Ejemplo n.º 1
0
def main(args, unknown_args):
    args, config = parse_args_uargs(args, unknown_args)
    set_global_seed(args.seed)
    prepare_cudnn(args.deterministic, args.benchmark)

    if args.logdir is not None:
        os.makedirs(args.logdir, exist_ok=True)
        dump_environment(config, args.logdir, args.configs)

    if args.expdir is not None:
        module = import_module(expdir=args.expdir)  # noqa: F841
        if args.logdir is not None:
            dump_code(args.expdir, args.logdir)

    env = ENVIRONMENTS.get_from_params(**config["environment"])

    algorithm_name = config["algorithm"].pop("algorithm")
    if algorithm_name in OFFPOLICY_ALGORITHMS_NAMES:
        ALGORITHMS = OFFPOLICY_ALGORITHMS
        trainer_fn = OffpolicyTrainer
        sync_epoch = False
    elif algorithm_name in ONPOLICY_ALGORITHMS_NAMES:
        ALGORITHMS = ONPOLICY_ALGORITHMS
        trainer_fn = OnpolicyTrainer
        sync_epoch = True
    else:
        # @TODO: add registry for algorithms, trainers, samplers
        raise NotImplementedError()

    db_server = DATABASES.get_from_params(
        **config.get("db", {}), sync_epoch=sync_epoch
    )

    algorithm_fn = ALGORITHMS.get(algorithm_name)
    algorithm = algorithm_fn.prepare_for_trainer(env_spec=env, config=config)

    if args.resume is not None:
        checkpoint = utils.load_checkpoint(filepath=args.resume)
        checkpoint = utils.any2device(checkpoint, utils.get_device())
        algorithm.unpack_checkpoint(
            checkpoint=checkpoint,
            with_optimizer=False
        )

    monitoring_params = config.get("monitoring_params", None)

    trainer = trainer_fn(
        algorithm=algorithm,
        env_spec=env,
        db_server=db_server,
        logdir=args.logdir,
        monitoring_params=monitoring_params,
        **config["trainer"],
    )

    trainer.run()
Ejemplo n.º 2
0
def main(args, unknown_args):
    args, config = parse_args_uargs(args, unknown_args)
    set_global_seed(args.seed)

    if args.logdir is not None:
        os.makedirs(args.logdir, exist_ok=True)
        dump_config(config, args.logdir, args.configs)

    if args.expdir is not None:
        module = import_module(expdir=args.expdir)  # noqa: F841

    env = ENVIRONMENTS.get_from_params(**config["environment"])

    algorithm_name = config["algorithm"].pop("algorithm")
    if algorithm_name in OFFPOLICY_ALGORITHMS_NAMES:
        ALGORITHMS = OFFPOLICY_ALGORITHMS
        trainer_fn = OffpolicyTrainer
        sync_epoch = False
        weights_sync_mode = "critic" if env.discrete_actions else "actor"
    elif algorithm_name in ONPOLICY_ALGORITHMS_NAMES:
        ALGORITHMS = ONPOLICY_ALGORITHMS
        trainer_fn = OnpolicyTrainer
        sync_epoch = True
        weights_sync_mode = "actor"
    else:
        # @TODO: add registry for algorithms, trainers, samplers
        raise NotImplementedError()

    db_server = DATABASES.get_from_params(
        **config.get("db", {}), sync_epoch=sync_epoch
    )

    algorithm_fn = ALGORITHMS.get(algorithm_name)
    algorithm = algorithm_fn.prepare_for_trainer(env_spec=env, config=config)

    if args.resume is not None:
        algorithm.load_checkpoint(filepath=args.resume)

    trainer = trainer_fn(
        algorithm=algorithm,
        env_spec=env,
        db_server=db_server,
        logdir=args.logdir,
        weights_sync_mode=weights_sync_mode,
        **config["trainer"],
    )

    trainer.run()
Ejemplo n.º 3
0
def main(args, unknown_args):
    args, config = parse_args_uargs(args, unknown_args)
    set_global_seed(args.seed)

    if args.logdir is not None:
        os.makedirs(args.logdir, exist_ok=True)
        dump_config(args.configs, args.logdir)

    if args.expdir is not None:
        module = import_module(expdir=args.expdir)  # noqa: F841

    algorithm_name = config["algorithm"].pop("algorithm")
    if algorithm_name in OFFPOLICY_ALGORITHMS_NAMES:
        ALGORITHMS = OFFPOLICY_ALGORITHMS
        trainer_fn = OffpolicyTrainer
        sync_epoch = False
    else:
        ALGORITHMS = ONPOLICY_ALGORITHMS
        trainer_fn = OnpolicyTrainer
        sync_epoch = True

    db_server = DATABASES.get_from_params(**config.get("db", {}),
                                          sync_epoch=sync_epoch)

    env = ENVIRONMENTS.get_from_params(**config["environment"])

    algorithm_fn = ALGORITHMS.get(algorithm_name)
    algorithm = algorithm_fn.prepare_for_trainer(env_spec=env, config=config)

    if args.resume is not None:
        algorithm.load_checkpoint(filepath=args.resume)

    trainer = trainer_fn(
        algorithm=algorithm,
        env_spec=env,
        db_server=db_server,
        **config["trainer"],
        logdir=args.logdir,
    )

    def on_exit():
        for p in trainer.get_processes():
            p.terminate()

    atexit.register(on_exit)

    trainer.run()