Abstract

This work proposes a re-usability aware fault remapping scheme for multicore NUCA cache. It replicates data in non-reusable blocks to ensure full error coverage and minimum latency, by forming dynamic remapping clusters around the home tiles. Simulations in Multi2Sim 5.0 claim up to 18.64% increase in hit ratio and 20.79% decrease in latency in last-level cache over the existing techniques with 3.17% area, 5.35% leakage power and 3.34% dynamic power overheads.

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