Add simple add op based framework overhead benchmark. (#23076)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/23076
Tracing based and non tracing based added
Reviewed By: mingzhe09088
Differential Revision: D16097280
fbshipit-source-id: 3a137092f7ccc3dd2d29d95e10178ec89d3ce892
