pytorch

ab5fee27 - Move the inline implementations of GradBucket class to the header. (#44339)

Move the inline implementations of GradBucket class to the header. (#44339) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/44339 Moved the inline implementations of GradBucket class to the header for succinctness and readability. This coding style is also consistent with reducer.h under the same directory. Test Plan: buck test caffe2/torch/lib/c10d:ProcessGroupGlooTest Reviewed By: pritamdamania87 Differential Revision: D23569701 fbshipit-source-id: 237d9e2c5f63a6bcac829d0fcb4a5ba3bede75e5