Cache replacement policy to mitigate pollution in multicore...

Details Cache replacement policy to mitigate pollution in multicore... Cache replacement policy to mitigate pollution in multicore...

2006-03-28

2006-03-28

Portka, Gary (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S118000, C711S133000, C711S159000, C711S160000

Reexamination Certificate

active

07020748

ABSTRACT:
A method for identifying a least recently used cache entry in a cache. The method includes receiving a cache access request, determining whether the contents of the main memory address are present in the cache, associating, when the contents of the main memory address are not present in the cache, updating more significant bits of a pseudo least recently used pointer when the contents of the main memory address are not present in the cache, and updating more significant bits and less significant bits of the pseudo least recently used pointer when the contents of the main memory address are present in the cache. The cache access request is associated with a main memory address. The memory address has a set within the cache and the set includes a plurality of ways.

REFERENCES:
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patent: 6378041 (2002-04-01), Tremblay
patent: 6643742 (2003-11-01), Vidwans et al.
patent: 6715035 (2004-03-01), Colglazier et al.
patent: 6823427 (2004-11-01), Sander et al.
“An Overview of the UltraSPARC© III Cu Processor—The UltraSPARC III Processor Moves to Copper Technology” Version 1.1, Sun Microsystems, Inc. Jun. 2002.

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