def train_trpo(env_id, num_timesteps, seed):
import baselines.common.tf_util as U
sess = U.single_threaded_session()
sess.__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank == 0:
logger.configure()
else:
logger.configure(format_strs=[])
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name, ob_space=ob_space, ac_space=ac_space,
hid_size=32, num_hid_layers=2)
set_global_seeds(workerseed)
env = gym.make(env_id)
env.seed(workerseed)
#timesteps_per_batch=1024
timesteps_per_batch=2048
#trpo_mpi.learn(network='mlp', env=env, total_timesteps=num_timesteps, timesteps_per_batch=timesteps_per_batch,
# max_kl=0.01, cg_iters=10, cg_damping=0.1, gamma=0.99, lam=0.98, vf_iters=5, vf_stepsize=1e-3,seed=workerseed,
# num_layers=2, num_hidden=32)
trpo_mpi.learn(network='mlp',env=env,seed=workerseed,total_timesteps=num_timesteps)
env.close()
def train(env, seed, policy_fn, reward_giver, dataset, algo,
g_step, d_step, policy_entcoeff, num_timesteps, save_per_iter,
checkpoint_dir, pretrained, BC_max_iter, task_name=None):
pretrained_weight = None
if pretrained and (BC_max_iter > 0):
# Pretrain with behavior cloning
from baselines.gail import behavior_clone
pretrained_weight = behavior_clone.learn(env, policy_fn, dataset,
max_iters=BC_max_iter)
if algo == 'trpo':
from baselines.gail import trpo_mpi
# Set up for MPI seed
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env.seed(workerseed)
trpo_mpi.learn(env, policy_fn, reward_giver, dataset, rank,
pretrained=pretrained, pretrained_weight=pretrained_weight,
g_step=g_step, d_step=d_step,
entcoeff=policy_entcoeff,
max_timesteps=num_timesteps,
ckpt_dir=checkpoint_dir,
save_per_iter=save_per_iter,
timesteps_per_batch=1024,
max_kl=0.01, cg_iters=10, cg_damping=0.1,
gamma=0.99, lam=0.97, #0.995 as default
vf_iters=5, vf_stepsize=1e-3,
task_name=task_name)
else:
raise NotImplementedError
def train(num_timesteps):
env = GRID(grid_size=36, square_size=4, stochastic=True)
import baselines.common.tf_util as U
sess = U.single_threaded_session()
sess.__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank == 0:
logger.configure()
else:
logger.configure(format_strs=[])
logger.set_level(logger.DISABLED)
def policy_fn(name, ob_space, ac_space):
return CnnPolicy(name=name,
ob_space=env.observation_space,
ac_space=env.action_space)
trpo_mpi.learn(env,
policy_fn,
timesteps_per_batch=1024,
max_kl=0.01,
cg_iters=10,
cg_damping=0.1,
max_timesteps=num_timesteps,
gamma=0.99,
lam=0.98,
vf_iters=5,
vf_stepsize=1e-3)
env.close()
def train(env,
seed,
policy_entcoeff,
num_timesteps,
num_iters,
checkpoint_dir,
gamma,
task_name=None):
from baselines.trpo_mpi import trpo_mpi
# Set up for MPI seed
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env.seed(workerseed)
trpo_mpi.learn(network=args.network,
env=env,
total_timesteps=num_timesteps,
ent_coef=policy_entcoeff,
max_iters=num_iters,
ckpt_dir=checkpoint_dir,
timesteps_per_batch=args.batchsize,
max_kl=args.max_kl,
cg_iters=args.cg_iters,
cg_damping=args.cg_damping,
gamma=gamma,
lam=0.97,
vf_iters=args.vf_iters,
vf_stepsize=args.vf_stepsize,
task_name=task_name,
num_layers=args.policy_hidden_layer,
num_hidden=args.policy_hidden_size)
def train(env_id, num_frames, seed):
from baselines.trpo_mpi.nosharing_cnn_policy import CnnPolicy
from baselines.trpo_mpi import trpo_mpi
import baselines.common.tf_util as U
rank = MPI.COMM_WORLD.Get_rank()
sess = U.single_threaded_session()
sess.__enter__()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env = gym.make(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(), "%i.monitor.json"%rank))
env.seed(workerseed)
gym.logger.setLevel(logging.WARN)
env = wrap_train(env)
num_timesteps = int(num_frames / 4 * 1.1)
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=num_timesteps, gamma=0.98, lam=1.0, vf_iters=3, vf_stepsize=1e-4, entcoeff=0.00)
env.close()
def train(env_id, num_timesteps, seed):
import baselines.common.tf_util as U
sess = U.single_threaded_session()
sess.__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank == 0:
