def _register_if_needed(env_object):
if isinstance(env_object, six.string_types):
return env_object
elif isinstance(env_object, type):
name = env_object.__name__
register_env(name, lambda config: env_object(config))
return name
def check_support(alg, config, stats, check_bounds=False):
for a_name, action_space in ACTION_SPACES_TO_TEST.items():
for o_name, obs_space in OBSERVATION_SPACES_TO_TEST.items():
print("=== Testing", alg, action_space, obs_space, "===")
stub_env = make_stub_env(action_space, obs_space, check_bounds)
register_env("stub_env", lambda c: stub_env())
stat = "ok"
a = None
try:
a = get_agent_class(alg)(config=config, env="stub_env")
a.train()
except UnsupportedSpaceException:
stat = "unsupported"
except Exception as e:
stat = "ERROR"
print(e)
print(traceback.format_exc())
finally:
if a:
try:
a.stop()
except Exception as e:
print("Ignoring error stopping agent", e)
pass
print(stat)
print()
stats[alg, a_name, o_name] = stat
def testPyTorchModel(self):
ModelCatalog.register_custom_model("composite", TorchSpyModel)
register_env("nested", lambda _: NestedDictEnv())
a2c = A2CAgent(
env="nested",
config={
"num_workers": 0,
"use_pytorch": True,
"sample_batch_size": 5,
"train_batch_size": 5,
"model": {
"custom_model": "composite",
},
})
a2c.train()
# Check that the model sees the correct reconstructed observations
for i in range(4):
seen = pickle.loads(
ray.experimental.internal_kv._internal_kv_get(
"torch_spy_in_{}".format(i)))
pos_i = DICT_SAMPLES[i]["sensors"]["position"].tolist()
cam_i = DICT_SAMPLES[i]["sensors"]["front_cam"][0].tolist()
task_i = one_hot(
DICT_SAMPLES[i]["inner_state"]["job_status"]["task"], 5)
self.assertEqual(seen[0][0].tolist(), pos_i)
self.assertEqual(seen[1][0].tolist(), cam_i)
self.assertEqual(seen[2][0].tolist(), task_i)
def doTestNestedTuple(self, make_env):
ModelCatalog.register_custom_model("composite2", TupleSpyModel)
register_env("nested2", make_env)
pg = PGAgent(
env="nested2",
config={
"num_workers": 0,
"sample_batch_size": 5,
"train_batch_size": 5,
"model": {
"custom_model": "composite2",
},
})
pg.train()
# Check that the model sees the correct reconstructed observations
for i in range(4):
seen = pickle.loads(
ray.experimental.internal_kv._internal_kv_get(
"t_spy_in_{}".format(i)))
pos_i = TUPLE_SAMPLES[i][0].tolist()
cam_i = TUPLE_SAMPLES[i][1][0].tolist()
task_i = one_hot(TUPLE_SAMPLES[i][2], 5)
self.assertEqual(seen[0][0].tolist(), pos_i)
self.assertEqual(seen[1][0].tolist(), cam_i)
self.assertEqual(seen[2][0].tolist(), task_i)
def doTestNestedDict(self, make_env, test_lstm=False):
ModelCatalog.register_custom_model("composite", DictSpyModel)
register_env("nested", make_env)
pg = PGAgent(
env="nested",
config={
"num_workers": 0,
"sample_batch_size": 5,
"train_batch_size": 5,
"model": {
"custom_model": "composite",
"use_lstm": test_lstm,
},
})
pg.train()
# Check that the model sees the correct reconstructed observations
for i in range(4):
seen = pickle.loads(
ray.experimental.internal_kv._internal_kv_get(
"d_spy_in_{}".format(i)))
pos_i = DICT_SAMPLES[i]["sensors"]["position"].tolist()
cam_i = DICT_SAMPLES[i]["sensors"]["front_cam"][0].tolist()
task_i = one_hot(
DICT_SAMPLES[i]["inner_state"]["job_status"]["task"], 5)
self.assertEqual(seen[0][0].tolist(), pos_i)
self.assertEqual(seen[1][0].tolist(), cam_i)
self.assertEqual(seen[2][0].tolist(), task_i)
def testMinibatchSequencing(self):
ModelCatalog.register_custom_model("rnn", RNNSpyModel)
register_env("counter", lambda _: DebugCounterEnv())
ppo = PPOAgent(
env="counter",
config={
"num_workers": 0,
"sample_batch_size": 20,
"train_batch_size": 20,
"sgd_minibatch_size": 10,
"vf_share_layers": True,
"simple_optimizer": False,
"num_sgd_iter": 1,
"model": {
"custom_model": "rnn",
