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4.17 OMP_WAIT_POLICY – How waiting threads are handled

Description:

Specifies whether waiting threads should be active or passive. If the value is PASSIVE, waiting threads should not consume CPU power while waiting; while the value is ACTIVE specifies that they should. If undefined, threads wait actively for a short time before waiting passively.

See also:

GOMP_SPINCOUNT – Set the busy-wait spin count

Reference:

OpenMP specification v4.5, Section 4.8