Boots – shoes – and leggings
Patent
1988-06-24
1990-04-10
Heckler, Thomas M.
Boots, shoes, and leggings
36424341, 3642426, 3642443, G06F 1208
Patent
active
049166042
ABSTRACT:
A cache storage apparatus used for a plurality of requestors includes a unit for detecting if consecutive requests by the same requestor have the same access line; a stack unit for storing access addresses to a cache storage unit for each requestor after a cache directory unit was searched; and a plurality of pipe lines allowing the service of plural and concurrent accesses to other than the cache directory unit. In the cache storage apparatus, if there are consecutive accesses to the same line from the same requestor, the access address to the cache storage unit for the succeeding request is not obtained by searching the cache directory unit, but the access address to the cache storage unit for the preceding request is read from the stack unit and used as the access address for the succeeding request. If there is an access request from another requestor while processing the succeeding request which does not require the search of the cache directory unit, the priviledge of using the cache directory unit is given to the access request by the other requestor to thereby allow concurrently processing a plurality of requests.
REFERENCES:
patent: 4208716 (1980-06-01), Porter et al.
patent: 4314331 (1982-02-01), Porter et al.
patent: 4517640 (1985-05-01), Hattori et al.
patent: 4523206 (1985-06-01), Sasscer
patent: 4525777 (1985-06-01), Webster et al.
Kubo Kanji
Yamamoto Akio
Heckler Thomas M.
Hitachi , Ltd.
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