pytorch

fd40c0eb - Add gelu op (#18992)

Add gelu op (#18992) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/18992 Add gelu op Reviewed By: houseroad Differential Revision: D14814811 fbshipit-source-id: 00f126b8b83763c57ebbf28fbd2de5a8fab6d491