Exemple #1
0
        def _thunk():
            if env_type == 'unity':
                worker_id = 32 + rank
                print ("***** UnityEnv", env_id, worker_id, rank)
                env = UnityEnv(env_id, worker_id)
            else:
                env = make_atari(env_id) if env_type == 'atari' else gym.make(env_id)
            env.seed(seed + 10000*mpi_rank + rank if seed is not None else None)
            env = Monitor(env,
                          logger.get_dir() and os.path.join(logger.get_dir(), str(mpi_rank) + '.' + str(rank)),
                          allow_early_resets=True)

            if env_type == 'atari': return wrap_deepmind(env, **wrapper_kwargs)
            elif reward_scale != 1: return RewardScaler(env, reward_scale)
            else: return env
        def _thunk():
            if env_type == 'unity':
                from gym_unity.envs import UnityEnv
                import random; r=random.randint(64,164)
                print ("***** HELLO", mpi_rank + r)
                env = UnityEnv(env_id, mpi_rank + r)
            else:
                env = make_atari(env_id) if env_type == 'atari' else gym.make(env_id)
            env.seed(seed + 10000*mpi_rank + rank if seed is not None else None)
            env = Monitor(env,
                          logger.get_dir() and os.path.join(logger.get_dir(), str(mpi_rank) + '.' + str(rank)),
                          allow_early_resets=True)

            if env_type == 'atari': return wrap_deepmind(env, **wrapper_kwargs)
            elif reward_scale != 1: return RewardScaler(env, reward_scale)
            else: return env
Exemple #3
0
def run(env_id, seed, noise_type, layer_norm, evaluation, **kwargs):
    # Configure things.
    rank = MPI.COMM_WORLD.Get_rank()
    if rank != 0:
        logger.set_level(logger.DISABLED)

    # Create envs.
    env = UnityEnv(env_id, rank)
    env = bench.Monitor(env, logger.get_dir() and os.path.join(logger.get_dir(), str(rank)))

    if evaluation and rank==0:
        eval_env = gym.make(env_id)
        eval_env = bench.Monitor(eval_env, os.path.join(logger.get_dir(), 'gym_eval'))
        env = bench.Monitor(env, None)
    else:
        eval_env = None

    # Parse noise_type
    action_noise = None
    param_noise = None
    nb_actions = env.action_space.shape[-1]
    for current_noise_type in noise_type.split(','):
        current_noise_type = current_noise_type.strip()
        if current_noise_type == 'none':
            pass
        elif 'adaptive-param' in current_noise_type:
            _, stddev = current_noise_type.split('_')
            param_noise = AdaptiveParamNoiseSpec(initial_stddev=float(stddev), desired_action_stddev=float(stddev))
        elif 'normal' in current_noise_type:
            _, stddev = current_noise_type.split('_')
            action_noise = NormalActionNoise(mu=np.zeros(nb_actions), sigma=float(stddev) * np.ones(nb_actions))
        elif 'ou' in current_noise_type:
            _, stddev = current_noise_type.split('_')
            action_noise = OrnsteinUhlenbeckActionNoise(mu=np.zeros(nb_actions), sigma=float(stddev) * np.ones(nb_actions))
        else:
            raise RuntimeError('unknown noise type "{}"'.format(current_noise_type))

    # Configure components.
    memory = Memory(limit=int(1e6), action_shape=env.action_space.shape, observation_shape=env.observation_space.shape)
    critic = Critic(layer_norm=layer_norm)
    actor = Actor(nb_actions, layer_norm=layer_norm)

    # Seed everything to make things reproducible.
    seed = seed + 1000000 * rank
    logger.info('rank {}: seed={}, logdir={}'.format(rank, seed, logger.get_dir()))
    tf.reset_default_graph()
    set_global_seeds(seed)
    env.seed(seed)
    if eval_env is not None:
        eval_env.seed(seed)

    # Disable logging for rank != 0 to avoid noise.
    if rank == 0:
        start_time = time.time()
    training.train(env=env, eval_env=eval_env, param_noise=param_noise,
        action_noise=action_noise, actor=actor, critic=critic, memory=memory, **kwargs)
    env.close()
    if eval_env is not None:
        eval_env.close()
    if rank == 0:
        logger.info('total runtime: {}s'.format(time.time() - start_time))
 def _init():
     env = UnityEnv(env_id, rank)
     env.seed(seed + rank)
     return env