benchmark

4ea3bba3 - Train step for cm3leon (#1922)

Train step for cm3leon (#1922) Summary: Pull Request resolved: https://github.com/pytorch/benchmark/pull/1922 Reviewed By: xuzhao9 Differential Revision: D49584108 Pulled By: msaroufim fbshipit-source-id: 6d08bdb33216f650f6ddd924eeb9a37949f3f90c