def run_task(vv, log_dir=None, exp_name=None):

    # Load environment
    radius = vv['radius']
    target_velocity = vv['target_velocity']
    env = normalize(CircleEnv(radius, target_velocity))

    # Save variant information for comparison plots
    variant_file = logger.get_snapshot_dir() + '/variant.json'
    logger.log_variant(variant_file, vv)

    # Train policy using TRPO
    policy = GaussianMLPPolicy(
        env_spec=env.spec,
        hidden_sizes=(32, 32)
    )
    baseline = LinearFeatureBaseline(env_spec=env.spec)
    algo = TRPO(
        env=env,
        policy=policy,
        baseline=baseline,
        batch_size=1000,
        max_path_length=env.horizon,
        n_itr=1000,
        discount=0.99,
        step_size=0.01,
        plot=False,
    )
    algo.train()
def setup_logger(
        exp_prefix=None,
        exp_count=0,
        seed=0,
        variant=None,
        log_dir=None,
        text_log_file="debug.log",
        variant_log_file="variant.json",
        tabular_log_file="progress.csv",
        snapshot_mode="last",
        log_tabular_only=False,
        snapshot_gap=1,
):
    """
    Set up logger to have some reasonable default settings.

    :param exp_prefix:
    :param exp_count:
    :param seed: Experiment seed
    :param variant:
    :param log_dir:
    :param text_log_file:
    :param variant_log_file:
    :param tabular_log_file:
    :param snapshot_mode:
    :param log_tabular_only:
    :param snapshot_gap:
    :return:
    """
    if log_dir is None:
        assert exp_prefix is not None
        log_dir = create_log_dir(exp_prefix, exp_count=exp_count, seed=seed)
    tabular_log_path = osp.join(log_dir, tabular_log_file)
    text_log_path = osp.join(log_dir, text_log_file)

    if variant is not None:
        variant_log_path = osp.join(log_dir, variant_log_file)
        logger.log_variant(variant_log_path, variant)

    logger.add_text_output(text_log_path)
    logger.add_tabular_output(tabular_log_path)
    logger.set_snapshot_dir(log_dir)
    logger.set_snapshot_mode(snapshot_mode)
    logger.set_snapshot_gap(snapshot_gap)
    logger.set_log_tabular_only(log_tabular_only)
예제 #3
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def run_experiment(argv):
    # e2crawfo: These imports, in this order, were necessary for fixing issues on cedar.
    import rllab.mujoco_py.mjlib
    import tensorflow

    default_log_dir = config.LOG_DIR
    now = datetime.datetime.now(dateutil.tz.tzlocal())

    # avoid name clashes when running distributed jobs
    rand_id = str(uuid.uuid4())[:5]
    timestamp = now.strftime('%Y_%m_%d_%H_%M_%S_%f_%Z')

    default_exp_name = 'experiment_%s_%s' % (timestamp, rand_id)
    parser = argparse.ArgumentParser()
    parser.add_argument(
        '--n_parallel',
        type=int,
        default=1,
        help=
        'Number of parallel workers to perform rollouts. 0 => don\'t start any workers'
    )
    parser.add_argument('--exp_name',
                        type=str,
                        default=default_exp_name,
                        help='Name of the experiment.')
    parser.add_argument('--log_dir',
                        type=str,
                        default=None,
                        help='Path to save the log and iteration snapshot.')
    parser.add_argument('--snapshot_mode',
                        type=str,
                        default='all',
                        help='Mode to save the snapshot. Can be either "all" '
                        '(all iterations will be saved), "last" (only '
                        'the last iteration will be saved), or "none" '
                        '(do not save snapshots)')
    parser.add_argument('--snapshot_gap',
                        type=int,
                        default=1,
                        help='Gap between snapshot iterations.')
    parser.add_argument('--tabular_log_file',
                        type=str,
                        default='progress.csv',
                        help='Name of the tabular log file (in csv).')
    parser.add_argument('--text_log_file',
                        type=str,
                        default='debug.log',
                        help='Name of the text log file (in pure text).')
    parser.add_argument('--params_log_file',
                        type=str,
                        default='params.json',
                        help='Name of the parameter log file (in json).')
    parser.add_argument('--variant_log_file',
                        type=str,
                        default='variant.json',
                        help='Name of the variant log file (in json).')
    parser.add_argument(
        '--resume_from',
        type=str,
        default=None,
        help='Name of the pickle file to resume experiment from.')
    parser.add_argument('--plot',
                        type=ast.literal_eval,
                        default=False,
                        help='Whether to plot the iteration results')
    parser.add_argument(
        '--log_tabular_only',
        type=ast.literal_eval,
        default=False,
        help=
        'Whether to only print the tabular log information (in a horizontal format)'
    )
    parser.add_argument('--seed', type=int, help='Random seed for numpy')
    parser.add_argument('--args_data',
                        type=str,
                        help='Pickled data for stub objects')
    parser.add_argument('--variant_data',
                        type=str,
                        help='Pickled data for variant configuration')
    parser.add_argument('--use_cloudpickle',
                        type=ast.literal_eval,
                        default=False)

