openmp Simple parallel example
Syntax
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#pragma omp parallelindicates that the following block shall be executed by all the threads. -
int omp_get_num_threads (void): returns the number of the threads working on the parallel region (aka team of threads). -
int omp_get_thread_num (void): returns the identifier of the calling thread (ranges from 0 to N-1 where N is bounded toomp_get_num_threads()).
Remarks
You can use the OMP_NUM_THREADS environment variable or the num_threads directive within the #pragma parallel to indicate the number of executing threads for the whole application or for the specified region, respectively.
