Add option to run eager; make 1 GPU case run without DS
Add option to run eager; make 1 GPU case run without DS

alexgorban/models,derekjchow/models,derekjchow/models,alexgorban/models,derekjchow/models,tombstone/models,tombstone/models,tombstone/models,derekjchow/models,alexgorban/models,derekjchow/models,tombstone/models,tombstone/models,tombstone/models,alexgorban/models,alexgorban/models