GitLab

Summary:
Pull Request resolved: https://github.com/facebookresearch/d2go/pull/274

X-link: https://github.com/facebookresearch/mobile-vision/pull/76

TLDR: this diff consolidate the `distributed_helper` of `mobile_cv`, it (together with `mobile_cv`'s `comm` module) should be the TOGO library for dealing with DDP. D2 (https://github.com/facebookresearch/d2go/commit/87374efb134e539090e0b5c476809dc35bf6aedb)Go's `distributed` is now built on-top of `mobile_cv`'s `distributed_helper`.

Reviewed By: newstzpz

Differential Revision: D36787336

fbshipit-source-id: 640c9dcff5eec534e7894c75cfdf0a12d21c297e