logger.configure()
else:
logger.configure(format_strs=[])
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name,
ob_space=ob_space,
ac_space=ac_space,
hid_size=32,
num_hid_layers=2)
env = make_mujoco_env(env_id, workerseed)
trpo_mpi.learn(env,
policy_fn,
timesteps_per_batch=1024,
max_kl=0.01,
cg_iters=10,
cg_damping=0.1,
max_timesteps=num_timesteps,
gamma=0.99,
lam=0.98,
vf_iters=5,
vf_stepsize=1e-3)
env.close()
def train(env, seed, policy_fn, reward_giver, dataset,
g_step, d_step, policy_entcoeff, num_timesteps,
checkpoint_dir, pretrained, BC_max_iter, gamma, rnd_iter, dyn_norm, task_name=None):
pretrained_weight = None
if pretrained and (BC_max_iter > 0):
# Pretrain with behavior cloning
from baselines.rnd_gail.behavior_clone import learn as bc_learn
pretrained_weight = bc_learn(env, policy_fn, dataset, task_name, max_iters=BC_max_iter, ckpt_dir=checkpoint_dir)
from baselines.rnd_gail import trpo_mpi
# Set up for MPI seed
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env.seed(workerseed)
trpo_mpi.learn(env, policy_fn, reward_giver, dataset, rank,
pretrained=pretrained, pretrained_weight=pretrained_weight,
g_step=g_step, d_step=d_step,
entcoeff=policy_entcoeff,
max_timesteps=num_timesteps,
ckpt_dir=checkpoint_dir,
timesteps_per_batch=1024,
max_kl=args.max_kl, cg_iters=10, cg_damping=0.1,
gamma=gamma, lam=0.97,
vf_iters=5, vf_stepsize=1e-3,
task_name=task_name, rnd_iter=rnd_iter, dyn_norm=dyn_norm, mmd=args.reward==2)
def train(env_id, num_timesteps, seed, flight_log_dir, ckpt_dir, model_ckpt_path):
import baselines.common.tf_util as U
sess = U.single_threaded_session()
sess.__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank == 0:
logger.configure()
else:
logger.configure(format_strs=[])
logger.set_level(logger.DISABLED)
workerseed = seed + 1000000 * rank
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name, ob_space=ob_space, ac_space=ac_space,
hid_size=32, num_hid_layers=2)
flight_log = FlightLog(flight_log_dir)
env = gym.make(env_id)
env.seed(workerseed)
set_global_seeds(workerseed)
trpo_mpi.learn(env, policy_fn, timesteps_per_batch=1024, max_kl=0.01, cg_iters=10, cg_damping=0.1,
max_timesteps=num_timesteps, gamma=0.99, lam=0.98, vf_iters=5,
vf_stepsize=1e-3,
flight_log = flight_log,
ckpt_dir = ckpt_dir,
model_ckpt_path = model_ckpt_path
)
env.close()
def train(env_id, num_frames, seed):
from baselines.ppo1 import pposgd_simple, cnn_policy
import baselines.common.tf_util as U
rank = MPI.COMM_WORLD.Get_rank()
sess = U.single_threaded_session()
sess.__enter__()
if rank != 0: logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env = gym.make(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(), "%i.monitor.json" % rank))
env.seed(workerseed)
gym.logger.setLevel(logging.WARN)
env = wrap_train(env)
num_timesteps = int(num_frames / 4 * 1.1)
env.seed(workerseed)
pposgd_simple.learn(env, policy_fn,
max_timesteps=num_timesteps,
timesteps_per_batch=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()
def train(env, seed, policy_fn, reward_giver, dataset, algo,
g_step, d_step, policy_entcoeff, num_timesteps, save_per_iter,
checkpoint_dir, log_dir, pretrained, BC_max_iter, task_name=None):
pretrained_weight = None
if pretrained and (BC_max_iter > 0):
# Pretrain with behavior cloning
from baselines.gail import behavior_clone
pretrained_weight = behavior_clone.learn(env, policy_fn, dataset,
max_iters=BC_max_iter)
if algo == 'trpo':
from baselines.gail import trpo_mpi
# Set up for MPI seed
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env.seed(workerseed)
trpo_mpi.learn(env, policy_fn, reward_giver, dataset, rank,
pretrained=pretrained, pretrained_weight=pretrained_weight,
g_step=g_step, d_step=d_step,
entcoeff=policy_entcoeff,
max_timesteps=num_timesteps,
ckpt_dir=checkpoint_dir, log_dir=log_dir,
save_per_iter=save_per_iter,
timesteps_per_batch=1024,
max_kl=0.01, cg_iters=10, cg_damping=0.1,
gamma=0.995, lam=0.97,
vf_iters=5, vf_stepsize=1e-3,
task_name=task_name)
else:
raise NotImplementedError
def train(env_id, num_frames, seed):