"max_seq_len": 4,
},
})
ppo.train()
ppo.train()
# first epoch: 20 observations get split into 2 minibatches of 8
# four observations are discarded
batch0 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_0"))
batch1 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_1"))
if batch0["sequences"][0][0][0] > batch1["sequences"][0][0][0]:
batch0, batch1 = batch1, batch0 # sort minibatches
self.assertEqual(batch0["seq_lens"].tolist(), [4, 4])
self.assertEqual(batch1["seq_lens"].tolist(), [4, 3])
self.assertEqual(batch0["sequences"].tolist(), [
[[0], [1], [2], [3]],
[[4], [5], [6], [7]],
])
self.assertEqual(batch1["sequences"].tolist(), [
[[8], [9], [10], [11]],
[[12], [13], [14], [0]],
])
# second epoch: 20 observations get split into 2 minibatches of 8
# four observations are discarded
batch2 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_2"))
batch3 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_3"))
if batch2["sequences"][0][0][0] > batch3["sequences"][0][0][0]:
batch2, batch3 = batch3, batch2
self.assertEqual(batch2["seq_lens"].tolist(), [4, 4])
self.assertEqual(batch3["seq_lens"].tolist(), [2, 4])
self.assertEqual(batch2["sequences"].tolist(), [
[[5], [6], [7], [8]],
[[9], [10], [11], [12]],
])
self.assertEqual(batch3["sequences"].tolist(), [
[[13], [14], [0], [0]],
[[0], [1], [2], [3]],
])
def testTrainCartpole(self):
register_env("test", lambda _: SimpleServing(gym.make("CartPole-v0")))
pg = PGAgent(env="test", config={"num_workers": 0})
for i in range(100):
result = pg.train()
print("Iteration {}, reward {}, timesteps {}".format(
i, result["episode_reward_mean"], result["timesteps_total"]))
if result["episode_reward_mean"] >= 100:
return
raise Exception("failed to improve reward")
def testSimpleOptimizerSequencing(self):
ModelCatalog.register_custom_model("rnn", RNNSpyModel)
register_env("counter", lambda _: DebugCounterEnv())
ppo = PPOAgent(
env="counter",
config={
"num_workers": 0,
"sample_batch_size": 10,
"train_batch_size": 10,
"sgd_minibatch_size": 10,
"vf_share_layers": True,
"simple_optimizer": True,
"num_sgd_iter": 1,
"model": {
"custom_model": "rnn",
"max_seq_len": 4,
},
})
ppo.train()
ppo.train()
batch0 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_0"))
self.assertEqual(
batch0["sequences"].tolist(),
[[[0], [1], [2], [3]], [[4], [5], [6], [7]], [[8], [9], [0], [0]]])
self.assertEqual(batch0["seq_lens"].tolist(), [4, 4, 2])
self.assertEqual(batch0["state_in"][0][0].tolist(), [0, 0, 0])
self.assertEqual(batch0["state_in"][1][0].tolist(), [0, 0, 0])
self.assertGreater(abs(np.sum(batch0["state_in"][0][1])), 0)
self.assertGreater(abs(np.sum(batch0["state_in"][1][1])), 0)
self.assertTrue(
np.allclose(batch0["state_in"][0].tolist()[1:],
batch0["state_out"][0].tolist()[:-1]))
self.assertTrue(
np.allclose(batch0["state_in"][1].tolist()[1:],
batch0["state_out"][1].tolist()[:-1]))
batch1 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_1"))
self.assertEqual(batch1["sequences"].tolist(), [
[[10], [11], [12], [13]],
[[14], [0], [0], [0]],
[[0], [1], [2], [3]],
[[4], [0], [0], [0]],
])
self.assertEqual(batch1["seq_lens"].tolist(), [4, 1, 4, 1])
self.assertEqual(batch1["state_in"][0][2].tolist(), [0, 0, 0])
self.assertEqual(batch1["state_in"][1][2].tolist(), [0, 0, 0])
self.assertGreater(abs(np.sum(batch1["state_in"][0][0])), 0)
self.assertGreater(abs(np.sum(batch1["state_in"][1][0])), 0)
self.assertGreater(abs(np.sum(batch1["state_in"][0][1])), 0)
self.assertGreater(abs(np.sum(batch1["state_in"][1][1])), 0)
self.assertGreater(abs(np.sum(batch1["state_in"][0][3])), 0)
self.assertGreater(abs(np.sum(batch1["state_in"][1][3])), 0)
def run(args, parser):
def create_environment(env_config):
# This import must happen inside the method so that worker processes import this code
import roboschool
