Multiprocessor system, memory managing system therefor, and...

Details Multiprocessor system, memory managing system therefor, and... Multiprocessor system, memory managing system therefor, and...

G - Physics

06

F

G06F 15/16 (2006.01) G06F 3/14 (2006.01) G06F 12/02 (2006.01) G06T 1/20 (2006.01)

Patent

CA 2073540

JA9-91-522 MULTIPROCESSOR SYSTEM, MEMORY MANAGING SYSTEM THEREFOR, AND GRAPHICS DISPLAY SYSTEM USING THE MULTIPROCESSOR SYSTEM ABSTRACT To provide a snapshot at an arbitrary point of time in a data set, a set which is sequentially renewed by a series of data having a sequentiality to a plurality of element processors, and, to execute instructions for the snapshot in parallel and efficiently, a plurality of memories, for example, triple memories that can be selectively locked, are provided inside of each element processor to obtain a data set snapshot at an arbitrary time at high speed. One memory among the assumed triple memories, the master memory, is used to store the newest values, and, one of the remaining two memories, (slave memories), is locked at an arbitrary time to obtain a snapshot. The unlocked slave memory is made to have the same value as the master memory. When the next snapshot is needed, that unlocked slave memory is locked while the earlier locked slave memory is unlocked and made to have the same value as the master memory.

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