System and method for sequential detection in a cache management

Details System and method for sequential detection in a cache management System and method for sequential detection in a cache management

1995-08-29

1999-02-02

Swann, Tod R.

395464, G06F 1208

Patent

active

058676856

ABSTRACT:
A cache management system and method for detecting sequentiality in a series of memory accesses by a host system to data stored in tracks on a storage device is disclosed. The system includes a system memory for storing a data structure associated with each track. Each data structure includes a last sector/record referenced information field and a state information field. A cache controller identifies a current track and a location within the current track of a record referenced in a current memory access. The cache controller determines whether the current memory access and the previous M (M.gtoreq.1) accesses to records in the current track are in sequence based on the values of the last sector/record referenced information field and the state information field associated with the current track.

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