Mechanism to include hints within compressed data

Details Mechanism to include hints within compressed data Mechanism to include hints within compressed data

2007-01-09

2007-01-09

Elmore, Stephen C. (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S100000, C711S154000, C711S165000, C710S068000

Reexamination Certificate

active

10747474

ABSTRACT:
According to one embodiment a computer system is disclosed. The computer system includes a central processing unit (CPU), a cache memory coupled to the CPU and a cache controller coupled to the cache memory. The cache memory includes a plurality of compressible cache lines to store additional data. The cache controller includes compression logic to compress one or more of the plurality of cache lines into compressed cache lines, and hint logic to store hint information in unused space within the compressed cache lines.

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PCT Search Report, PCT/US2004/043673, mailed Dec. 14, 2005.
International Business Machines Corporation: “Cache system having ability to store compressed and uncompressed data lines”, Research Disclosure, Mason Publications, Hampshire, GB, vol. 454, No. 150, Feb. 2002.

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