Function: cmo_async

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	x
Atlas inference products	x
Atlas 200I/500 A2 inference products	x

Implements cache memory operations on the device.

C Prototype

aclError aclrtCmoAsync(void *src, size_t size, aclrtCmoType cmoType, aclrtStream stream)

Python Function

ret = acl.rt.cmo_async(src, size, cmo_type, stream)

Parameter	Description
src	Int, address of the device memory to be operated.
size	Int, size of the device memory to be operated, in bytes.
cmoType	Int, cache memory operation type. For details, see aclrtCmoType. Currently, only ACL_RT_CMO_TYPE_PREFETCH (memory prefetch) is supported.
stream	Int, stream.

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

The Atlas training products does not support this API.

The Atlas inference products does not support this API.

The Atlas 200I/500 A2 inference products does not support this API.

Parent topic: CMO Cache Operations