Darsh Asher

CacheFit: The Rising Cost of Cache Replacement and Constraint-Driven Redesign of Last-Level Cache Replacement Policies

The latency, power, and area costs of LLC replacement remain poorly explored not because simulators cannot be instrumented--event counters feeding a power model are routine--but because no cost model takes a replacement policy as input. CACTI and McPAT price regular structures, a cache or a core, not the small, oddly s...