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3.7 omp_get_initial_device – Return device number of initial device

Description:

This function returns a device number that represents the host device. For OpenMP 5.1, this must be equal to the value returned by the omp_get_num_devices function.

C/C++
Prototype:int omp_get_initial_device(void);
Fortran:
Interface:integer function omp_get_initial_device()
See also:

omp_get_num_devices – Number of target devices

Reference:

OpenMP specification v4.5, Section 3.2.35.