return gym.make(args.env)
if not args.config:
# Load configuration from file
config_dir = os.path.dirname(args.checkpoint)
# params.json is saved in the model directory during ray training by default
config_path = os.path.join(config_dir, "params.json")
with open(config_path) as f:
args.config = json.load(f)
if not args.env:
if not args.config.get("env"):
parser.error("the following arguments are required: --env")
args.env = args.config.get("env")
ray.init()
register_env(args.env, create_environment)
cls = get_agent_class(args.algorithm)
config = args.config
config["monitor"] = False
config["num_workers"] = 1
config["num_gpus"] = 0
agent = cls(env=args.env, config=config)
agent.restore(args.checkpoint)
num_episodes = int(args.evaluate_episodes)
if args.algorithm == "DQN":
env = gym.make(args.env)
env = wrap_dqn(env, args.config.get("model", {}))
else:
env = ModelCatalog.get_preprocessor_as_wrapper(gym.make(args.env))
env = wrappers.Monitor(env, OUTPUT_DIR, force=True, video_callable=lambda episode_id: True)
all_rewards = []
for episode in range(num_episodes):
steps = 0
state = env.reset()
done = False
reward_total = 0.0
while not done:
action = agent.compute_action(state)
next_state, reward, done, _ = env.step(action)
reward_total += reward
steps += 1
state = next_state
all_rewards.append(reward_total)
print("Episode reward: %s. Episode steps: %s" % (reward_total, steps))
print("Mean Reward:", np.mean(all_rewards))
print("Max Reward:", np.max(all_rewards))
print("Min Reward:", np.min(all_rewards))
def testTrainMultiCartpoleSinglePolicy(self):
n = 10
register_env("multi_cartpole", lambda _: MultiCartpole(n))
pg = PGAgent(env="multi_cartpole", config={"num_workers": 0})
for i in range(100):
result = pg.train()
print("Iteration {}, reward {}, timesteps {}".format(
i, result["episode_reward_mean"], result["timesteps_total"]))
if result["episode_reward_mean"] >= 50 * n:
return
raise Exception("failed to improve reward")
def check_support_multiagent(alg, config):
register_env("multi_mountaincar", lambda _: MultiMountainCar(2))
register_env("multi_cartpole", lambda _: MultiCartpole(2))
if "DDPG" in alg:
a = get_agent_class(alg)(config=config, env="multi_mountaincar")
else:
a = get_agent_class(alg)(config=config, env="multi_cartpole")
try:
a.train()
finally:
a.stop()
def _register_if_needed(self, env_object):
if isinstance(env_object, six.string_types):
return env_object
elif isinstance(env_object, type):
name = env_object.__name__
register_env(name, lambda config: env_object(config))
return name
raise ValueError(
"{} is an invalid env specification. ".format(env_object) +
"You can specify a custom env as either a class "
"(e.g., YourEnvCls) or a registered env id (e.g., \"your_env\").")
def testTrainCartpoleOffPolicy(self):
register_env(
"test3", lambda _: PartOffPolicyServing(
gym.make("CartPole-v0"), off_pol_frac=0.2))
dqn = DQNAgent(env="test3", config={"exploration_fraction": 0.001})
for i in range(100):
result = dqn.train()
print("Iteration {}, reward {}, timesteps {}".format(
i, result["episode_reward_mean"], result["timesteps_total"]))
if result["episode_reward_mean"] >= 100:
return
raise Exception("failed to improve reward")
def testQueryEvaluators(self):
register_env("test", lambda _: gym.make("CartPole-v0"))
pg = PGAgent(
env="test", config={
"num_workers": 2,
"sample_batch_size": 5
})
results = pg.optimizer.foreach_evaluator(
lambda ev: ev.sample_batch_size)
results2 = pg.optimizer.foreach_evaluator_with_index(
lambda ev, i: (i, ev.sample_batch_size))
self.assertEqual(results, [5, 5, 5])
self.assertEqual(results2, [(0, 5), (1, 5), (2, 5)])
def testMultiAgent(self):
register_env("multi_cartpole", lambda _: MultiCartpole(10))