    args = parser.parse_args(argv[1:])

    if args.seed is not None:
        set_seed(args.seed)

    if args.n_parallel > 0:
        from rllab.sampler import parallel_sampler
        parallel_sampler.initialize(n_parallel=args.n_parallel)
        if args.seed is not None:
            parallel_sampler.set_seed(args.seed)

    if args.plot:
        from rllab.plotter import plotter
        plotter.init_worker()

    if args.log_dir is None:
        log_dir = osp.join(default_log_dir, args.exp_name)
    else:
        log_dir = args.log_dir
    tabular_log_file = osp.join(log_dir, args.tabular_log_file)
    text_log_file = osp.join(log_dir, args.text_log_file)
    params_log_file = osp.join(log_dir, args.params_log_file)

    if args.variant_data is not None:
        variant_data = pickle.loads(base64.b64decode(args.variant_data))
        variant_log_file = osp.join(log_dir, args.variant_log_file)
        logger.log_variant(variant_log_file, variant_data)
    else:
        variant_data = None

    if not args.use_cloudpickle:
        logger.log_parameters_lite(params_log_file, args)

    logger.add_text_output(text_log_file)
    logger.add_tabular_output(tabular_log_file)
    prev_snapshot_dir = logger.get_snapshot_dir()
    prev_mode = logger.get_snapshot_mode()
    logger.set_snapshot_dir(log_dir)
    logger.set_tf_summary_dir(osp.join(log_dir, "tf_summary"))
    logger.set_snapshot_mode(args.snapshot_mode)
    logger.set_snapshot_gap(args.snapshot_gap)
    logger.set_log_tabular_only(args.log_tabular_only)
    logger.push_prefix("[%s] " % args.exp_name)

    if args.resume_from is not None:
        data = joblib.load(args.resume_from)
        assert 'algo' in data
        algo = data['algo']
        maybe_iter = algo.train()
        if is_iterable(maybe_iter):
            for _ in maybe_iter:
                pass
    else:
        # read from stdin
        if args.use_cloudpickle:
            import cloudpickle
            method_call = cloudpickle.loads(base64.b64decode(args.args_data))
            method_call(variant_data)
        else:
            data = pickle.loads(base64.b64decode(args.args_data))
            maybe_iter = concretize(data)
            if is_iterable(maybe_iter):
                for _ in maybe_iter:
                    pass

    logger.set_snapshot_mode(prev_mode)
    logger.set_snapshot_dir(prev_snapshot_dir)
    logger.remove_tabular_output(tabular_log_file)
    logger.remove_text_output(text_log_file)
    logger.pop_prefix()
예제 #4
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def run_experiment(argv):
    default_log_dir = config.LOG_DIR
    now = datetime.datetime.now(dateutil.tz.tzlocal())