from baselines.ppo1 import pposgd_simple, cnn_policy
import baselines.common.tf_util as U
rank = MPI.COMM_WORLD.Get_rank()
sess = U.single_threaded_session()
sess.__enter__()
if rank != 0: logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * rank
set_global_seeds(workerseed)
env = gym.make(env_id)
env.seed(seed)
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, osp.join(logger.get_dir(), "%i.monitor.json" % rank))
env.seed(workerseed)
gym.logger.setLevel(logging.WARN)
env = wrap_train(env)
num_timesteps = int(num_frames / 4 * 1.1)
env.seed(workerseed)
pposgd_simple.learn(env, policy_fn,
max_timesteps=num_timesteps,
timesteps_per_batch=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()
def train(env_id, seed):
from baselines.ppo1 import pposgd_simple, cnn_policy
import baselines.common.tf_util as U
rank = MPI.COMM_WORLD.Get_rank()
sess = U.single_threaded_session()
sess.__enter__()
if rank != 0: logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env = gym.make(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(), "%i.monitor.json" % rank))
env.seed(workerseed)
gym.logger.setLevel(logging.WARN)
env = wrap_train(env)
env.seed(workerseed)
task_name = "ppo." + args.env.split("-")[0] + "." + ("%.2f"%args.entcoeff)
args.checkpoint_dir = osp.join(args.checkpoint_dir, task_name)
pposgd_simple.learn(env, policy_fn,
max_timesteps=args.num_timesteps,
timesteps_per_batch=256,
clip_param=0.2, entcoeff=args.entcoeff,
optim_epochs=4, optim_stepsize=1e-3, optim_batchsize=64,
gamma=0.99, lam=0.95,
sample_stochastic=args.sample_stochastic, task_name=task_name, save_per_iter=args.save_per_iter,
ckpt_dir=args.checkpoint_dir, load_model_path=args.load_model_path, task=args.task)
env.close()
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)
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.
# TODO: Change back to 1e6
memory = Memory(limit=int(1e2), state_shape=env.state_space.shape, 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()
kwargs.pop('state_shape')
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 train(env,
num_timesteps,
seed,
ckpt_dir=None,
render=False,
ckpt_freq=0,
restore_dir=None,
optim_stepsize=3e-4,
schedule="linear",
gamma=0.99,
optim_epochs=10,
optim_batchsize=64,
horizon=2048):
from baselines.common.fc_learning_utils import FlightLog
from mpi4py import MPI
from baselines import logger
from baselines.ppo1.mlp_policy import MlpPolicy
from baselines.common import set_global_seeds
from baselines.ppo1 import pposgd_simple
import baselines.common.tf_util as U
sess = U.single_threaded_session()
sess.__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank == 0:
logger.configure()
else:
logger.configure(format_strs=[])
logger.set_level(logger.DISABLED)
workerseed = seed + 1000000 * rank
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name,
ob_space=ob_space,
ac_space=ac_space,
hid_size=32,
num_hid_layers=2)
if render:
env.render()
env.seed(workerseed)
set_global_seeds(workerseed)
pposgd_simple.learn(env,
policy_fn,
max_timesteps=num_timesteps,
timesteps_per_actorbatch=horizon,
clip_param=0.2,
entcoeff=0.0,
optim_epochs=optim_epochs,
optim_stepsize=optim_stepsize,
optim_batchsize=optim_batchsize,
gamma=0.99,
lam=0.95,
schedule=schedule,
flight_log=None,
ckpt_dir=ckpt_dir,
restore_dir=restore_dir,
save_timestep_period=ckpt_freq)
env.close()
def train(self, env, nb_steps):
# Configure things.
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
logger.set_level(logger.DISABLED)
# Parse noise_type
action_noise = None
param_noise = None
nb_actions = env.action_space.shape[-1]
param_noise = AdaptiveParamNoiseSpec(initial_stddev=float(0.2),
desired_action_stddev=float(0.2))
# Configure components.
memory = Memory(limit=int(1e6),
action_shape=env.action_space.shape,
observation_shape=env.observation_space.shape)
critic = Critic(layer_norm=True)
actor = Actor(nb_actions, layer_norm=True)
# Seed everything to make things reproducible.
seed = self.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)
