Re-configurable block length cache

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364DIG1, 36424342, 364245, 36523003, G06F 1200, G06F 1206, G11C 800

Patent

active

052573605

ABSTRACT:
A cache organizational signal ("CORG signal") selects between cache organizations. A cache organization is chosen according to the speed of the main memory that is paired with the cache to handle different size blocks of instructions. When the CORG signal organizes the cache to handle blocks having few instructions per block, many blocks are present and a higher hit rate occurs, which works well with a fast main memory. When the CORG signal organizes the cache to handle blocks having more instructions per block, fewer blocks are present, a lower hit rate occurs, and processor idle cycles decrease, which works well with a slower main memory.

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