Partially inclusive snoop filter

Details Partially inclusive snoop filter Partially inclusive snoop filter

2005-10-25

2005-10-25

Verbrugge, Kevin (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S141000

Reexamination Certificate

active

06959364

ABSTRACT:
In some embodiments, the invention includes a snoop filter, wherein entries in the snoop filter are allocated in response to initial accesses of local cache lines by a remote node, but entries in the snoop filter are not allocated in response to accesses of the local cache lines by a local node. Other embodiments are described and claimed.

REFERENCES:
patent: 6088769 (2000-07-01), Luick et al.
patent: 6338122 (2002-01-01), Baumgartner et al.
patent: 6374331 (2002-04-01), Janakiraman et al.
patent: 6868481 (2005-03-01), Gaither et al.
patent: 6892282 (2005-05-01), Hass et al.
patent: 6895477 (2005-05-01), Hass et al.
patent: 0 817 074 (1998-01-01), None
patent: WO 01/29674 (2001-04-01), None
Scott et al., “Performance of Pruning-Cache Directories for Large-Scale Multiprocessors”, IEEE Transaction on Parallel and Distributed Systems, V. 4 N. 5. May 1, 1993, pps 520-534.
U.S. Appl. No., pending, 09/643,382, filed Aug. 21, 2000, to Khare et al.

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