eric-haibin-lin commented on a change in pull request #10150: [WIP] [DO NOT
MERGE] Sparse operator broadcast_mul/div(csr, dense) = csr
URL: https://github.com/apache/incubator-mxnet/pull/10150#discussion_r175539569
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File path: src/operator/tensor/elemwise_binary_broadcast_op.h
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@@ -185,6 +227,75 @@ void BinaryBroadcastCompute(const nnvm::NodeAttrs& attrs,
}
}
+template<typename xpu, typename OP>
+void BinaryBroadCastCsrDnsCsrImpl(const OpContext& ctx,
+ const NDArray& csr,
+ const NDArray& dns,
+ const OpReqType req,
+ const NDArray& output) {
+ using namespace mshadow;
+ using namespace mxnet_op;
+ using namespace csr;
+ CHECK_EQ(dns.shape().ndim(), 1) << "input dense should be a vector";
+ mshadow::Stream<xpu> *s = ctx.get_stream<xpu>();
Review comment:
Need to check req != kAddTo / kWriteInplace
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