Exclude PT2 on most models, add more knobs to script (#1785)
Summary:
- run only two models on PT2
- add -b flag to run only basic optim configs
- fix atrocious typo introduced by accident before
Pull Request resolved: https://github.com/pytorch/benchmark/pull/1785
Reviewed By: msaroufim
Differential Revision: D47744171
Pulled By: janeyx99
fbshipit-source-id: a894ac54884721d318f124caf94867da5895d214
