integration. This paper examines inaccurate technology parameters as a source of error for the CACTI and PRACTICS cache simulation tools. By replacing the default parameters with ones derived from information made available in the literature, CACTI simulation error for the 90nm Itanium2 L3 cache is eliminated almost entirely. We evaluate the effect of this change in technology parameters on 3D design by comparing simulations that use the default parameter values to those using the newly derived ones.