aclrtSynchronizeStream

Applicable Products

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

Function

Blocks the current thread on the host until all tasks in the specified stream are complete.

Prototype

      
           aclError aclrtSynchronizeStream(aclrtStream stream)

Parameters

Parameter	Input/Output	Description
stream	Input	Stream in which all tasks need to be completed. For details about the type definition, see aclrtStream.

Returns

0 on success; otherwise, failure. For details, see aclError.

Restrictions

Streams created by calling aclrtCreateStreamWithConfig with flag set to ACL_STREAM_PERSISTENT, ACL_STREAM_DEVICE_USE_ONLY, or ACL_STREAM_CPU_SCHEDULE do not trigger any logic execution. The API returns success immediately.

API Call Example

For the API call example, see Explicit Synchronization.

Parent topic: Stream Management