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
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