Variable cache data retention system

Details Variable cache data retention system Variable cache data retention system

2008-05-20

2008-05-20

Elmore, Stephen C (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S134000, C711S156000, C711S159000, C711S221000

Reexamination Certificate

active

07376792

ABSTRACT:
A customizable cache discard policy is provided which reduces adverse consequences of conventional discard policies. In a data processing system, a cache controller invokes a cache data discard policy as the cache approaches its capacity. Using one possible policy, data having the shortest retrieval (fetch) time is discarded before data having longer retrieval times. In an alternative policy, data may be discarded based upon its source. Weightings may be applied based upon the distance from each source to the cache, may be based upon priorities assigned to each source, or may be based upon the type of each source.

REFERENCES:
patent: 5787471 (1998-07-01), Inoue et al.
patent: 5943687 (1999-08-01), Liedberg
patent: 6272598 (2001-08-01), Arlitt et al.
patent: 6408362 (2002-06-01), Arimilli et al.
patent: 6742084 (2004-05-01), Defouw et al.
patent: 6785770 (2004-08-01), Hoogerbrugge et al.
patent: 2002/0049889 (2002-04-01), Hoogerbrugge et al.

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