Invention Grant
- Patent Title: Utility and lifetime based cache replacement policy
- Patent Title (中): 实用和基于生命周期的缓存替换策略
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Application No.: US13992240Application Date: 2011-12-23
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Publication No.: US09075746B2Publication Date: 2015-07-07
- Inventor: Nevin Hyuseinova , Qiong Cai , Serkan Ozdemir , Ayose J. Falcon
- Applicant: Nevin Hyuseinova , Qiong Cai , Serkan Ozdemir , Ayose J. Falcon
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Nicholson De Vos Webster & Elliott LLP
- International Application: PCT/US2011/067213 WO 20111223
- International Announcement: WO2013/095639 WO 20130627
- Main IPC: G06F12/12
- IPC: G06F12/12 ; G06F12/08 ; G06F13/16

Abstract:
Embodiments of the invention describe an apparatus, system and method for utilizing a utility and lifetime based cached replacement policy as described herein. For processors having one or more processor cores and a cache memory accessible via the processor core(s), embodiments of the invention describe a cache controller to determine, for a plurality of cache blocks in the cache memory, an estimated utility and lifetime of the contents of each cache block, the utility of a cache block to indicate a likelihood of use its contents, the lifetime of a cache block to indicate a duration of use of its contents. Upon receiving a cache access request resulting in a cache miss, said cache controller may select one of the cache blocks to be replaced based, at least in part, on one of the estimated utility or estimated lifetime of the cache block.
Public/Granted literature
- US20140089595A1 UTILITY AND LIFETIME BASED CACHE REPLACEMENT POLICY Public/Granted day:2014-03-27
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