Function: get_device

Applicable Products

Product	Supported (√/x)
Ascend 950PR/Ascend 950DT	√
Atlas A3 training products/Atlas A3 inference products	√
Atlas A2 training products/Atlas A2 inference products	√
Atlas training products	√
Atlas inference products	√
Atlas 200I/500 A2 inference products	√

Description

Obtains the IDs of the devices in use.

Prototype

C Prototype

aclError aclrtGetDevice(int32_t *deviceId)

Python Function
1
device_id, ret = acl.rt.get_device()

Parameters

Parameter	Description
device_id	Pointer to the device ID.

Return Values

Return Value	Description
ret	Int, error code. 0 on success; else, failure.

Restrictions

If no device is specified in advance, an error is returned when acl.rt.get_device is called. You can specify a device by enabling the default device using init, explicitly specifying a device using acl.rt.set_device, or implicitly specifying a device using acl.rt.create_context.

Parent topic: Device Management