aclrtSetStreamOverflowSwitch

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

Enables or disables overflow detection for a specified stream when the upper-layer training framework (such as PyTorch) is connected. If disabled, you cannot use the overflow detection operator to check whether a task overflows.

Prototype

aclError aclrtSetStreamOverflowSwitch(aclrtStream stream, uint32_t flag)

Parameters

Parameter	Input/Output	Description
stream	Input	Stream to be operated. For details about the type definition, see aclrtStream.
flag	Input	Whether overflow detection is enabled or disabled. The value can be: 0: disabled. 1: enabled.

Parameter

Input/Output

Description

stream

Input

Stream to be operated. For details about the type definition, see aclrtStream.

flag

Input

Whether overflow detection is enabled or disabled. The value can be:

0: disabled.
1: enabled.

Returns

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

Restrictions

The setting takes effect only for tasks created after this API call.

Parent topic: Stream Management