4.20 OMP_WAIT_POLICY – How waiting threads are handled


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


OpenMP specification v4.5, Section 4.8