Sequential cache management system utilizing the establishment o

Details Sequential cache management system utilizing the establishment o Sequential cache management system utilizing the establishment o

1995-09-05

1998-01-06

Asta, Frank J.

Boots, shoes, and leggings

395445, 395446, 395460, 395463, 395486, 364DIG1, G06F 1300

Patent

active

057064679

ABSTRACT:
A shared system memory buffers data transfers between a plurality of host computers and a plurality of data storage devices. Management of the system memory includes establishing a replacement queue to facilitate performance. When a sequential operation is to be performed, the average fall through time of the data elements in the replacement queue is compared to a constant to determine the stress on the cache. If the cache is stressed, cache management establishes a microcache within the replacement cache. The microcache is used to stage data elements for the sequential operations and replaces data elements on a least recently used basis.

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