Method and system for optimizing processor performance by...

Details Method and system for optimizing processor performance by... Method and system for optimizing processor performance by...

2008-09-24

2011-12-27

Shah, Sanjiv (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S118000

Reexamination Certificate

active

08086804

ABSTRACT:
A method for pre-fetching data. The method includes obtaining a pre-fetch request. The pre-fetch request identifies new data to pre-fetch from memory and store in a cache. The method further includes identifying a set in the cache to store the new data and identifying a value of a hotness indicator for the set. The hotness indicator value defines a number of replacements of at least one line in the set. The method further includes determining whether the value of the hotness indicator exceeds a predefined threshold, and storing the new data in the set when the value of the hotness indicator does not exceed the pre-defined threshold.

REFERENCES:
patent: 7526616 (2009-04-01), Dimpsey et al.
patent: 2005/0114606 (2005-05-01), Matick et al.
SearchDataCenter.com, “multi-core processor” Oct. 14, 2004 http://searchdatacenter.techtarget.com/definition/multi-core-processor.

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