pytorch

402b9f9a - add PT chunk op to the benchmark (#22409)

add PT chunk op to the benchmark (#22409) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/22409 as title Reviewed By: hl475 Differential Revision: D16079031 fbshipit-source-id: 109060ffc953f2357b2783b13f9b9dc87bd3f98a