Process affinity scheduling method and apparatus

Details Process affinity scheduling method and apparatus Process affinity scheduling method and apparatus

1992-02-18

1994-05-31

Kriess, Kevin A.

Boots, shoes, and leggings

395425, 364DIG1, 36424341, 3642434, 36424344, 364243, 3642283, G06F 1208

Patent

active

053177380

ABSTRACT:
Process migration is controlled in multiple processor system by a circuit providing a rapid lookup to see if an available process has any affinity for the top N entries on the system run queue. If the currently available processor has an affinity for, i.e. has one or more lines of operands and/or instructions stored in its local cache related to the process, then the processor selects the process it has affinity for from the top N processes on the run queue. In this manner, unnecessary replacements of cache lines with data from main memory is reduced.

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