single_env = gym.make("CartPole-v0")
def gen_policy():
obs_space = single_env.observation_space
act_space = single_env.action_space
return (PGPolicyGraph, obs_space, act_space, {})
pg = PGAgent(
env="multi_cartpole",
config={
"num_workers": 0,
"output": self.test_dir,
"multiagent": {
"policy_graphs": {
"policy_1": gen_policy(),
"policy_2": gen_policy(),
},
"policy_mapping_fn": (
lambda agent_id: random.choice(
["policy_1", "policy_2"])),
},
})
pg.train()
self.assertEqual(len(os.listdir(self.test_dir)), 1)
pg.stop()
pg = PGAgent(
env="multi_cartpole",
config={
"num_workers": 0,
"input": self.test_dir,
"input_evaluation": ["simulation"],
"train_batch_size": 2000,
"multiagent": {
"policy_graphs": {
"policy_1": gen_policy(),
"policy_2": gen_policy(),
},
"policy_mapping_fn": (
lambda agent_id: random.choice(
["policy_1", "policy_2"])),
},
})
for _ in range(50):
result = pg.train()
if not np.isnan(result["episode_reward_mean"]):
return # simulation ok
time.sleep(0.1)
assert False, "did not see any simulation results"
def testRolloutDictSpace(self):
register_env("nested", lambda _: NestedDictEnv())
agent = PGAgent(env="nested")
agent.train()
path = agent.save()
agent.stop()
# Test train works on restore
agent2 = PGAgent(env="nested")
agent2.restore(path)
agent2.train()
# Test rollout works on restore
rollout(agent2, "nested", 100)
def testMultiAgentComplexSpaces(self):
ModelCatalog.register_custom_model("dict_spy", DictSpyModel)
ModelCatalog.register_custom_model("tuple_spy", TupleSpyModel)
register_env("nested_ma", lambda _: NestedMultiAgentEnv())
act_space = spaces.Discrete(2)
pg = PGAgent(
env="nested_ma",
config={
"num_workers": 0,
"sample_batch_size": 5,
"train_batch_size": 5,
"multiagent": {
"policy_graphs": {
"tuple_policy": (
PGPolicyGraph, TUPLE_SPACE, act_space,
{"model": {"custom_model": "tuple_spy"}}),
"dict_policy": (
PGPolicyGraph, DICT_SPACE, act_space,
{"model": {"custom_model": "dict_spy"}}),
},
"policy_mapping_fn": lambda a: {
"tuple_agent": "tuple_policy",
"dict_agent": "dict_policy"}[a],
},
})
pg.train()
for i in range(4):
seen = pickle.loads(
ray.experimental.internal_kv._internal_kv_get(
"d_spy_in_{}".format(i)))
pos_i = DICT_SAMPLES[i]["sensors"]["position"].tolist()
cam_i = DICT_SAMPLES[i]["sensors"]["front_cam"][0].tolist()
task_i = one_hot(
DICT_SAMPLES[i]["inner_state"]["job_status"]["task"], 5)
self.assertEqual(seen[0][0].tolist(), pos_i)
self.assertEqual(seen[1][0].tolist(), cam_i)
self.assertEqual(seen[2][0].tolist(), task_i)
for i in range(4):
seen = pickle.loads(
ray.experimental.internal_kv._internal_kv_get(
"t_spy_in_{}".format(i)))
pos_i = TUPLE_SAMPLES[i][0].tolist()
cam_i = TUPLE_SAMPLES[i][1][0].tolist()
task_i = one_hot(TUPLE_SAMPLES[i][2], 5)
self.assertEqual(seen[0][0].tolist(), pos_i)
self.assertEqual(seen[1][0].tolist(), cam_i)
self.assertEqual(seen[2][0].tolist(), task_i)
def testQueryEvaluators(self):
register_env("test", lambda _: gym.make("CartPole-v0"))
pg = PGAgent(
env="test",
config={
"num_workers": 2,
"sample_batch_size": 5,
"num_envs_per_worker": 2,
})
results = pg.optimizer.foreach_evaluator(
lambda ev: ev.sample_batch_size)
results2 = pg.optimizer.foreach_evaluator_with_index(
lambda ev, i: (i, ev.sample_batch_size))
results3 = pg.optimizer.foreach_evaluator(
lambda ev: ev.foreach_env(lambda env: 1))
self.assertEqual(results, [10, 10, 10])
self.assertEqual(results2, [(0, 10), (1, 10), (2, 10)])
self.assertEqual(results3, [[1, 1], [1, 1], [1, 1]])
def testTrainMultiCartpoleMultiPolicy(self):
n = 10
register_env("multi_cartpole", lambda _: MultiCartpole(n))
single_env = gym.make("CartPole-v0")
def gen_policy():
config = {
"gamma": random.choice([0.5, 0.8, 0.9, 0.95, 0.99]),
"n_step": random.choice([1, 2, 3, 4, 5]),
}
obs_space = single_env.observation_space
