1 1 3 Environment Variables 1 *********************** 1 1 The environment variables which beginning with 'OMP_' are defined by 1 section 4 of the OpenMP specification in version 4.5, while those 1 beginning with 'GOMP_' are GNU extensions. 1
1 · OMP_CANCELLATION Set whether cancellation is activated · OMP_DISPLAY_ENV Show OpenMP version and environment variables · OMP_DEFAULT_DEVICE Set the device used in target regions · OMP_DYNAMIC Dynamic adjustment of threads · OMP_MAX_ACTIVE_LEVELS Set the maximum number of nested parallel regions · OMP_MAX_TASK_PRIORITY Set the maximum task priority value · OMP_NESTED Nested parallel regions · OMP_NUM_THREADS Specifies the number of threads to use · OMP_PROC_BIND Whether theads may be moved between CPUs · OMP_PLACES Specifies on which CPUs the theads should be placed · OMP_STACKSIZE Set default thread stack size · OMP_SCHEDULE How threads are scheduled · OMP_THREAD_LIMIT Set the maximum number of threads · OMP_WAIT_POLICY How waiting threads are handled · GOMP_CPU_AFFINITY Bind threads to specific CPUs · GOMP_DEBUG Enable debugging output · GOMP_STACKSIZE Set default thread stack size · GOMP_SPINCOUNT Set the busy-wait spin count · GOMP_RTEMS_THREAD_POOLS Set the RTEMS specific thread pools 1