Method and system for updating data in a compressed read cache

Details Method and system for updating data in a compressed read cache Method and system for updating data in a compressed read cache

2005-02-15

2005-02-15

Sparks, Donald (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S133000, C711S134000, C711S136000, C711S142000, C711S143000, C707S793000, C707S793000

Reexamination Certificate

active

06857045

ABSTRACT:
In a first aspect, a method is provided for updating a compressed cache. The method includes the steps of (1) initiating an update routine for replacing first data stored within the cache with second data, wherein a first section of a compressed data band stored in the cache includes the first data and a second section of the compressed data band includes third data; and (2) in response to initiating the update routine, replacing the first data within the compressed data band with the second data without decompressing the third data. Numerous other aspects are provided.

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