pytorch

472a6f27 - Strided masked reductions: sum, amax. Testing of masked reductions. (#65990)

Strided masked reductions: sum, amax. Testing of masked reductions. (#65990) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/65990 cc nikitaved pearu cpuhrsch IvanYashchuk Test Plan: Imported from OSS Reviewed By: zou3519 Differential Revision: D31729532 Pulled By: albanD fbshipit-source-id: 855a6bb2a7c6e75c780a64ce23c0f29321f0e511