cudaError_t cudaMemset2D ( void *  devPtr,
size_t  pitch,
int  value,
size_t  width,
size_t  height 

Sets to the specified value value a matrix (height rows of width bytes each) pointed to by dstPtr. pitch is the width in bytes of the 2D array pointed to by dstPtr, including any padding added to the end of each row. This function performs fastest when the pitch is one that has been passed back by cudaMallocPitch().

devPtr - Pointer to 2D device memory
pitch - Pitch in bytes of 2D device memory
value - Value to set for each byte of specified memory
width - Width of matrix set (columns in bytes)
height - Height of matrix set (rows)
cudaSuccess, cudaErrorInvalidValue, cudaErrorInvalidDevicePointer
Note that this function may also return error codes from previous, asynchronous launches.
See also:
cudaMemset, cudaMemset3D, cudaMemsetAsync, cudaMemset2DAsync, cudaMemset3DAsync

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