Addressing Inter-set Write-Variation for Improving Lifetime of Non-Volatile Caches
Conference
·
OSTI ID:1118761
- ORNL
We propose a technique which minimizes inter-set write variation in NVM caches for improving its lifetime. Our technique uses cache coloring scheme to add a software-controlled mapping layer between groups of physical pages (called memory regions) and cache sets. Periodically, the number of writes to different colors of the cache is computed and based on this result, the mapping of a few colors is changed to channel the write traffic to least utilized cache colors. This change helps to achieve wear-leveling.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC05-00OR22725
- OSTI ID:
- 1118761
- Resource Relation:
- Conference: 5th Annual Non-Volatile Memories Workshop 2014, San Diego, CA, USA, 20140309, 20140309
- Country of Publication:
- United States
- Language:
- English
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