benchmark

196b3b8a - llama v2 (#1775)

llama v2 (#1775) Summary: Pull Request resolved: https://github.com/pytorch/benchmark/pull/1775 Reviewed By: xuzhao9 Differential Revision: D47723915 Pulled By: msaroufim fbshipit-source-id: ef6686b328f691833907660ded2fbb28d317ea61