act_space = single_env.action_space
return (PGPolicyGraph, obs_space, act_space, config)
pg = PGAgent(
env="multi_cartpole",
config={
"num_workers": 0,
"multiagent": {
"policy_graphs": {
"policy_1": gen_policy(),
"policy_2": gen_policy(),
},
"policy_mapping_fn": lambda agent_id: "policy_1",
},
})
# Just check that it runs without crashing
for i in range(10):
result = pg.train()
print("Iteration {}, reward {}, timesteps {}".format(
i, result["episode_reward_mean"], result["timesteps_total"]))
self.assertTrue(
pg.compute_action([0, 0, 0, 0], policy_id="policy_1") in [0, 1])
self.assertTrue(
pg.compute_action([0, 0, 0, 0], policy_id="policy_2") in [0, 1])
self.assertRaises(
KeyError,
lambda: pg.compute_action([0, 0, 0, 0], policy_id="policy_3"))
register(
id=env_name,
entry_point='ray.rllib.examples:' + "MultiAgentMountainCarEnv",
max_episode_steps=200,
kwargs={}
)
def create_env(env_config):
pass_params_to_gym(env_name)
env = gym.envs.make(env_name)
return env
if __name__ == '__main__':
register_env(env_name, lambda env_config: create_env(env_config))
config = ppo.DEFAULT_CONFIG.copy()
horizon = 10
num_cpus = 4
ray.init(num_cpus=num_cpus, redirect_output=True)
config["num_workers"] = num_cpus
config["timesteps_per_batch"] = 10
config["num_sgd_iter"] = 10
config["gamma"] = 0.999
config["horizon"] = horizon
config["use_gae"] = False
config["model"].update({"fcnet_hiddens": [256, 256]})
options = {"multiagent_obs_shapes": [2, 2],
"multiagent_act_shapes": [1, 1],
"multiagent_shared_model": False,
"multiagent_fcnet_hiddens": [[32, 32]] * 2}
return 0
def step(self, action):
return 0, 0, True, {}
def leaked_processes():
"""Returns whether any subprocesses were leaked."""
result = subprocess.check_output(
"ps aux | grep '{}' | grep -v grep || true".format(UNIQUE_CMD),
shell=True)
return result
if __name__ == "__main__":
register_env("subproc", lambda config: EnvWithSubprocess(config))
ray.init()
assert os.path.exists(UNIQUE_FILE_0)
assert os.path.exists(UNIQUE_FILE_1)
assert not leaked_processes()
run_experiments({
"demo": {
"run": "PG",
"env": "subproc",
"num_samples": 1,
"config": {
"num_workers": 1,
},
"stop": {
"training_iteration": 1
},
env_name = 'sonic_env'
# Note that the hyperparameters have been tuned for sonic, which can be used
# run by replacing the below function with:
#
# register_env(env_name, lambda config: sonic_on_ray.make(
# game='SonicTheHedgehog-Genesis',
# state='GreenHillZone.Act1'))
#
# However, to try Sonic, you have to obtain the ROM yourself (see then
# instructions at https://github.com/openai/retro/blob/master/README.md).
# register_env(env_name,
# lambda config: sonic_on_ray.make(game='Airstriker-Genesis',
# state='Level1'))
register_env(env_name,
lambda config: sonic_on_ray.make(game='BustAMove-Snes',
state='BustAMove.1pplay.Level10'))
ray.init()
run_experiments({
'sonic-ppo': {
'run': 'PPO',
'env': 'sonic_env',
# 'trial_resources': {
# 'gpu': 2, # note, keep this in sync with 'devices' config value
# 'cpu': lambda spec: spec.config.num_workers, # one cpu per worker
# },
'config': {
# grid search over learning rate
'sgd_stepsize': grid_search([1e-4, 5e-5, 1e-5, 5e-6]),
def _reset(self):
self.cur_pos = 0
return [self.cur_pos]
def _step(self, action):
assert action in [0, 1]
if action == 0 and self.cur_pos > 0:
self.cur_pos -= 1
elif action == 1:
self.cur_pos += 1
done = self.cur_pos >= self.end_pos
return [self.cur_pos], 1 if done else 0, done, {}
if __name__ == "__main__":
env_creator_name = "corridor"
register_env(env_creator_name, lambda config: SimpleCorridor(config))
ray.init()
run_experiments({
"demo": {
"run": "PPO",
"env": "corridor",
"config": {
"env_config": {
"corridor_length": 5,
},
},
},
})
def test_no_step_on_init(self):
