mxGPUCreateFromMxArray (C)
Create read-only mxGPUArray object from input mxArray
C Syntax
#include "gpu/mxGPUArray.h" mxGPUArray const * mxGPUCreateFromMxArray(mxArray const * const mp)
Arguments
mp
Pointer to an
mxArray
that contains either GPU or CPU data.
Returns
Pointer to a read-only mxGPUArray
object.
Description
mxGPUCreateFromMxArray
produces a read-only mxGPUArray
object from an mxArray
.
If the input
mxArray
contains agpuArray
, this function extracts a reference to the GPU data from anmxArray
passed as an input to the function.If the input
mxArray
contains CPU data, the data is copied to the GPU, but the returned object is still read-only.
If you need a writable copy of the array, use mxGPUCopyFromMxArray
instead.
This function allocates a new mxGPUArray
object on the CPU. Use mxGPUDestroyGPUArray
to delete the result when you are done with it.
Version History
Introduced in R2013a