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2.9 omp_get_max_threads – Maximum number of threads of parallel region

Description:
Return the maximum number of threads used for the current parallel region that does not use the clause num_threads.
C/C++:

Prototype: int omp_get_max_threads(void);

Fortran:

Interface: integer function omp_get_max_threads()

See also:
omp_set_num_threads, omp_set_dynamic, omp_get_thread_limit
Reference:
OpenMP specification v4.5, Section 3.2.3.