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Performance Analysis of Adaptive Partition Cache Replacement using Various Monitoring Ratios for Non-volatile Memory Systems

Title
Performance Analysis of Adaptive Partition Cache Replacement using Various Monitoring Ratios for Non-volatile Memory Systems
Authors
황상호곽종욱
Issue Date
2018-04
Citation
한국컴퓨터정보학회논문지, 23(4), 1-8
Type
Article
Keywords
Non-volatile memorycache replacement policyperformance analysiswritebackLRU
ISSN
1598-849X
Abstract
In this paper, we propose an adaptive partition cache replacement policy and evaluate the performance of our scheme using various monitoring ratios to help lifetime extension of non-volatile main memory systems without performance degradation. The proposal combines conventional LRU (Least Recently Used) replacement policy and Early Eviction Zone (E2Z), which considers a dirty bit as well as LRU bits to select a candidate block. In particular, this paper shows the performance of non-volatile memory using various monitoring ratios and determines optimized monitoring ratio and partition size of E2Z for reducing the number of writebacks using cache hit counter logic and hit predictor. In the experiment evaluation, we showed that 1:128 combination provided the best results of writebacks and runtime, in terms of performance and complexity trade-off relation, and our proposal yielded up to 42% reduction of writebacks, compared with others.
URI
http://hdl.handle.net/20.500.11750/6285
Publisher
한국컴퓨터정보학회
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