benchmark

fd7f14e1 - Simplify the multiple batches design by removing the "train_dynamic" test

Simplify the multiple batches design by removing the "train_dynamic" test Summary: Let user control the multiple batch test by simply specifying the `--num-batch` command. Reviewed By: Bucero Differential Revision: D50092718 fbshipit-source-id: 15d0e3d85e98982697caf92b2f5242e2cba97711