SWu opened a new pull request #4516: Fix bias_add gradient URL: https://github.com/apache/incubator-tvm/pull/4516 A change caused collapse_sum_like to reject implicit dimension broadcasting for bias_add gradient, so switch to explicit sum reduction on the non-bias axis dimensions. Thanks for contributing to TVM! Please refer to guideline https://docs.tvm.ai/contribute/ for useful information and tips. After the pull request is submitted, please request code reviews from [Reviewers](https://github.com/apache/incubator-tvm/blob/master/CONTRIBUTORS.md#reviewers) by @ them in the pull request thread.
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