model = build_model(cfg)
logger.info("Model:\n{}".format(model))
if args.eval_only:
DetectionCheckpointer(model, save_dir=cfg.OUTPUT_DIR).resume_or_load(
cfg.MODEL.WEIGHTS, resume=args.resume
)
return do_test(cfg, model)
distributed = comm.get_world_size() > 1
if distributed:
model = DistributedDataParallel(
model, device_ids=[comm.get_local_rank()], broadcast_buffers=False
)
do_train(cfg, model)
return do_test(cfg, model)
if __name__ == "__main__":
args = default_argument_parser().parse_args()
print("Command Line Args:", args)
launch(
main,
args.num_gpus,
num_machines=args.num_machines,
machine_rank=args.machine_rank,
dist_url=args.dist_url,
args=(args,),
)
logger.info("{} iters in {} seconds.".format(max_iter, timer.seconds()))
if __name__ == "__main__":
parser = default_argument_parser()
parser.add_argument("--task",
choices=["train", "eval", "data"],
required=True)
args = parser.parse_args()
assert not args.eval_only
if args.task == "data":
f = benchmark_data
elif args.task == "train":
"""
Note: training speed may not be representative.
The training cost of a R-CNN model varies with the content of the data
and the quality of the model.
"""
f = benchmark_train
elif args.task == "eval":
f = benchmark_eval
# only benchmark single-GPU inference.
assert args.num_gpus == 1 and args.num_machines == 1
launch(f,
args.num_gpus,
args.num_machines,
args.machine_rank,
args.dist_url,
args=(args, ))