# Disable logging for rank != 0 to avoid noise.
if rank == 0:
start_time = time.time()
#load_state("D:\project\osim-rl-helper\ddpg.pkl")
training.train(env=env,
param_noise=param_noise,
restore=True,
action_noise=action_noise,
actor=actor,
critic=critic,
memory=memory,
nb_epochs=1,
nb_epoch_cycles=1,
render_eval=False,
reward_scale=1.0,
render=False,
normalize_returns=False,
normalize_observations=True,
critic_l2_reg=1e-2,
actor_lr=1e-4,
critic_lr=1e-3,
popart=False,
gamma=0.99,
clip_norm=None,
nb_train_steps=nb_steps,
nb_rollout_steps=5,
nb_eval_steps=5,
batch_size=64)
#save_state("D:\project\osim-rl-helper\ddpg.pkl")
if rank == 0:
logger.info('total runtime: {}s'.format(time.time() - start_time))
def run(env_id, seed, noise_type, layer_norm, evaluation, **kwargs):
# Only rank 0 worker to report results
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 on DDPG is enabled, create new environment
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'))
# Parse noise type
action_noise = None
param_noise = None
nb_actions = env.action_space.shape[-1] # Example: converts (4,) to 4
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(initia)
def run(seed, noise_type, layer_norm, **kwargs):
"""Configure things."""
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0: logger.set_level(logger.DISABLED)
"""Create Simulation envs."""
# env = PegintoHoles()
"""Create True envs"""
env = Env_robot_control()
nb_actions = env.action_dim
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))
"""Parse noise_type"""
action_noise = None
param_noise = None
"""Configure components."""
memory = Memory(limit=int(1e5),
action_shape=env.action_dim,
observation_shape=env.state_dim)
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)
"""Disable logging to avoid noise."""
start_time = time.time()
"""Evaluate the result"""
Test(env=env,
param_noise=param_noise,
action_noise=action_noise,
actor=actor,
critic=critic,
memory=memory,
**kwargs)
"""Eval the result"""
logger.info('total runtime: {}s'.format(time.time() - start_time))
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)
logger.configure(dir='/home/vaisakhs_shaj/Desktop/DeepReinforcementLearning/5_Deep_Deterministic_Policy_Gradients/LOGS/OSIM')
# Create envs.
env = ProstheticsEnv(visualize=True)
env.change_model(model = '2D', difficulty = 0, prosthetic = True, seed=seed)
#env.seed(seed)
#env = bench.Monitor(env, logger.get_dir() and os.path.join(logger.get_dir(), str(rank)))
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(2e6), 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 + 2000000 * 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 train(env_id, num_timesteps, seed):
import baselines.common.tf_util as U
sess = U.single_threaded_session()
sess.__enter__()
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
# Create a new base directory like /tmp/openai-2018-05-21-12-27-22-552435
log_dir = os.path.join(
energyplus_logbase_dir(),
datetime.datetime.now().strftime("openai-%Y-%m-%d-%H-%M-%S-%f"))
if not os.path.exists(log_dir + '/output'):
os.makedirs(log_dir + '/output')
os.environ["ENERGYPLUS_LOG"] = log_dir
model = os.getenv('ENERGYPLUS_MODEL')
if model is None:
print('Environment variable ENERGYPLUS_MODEL is not defined')
os.exit()
weather = os.getenv('ENERGYPLUS_WEATHER')
if weather is None:
print('Environment variable ENERGYPLUS_WEATHER is not defined')
os.exit()
rank = MPI.COMM_WORLD.Get_rank()
if rank == 0:
print('train: init logger with dir={}'.format(log_dir)) #XXX
logger.configure(log_dir)
else:
logger.configure(format_strs=[])
logger.set_level(logger.DISABLED)
env = make_energyplus_env(env_id, workerseed)
ac = env.action_space.sample()
ob = env.reset()
ac = np.array([-0.8, -0.8, 1.0, 1.0])
for iter in range(num_timesteps):
if ob[1] > 23.6:
ac[0] -= 0.01
ac[2] += 0.05
if ob[1] < 23.4:
ac[0] += 0.01
ac[2] -= 0.05
if ob[2] > 23.6:
ac[1] -= 0.01
ac[3] += 0.05
if ob[2] < 23.4:
ac[1] += 0.01
ac[3] -= 0.05
ob, rew, done, _ = env.step(ac)
#print(ob)
if done:
ob = env.reset()
env.close()
def train(env_id,
num_timesteps,
seed,
learn=trpo_mpi.learn,
policy_fn_class=MlpPolicy):
import baselines.common.tf_util as U
def policy_fn(name, ob_space, ac_space):
return policy_fn_class(name=name,
ob_space=ob_space,
ac_space=ac_space,
hid_size=32,
num_hid_layers=2)
sess = U.single_threaded_session()
