def main(configuration, init_distributed=False, predict=False):
# A reload might be needed for imports
setup_imports()
configuration.import_user_dir()
config = configuration.get_config()
if torch.cuda.is_available():
torch.cuda.set_device(config.device_id)
torch.cuda.init()
if init_distributed:
distributed_init(config)
config.training.seed = set_seed(config.training.seed)
registry.register("seed", config.training.seed)
print("Using seed {}".format(config.training.seed))
registry.register("writer", Logger(config, name="mmf.train"))
trainer = build_trainer(configuration)
trainer.load()
if predict:
trainer.inference()
else:
trainer.train()
def setUp(self):
setup_imports()
torch.manual_seed(1234)
config_path = os.path.join(
get_mmf_root(),
"..",
"projects",
"butd",
"configs",
"coco",
"nucleus_sampling.yaml",
)
config_path = os.path.abspath(config_path)
args = dummy_args(model="butd", dataset="coco")
args.opts.append("config={}".format(config_path))
configuration = Configuration(args)
configuration.config.datasets = "coco"
configuration.config.model_config.butd.inference.params.sum_threshold = 0.5
configuration.freeze()
self.config = configuration.config
registry.register("config", self.config)
def run(predict=False):
setup_imports()
parser = flags.get_parser()
args = parser.parse_args()
print(args)
configuration = Configuration(args)
# Do set runtime args which can be changed by MMF
configuration.args = args
config = configuration.get_config()
config.start_rank = 0
if config.distributed.init_method is None:
infer_init_method(config)
if config.distributed.init_method is not None:
if torch.cuda.device_count() > 1 and not config.distributed.no_spawn:
config.start_rank = config.distributed.rank
config.distributed.rank = None
torch.multiprocessing.spawn(
fn=distributed_main,
args=(configuration, predict),
nprocs=torch.cuda.device_count(),
)
else:
distributed_main(0, configuration, predict)
elif config.distributed.world_size > 1:
assert config.distributed.world_size <= torch.cuda.device_count()
port = random.randint(10000, 20000)
config.distributed.init_method = "tcp://localhost:{port}".format(
port=port)
config.distributed.rank = None
torch.multiprocessing.spawn(
fn=distributed_main,
args=(configuration, predict),
nprocs=config.distributed.world_size,
)
else:
config.device_id = 0
main(configuration, predict)
def setUp(self):
setup_imports()