Device Information Routines (GNU libgomp) (original) (raw)

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3.6 Device Information Routines ¶

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 online
• omp_set_default_device – Set the default device for target regions
• omp_get_default_device – Get the default device for target regions
• omp_get_num_devices – Number of target devices
• omp_get_device_num – Return device number of current device
• omp_get_device_from_uid – Obtain the device number to a unique id
• omp_get_uid_from_device – Obtain the unique id of a device
• omp_is_initial_device – Whether executing on the host device
• omp_get_initial_device – Return device number of initial device