sess.__enter__()
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
# Create a new base directory like /tmp/openai-2018-05-21-12-27-22-552435
log_dir = os.path.join(
energyplus_logbase_dir(),
datetime.datetime.now().strftime("openai-%Y-%m-%d-%H-%M-%S-%f"))
if not os.path.exists(log_dir + '/output'):
os.makedirs(log_dir + '/output')
os.environ["ENERGYPLUS_LOG"] = log_dir
model = os.getenv('ENERGYPLUS_MODEL')
if model is None:
print('Environment variable ENERGYPLUS_MODEL is not defined')
return
weather = os.getenv('ENERGYPLUS_WEATHER')
if weather is None:
print('Environment variable ENERGYPLUS_WEATHER is not defined')
return
rank = MPI.COMM_WORLD.Get_rank()
if rank == 0:
print('train: init logger with dir={}'.format(log_dir)) # XXX
logger.configure(log_dir)
else:
logger.configure(format_strs=[])
logger.set_level(logger.DISABLED)
env = make_energyplus_env(env_id, workerseed)
learn(
env,
policy_fn,
max_timesteps=num_timesteps,
# timesteps_per_batch=1*1024, max_kl=0.01, cg_iters=10, cg_damping=0.1,
timesteps_per_batch=16 * 1024,
max_kl=0.01,
cg_iters=10,
cg_damping=0.1,
gamma=0.99,
lam=0.98,
vf_iters=5,
vf_stepsize=1e-3)
env.close()
def run(cfg, seed, noise_type, layer_norm, evaluation, architecture, **kwargs):
if MPI.COMM_WORLD.Get_rank() == 0:
dir_path = os.path.dirname(os.path.realpath(__file__))
logger.configure(dir_path, ['stdout'])
# Configure things.
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
logger.set_level(logger.DISABLED)
# Create envs.
env = GRLEnv(cfg)
gym.logger.setLevel(logging.WARN)
env = MyMonitor(env, os.path.join(logger.get_dir(), kwargs['output']))
# 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, theta = current_noise_type.split('_')
action_noise = OrnsteinUhlenbeckActionNoise(mu=np.zeros(nb_actions), dt=0.03,
sigma=float(stddev) * np.ones(nb_actions),
theta=float(theta) * 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 = MyCritic(layer_norm=layer_norm, architecture=architecture)
actor = MyActor(nb_actions, layer_norm=layer_norm, architecture=architecture)
# 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)
# Disable logging for rank != 0 to avoid noise.
if rank == 0:
start_time = time.time()
training.train(env=env, param_noise=param_noise, action_noise=action_noise,
actor=actor, critic=critic, memory=memory, **kwargs)
env.close()
if rank == 0:
logger.info('total runtime: {}s'.format(time.time() - start_time))
def train(env_id, rank, environment_args, stacked_obs, num_hidden_units,
max_iters, checkpoint_dir, log_dir, timesteps_per_batch, render,
seed):
sess = U.single_threaded_session()
sess.__enter__()
if rank == 0:
logger.configure()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env = gym.make(env_id)
if environment_args is not None:
try:
env.unwrapped.set_environment_config(environment_args)
except:
print("Can't set the configuration to the environment!")
if rank == 0:
with open(osp.join(checkpoint_dir, "args.txt"), "a") as f:
f.write("\nEnvironment argument:\n")
for k, v in env.unwrapped._config.items():
f.write("{}: {}\n".format(k, v))
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name,
ob_space=env.observation_space,
ac_space=env.action_space,
hid_size=num_hidden_units,
num_hid_layers=2)
env = bench.Monitor(env,
logger.get_dir()
and osp.join(logger.get_dir(), str(rank)),
allow_early_resets=True)
# Support the stacked the frames
env = FrameStack_Mujoco(env, stacked_obs)
env.seed(workerseed)
gym.logger.setLevel(logging.WARN)
trpo_mpi.learn(env,
policy_fn,
checkpoint_dir,
log_dir,
render=render,
timesteps_per_batch=timesteps_per_batch,
max_kl=0.01,
cg_iters=10,
cg_damping=0.1,
max_iters=max_iters,
gamma=0.99,
lam=0.98,
vf_iters=5,
vf_stepsize=1e-3)
env.close()
def train(env_id, num_timesteps, seed):
from baselines.ppo1 import mlp_policy, pposgd_simple
"""
tf_config = tf.ConfigProto(
inter_op_parallelism_threads=1,
intra_op_parallelism_threads=1)
tf_config.gpu_options.allow_growth = True
tf.Session(config=tf_config).__enter__()
"""
U.make_session(num_cpu=1).__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0: logger.set_level(logger.DISABLED)
#U.make_session(num_cpu=1).__enter__()
workerseed = seed + MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
if args.env.lower() == "learntorun":
from learntorun_env import LearnToRunEnv
env = LearnToRunEnv(difficulty=0)
