Apparatus and method for selective cache clearing in a data...

Details Apparatus and method for selective cache clearing in a data... Apparatus and method for selective cache clearing in a data...

G - Physics

11

C

354/237, 354/241

G11C 7/00 (2006.01) G06F 12/08 (2006.01) G06F 13/00 (2006.01) G11C 8/02 (2006.01)

Patent

CA 1173565

ABSTRACT In a cache memory unit including a cache directory identifying signal groups stored in an associated cache storage unit, apparatus and method for searching the cache directory during a second portion of the cache memory cycle when the cache directory is not needed for normal operation, to determine if an invalid signal group is stored in the associated cache storage. When an invalid signal group is found in the cache storage, this signal group is rendered unavailable to the data processing unit during the succeeding cache memory cycle without interrupting the normal cache memory operation. 520294

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