Techniques for providing improved affinity scheduling in a...

Details Techniques for providing improved affinity scheduling in a... Techniques for providing improved affinity scheduling in a...

2005-03-21

2011-11-01

An, Meng (Department: 2195)

Electrical computers and digital processing systems: virtual mac

Task management or control

Process scheduling

C718S100000, C711S147000

Reexamination Certificate

active

08051418

ABSTRACT:
Techniques for controlling a thread on a computerized system having multiple processors involve accessing state information of a blocked thread, and maintaining the state information of the blocked thread at current values when the state information indicates that less than a predetermined amount of time has elapsed since the blocked thread ran on the computerized system. Such techniques further involve setting the state information of the blocked thread to identify affinity for a particular processor of the multiple processors when the state information indicates that at least the predetermined amount of time has elapsed since the blocked thread ran on the computerized system. Such operation enables the system to place a cold blocked thread which shares data with another thread on the same processor of that other thread so that, when the blocked thread awakens and runs, that thread is closer to the shared data.

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