else:
env = gym.make(env_id)
def policy_fn(name, ob_space, ac_space):
return mlp_policy.MlpPolicy(name=name, ob_space=ob_space, ac_space=ac_space,
hid_size=64, num_hid_layers=2)
env = bench.Monitor(env, logger.get_dir() and
osp.join(logger.get_dir(), "{}.monitor.json".format(rank)))
env.seed(workerseed)
gym.logger.setLevel(logging.WARN)
pposgd_simple.learn(env, policy_fn,
max_timesteps=num_timesteps,
timesteps_per_batch=args.timesteps_per_batch,
clip_param=0.2, entcoeff=0.0,
optim_epochs=args.epochs, optim_stepsize=3e-4, optim_batchsize=args.optim_batchsize,
gamma=0.99, lam=0.95, schedule=args.schedule,
)
"""
pposgd_simple.learn(env, policy_fn,
max_timesteps=num_timesteps,
timesteps_per_batch=4096,
clip_param=0.2, entcoeff=0.0,
optim_epochs=10, optim_stepsize=3e-4, optim_batchsize=512,
gamma=0.99, lam=0.95, schedule='adapt', desired_kl=0.02,
)
"""
"""
# specifically for humanoid
pposgd_simple.learn(env, policy_fn,
max_timesteps=num_timesteps,
timesteps_per_batch=512,
clip_param=0.2, entcoeff=0.0,
optim_epochs=15, optim_stepsize=3e-4, optim_batchsize=4096,
gamma=0.99, lam=0.95, schedule='adapt', # add adapt
)
"""
env.close()
def run(env_id, seed, noise_type, layer_norm, evaluation, **kwargs):
param_noise = None
# 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
nb_actions = env.action_space.shape[-1]
action_noise = OrnsteinUhlenbeckActionNoise(mu=np.zeros(nb_actions),
sigma=np.ones(nb_actions))
# Configure components.
memory = Memory(limit=int(1e6),
action_shape=env.action_space.shape,
observation_shape=env.observation_space.shape)
actor = Actor(nb_actions, layer_norm=layer_norm)
critic = Critic(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,
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 main(args):
from baselines.ppo1 import mlp_policy
U.make_session(num_cpu=args.num_cpu).__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=64, 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, ret_threshold=args.ret_threshold, traj_limitation=args.traj_limitation)
pretrained_weight = None
if args.pretrained:
# Pretrain with behavior cloning
from algo import behavior_clone
pretrained_weight = behavior_clone.learn(env, policy_fn, dataset,
max_iters=args.BC_max_iter,
ckpt_dir=args.checkpoint_dir, log_dir=args.log_dir)
from network.adversary import TransitionClassifier
# discriminator
discriminator = TransitionClassifier(env, args.adversary_hidden_size, entcoeff=args.adversary_entcoeff)
if args.algo == 'trpo':
# Set up for MPI seed
from mpi4py import MPI
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = args.seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env.seed(workerseed)
from algo import trpo_mpi
if args.task == 'train':
trpo_mpi.learn(env, policy_fn, discriminator, dataset,
pretrained=args.pretrained, pretrained_weight=pretrained_weight,
g_step=args.g_step, d_step=args.d_step,
timesteps_per_batch=1024,
max_kl=args.max_kl, cg_iters=10, cg_damping=0.1,
max_timesteps=args.num_timesteps,
entcoeff=args.policy_entcoeff, gamma=0.995, lam=0.97,
vf_iters=5, vf_stepsize=1e-3,
ckpt_dir=args.checkpoint_dir, log_dir=args.log_dir,
save_per_iter=args.save_per_iter, load_model_path=args.load_model_path,
task_name=task_name)
elif args.task == 'evaluate':
trpo_mpi.evaluate(env, policy_fn, args.load_model_path, timesteps_per_batch=1024,
number_trajs=10, stocahstic_policy=args.stocahstic_policy)
else: raise NotImplementedError
else: raise NotImplementedError
env.close()
def train_copos(env_id, num_timesteps, seed):
import baselines.common.tf_util as U
sess = U.single_threaded_session()
sess.__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank == 0:
logger.configure()
else:
logger.configure(format_strs=[])
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
def policy_fn(name, ob_space, ac_space):
return CompatibleMlpPolicy(name=name,
ob_space=ob_space,
ac_space=ac_space,
hid_size=32,
num_hid_layers=2)
set_global_seeds(workerseed)
env = gym.make(env_id)
env.seed(workerseed)
timesteps_per_batch = 1024
beta = -1
if beta < 0:
nr_episodes = num_timesteps // timesteps_per_batch
# Automatically compute beta based on initial entropy and number of iterations
tmp_pi = policy_fn("tmp_pi", env.observation_space, env.action_space)
sess.run(tf.global_variables_initializer())
tmp_ob = np.zeros((1, ) + env.observation_space.shape)
