anirudh2290 commented on a change in pull request #11252: [MXNET-323] Improve
performance of broadcast ops backward pass
URL: https://github.com/apache/incubator-mxnet/pull/11252#discussion_r199984567
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File path: src/operator/tensor/broadcast_reduce-inl.cuh
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@@ -602,6 +602,11 @@ void Reduce(Stream<gpu> *s, const TBlob& small, const
OpReqType req,
ReduceImpl<Reducer, ndim, DType, OP>(stream, small, req, big, workspace,
config);
}
+template <typename Reducer, int ndim, typename DType, typename OP>
+void ReduceWithExtraMem(Stream<cpu>* s, const TBlob& small, const OpReqType
req,
+ const Tensor<cpu, 1, char>& workspace, const TBlob&
big) {};
Review comment:
`ReduceWithExtraMem` is only used for the cpu implementation and prevents
the build from failing.
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