    # avoid name clashes when running distributed jobs
    rand_id = str(uuid.uuid4())[:5]
    timestamp = now.strftime('%Y_%m_%d_%H_%M_%S_%f_%Z')

    default_exp_name = 'experiment_%s_%s' % (timestamp, rand_id)
    parser = argparse.ArgumentParser()
    parser.add_argument('--n_parallel', type=int, default=1,
                        help='Number of parallel workers to perform rollouts. 0 => don\'t start any workers')
    parser.add_argument(
        '--exp_name', type=str, default=default_exp_name, help='Name of the experiment.')
    parser.add_argument('--log_dir', type=str, default=None,
                        help='Path to save the log and iteration snapshot.')
    parser.add_argument('--snapshot_mode', type=str, default='all',
                        help='Mode to save the snapshot. Can be either "all" '
                             '(all iterations will be saved), "last" (only '
                             'the last iteration will be saved), "gap" (every'
                             '`snapshot_gap` iterations are saved), or "none" '
                             '(do not save snapshots)')
    parser.add_argument('--snapshot_gap', type=int, default=1,
                        help='Gap between snapshot iterations.')
    parser.add_argument('--tabular_log_file', type=str, default='progress.csv',
                        help='Name of the tabular log file (in csv).')
    parser.add_argument('--text_log_file', type=str, default='debug.log',
                        help='Name of the text log file (in pure text).')
    parser.add_argument('--params_log_file', type=str, default='params.json',
                        help='Name of the parameter log file (in json).')
    parser.add_argument('--variant_log_file', type=str, default='variant.json',
                        help='Name of the variant log file (in json).')
    parser.add_argument('--resume_from', type=str, default=None,
                        help='Name of the pickle file to resume experiment from.')
    parser.add_argument('--plot', type=ast.literal_eval, default=False,
                        help='Whether to plot the iteration results')
    parser.add_argument('--log_tabular_only', type=ast.literal_eval, default=False,
                        help='Whether to only print the tabular log information (in a horizontal format)')
    parser.add_argument('--seed', type=int,
                        help='Random seed for numpy')
    parser.add_argument('--args_data', type=str,
                        help='Pickled data for stub objects')
    parser.add_argument('--variant_data', type=str,
                        help='Pickled data for variant configuration')
    parser.add_argument('--use_cloudpickle', type=ast.literal_eval, default=False)

    args = parser.parse_args(argv[1:])

    if args.seed is not None:
        set_seed(args.seed)

    if args.n_parallel > 0:
        from rllab.sampler import parallel_sampler
        parallel_sampler.initialize(n_parallel=args.n_parallel)
        if args.seed is not None:
            parallel_sampler.set_seed(args.seed)

    if args.plot:
        from rllab.plotter import plotter
        plotter.init_worker()

    if args.log_dir is None:
        log_dir = osp.join(default_log_dir, args.exp_name)
    else:
        log_dir = args.log_dir
    tabular_log_file = osp.join(log_dir, args.tabular_log_file)
    text_log_file = osp.join(log_dir, args.text_log_file)
    params_log_file = osp.join(log_dir, args.params_log_file)

    if args.variant_data is not None:
        variant_data = pickle.loads(base64.b64decode(args.variant_data))
        variant_log_file = osp.join(log_dir, args.variant_log_file)
        logger.log_variant(variant_log_file, variant_data)
    else:
        variant_data = None

    if not args.use_cloudpickle:
        logger.log_parameters_lite(params_log_file, args)

    logger.add_text_output(text_log_file)
    logger.add_tabular_output(tabular_log_file)
    prev_snapshot_dir = logger.get_snapshot_dir()
    prev_mode = logger.get_snapshot_mode()
    logger.set_snapshot_dir(log_dir)
    logger.set_snapshot_mode(args.snapshot_mode)
    logger.set_snapshot_gap(args.snapshot_gap)
    logger.set_log_tabular_only(args.log_tabular_only)
    logger.push_prefix("[%s] " % args.exp_name)

    if args.resume_from is not None:
        data = joblib.load(args.resume_from)
        assert 'algo' in data
        algo = data['algo']
        algo.train()
    else:
        # read from stdin
        if args.use_cloudpickle:
            import cloudpickle
            method_call = cloudpickle.loads(base64.b64decode(args.args_data))
            method_call(variant_data)
        else:
            data = pickle.loads(base64.b64decode(args.args_data))
            maybe_iter = concretize(data)
            if is_iterable(maybe_iter):
                for _ in maybe_iter:
                    pass

