aclrtMemcpyAsyncWithOffset

Applicability

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	√

Description

Copies memory in scenarios where the base address is a level-2 pointer and an address offset exists. This API is asynchronous.

Prototype

aclError aclrtMemcpyAsyncWithOffset(void **dst, size_t destMax, size_t dstDataOffset, const void **src, size_t count, size_t srcDataOffset, aclrtMemcpyKind kind, aclrtStream stream)

Parameters

Parameter	Input/Output	Description
dst	Input	Pointer to the destination memory address.
destMax	Input	Memory size in bytes in the destination address
dstDataOffset	Input	Offset of the destination memory address.
src	Input	Pointer to the source memory address.
count	Input	Size in bytes to copy.
srcDataOffset	Input	Offset of the source memory address.
kind	Input	Memory copy type. For details about the type definition, see aclrtMemcpyKind. Currently, only ACL_MEMCPY_INNER_DEVICE_TO_DEVICE is supported, indicating memory copy within a device.
stream	Input	Stream for executing the memory copy task. For details about the type definition, see aclrtStream.

Returns

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

Parent topic: Memory Management