convBackward

wrapper of cudnnConvolutionBackwardData and Weight for Variable

version(grain_cuda)

void

convBackward

(

bool isConv

bool isNchw

size_t dim

size_t imDims

)

(

ref Variable!(T, dim, DeviceStorage) gradInput

Variable!(T, dim, DeviceStorage) input

ref Variable!(T, dim, DeviceStorage) gradFilter

Variable!(T, dim, DeviceStorage) filter

Variable!(T, dim, DeviceStorage) gradOutput

const int[imDims] stride

const int[imDims] pad

const int[imDims] dilation

int ngroup = 1

cudnnConvolutionBwdDataAlgo_t algo = CUDNN_CONVOLUTION_BWD_DATA_ALGO_1

float alpha = 1

float beta = 0

)

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