    logger.set_snapshot_mode(prev_mode)
    logger.set_snapshot_dir(prev_snapshot_dir)
    logger.remove_tabular_output(tabular_log_file)
    logger.remove_text_output(text_log_file)
    logger.pop_prefix()
예제 #5
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def run_task(vv, log_dir=None, exp_name=None):
    global policy
    global baseline

    trpo_stepsize = 0.01
    trpo_subsample_factor = 0.2

    # Check if variant is available
    if vv['model_type'] not in ['BrushTireModel', 'LinearTireModel']:
        raise ValueError('Unrecognized model type for simulating robot')
    if vv['robot_type'] not in ['MRZR', 'RCCar']:
        raise ValueError('Unrecognized robot type')

    # Load environment
    if not vv['use_ros']:
        env = CircleEnv(target_velocity=vv['target_velocity'],
                        radius=vv['radius'],
                        dt=vv['dt'],
                        model_type=vv['model_type'],
                        robot_type=vv['robot_type'])
    else:
        from aa_simulation.envs.circle.circle_env_ros import CircleEnvROS
        env = CircleEnvROS(target_velocity=vv['target_velocity'],
                           radius=vv['radius'],
                           dt=vv['dt'],
                           model_type=vv['model_type'],
                           robot_type=vv['robot_type'])

    # Save variant information for comparison plots
    variant_file = logger.get_snapshot_dir() + '/variant.json'
    logger.log_variant(variant_file, vv)

    # Set variance for each action component separately for exploration
    # Note: We set the variance manually because we are not scaling our
    #       action space during training.
    init_std_speed = vv['target_velocity'] / 4
    init_std_steer = np.pi / 6
    init_std = [init_std_speed, init_std_steer]

    # Build policy and baseline networks
    # Note: Mean of policy network set to analytically computed values for
    #       faster training (rough estimates for RL to fine-tune).
    if policy is None or baseline is None:
        wheelbase = 0.257
        target_velocity = vv['target_velocity']
        target_steering = np.arctan(wheelbase / vv['radius'])  # CCW
        output_mean = np.array([target_velocity, target_steering])
        hidden_sizes = (32, 32)

        # In mean network, allow output b values to dominate final output
        # value by constraining the magnitude of the output W matrix. This is
        # to allow faster learning. These numbers are arbitrarily chosen.
        W_gain = min(vv['target_velocity'] / 5, np.pi / 15)

        mean_network = MLP(input_shape=(env.spec.observation_space.flat_dim, ),
                           output_dim=env.spec.action_space.flat_dim,
                           hidden_sizes=hidden_sizes,
                           hidden_nonlinearity=LN.tanh,
                           output_nonlinearity=None,
                           output_W_init=LI.GlorotUniform(gain=W_gain),
                           output_b_init=output_mean)
        policy = GaussianMLPPolicy(env_spec=env.spec,
                                   hidden_sizes=hidden_sizes,
                                   init_std=init_std,
                                   mean_network=mean_network)
        baseline = LinearFeatureBaseline(env_spec=env.spec,
                                         target_key='returns')

    # Reset variance to re-enable exploration when using pre-trained networks
    else:
        policy._l_log_std = ParamLayer(
            policy._mean_network.input_layer,
            num_units=env.spec.action_space.flat_dim,
            param=LI.Constant(np.log(init_std)),
            name='output_log_std',
            trainable=True)
        obs_var = policy._mean_network.input_layer.input_var
        mean_var, log_std_var = L.get_output(
            [policy._l_mean, policy._l_log_std])
        policy._log_std_var = log_std_var
        LasagnePowered.__init__(policy, [policy._l_mean, policy._l_log_std])
        policy._f_dist = ext.compile_function(inputs=[obs_var],
                                              outputs=[mean_var, log_std_var])

    safety_baseline = LinearFeatureBaseline(env_spec=env.spec,
                                            target_key='safety_returns')

    safety_constraint = CircleSafetyConstraint(max_value=1.0,
                                               eps=vv['eps'],
                                               baseline=safety_baseline)

