tobecontinued commented on a change in pull request #17977: Relaxing type
requirements for broadcast_like
URL: https://github.com/apache/incubator-mxnet/pull/17977#discussion_r404073962
##########
File path: src/operator/tensor/broadcast_reduce_op_value.cc
##########
@@ -138,7 +138,16 @@ NNVM_REGISTER_OP(broadcast_like)
[](const NodeAttrs& attrs) {
return std::vector<std::string>{"lhs", "rhs"};
})
-.set_attr<nnvm::FInferType>("FInferType", ElemwiseType<2, 1>)
+.set_attr<nnvm::FInferType>("FInferType", [](const nnvm::NodeAttrs& attrs,
+ std::vector<int> *in_attrs,
+ std::vector<int> *out_attrs) {
+ CHECK_EQ(in_attrs->size(), 2) << " in operator " << attrs.name;
+ std::vector<int> checked_in_attrs = { (*in_attrs)[0] };
+ bool ret = !type_is_none((*in_attrs)[1]) &&
Review comment:
Well, I actully just found the issue, the code is copied from merged PR
#14097, which had a similar issue. I think it is better to keep the same
requirement for all *_like op.
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