Method of prefetching using a incrementing/decrementing counter

Details Method of prefetching using a incrementing/decrementing counter Method of prefetching using a incrementing/decrementing counter

2007-12-25

2007-12-25

Sparks, Donald (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S167000, C711S168000, C711S169000, C712S207000

Reexamination Certificate

active

10711792

ABSTRACT:
The present invention provides a pre-fetch controller and a method thereof for efficiently pre-fetching data from a memory device. The method includes initializing a counter value; fetching a data from the memory and subtracting the counter value by a first value when a pre-fetching is activated; adding a second value to the counter value when a cache hit occurs; comparing the counter value with a first threshold value; and when the counter value is smaller than the first threshold value, stopping pre-fetching the data from the memory.

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