aclrtFreeHost

Applicability

Product	Supported
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	√

Description

Frees host memory.

This API immediately frees the input memory. It does not perform implicit device synchronization or stream synchronization or wait until the tasks that use the memory are complete. Ensure that the memory pointer is not accessed after this API is called.

Prototype

aclError aclrtFreeHost(void *hostPtr)

Parameters

Parameter	Input/Output	Description
hostPtr	Input	Pointer to memory to free.

Returns

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

Restrictions

aclrtFreeHost frees only memory allocated by the aclrtMallocHost call.