G - Physics – 06 – F
Patent
G - Physics
06
F
354/233
G06F 12/08 (2006.01) G06F 15/16 (2006.01)
Patent
CA 1226959
ABSTRACT A cache coherence system for a multiprocessor system including a plurality of data processors coupled to a common main memory. Each of the data processors includes an associated cache memory having storage locations therein corresponding to storage locations in the main memory. The cache coherence system for a data processor includes a cache invalidate table (CIT) memory having internal storage locations corresponding to locations in the cache memory of the data processor. The cache coherence system detects when the contents of storage locations in the cache memories of the one or more of the data processors have been modified in con- juction with the activity those data processors and is responsive to such detections to generate and store in its CIT memory a multiple element linked list defining the locations in the cache memories of the data pro- cessors having modified contents. Each element of the list defines one of those cache storage locations and also identifies the location in the CIT memory of the next element in the list.
473957
Prime Computer Inc.
Riches Mckenzie & Herbert Llp
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