t-vi commented on a change in pull request #5941:
URL: https://github.com/apache/incubator-tvm/pull/5941#discussion_r446799560
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File path: src/relay/op/tensor/transform.cc
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@@ -1713,6 +1713,54 @@ RELAY_REGISTER_OP("collapse_sum_like")
.set_attr<FTVMCompute>("FTVMCompute", CollapseSumLikeCompute)
.set_attr<TOpPattern>("TOpPattern", kCommReduce);
+// CollapseSumTo: <A, B> -> B where CollapseSumTo(A, B) = B
Review comment:
Oh, right. But Broadcast(A, B) = A right? Thanks for spotting this. I
must admit that I'm not 100% sure I understand the notation.
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