pytorch

82f31e02 - Remove the redundant calculation of derivative of power function (#28651)

Remove the redundant calculation of derivative of power function (#28651) Summary: Hi, I notice that the pytorch faced the the issue as HIPS/autograd#541 . I try to solve it, hope it can help. Pull Request resolved: https://github.com/pytorch/pytorch/pull/28651 Reviewed By: gchanan Differential Revision: D18137163 Pulled By: albanD fbshipit-source-id: 888bef65c72c4c15c2acdd4b13d5041008b1354e