aclrtGetDevice
Description
Obtains the IDs of the devices in use.
Restrictions
If no device is specified in advance, an error is returned when aclrtGetDevice is called. You can specify a device by enabling default device using aclInit, explicitly specifying a device by calling aclrtSetDevice, or implicitly specifying a device by calling aclrtCreateContext.
Prototype
aclError aclrtGetDevice(int32_t *deviceId)
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
deviceId |
Output |
Pointer to the device ID. |
Returns
The value 0 indicates success, and other values indicate failure. For details, see aclError.
Parent topic: Device Management