# Allow for Unittest run.
ray.init(num_cpus=5, ignore_reinit_error=True)
register_env("fail", lambda _: FailOnStepEnv())
pg = PGTrainer(env="fail", config={"num_workers": 1})
self.assertRaises(Exception, lambda: pg.train())
auxiliary_name_scope=False):
last_layer = slim.fully_connected(
input_dict["obs"], 64, activation_fn=tf.nn.relu, scope="fc1")
last_layer = slim.fully_connected(
last_layer, 64, activation_fn=tf.nn.relu, scope="fc2")
output = slim.fully_connected(
last_layer, num_outputs, activation_fn=None, scope="fc_out")
return output, last_layer
if __name__ == "__main__":
args = parser.parse_args()
ray.init()
# Simple environment with `num_agents` independent cartpole entities
register_env("multi_cartpole", lambda _: MultiCartpole(args.num_agents))
ModelCatalog.register_custom_model("model1", CustomModel1)
ModelCatalog.register_custom_model("model2", CustomModel2)
single_env = gym.make("CartPole-v0")
obs_space = single_env.observation_space
act_space = single_env.action_space
# Each policy can have a different configuration (including custom model)
def gen_policy(i):
config = {
"model": {
"custom_model": ["model1", "model2"][i % 2],
},
"gamma": random.choice([0.95, 0.99]),
}
return (PPOPolicyGraph, obs_space, act_space, config)
return parser.parse_args()
if __name__ == '__main__':
args = get_parser()
# Start ray
ray.init()
# NOTE: We are using DuckietownLF environment because SteeringToWheelVelWrapper does not cooperate with multimap.
ModelCatalog.register_custom_model(
"image-ddpg",
DDPGRLLibModel,
)
register_env("DuckieTown-MultiMap",
lambda _: MultiMapSteeringToWheelVelWrapper(MultiMapEnv()))
csv_path = "searches/ddpg_results.csv"
starting_idx = 0
if os.path.exists(csv_path):
with open(csv_path, mode="r") as f:
starting_idx = len(f.readlines())
for search_idx in trange(args.n_searches, desc="Searches"):
config = {
"framework": "torch",
"model": {
"custom_model": "image-ddpg",
},
# "use_state_preprocessor": True,
"learning_starts": 0,
spaces.Box(
low=-10, high=10,
shape=(config["observation_size"],),
dtype=np.float32))
def run(self):
print("Starting policy server at {}:{}".format(SERVER_ADDRESS,
SERVER_PORT))
server = PolicyServer(self, SERVER_ADDRESS, SERVER_PORT)
server.serve_forever()
if __name__ == "__main__":
args = parser.parse_args()
ray.init()
register_env("srv", lambda config: SimpleServing(config))
if args.run == "DQN":
trainer = DQNTrainer(
env="srv",
config={
# Use a single process to avoid needing a load balancer
"num_workers": 0,
# Configure the trainer to run short iterations for debugging
"exploration_fraction": 0.01,
"learning_starts": 100,
"timesteps_per_iteration": 200,
"env_config": {
"observation_size": args.observation_size,
"action_size": args.action_size,
},
import ray
from ray.tune.registry import register_env
from ray.tune import run_experiments
from ray.rllib.agents import ppo
def env_creator(env_config={}):
env = QuadLocEnv(dataDir='/home/Pearl/quantm/RL_env/data/', num=500)
num = env.action_space.n
# print("Action:", num)
env.reset()
return env
register_env("QuadLocEnv-v0", env_creator)
############
ray.init(use_raylet=True, redis_password=os.urandom(128).hex())
register_env("QuadLocEnv-v0", env_creator)
experiment_spec = {
"custom_env": {
"run": "A3C",
"env": "QuadLocEnv-v0",
# "restore": checkpoint,
"config": {
"model": {
"custom_model": "ConvNet2D",
},
},
# save the flow params for replay
flow_json = json.dumps(flow_params,
cls=FlowParamsEncoder,
sort_keys=True,
indent=4) # generating a string version of flow_params
config['env_config'][
'flow_params'] = flow_json # adding the flow_params to config dict
config['env_config']['run'] = alg_run
# Call the utility function make_create_env to be able to
# register the Flow env for this experiment
create_env, gym_name = make_create_env(params=flow_params, version=0)
config["env"] = gym_name
# Register as rllib env with Gym
register_env(gym_name, create_env)
exp = Experiment(
flow_params["exp_tag"],
**{
"run": alg_run,
"config": {
**config
},
"checkpoint_freq": 5, # number of iterations between checkpoints
"checkpoint_at_end": True, # generate a checkpoint at the end
"max_failures": 5,
"stop": { # stopping conditions
"training_iteration": 400, # number of iterations to stop after
