コード例 #1
0
def train(env_id, num_timesteps, seed):
    from test.baselines.trpo_mpi.nosharing_cnn_policy import CnnPolicy
    from test.baselines.trpo_mpi import trpo_mpi
    import test.baselines.common.tf_util as U
    rank = MPI.COMM_WORLD.Get_rank()
    sess = U.single_threaded_session()
    sess.__enter__()
    if rank == 0:
        logger.configure()
    else:
        logger.configure(format_strs=[])

    workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
    set_global_seeds(workerseed)
    env = make_atari(env_id)
    def policy_fn(name, ob_space, ac_space): #pylint: disable=W0613
        return CnnPolicy(name=name, ob_space=env.observation_space, ac_space=env.action_space)
    env = bench.Monitor(env, logger.get_dir() and osp.join(logger.get_dir(), str(rank)))
    env.seed(workerseed)

    env = wrap_deepmind(env)
    env.seed(workerseed)

    trpo_mpi.learn(env, policy_fn, timesteps_per_batch=512, max_kl=0.001, cg_iters=10, cg_damping=1e-3,
        max_timesteps=int(num_timesteps * 1.1), gamma=0.98, lam=1.0, vf_iters=3, vf_stepsize=1e-4, entcoeff=0.00)
    env.close()
コード例 #2
0
def main(args):
    U.make_session(num_cpu=1).__enter__()
    set_global_seeds(args.seed)
    env = gym.make(args.env_id)

    def policy_fn(name, ob_space, ac_space, reuse=False):
        return mlp_policy.MlpPolicy(name=name,
                                    ob_space=ob_space,
                                    ac_space=ac_space,
                                    reuse=reuse,
                                    hid_size=args.policy_hidden_size,
                                    num_hid_layers=2)

    env = bench.Monitor(
        env,
        logger.get_dir() and osp.join(logger.get_dir(), "monitor.json"))
    env.seed(args.seed)
    gym.logger.setLevel(logging.WARN)
    task_name = get_task_name(args)
    args.checkpoint_dir = osp.join(args.checkpoint_dir, task_name)
    args.log_dir = osp.join(args.log_dir, task_name)

    if args.task == 'train':
        dataset = Mujoco_Dset(expert_path=args.expert_path,
                              traj_limitation=args.traj_limitation)
        reward_giver = TransitionClassifier(env,
                                            args.adversary_hidden_size,
                                            entcoeff=args.adversary_entcoeff)
        train(env, args.seed, policy_fn, reward_giver, dataset, args.algo,
              args.g_step, args.d_step, args.policy_entcoeff,
              args.num_timesteps, args.save_per_iter, args.checkpoint_dir,
              args.log_dir, args.pretrained, args.BC_max_iter, task_name)
    elif args.task == 'evaluate':
        runner(env,
               policy_fn,
               args.load_model_path,
               timesteps_per_batch=1024,
               number_trajs=10,
               stochastic_policy=args.stochastic_policy,
               save=args.save_sample)
    else:
        raise NotImplementedError
    env.close()
コード例 #3
0
def train(env_id, num_timesteps, seed):
    from test.baselines.ppo1 import pposgd_simple, cnn_policy
    import test.baselines.common.tf_util as U
    rank = MPI.COMM_WORLD.Get_rank()
    sess = U.single_threaded_session()
    sess.__enter__()
    if rank == 0:
        logger.configure()
    else:
        logger.configure(format_strs=[])
    workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
    set_global_seeds(workerseed)
    env = make_atari(env_id)

    def policy_fn(name, ob_space, ac_space):  #pylint: disable=W0613
        return cnn_policy.CnnPolicy(name=name,
                                    ob_space=ob_space,
                                    ac_space=ac_space)

    env = bench.Monitor(
        env,
        logger.get_dir() and osp.join(logger.get_dir(), str(rank)))
    env.seed(workerseed)

    env = wrap_deepmind(env)
    env.seed(workerseed)

    pposgd_simple.learn(env,
                        policy_fn,
                        max_timesteps=int(num_timesteps * 1.1),
                        timesteps_per_actorbatch=256,
                        clip_param=0.2,
                        entcoeff=0.01,
                        optim_epochs=4,
                        optim_stepsize=1e-3,
                        optim_batchsize=64,
                        gamma=0.99,
                        lam=0.95,
                        schedule='linear')
    env.close()
コード例 #4
0
def main(args):
    U.make_session(num_cpu=1).__enter__()
    set_global_seeds(args.seed)
    env = gym.make(args.env_id)

    def policy_fn(name, ob_space, ac_space, reuse=False):
        return mlp_policy.MlpPolicy(name=name,
                                    ob_space=ob_space,
                                    ac_space=ac_space,
                                    reuse=reuse,
                                    hid_size=args.policy_hidden_size,
                                    num_hid_layers=2)

    env = bench.Monitor(
        env,
        logger.get_dir() and osp.join(logger.get_dir(), "monitor.json"))
    env.seed(args.seed)
    gym.logger.setLevel(logging.WARN)
    task_name = get_task_name(args)
    args.checkpoint_dir = osp.join(args.checkpoint_dir, task_name)
    args.log_dir = osp.join(args.log_dir, task_name)
    dataset = Mujoco_Dset(expert_path=args.expert_path,
                          traj_limitation=args.traj_limitation)
    savedir_fname = learn(env,
                          policy_fn,
                          dataset,
                          max_iters=args.BC_max_iter,
                          ckpt_dir=args.checkpoint_dir,
                          log_dir=args.log_dir,
                          task_name=task_name,
                          verbose=True)
    avg_len, avg_ret = runner(env,
                              policy_fn,
                              savedir_fname,
                              timesteps_per_batch=1024,
                              number_trajs=10,
                              stochastic_policy=args.stochastic_policy,
                              save=args.save_sample,
                              reuse=True)
コード例 #5
0
def main():
    parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
    parser.add_argument('--env', help='environment ID', default='BreakoutNoFrameskip-v4')
    parser.add_argument('--seed', help='RNG seed', type=int, default=0)
    parser.add_argument('--prioritized', type=int, default=1)
    parser.add_argument('--prioritized-replay-alpha', type=float, default=0.6)
    parser.add_argument('--dueling', type=int, default=1)
    parser.add_argument('--num-timesteps', type=int, default=int(10e6))
    args = parser.parse_args()
    logger.configure()
    set_global_seeds(args.seed)
    env = make_atari(args.env)
    env = bench.Monitor(env, logger.get_dir())
    env = deepq.wrap_atari_dqn(env)
    model = deepq.models.cnn_to_mlp(
        convs=[(32, 8, 4), (64, 4, 2), (64, 3, 1)],
        hiddens=[256],
        dueling=bool(args.dueling),
    )

    deepq.learn(
        env,
        q_func=model,
        lr=1e-4,
        max_timesteps=args.num_timesteps,
        buffer_size=10000,
        exploration_fraction=0.1,
        exploration_final_eps=0.01,
        train_freq=4,
        learning_starts=10000,
        target_network_update_freq=1000,
        gamma=0.99,
        prioritized_replay=bool(args.prioritized),
        prioritized_replay_alpha=args.prioritized_replay_alpha
    )

    env.close()
コード例 #6
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 = gym.make(env_id)
    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 = 2   #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=(nb_actions,), 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.test(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))
コード例 #7
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 def make_env():
     env = gym.make(env_id)
     env = bench.Monitor(env, logger.get_dir())
     return env