NDLI: A tag-based cache replacement

Content Provider	IEEE Xplore Digital Library
Author	Chuanjun Zhang Bing Xue
Copyright Year	2010
Description	Author affiliation: Computer Science Electrical Engineering Department, University of Missouri-Kansas City, USA (Chuanjun Zhang; Bing Xue)
Abstract	Conventional cache replacement policies use access information of each cache block for replacement decisions. We observe that there are many identical tags across different cache sets because programs exhibit spatial locality. The number of different tags in cache memory is significantly less than the total number of cache blocks in a cache. We propose a tag-based replacement that uses access frequency and recency of tags instead of cache blocks for the replacement decision. The tag-based replacement reduces the average miss rate of the baseline 1MB L2 cache by 15% over conventional LRU with 95% status bits reduction over conventional LRU. The performance improvement of a processor using the tag-based replacement is up to 40% with an average of 4.5% over LRU.
Starting Page	92
Ending Page	97
File Size	757098
Page Count	6
File Format	PDF
ISBN	9781424489367
ISSN	10636404
e-ISBN	9781424489374
DOI	10.1109/ICCD.2010.5647602
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-03
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Benchmark testing Radiation detectors Hardware Art Indexes Cache memory Frequency conversion
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Hardware and Architecture

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