OMP_SET_DYNAMIC

Purpose:

Enables or disables dynamic adjustment (by the run time system) of the number of threads available for execution of parallel regions.

Format:

Fortran

SUBROUTINE OMP_SET_DYNAMIC(scalar_logical_expression)

C/C++

#include <omp.h>
void omp_set_dynamic(int dynamic_threads)

Notes & Restrictions:

• For Fortran, if called with .TRUE. then the number of threads available for subsequent parallel regions can be adjusted automatically by the run-time environment. If called with .FALSE., dynamic adjustment is disabled.

• For C/C++, if dynamic_threads evaluates to non-zero, then the mechanism is enabled, otherwise it is disabled.

• The OMP_SET_DYNAMIC subroutine has precedence over the OMP_DYNAMIC environment variable.

• The default setting is implementation dependent.

• Must be called from a serial section of the program.