Cache memory and method to maintain cache-coherence between...

Details Cache memory and method to maintain cache-coherence between... Cache memory and method to maintain cache-coherence between...

2004-11-30

2008-09-23

Lane, Jack A (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S122000, C711S141000

Reexamination Certificate

active

07428617

ABSTRACT:
A cache memory includes a first-level cache-memory unit that stores data; a second-level cache-memory unit that stores data that is same as the data stored in the first-level cache-memory unit; a storage unit that stores a part of information relating to the first-level cache-memory unit; and a coherence maintaining unit that maintains cache-coherence between the first-level cache-memory unit and the second-level cache-memory unit based on information stored in the storage unit.

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European Search Report, mailed Apr. 17, 2008 and issued in corresponding European Patent Application No. 04257443.4-1229.

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