    if vv['algo'] == 'TRPO':
        algo = TRPO(
            env=env,
            policy=policy,
            baseline=baseline,
            batch_size=600,
            max_path_length=env.horizon,
            n_itr=600,
            discount=0.99,
            step_size=trpo_stepsize,
            plot=False,
        )
    else:
        algo = CPO(env=env,
                   policy=policy,
                   baseline=baseline,
                   safety_constraint=safety_constraint,
                   batch_size=600,
                   max_path_length=env.horizon,
                   n_itr=600,
                   discount=0.99,
                   step_size=trpo_stepsize,
                   gae_lambda=0.95,
                   safety_gae_lambda=1,
                   optimizer_args={'subsample_factor': trpo_subsample_factor},
                   plot=False)
    algo.train()
예제 #6
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def run_experiment(argv):
    default_log_dir = config.LOG_DIR
    now = datetime.datetime.now(dateutil.tz.tzlocal())

    # avoid name clashes when running distributed jobs
    rand_id = str(uuid.uuid4())[:5]
    timestamp = now.strftime('%Y_%m_%d_%H_%M_%S_%f_%Z')

    default_exp_name = 'experiment_%s_%s' % (timestamp, rand_id)
    parser = argparse.ArgumentParser()
    parser.add_argument(
        '--n_parallel',
        type=int,
        default=1,
        help=
        'Number of parallel workers to perform rollouts. 0 => don\'t start any workers'
    )
    parser.add_argument('--exp_name',
                        type=str,
                        default=default_exp_name,
                        help='Name of the experiment.')
    parser.add_argument('--log_dir',
                        type=str,
                        default=None,
                        help='Path to save the log and iteration snapshot.')
    parser.add_argument('--snapshot_mode',
                        type=str,
                        default='all',
                        help='Mode to save the snapshot. Can be either "all" '
                        '(all iterations will be saved), "last" (only '
                        'the last iteration will be saved), "gap" (every'
                        '`snapshot_gap` iterations are saved), or "none" '
                        '(do not save snapshots)')
    parser.add_argument('--snapshot_gap',
                        type=int,
                        default=1,
                        help='Gap between snapshot iterations.')
    parser.add_argument('--tabular_log_file',
                        type=str,
                        default='progress.csv',
                        help='Name of the tabular log file (in csv).')
    parser.add_argument('--text_log_file',
                        type=str,
                        default='debug.log',
                        help='Name of the text log file (in pure text).')
    parser.add_argument('--params_log_file',
                        type=str,
                        default='params.json',
                        help='Name of the parameter log file (in json).')
    parser.add_argument('--variant_log_file',
                        type=str,
                        default='variant.json',
                        help='Name of the variant log file (in json).')
    parser.add_argument(
        '--resume_from',
        type=str,
        default=None,
        help='Name of the pickle file to resume experiment from.')
    parser.add_argument('--plot',
                        type=ast.literal_eval,
                        default=False,
                        help='Whether to plot the iteration results')
    parser.add_argument(
        '--log_tabular_only',
        type=ast.literal_eval,
        default=False,
        help=
        'Whether to only print the tabular log information (in a horizontal format)'
    )
    parser.add_argument('--seed', type=int, help='Random seed for numpy')
    parser.add_argument('--args_data',
                        type=str,
                        help='Pickled data for stub objects')
    parser.add_argument('--variant_data',
                        type=str,
                        help='Pickled data for variant configuration')
    parser.add_argument('--use_cloudpickle',
                        type=ast.literal_eval,
                        default=False)

    args = parser.parse_args(argv[1:])

    if args.seed is not None:
        set_seed(args.seed)

    if args.n_parallel > 0:
        from rllab.sampler import parallel_sampler
        parallel_sampler.initialize(n_parallel=args.n_parallel)
        if args.seed is not None:
            parallel_sampler.set_seed(args.seed)

    if args.plot:
        from rllab.plotter import plotter
        plotter.init_worker()

    if args.log_dir is None:
        log_dir = osp.join(default_log_dir, args.exp_name)
    else:
        log_dir = args.log_dir
    tabular_log_file = osp.join(log_dir, args.tabular_log_file)
    text_log_file = osp.join(log_dir, args.text_log_file)
    params_log_file = osp.join(log_dir, args.params_log_file)

