Function: synchronize_stream_with_timeout

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

Blocks app running until all tasks in the specified stream are complete. This API is enhanced based on acl.rt.synchronize_stream and allows you to set the timeout interval for your app.

Prototype

C Prototype

aclError aclrtSynchronizeStreamWithTimeout(aclrtStream stream, int32_t timeout)

Python Function

ret = acl.rt.synchronize_stream_with_timeout(stream, timeout)

Parameters

Parameter	Description
stream	Int, pointer address of the stream object that needs to complete all tasks.
timeout	Int, API timeout interval. The options are as follows: -1: waits forever, which functions equivalently as acl.rt.synchronize_stream. > 0: specific timeout interval, in ms.

Parameter

Description

stream

Int, pointer address of the stream object that needs to complete all tasks.

timeout

Int, API timeout interval. The options are as follows:

-1: waits forever, which functions equivalently as acl.rt.synchronize_stream.
> 0: specific timeout interval, in ms.

Return Values

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

Parent topic: Streams Management