pytorch

fde3d707 - Switch default memory format of to (and similar) operators to Preserve

Switch default memory format of to (and similar) operators to Preserve Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/30088 Test Plan: Imported from OSS Differential Revision: D18624984 Pulled By: VitalyFedyunin fbshipit-source-id: 54901786d7496c7dce785140b0585ac9093b1d86