    if args.variant_data is not None:
        variant_data = pickle.loads(base64.b64decode(args.variant_data))
        variant_log_file = osp.join(log_dir, args.variant_log_file)
        logger.log_variant(variant_log_file, variant_data)
    else:
        variant_data = None

    if not args.use_cloudpickle:
        logger.log_parameters_lite(params_log_file, args)

    logger.add_text_output(text_log_file)
    logger.add_tabular_output(tabular_log_file)
    prev_snapshot_dir = logger.get_snapshot_dir()
    prev_mode = logger.get_snapshot_mode()
    logger.set_snapshot_dir(log_dir)
    logger.set_snapshot_mode(args.snapshot_mode)
    logger.set_snapshot_gap(args.snapshot_gap)
    logger.set_log_tabular_only(args.log_tabular_only)
    logger.push_prefix("[%s] " % args.exp_name)
    #variant_data is the variant dictionary sent from trpoTests_ExpLite
    if (args.resume_from is not None) and (
            '&|&' in args.resume_from
    ):  #separate string on &|& to get iters and file location
        vals = args.resume_from.split(
            '&|&')  #dirRes | numItrs to go | new batchSize
        dirRes = vals[0]
        numItrs = int(vals[1])
        if (len(vals) > 2):
            batchSize = int(vals[2])
        print("resuming from :{}".format(dirRes))
        data = joblib.load(dirRes)
        #data is dict : 'baseline', 'algo', 'itr', 'policy', 'env'
        assert 'algo' in data
        algo = data['algo']
        assert 'policy' in data
        pol = data['policy']
        bl = data['baseline']
        oldBatchSize = algo.batch_size
        algo.n_itr = numItrs
        if (len(vals) > 2):
            algo.batch_size = batchSize
            print(
                'algo iters : {} cur iter :{} oldBatchSize : {} newBatchSize : {}'
                .format(algo.n_itr, algo.current_itr, oldBatchSize,
                        algo.batch_size))
        else:
            print('algo iters : {} cur iter :{} '.format(
                algo.n_itr, algo.current_itr))
        algo.train()
    else:
        print('Not resuming - building new exp')
        # read from stdin
        if args.use_cloudpickle:  #set to use cloudpickle
            import cloudpickle
            method_call = cloudpickle.loads(base64.b64decode(args.args_data))
            method_call(variant_data)
        else:
            print('not use cloud pickle')
            data = pickle.loads(base64.b64decode(args.args_data))
            maybe_iter = concretize(data)
            if is_iterable(maybe_iter):
                for _ in maybe_iter:
                    pass

    logger.set_snapshot_mode(prev_mode)
    logger.set_snapshot_dir(prev_snapshot_dir)
    logger.remove_tabular_output(tabular_log_file)
    logger.remove_text_output(text_log_file)
    logger.pop_prefix()
예제 #7
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def run_experiment(argv):
    default_log_dir = config.LOG_DIR
    now = datetime.datetime.now(dateutil.tz.tzlocal())

    # avoid name clashes when running distributed jobs
    rand_id = str(uuid.uuid4())[:5]
    timestamp = now.strftime('%Y_%m_%d_%H_%M_%S_%f_%Z')

