vandanavk commented on a change in pull request #14042: [MXNET-891] Support
tuple of scales in upsample operator
URL: https://github.com/apache/incubator-mxnet/pull/14042#discussion_r257419777
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File path: src/operator/nn/upsampling-inl.h
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@@ -82,6 +84,57 @@ struct UpSamplingParam : public
dmlc::Parameter<UpSamplingParam> {
}
}; // struct UpSamplingParam
+template<typename xpu, typename DTyp, typename AccReal>
+void SpatialUpSamplingNearestUpdateOutput(mshadow::Stream<cpu> *s,
+ const std::vector<TBlob> &in_data,
+ std::vector<TBlob> *out_data) {
+ Tensor<xpu, 4, DTyp> itensor = in_data[0].get<xpu, 4, DTyp>(s);
+ Tensor<xpu, 4, DTyp> otensor = (*out_data)[0].get<xpu, 4, DTyp>(s);
+
+ int outputHeight = otensor.size(2);
+ int outputWidth = otensor.size(3);
+ int inputHeight = itensor.size(2);
+ int inputWidth = itensor.size(3);
+
+ int dW = outputWidth / inputWidth;
+ int dH = outputHeight / inputHeight;
+ int idim = itensor.shape_.kDimension;
+
+ // dims
+ int osz0 = otensor.size(0);
+ int osz1 = otensor.size(1);
+ int osz2 = otensor.size(2);
+ int osz3 = 1;
+ if (idim > 3) {
+ osz3 = otensor.size(3);
+ }
+
+ // perform the upsampling
+ int i0, i1, i2, i3;
Review comment:
Sure, I'll make this change
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