Yi Wang b1b77148ac Back out "[Gradient Compression] Surface C++ comm hooks to Python API as built-in comm hooks" (#47234) ... Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/47234 Revert the diff because of https://github.com/pytorch/pytorch/issues/47153 Original PR issue: C++ DDP Communication Hook https://github.com/pytorch/pytorch/issues/46348 ghstack-source-id: 115720415 Test Plan: waitforbuildbot Reviewed By: mrshenli Differential Revision: D24691866 fbshipit-source-id: 58fe0c45943a2ae2a09fe5d5eac4a4d947586539		2020-11-02 20:51:18 -08:00
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ddp_comm_hooks	Back out "[Gradient Compression] Surface C++ comm hooks to Python API as built-in comm hooks" (#47234)	2020-11-02 20:51:18 -08:00