[TensorExpr] Allow to enable/disable fallback mechanism thru an envvar PYTORCH_TENSOREXPR_FALLBACK. (#37971)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/37971
Test Plan: Imported from OSS
Reviewed By: protonu
Differential Revision: D21444831
Pulled By: ZolotukhinM
fbshipit-source-id: c75f58772a4730e8f40f05491f9e5afa4aa3ed30
Author
Mikhail Zolotukhin
