pub unsafe extern "C" fn cudnnFindConvolutionBackwardFilterAlgorithmEx(
handle: cudnnHandle_t,
xDesc: cudnnTensorDescriptor_t,
x: *const c_void,
dyDesc: cudnnTensorDescriptor_t,
y: *const c_void,
convDesc: cudnnConvolutionDescriptor_t,
dwDesc: cudnnFilterDescriptor_t,
dw: *mut c_void,
requestedAlgoCount: c_int,
returnedAlgoCount: *mut c_int,
perfResults: *mut cudnnConvolutionBwdFilterAlgoPerf_t,
workSpace: *mut c_void,
workSpaceSizeInBytes: usize
) -> cudnnStatus_t