aclrtHostUnregister

Product	Supported
Atlas 350 Accelerator Card	√
Atlas A3 training product/Atlas A3 inference product	√
Atlas A2 training product/Atlas A2 inference product	√
Atlas 200I/500 A2 inference product	☓
Atlas inference product	☓
Atlas training product	√

Unregisters the host memory.

This API is used in pair with aclrtHostRegister.

aclError aclrtHostUnregister(void *ptr)

Parameter	Input/Output	Description
ptr	Input	Memory address on the host.

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

Parent topic: Memory Management