    default_exp_name = 'experiment_%s_%s' % (timestamp, rand_id)
    parser = argparse.ArgumentParser()
    parser.add_argument(
        '--n_parallel',
        type=int,
        default=1,
        help=
        'Number of parallel workers to perform rollouts. 0 => don\'t start any workers'
    )
    parser.add_argument('--exp_name',
                        type=str,
                        default=default_exp_name,
                        help='Name of the experiment.')
    parser.add_argument('--log_dir',
                        type=str,
                        default=None,
                        help='Path to save the log and iteration snapshot.')
    parser.add_argument('--snapshot_mode',
                        type=str,
                        default='all',
                        help='Mode to save the snapshot. Can be either "all" '
                        '(all iterations will be saved), "last" (only '
                        'the last iteration will be saved), "gap" (every'
                        '`snapshot_gap` iterations are saved), or "none" '
                        '(do not save snapshots)')
    parser.add_argument('--snapshot_gap',
                        type=int,
                        default=1,
                        help='Gap between snapshot iterations.')
    parser.add_argument('--tabular_log_file',
                        type=str,
                        default='progress.csv',
                        help='Name of the tabular log file (in csv).')
    parser.add_argument('--text_log_file',
                        type=str,
                        default='debug.log',
                        help='Name of the text log file (in pure text).')
    parser.add_argument('--tensorboard_log_dir',
                        type=str,
                        default='tb',
                        help='Name of the folder for tensorboard_summary.')
    parser.add_argument(
        '--tensorboard_step_key',
        type=str,
        default=None,
        help=
        'Name of the step key in log data which shows the step in tensorboard_summary.'
    )
    parser.add_argument('--params_log_file',
                        type=str,
                        default='params.json',
                        help='Name of the parameter log file (in json).')
    parser.add_argument('--variant_log_file',
                        type=str,
                        default='variant.json',
                        help='Name of the variant log file (in json).')
    parser.add_argument(
        '--resume_from',
        type=str,
        default=None,
        help='Name of the pickle file to resume experiment from.')
    parser.add_argument('--plot',
                        type=ast.literal_eval,
                        default=False,
                        help='Whether to plot the iteration results')
    parser.add_argument(
        '--log_tabular_only',
        type=ast.literal_eval,
        default=False,
        help=
        'Whether to only print the tabular log information (in a horizontal format)'
    )
    parser.add_argument('--seed', type=int, help='Random seed for numpy')
    parser.add_argument('--args_data',
                        type=str,
                        help='Pickled data for stub objects')
    parser.add_argument('--variant_data',
                        type=str,
                        help='Pickled data for variant configuration')
    parser.add_argument('--use_cloudpickle',
                        type=ast.literal_eval,
                        default=False)
    parser.add_argument('--checkpoint_dir',
                        type=str,
                        default='checkpoint',
                        help='Name of the folder for checkpoints.')
    parser.add_argument('--obs_dir',
                        type=str,
                        default='obs',
                        help='Name of the folder for original observations.')

    args = parser.parse_args(argv[1:])

    if args.seed is not None:
        set_seed(args.seed)

    if args.n_parallel > 0:
        from rllab.sampler import parallel_sampler
        parallel_sampler.initialize(n_parallel=args.n_parallel)
        if args.seed is not None:
            parallel_sampler.set_seed(args.seed)

    if args.plot:
        from rllab.plotter import plotter
        plotter.init_worker()

    if args.log_dir is None:
        log_dir = osp.join(default_log_dir, args.exp_name)
    else:
        log_dir = args.log_dir
    tabular_log_file = osp.join(log_dir, args.tabular_log_file)
    text_log_file = osp.join(log_dir, args.text_log_file)
    params_log_file = osp.join(log_dir, args.params_log_file)
    tensorboard_log_dir = osp.join(log_dir, args.tensorboard_log_dir)
    checkpoint_dir = osp.join(log_dir, args.checkpoint_dir)
    obs_dir = osp.join(log_dir, args.obs_dir)

    if args.variant_data is not None:
        variant_data = pickle.loads(base64.b64decode(args.variant_data))
        variant_log_file = osp.join(log_dir, args.variant_log_file)
        logger.log_variant(variant_log_file, variant_data)
    else:
        variant_data = None

    if not args.use_cloudpickle:
        logger.log_parameters_lite(params_log_file, args)

    logger.add_text_output(text_log_file)
    logger.add_tabular_output(tabular_log_file)
    logger.set_tensorboard_dir(tensorboard_log_dir)
    logger.set_checkpoint_dir(checkpoint_dir)
    logger.set_obs_dir(obs_dir)
    prev_snapshot_dir = logger.get_snapshot_dir()
    prev_mode = logger.get_snapshot_mode()
    logger.set_snapshot_dir(log_dir)
    logger.set_snapshot_mode(args.snapshot_mode)
    logger.set_snapshot_gap(args.snapshot_gap)
    logger.set_log_tabular_only(args.log_tabular_only)
    logger.set_tensorboard_step_key(args.tensorboard_step_key)
    logger.push_prefix("[%s] " % args.exp_name)

