pytorch

06389406 - CUDA BFloat activations 1 (#44834)

CUDA BFloat activations 1 (#44834) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/44834 Reviewed By: mruberry Differential Revision: D23752660 Pulled By: ngimel fbshipit-source-id: 209a937e8a9afe12b7dd86ecfa493c9417fd22fb