entropy = sess.run(tmp_pi.pd.entropy(), feed_dict={tmp_pi.ob: tmp_ob})
beta = 2 * entropy / nr_episodes
print("Initial entropy: " + str(entropy) + ", episodes: " +
str(nr_episodes))
print("Automatically set beta: " + str(beta))
copos_mpi.learn(env,
policy_fn,
timesteps_per_batch=timesteps_per_batch,
epsilon=0.01,
beta=beta,
cg_iters=10,
cg_damping=0.1,
max_timesteps=num_timesteps,
gamma=0.99,
lam=0.98,
vf_iters=5,
vf_stepsize=1e-3)
env.close()
def start_experiment(**args):
make_env = partial(make_env_all_params, args=args)
logger.set_level(logger.DEBUG)
trainer = Trainer(make_env=make_env,
num_timesteps=int(1e8),
envs_per_process=N_THREADS) #TODO
log, tf_sess = get_experiment_environment(**args)
with log, tf_sess:
logdir = logger.get_dir()
print("results will be saved to ", logdir)
trainer.train()
def train(env,
seed,
writer,
policy_fn,
med_fn,
dataset,
g_step,
m_step,
e_step,
inner_iters,
pi_stepsize,
med_stepsize,
num_timesteps,
save_per_iter,
checkpoint_dir,
log_dir,
pretrained,
BC_max_iter,
task_name=None):
pretrained_weight = None
if pretrained and (BC_max_iter > 0):
from baselines.gail import behavior_clone
pretrained_weight = behavior_clone.learn(env,
policy_fn,
dataset,
max_iters=BC_max_iter)
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env.seed(workerseed)
learner.learn(env,
policy_fn,
med_fn,
dataset,
pretrained,
pretrained_weight,
g_step,
m_step,
e_step,
inner_iters,
save_per_iter,
checkpoint_dir,
log_dir,
med_stepsize=med_stepsize,
pi_stepsize=pi_stepsize,
max_timesteps=num_timesteps,
timesteps_per_batch=1024,
task_name=task_name,
writer=writer)
def createEnv(env_id='CartPole-v1', seed=0):
import baselines.common.tf_util as U
sess = U.single_threaded_session()
sess.__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank == 0:
logger.configure()
else:
logger.configure(format_strs=[])
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
return make_mujoco_env(env_id, workerseed)
def run(cfg, num_timesteps, seed, hid_size, **kwargs):
dir_path = os.path.dirname(os.path.realpath(__file__))
logger.configure(dir_path, ['stdout'])
sess = U.single_threaded_session()
sess.__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env = GRLEnv(cfg)
env.set_test(False)
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name,
ob_space=env.observation_space,
ac_space=env.action_space,
hid_size=hid_size,
num_hid_layers=2)
env = MyMonitor(env,
osp.join(logger.get_dir(), kwargs['output']),
report='learn')
env.seed(workerseed)
gym.logger.setLevel(logging.WARN)
if kwargs['evaluation']:
trpo_mpi.play(sess,
env,
policy_fn,
timesteps_per_batch=1024,
load_file=kwargs['load_file'])
else:
trpo_mpi.learn(sess,
env,
policy_fn,
timesteps_per_batch=1024,
max_kl=0.01,
cg_iters=10,
cg_damping=0.1,
max_timesteps=num_timesteps,
gamma=0.99,
lam=0.98,
vf_iters=5,
vf_stepsize=1e-3,
**kwargs)
env.close()
def train(env_id, seed):
from baselines.trpo_mpi.nosharing_cnn_policy import CnnPolicy
from baselines.trpo_mpi import trpo_mpi
import baselines.common.tf_util as U
rank = MPI.COMM_WORLD.Get_rank()
sess = U.single_threaded_session()
sess.__enter__()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env = gym.make(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(), "%i.monitor.json" % rank))
env.seed(workerseed)
gym.logger.setLevel(logging.WARN)
env = wrap_train(env)
env.seed(workerseed)
task_name = "trpo." + args.env.split("-")[0] + "." + ("%.2f" %
args.entcoeff)
args.checkpoint_dir = osp.join(args.checkpoint_dir, task_name)
trpo_mpi.learn(env,
policy_fn,
timesteps_per_batch=512,
max_kl=0.001,
cg_iters=10,
cg_damping=1e-3,
max_timesteps=args.num_timesteps,
gamma=0.98,
lam=1.0,
vf_iters=3,
vf_stepsize=1e-4,
entcoeff=args.entcoeff,
sample_stochastic=args.sample_stochastic,
task_name=task_name,
save_per_iter=args.save_per_iter,
ckpt_dir=args.checkpoint_dir,
load_model_path=args.load_model_path,
task=args.task)
env.close()
def evaluate(env_id, environment_args, stacked_obs, num_hidden_units,
load_model_path, timesteps_per_batch, video_prefix, render,
record, seed, info_list):
sess = U.single_threaded_session()
sess.__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env = gym.make(env_id)
if environment_args is not None:
try:
env.unwrapped.set_environment_config(environment_args)
except:
print("Can't set the configuration to the environment!")
