aclrtFreeHostWithDevSync

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

Frees the host memory allocated by the aclrtMallocHost or aclrtMallocHostWithCfg API.

This API performs implicit device synchronization and waits until the tasks that use the memory are complete.

Prototype

1
aclError aclrtFreeHostWithDevSync(void *hostPtr)

Parameters

Parameter

Input/Output

Description

hostPtr

Input

Pointer to memory to free.

Returns

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