sxjscience commented on a change in pull request #19044:
URL: https://github.com/apache/incubator-mxnet/pull/19044#discussion_r479817156
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File path: src/operator/numpy/np_pad_op-inl.h
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@@ -792,15 +825,50 @@ void NumpyPadOpBackward(const nnvm::NodeAttrs& attrs,
const std::vector<TBlob>& inputs,
const std::vector<OpReqType>& req,
const std::vector<TBlob>& outputs) {
- using namespace mxnet_op;
- using namespace mshadow;
- CHECK_EQ(inputs.size(), 1U);
- CHECK_EQ(outputs.size(), 1U);
- Stream<xpu> *s = ctx.get_stream<xpu>();
- const TBlob& in_data = inputs[0];
- const TBlob& out_data = outputs[0];
- NumpyPadOpBackImpl<xpu>(in_data, out_data,
- out_data.Size(), req, s);
+ MXNET_NDIM_SWITCH(inputs[0].ndim(), NDim, {
+ using namespace mxnet_op;
+ using namespace mshadow;
+ CHECK_EQ(inputs.size(), 1U);
+ CHECK_EQ(outputs.size(), 1U);
+ CHECK_EQ(req.size(), 1U);
+ CHECK_EQ(req[0], kWriteTo);
Review comment:
You will need to also implement kAddTo.
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