pub unsafe extern "C" fn cudnnFindConvolutionBackwardDataAlgorithm(
handle: cudnnHandle_t,
wDesc: cudnnFilterDescriptor_t,
dyDesc: cudnnTensorDescriptor_t,
convDesc: cudnnConvolutionDescriptor_t,
dxDesc: cudnnTensorDescriptor_t,
requestedAlgoCount: c_int,
returnedAlgoCount: *mut c_int,
perfResults: *mut cudnnConvolutionBwdDataAlgoPerf_t
) -> cudnnStatus_t