  void operator()(OpKernelContext* ctx, bool use_cudnn, bool cudnn_use_autotune,
                  const Tensor& out_backprop, const Tensor& filter,
                  int row_dilation, int col_dilation, int row_stride,
                  int col_stride, const Padding& padding,
                  const std::vector<int64>& explicit_paddings,
                  Tensor* in_backprop, TensorFormat data_format) {
    LaunchConv2DBackpropInputOpImpl<CPUDevice, T> launcher;
    launcher(ctx, use_cudnn, cudnn_use_autotune, out_backprop, filter,
             row_dilation, col_dilation, row_stride, col_stride, padding,
             explicit_paddings, in_backprop, data_format);
  }
  void operator()(OpKernelContext* ctx, bool use_cudnn, bool cudnn_use_autotune,
                  const Tensor& out_backprop, const Tensor& filter,
                  int row_dilation, int col_dilation, int row_stride,
                  int col_stride, const Padding& padding,
                  const std::vector<int64>& explicit_paddings,
                  Tensor* in_backprop, TensorFormat data_format) {
    LaunchConv2DBackpropInputOpImpl<CPUDevice, T> launcher;
    launcher(ctx, use_cudnn, cudnn_use_autotune, out_backprop, filter,
             row_dilation, col_dilation, row_stride, col_stride, padding,
             explicit_paddings, in_backprop, data_format);
  }