System and method for improved collection of software...

Details System and method for improved collection of software... System and method for improved collection of software...

2004-02-02

2008-03-25

Bataille, Pierre-Michel (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S145000, C711S144000, C711S167000, C713S001000

Reexamination Certificate

active

07350025

ABSTRACT:
The present invention is directed to a system and method for improved collection of application profile data for performance optimization. The invention provides a mechanism for storing usage bits within the hardware cache of a computing device. These usage bits provide profile data by tracking the memory usage data. In one embodiment, the present invention also provides usage bits for each level of a multi-stage hardware cache to provide multi-stage usage tracking.

REFERENCES:
patent: 5740406 (1998-04-01), Rosenthal et al.
patent: 6014728 (2000-01-01), Baror
patent: 6338120 (2002-01-01), Hanley
patent: 2003/0046493 (2003-03-01), Coulson
patent: 2005/0086437 (2005-04-01), Modha
“Usage Dependent Cache Replacement by Ring Partitioned Groupings”, IBM Technical Disclosure Bulletin, Jun. 1972.

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