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name,
ob_space=env.observation_space,
ac_space=env.action_space,
hid_size=num_hidden_units,
num_hid_layers=2)
env = bench.Monitor(env,
logger.get_dir()
and osp.join(logger.get_dir(), str(rank)),
allow_early_resets=True)
# Support the stacked the frames
env = FrameStack_Mujoco(env, stacked_obs)
env.seed(workerseed)
gym.logger.setLevel(logging.WARN)
trpo_mpi.evaluate(
env,
policy_fn,
timesteps_per_batch,
load_model_path,
video_prefix,
record=record,
render=render,
info_list=info_list,
gamma=0.99,
lam=0.98,
)
env.close()
def train(env_id, num_timesteps, seed):
import baselines.common.tf_util as U
sess = U.single_threaded_session()
sess.__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank == 0:
logger.configure()
else:
logger.configure(format_strs=[])
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name, ob_space=ob_space, ac_space=ac_space,
hid_size=32, num_hid_layers=2)
env = make_mujoco_env(env_id, workerseed)
trpo_mpi.learn(env, policy_fn, timesteps_per_batch=1024, max_kl=0.01, cg_iters=10, cg_damping=0.1,
max_timesteps=num_timesteps, gamma=0.99, lam=0.98, vf_iters=5, vf_stepsize=1e-3)
env.close()
def train(env_id, num_timesteps, seed):
import baselines.common.tf_util as U
sess = U.single_threaded_session()
sess.__enter__()
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
logger.set_level(logger.DISABLED)
workerseed = seed + 10000 * MPI.COMM_WORLD.Get_rank()
set_global_seeds(workerseed)
env = gym.make(env_id)
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name, ob_space=env.observation_space, ac_space=env.action_space,
hid_size=32, num_hid_layers=2)
env = bench.Monitor(env, logger.get_dir() and
osp.join(logger.get_dir(), "%i.monitor.json" % rank))
env.seed(workerseed)
gym.logger.setLevel(logging.WARN)
trpo_mpi.learn(env, policy_fn, timesteps_per_batch=1024, max_kl=0.01, cg_iters=10, cg_damping=0.1,
max_timesteps=num_timesteps, gamma=0.99, lam=0.98, vf_iters=5, vf_stepsize=1e-3)
env.close()
def run(env_id, seed, noise_type, num_cpu, layer_norm, logdir, gym_monitor, evaluation, bind_to_core, **kwargs):
kwargs['logdir'] = logdir
whoami = mpi_fork(num_cpu, bind_to_core=bind_to_core)
if whoami == 'parent':
sys.exit(0)
# Configure things.
rank = MPI.COMM_WORLD.Get_rank()
if rank != 0:
# Write to temp directory for all non-master workers.
actual_dir = None
Logger.CURRENT.close()
Logger.CURRENT = Logger(dir=mkdtemp(), output_formats=[])
logger.set_level(logger.DISABLED)
# Create envs.
if rank == 0:
env = gym.make(env_id)
if gym_monitor and logdir:
env = gym.wrappers.Monitor(env, os.path.join(logdir, 'gym_train'), force=True)
env = SimpleMonitor(env)
if evaluation:
eval_env = gym.make(env_id)
if gym_monitor and logdir:
eval_env = gym.wrappers.Monitor(eval_env, os.path.join(logdir, 'gym_eval'), force=True)
eval_env = SimpleMonitor(eval_env)
else:
eval_env = None
else:
env = gym.make(env_id)
if evaluation:
eval_env = gym.make(env_id)
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()
Logger.CURRENT.close()
if rank == 0:
logger.info('total runtime: {}s'.format(time.time() - start_time))
