If any error occurs during the workspace allocation or timing of cudnnConvolutionForward(), this status will represent that error. Otherwise, this status will be the return status of cudnnConvolutionForward().
- CUDNN_STATUS_ALLOC_FAILED if any error occured during workspace allocation or deallocation. - CUDNN_STATUS_EXECUTION_FAILED if any error occured during timing calculations. - Otherwise, this will be the return status of cudnnConvolutionForward().