pytorch

f66147eb - BFloat16: add explicit dtype support for to_mkldnn and to_dense (#48881)

BFloat16: add explicit dtype support for to_mkldnn and to_dense (#48881) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/48881 Test Plan: Imported from OSS Reviewed By: ngimel Differential Revision: D25537190 Pulled By: VitalyFedyunin fbshipit-source-id: a61a433c638e2e95576f88f081b64ff171b2316e