pytorch

5a53f024 - [FSDP()][15/N] Refactor `_init_streams()` (#87928)

[FSDP()][15/N] Refactor `_init_streams()` (#87928) This PR is easy. I think I move `_init_streams()` again in a later PR though :/ Pull Request resolved: https://github.com/pytorch/pytorch/pull/87928 Approved by: https://github.com/mrshenli