AYUSH: A technique for extending lifetime of SRAM-NVM hybrid caches

Conference/Journal
IEEE
Authors
Sparsh Mittal Jeffrey S Vetter
BibTex
Abstract
Abstract: Recently, researchers have explored way-based hybrid SRAM-NVM (non-volatile memory) last level caches (LLCs) to bring the best of SRAM and NVM together. However, the limited write endurance of NVMs restricts the lifetime of these hybrid caches. We present AYUSH, a technique to enhance the lifetime of hybrid caches, which works by using data- migration to preferentially use SRAM for storing frequently-reused data. Microarchitectural simulations confirm that AYUSH achieves larger improvement in lifetime than a previous ...