Strided masked reduction: amin. (#66385)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/66385
cc nikitaved pearu cpuhrsch IvanYashchuk
Test Plan: Imported from OSS
Reviewed By: jbschlosser
Differential Revision: D31779530
Pulled By: cpuhrsch
fbshipit-source-id: de753c2d191f7980a48831b892d3a1e8a7a547cd
