Predictive historical cache memory

Details Predictive historical cache memory Predictive historical cache memory

1990-11-29

1994-02-08

Bowler, Alyssa H.

Boots, shoes, and leggings

395650, 364DIG1, G06F 1200, G06F 1310

Patent

active

052855279

ABSTRACT:
A cache memory functioning as a circular buffer for use as a part historical, part predictive cache memory is provided. A first register contains data having a value corresponding to a cache memory location of a last instruction executed by a processor and a second register contains data having a value corresponding to a memory location in the cache memory of a last prefetched instruction. Prefetching of instructions from a main memory to the cache memory is disabled if the difference between the values in the first and second pointer registers exceeds a predetermined amount.

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