    git_commit = get_git_commit_hash()
    logger.log('Git commit: {}'.format(git_commit))

    git_diff_file_path = osp.join(log_dir,
                                  'git_diff_{}.patch'.format(git_commit))
    save_git_diff_to_file(git_diff_file_path)

    logger.log('hostname: {}, pid: {}, tmux session: {}'.format(
        socket.gethostname(), os.getpid(), get_tmux_session_name()))

    if args.resume_from is not None:
        data = joblib.load(args.resume_from)
        assert 'algo' in data
        algo = data['algo']
        algo.train()
    else:
        # read from stdin
        if args.use_cloudpickle:
            import cloudpickle
            method_call = cloudpickle.loads(base64.b64decode(args.args_data))
            method_call(variant_data)
        else:
            data = pickle.loads(base64.b64decode(args.args_data))
            maybe_iter = concretize(data)
            if is_iterable(maybe_iter):
                for _ in maybe_iter:
                    pass

    logger.set_snapshot_mode(prev_mode)
    logger.set_snapshot_dir(prev_snapshot_dir)
    logger.remove_tabular_output(tabular_log_file)
    logger.remove_text_output(text_log_file)
    logger.pop_prefix()
예제 #8
0
def run_experiment(
    args_data,
    variant_data=None,
    seed=None,
    n_parallel=1,
    exp_name=None,
    log_dir=None,
    snapshot_mode='all',
    snapshot_gap=1,
    tabular_log_file='progress.csv',
    text_log_file='debug.log',
    params_log_file='params.json',
    variant_log_file='variant.json',
    resume_from=None,
    plot=False,
    log_tabular_only=False,
    log_debug_log_only=False,
):
    default_log_dir = config.LOG_DIR
    now = datetime.datetime.now(dateutil.tz.tzlocal())

    # avoid name clashes when running distributed jobs
    rand_id = str(uuid.uuid4())[:5]
    timestamp = now.strftime('%Y_%m_%d_%H_%M_%S_%f_%Z')

    default_exp_name = 'experiment_%s_%s' % (timestamp, rand_id)
    if exp_name is None:
        exp_name = default_exp_name

    if seed is not None:
        set_seed(seed)

    if n_parallel > 0:
        from rllab.sampler import parallel_sampler
        parallel_sampler.initialize(n_parallel=n_parallel)
        if seed is not None:
            parallel_sampler.set_seed(seed)

    if plot:
        from rllab.plotter import plotter
        plotter.init_worker()

    if log_dir is None:
        log_dir = osp.join(default_log_dir, exp_name)
    else:
        log_dir = log_dir
    tabular_log_file = osp.join(log_dir, tabular_log_file)
    text_log_file = osp.join(log_dir, text_log_file)
    params_log_file = osp.join(log_dir, params_log_file)

    if variant_data is not None:
        variant_data = variant_data
        variant_log_file = osp.join(log_dir, variant_log_file)
        # print(variant_log_file)
        # print(variant_data)
        logger.log_variant(variant_log_file, variant_data)
    else:
        variant_data = None

    logger.add_text_output(text_log_file)
    logger.add_tabular_output(tabular_log_file)
    prev_snapshot_dir = logger.get_snapshot_dir()
    prev_mode = logger.get_snapshot_mode()
    logger.set_snapshot_dir(log_dir)
    logger.set_snapshot_mode(snapshot_mode)
    logger.set_snapshot_gap(snapshot_gap)
    logger.set_log_tabular_only(log_tabular_only)
    logger.set_debug_log_only(log_debug_log_only)
    logger.push_prefix("[%s] " % exp_name)

    if resume_from is not None:
        data = joblib.load(resume_from)
        assert 'algo' in data
        algo = data['algo']
        algo.train()
    else:
        args_data(variant_data)

    logger.set_snapshot_mode(prev_mode)
    logger.set_snapshot_dir(prev_snapshot_dir)
    logger.remove_tabular_output(tabular_log_file)
    logger.remove_text_output(text_log_file)
    logger.pop_prefix()