benchmark

070d0fa8 - Add detection2_fcos_r_50_fpn and support resizing inputs (#1001)

Add detection2_fcos_r_50_fpn and support resizing inputs (#1001) Summary: - Add more detectron2 models. - Support resizing inputs. Original 1333x800, support resizing to 448x608. Pull Request resolved: https://github.com/pytorch/benchmark/pull/1001 Reviewed By: terrychenism Differential Revision: D37524321 Pulled By: xuzhao9 fbshipit-source-id: 2795b24cd2afc4619b219b864c1edc00121f2940