aclrtSynchronizeDevice

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	√

Blocks the current thread until the device corresponding to the context bound to the current thread completes the computation.

This is an encapsulated API that applies only to C++ programs. It internally calls the C API aclrtSynchronizeDeviceWithTimeout.

aclError aclrtSynchronizeDevice(int32_t timeout)

Parameter	Input/Output	Description
timeout	Input	API timeout interval. The value can be: -1: permanent waiting > 0: specific timeout interval, in milliseconds

Parameter

Input/Output

Description

timeout

Input

API timeout interval.

The value can be:

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

Parent topic: C++ Extension APIs