Snoop cache memory control system and method

Details Snoop cache memory control system and method Snoop cache memory control system and method

1997-01-03

1999-06-15

Chan, Eddie P.

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

711144, 711145, 711141, G06F 1200

Patent

active

059132264

ABSTRACT:
To implement a system minimizing access to the shared memory, the previous owner number storage module contains the number of a cache memory or the shared memory which was the previous owner of data. When the cache control module expels a copy of data from the snoop cache memory module, it references the previous owner number storage module and, if it contains the number of a cache memory, passes the ownership to the snoop cache memory module with that number.

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Archibald, James and Baer, Jean-Loup, "Cache Coherence Protocols: Evaluation Using a Multiprocessor Simulation Model", Nov. 1986, ACM Transactions on Computer Systems, vol. 4, No. 4, pp. 273-298.
Jim Handy, "The Cache Memory Book", Academic Press 1993, pp. 153-158.

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