pytorch

df91eb92 - [5/n] [torch/elastic] Introduce the delay utility function (#56533)

[5/n] [torch/elastic] Introduce the delay utility function (#56533) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/56533 This PR introduces a small utility function to delay the execution of the current thread. ghstack-source-id: 126979035 Test Plan: Run the associated unit tests. Reviewed By: H-Huang Differential Revision: D27889671 fbshipit-source-id: aae93b624bd4704da7a48004f50d130cec64969d