Position-based replacement policy for address synonym management in shared caches

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United States of America Patent

PATENT NO 9477613
APP PUB NO 20160239434A1
SERIAL NO

14621454

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Abstract

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A computer-implemented method includes receiving a request to access a cache entry in a shared cache. The request references a synonym for the cache entry. A cache directory of the shared cache includes, for each cache entry of the shared cache, a first-ranked synonym slot for storing a most recently used synonym for the cache entry and a second-ranked synonym slot for storing a second most recently used synonym for the cache entry. The method includes, based on receiving the request, writing contents of the first-ranked synonym slot for the cache entry to the second-ranked synonym slot for the cache entry, and writing the synonym referenced in the request to the first-ranked synonym slot for the cache entry.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berger, Deanna Postles Dunn Poughkeepsie, US 32 56
Fee, Michael F Cold Spring, US 41 149
O'Neil,, Jr Arthur J Poughkeepsie, US 1 8
Sonnelitter,, III Robert J Wappingers Falls, US 80 375

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