},
"num_samples": 1,
def run(args, parser):
def create_environment(env_config):
return gym.make(args.env)
if not args.config:
# Load configuration from file
config_dir = os.path.dirname(args.checkpoint)
# params.json is saved in the model directory during ray training by default
config_path = os.path.join(config_dir, "params.json")
with open(config_path) as f:
args.config = json.load(f)
if not args.env:
if not args.config.get("env"):
parser.error("the following arguments are required: --env")
args.env = args.config.get("env")
ray.init()
register_env(args.env, create_environment)
if ray.__version__ >= "0.6.5":
from ray.rllib.agents.registry import get_agent_class
else:
from ray.rllib.agents.agent import get_agent_class
cls = get_agent_class(args.algorithm)
config = args.config
config["monitor"] = False
config["num_workers"] = 1
config["num_gpus"] = 0
agent = cls(env=args.env, config=config)
agent.restore(args.checkpoint)
num_episodes = int(args.evaluate_episodes)
if ray.__version__ >= "0.6.5":
env = gym.make(args.env)
else:
from ray.rllib.agents.dqn.common.wrappers import wrap_dqn
if args.algorithm == "DQN":
env = gym.make(args.env)
env = wrap_dqn(env, args.config.get("model", {}))
else:
env = ModelCatalog.get_preprocessor_as_wrapper(gym.make(args.env))
env = wrappers.Monitor(env, OUTPUT_DIR, force=True, video_callable=lambda episode_id: True)
all_rewards = []
for episode in range(num_episodes):
steps = 0
state = env.reset()
done = False
reward_total = 0.0
while not done:
action = agent.compute_action(state)
next_state, reward, done, _ = env.step(action)
reward_total += reward
steps += 1
state = next_state
all_rewards.append(reward_total)
print("Episode reward: %s. Episode steps: %s" % (reward_total, steps))
print("Mean Reward:", np.mean(all_rewards))
print("Max Reward:", np.max(all_rewards))
print("Min Reward:", np.min(all_rewards))
from ray.tune.registry import register_env
from wanderer_roborobo import WandererRoborobo
if __name__ == "__main__":
ray.init(num_cpus=1, num_gpus=1)
#%%
n_players = 1
max_moves = 1000
agents_id = ['player{:d}'.format(i) for i in range(n_players)]
actions = {agents_id[i]: 1 for i in range(n_players)}
register_env("wanderer_roborobo",
lambda _: WandererRoborobo(n_players, max_moves))
act_space = WandererRoborobo.action_space
obs_space = WandererRoborobo.observation_space
policies = {
agents_id[i]: (None, obs_space, act_space, {})
for i in range(n_players)
}
def select_policy(agent_id):
return agent_id
config = {
"num_gpus": 0,
'num_workers': 0,
from ray.tune.registry import register_env
from nes_py.wrappers import JoypadSpace
from ray.rllib.env.atari_wrappers import WarpFrame
import gym_tetris
from gym_tetris.actions import MOVEMENT
def tetris_env_creator(version="TetrisA-v0"):
def env_creator(env_config):
env = gym_tetris.make(version)
env = JoypadSpace(env, MOVEMENT)
env = WarpFrame(env, dim=84)
return env
return env_creator
register_env("TetrisA-v0", tetris_env_creator("TetrisA-v0"))
register_env("TetrisA-v1", tetris_env_creator("TetrisA-v1"))
register_env("TetrisA-v2", tetris_env_creator("TetrisA-v2"))
register_env("TetrisA-v3", tetris_env_creator("TetrisA-v3"))
sgd_minibatch_size=128))
# Combined training flow
train_op = Concurrently([ppo_train_op, dqn_train_op],
mode="async",
output_indexes=[1])
return StandardMetricsReporting(train_op, workers, config)
if __name__ == "__main__":
args = parser.parse_args()
ray.init()
# Simple environment with 4 independent cartpole entities
register_env("multi_agent_cartpole",
lambda _: MultiAgentCartPole({"num_agents": 4}))
single_env = gym.make("CartPole-v0")
obs_space = single_env.observation_space
act_space = single_env.action_space
# Note that since the trainer below does not include a default policy or
# policy configs, we have to explicitly set it in the multiagent config:
policies = {
"ppo_policy": (PPOTFPolicy, obs_space, act_space, PPO_CONFIG),
"dqn_policy": (DQNTFPolicy, obs_space, act_space, DQN_CONFIG),
}
def policy_mapping_fn(agent_id):
if agent_id % 2 == 0:
return "ppo_policy"
else:
self.dts_taken_so_far = 1
return self.env.env.robot.calc_state() #return state of robot
def step(self, action):
input("Press Enter .....")
