aclrtDeviceDisablePeerAccess

The Atlas 200/300/500 Inference Product does not support this API.

Disables memory copy between the current device and a specified device. This API call disables device-level memory copy.

aclrtDeviceDisablePeerAccess can be called to disable memory copy previously enabled by the aclrtDeviceEnablePeerAccess call.

aclError aclrtDeviceDisablePeerAccess(int32_t peerDeviceId)

Parameter	Input/Output	Description
peerDeviceId	Input	Device ID, which must be different from the current device ID. Must be in the range of [0, Device count – 1]. Call aclrtGetDeviceCount to obtain the device count.

Parameter

Input/Output

Description

peerDeviceId

Input

Device ID, which must be different from the current device ID.

Must be in the range of [0, Device count – 1]. Call aclrtGetDeviceCount to obtain the device count.

The value 0 indicates success, and other values indicate failure. For details, see aclError.