pytorch

d66520ba - [TensorExpr] Fuser: try merging adjacent fusion groups. (#43671)

[TensorExpr] Fuser: try merging adjacent fusion groups. (#43671) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/43671 Test Plan: Imported from OSS Reviewed By: eellison Differential Revision: D23360796 Pulled By: ZolotukhinM fbshipit-source-id: 60ec318fe77ae9f2c821d9c4d106281845266e0f