Variable length cache fill

Details Variable length cache fill Variable length cache fill

1988-10-28

1991-02-19

Eng, David Y.

Boots, shoes, and leggings

364243, 3642434, 36424341, G06F 1300

Patent

active

049949624

ABSTRACT:
A method and apparatus for selectively filling a cache memory with a variable number of data words in response to the size and type of data transfer requested by the processor associated with the cache. According to the present invention a cache fill of either 16 or 64 bytes are provided. If there is a cache miss and an 8 byte word data transfer as requested, the larger fill is provided, similarly, if the 8 byte word data transfer is not requested, the shorter block of data is provided, resulting in enhanced performance over a fixed length cache fill.

REFERENCES:
patent: 4189770 (1980-02-01), Gannon et al.
patent: 4315312 (1982-02-01), Schmidt
patent: 4503501 (1985-03-01), Coulson et al.
patent: 4586130 (1986-04-01), Butts et al.
patent: 4603380 (1986-07-01), Easton et al.
patent: 4654782 (1987-03-01), Bannai et al.
patent: 4780808 (1988-10-01), Moreno

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