(libgomp.info.gz) Environment Variables

(libgomp.info.gz) Runtime Library Routines

 
 3 Environment Variables
 ***********************
 
 The variables `OMP_DYNAMIC', `OMP_MAX_ACTIVE_LEVELS', `OMP_NESTED',
 `OMP_NUM_THREADS', `OMP_SCHEDULE', `OMP_STACKSIZE',`OMP_THREAD_LIMIT'
 and `OMP_WAIT_POLICY' are defined by section 4 of the OpenMP
 specifications in version 3.0, while `GOMP_CPU_AFFINITY' and
 `GOMP_STACKSIZE' are GNU extensions.

 
* OMP_DYNAMIC           Dynamic adjustment of threads
* OMP_MAX_ACTIVE_LEVELS Set the maximal number of nested parallel regions
* OMP_NESTED            Nested parallel regions
* OMP_NUM_THREADS       Specifies the number of threads to use
* OMP_STACKSIZE         Set default thread stack size
* OMP_SCHEDULE          How threads are scheduled
* OMP_THREAD_LIMIT      Set the maximal number of threads
* OMP_WAIT_POLICY       How waiting threads are handled
* GOMP_CPU_AFFINITY     Bind threads to specific CPUs
* GOMP_STACKSIZE        Set default thread stack size

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