pytorch

ab5eb569 - add qmul (#63913)

add qmul (#63913) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/63913 Test Plan: Imported from OSS Reviewed By: dreiss Differential Revision: D30531890 fbshipit-source-id: 29d88cc61bd1e328cc7ae7a91a2f8d4819803c8d