G - Physics – 06 – F
Patent
G - Physics
06
F
354/230.73
G06F 9/26 (2006.01) G06F 9/38 (2006.01) G06F 12/08 (2006.01)
Patent
CA 1267442
ABSTRACT OF THE DISCLOSURE An information processing system includes a system memory, a processor and a cache for storing a copy of a subset of the information stored in the system memory and providing informa- tion therefrom to the processor means. The cache includes a cache memory connected from the system memory and to the processor for storing and providing the copies of the information contained in the subset and a write-merge unit for writing information from the processor to the system memory. The write merge unit is responsive to a memory write address referring to information con- tained in the copy of the subset residing in the cache memory for reading the corresponding information from the cache memory, merging the information to be written to the system memory and the corresponding information read from the cache memory, writing the merged information into the cache memory, and providing the merged information to the system memory. The invention provides a smoother flow of instructions and data than prior systems which increases the efficiency and overall speed of operation.
508360
Smart & Biggar
Wang Laboratories Inc.
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