more careful use of inline/template function in perfkernels (#15388)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/15388
This is another pass to make perfkernels code safer from illegal instruction error.
Removed dependency to c10/util/Logging.h
We're err on the safer side at the expense of some verbosity.
Reviewed By: dskhudia
Differential Revision: D13502902
fbshipit-source-id: 4f833115df885c5b4f8c1ca83b9badea1553f944
