aclrtKernelArgsGetPlaceHolderBuffer

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	√

Obtains the memory address to which the paramHandle placeholder points based on the memory size specified by the user.

aclError aclrtKernelArgsGetPlaceHolderBuffer(aclrtArgsHandle argsHandle, aclrtParamHandle paramHandle, size_t dataSize, void **bufferAddr)

Parameter	Input/Output	Description
argsHandle	Input	Handle to the argument list. For details about the type definition, see aclrtArgsHandle.
paramHandle	Input	Parameter handle. For details about the type definition, see aclrtParamHandle. The value of paramHandle must be the same as that of paramHandle in aclrtKernelArgsAppendPlaceHolder.
dataSize	Input	Memory size.
bufferAddr	Output	Memory address to which the paramHandle placeholder points. You need to manage the data in the memory, but not the memory lifecycle.

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

Parent topic: Kernel Loading and Execution