Create lower code example (#70142)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/70142
Create lower code example in oss, and run benchmark agaist resnet101
Test Plan: CI
Reviewed By: 842974287
Differential Revision: D33117440
fbshipit-source-id: 359d0c9e65899ab94c8f3eb112db70db5d938504