Routines related to devices available to an OpenMP program. They have C linkage and do not throw exceptions.
omp_get_num_procs – Number of processors onlineomp_set_default_device – Set the default device for target regionsomp_get_default_device – Get the default device for target regionsomp_get_num_devices – Number of target devicesomp_get_device_num – Return device number of current deviceomp_is_initial_device – Whether executing on the host deviceomp_get_initial_device – Return device number of initial device