print("Colisions for feet: ", self.env.env.robot.calc_state()[20], " ", self.env.env.robot.calc_state()[21]) #returns states, last 2 numbers inticate whther foot is in contact with ground
self.dts_taken_so_far += 1
if self.debug:
print("Time elapsed in episode: ", self.dts_taken_so_far * self.env.env.scene.dt)
print("Number of dt's taken in episode: " , self.dts_taken_so_far)
return self.env.step(action)
from ray.tune.registry import register_env
register_env("cartpolebulletenv", lambda config: MultiEnv(config))
register_env("reacherbulletenv", lambda config: ReacherEnv(config))
register_env("pusherbulletenv", lambda config: PusherEnv(config))
register_env("throwerbulletenv", lambda config: ThrowerEnv(config))
register_env("strikerbulletenv", lambda config: StrikerEnv(config))
register_env("walkerbulletenv", lambda config: WalkerEnv(config))
#register_env("octoenv", lambda config: OctoEnv(config))
#trainer = ppo.PPOTrainer(config=config, env="octoenv")
###########
class RolloutSaver:
"""Utility class for storing rollouts.
def main(argv):
ModelCatalog.register_custom_model("my_model", MyModelClass)
model = {
# cusom model options
"custom_model": "my_model",
"custom_preprocessor": None,
# Extra options to pass to the custom classes
"custom_options": {},
# built in options
# Number of hidden layers for fully connected net
"fcnet_hiddens": [256, 256, 256, 256],
}
num_workers = 2
# read out command line arguments
try:
opts, args = getopt.getopt(argv, "hn:", ["number-worker="])
except getopt.GetoptError:
print('ray_server.py -n <number-worker>')
sys.exit(2)
for opt, arg in opts:
if opt == '-h':
print('ray_server.py -n <number-worker>')
print('-n --number-worker - number of worker to start')
sys.exit()
elif opt in ("-n", "--number-worker"):
num_workers = int(arg)
ray.init()
print("[RAY] Initialized")
register_env("srv", lambda _: CartpoleServing())
if ALGORITHM == "APEX":
dqn = ApexTrainer(
env="srv",
config={
# model
"model": model,
"gamma": 0.8,
"noisy": False,
"num_gpus": 1,
# evaluation
# everything default, see dqn.py
#exploration
"target_network_update_freq": 500000,
# rest: everything default, see dqn.py
#replay buffer
# Size of the replay buffer. Note that if async_updates is set, then
# each worker will have a replay buffer of this size. default 50000
"buffer_size": 2000000,
# If True prioritized replay buffer will be used.
"prioritized_replay": True,
# here are many parameters, untouched from me (see dqn.py)
# Optimization
# Learning rate - defaults to 5e-4
"lr": 0.01,
# Size of rollout batch
# Default sample batch size (unroll length). Batches of this size are
# collected from workers until train_batch_size is met. When using
# multiple envs per worker, this is multiplied by num_envs_per_worker.
"sample_batch_size": 4,
# Training batch size, if applicable. Should be >= sample_batch_size.
# Samples batches will be concatenated together to this size for training.
"train_batch_size": 256,
# How many steps of the model to sample before learning starts
"learning_starts": 50000,
#parallelism
"num_workers": num_workers,
# distribute epsilon over workers (default for apex)
"per_worker_exploration": True,
# determine per worker which experience should be prioritized, before giving those to the
# shared experience memory
"worker_side_prioritization": True,
# "schedule_max_timesteps": 100000, # was tut es?
# "timesteps_per_iteration": 25000, # was tut es?
# "min_iter_time_s": 30, # was tut es?
})
else:
dqn = DQNTrainer(
env="srv",
config={
# model
# mehrere Threads fuer worker! fuer debugging auf false setzen
# "sample_async": True,
# "grad_clip": 0.5,
"model": model,
"gamma": 0.8,
"noisy": False,
"num_gpus": 1,
# Whether to use dueling dqn
"dueling": True,
# Whether to use double dqn
"double_q": True,
# evaluation
# everything default, see dqn.py
# exploration
"target_network_update_freq": 500000,
# rest: everything default, see dqn.py
# replay buffer
# Size of the replay buffer. Note that if async_updates is set, then
# each worker will have a replay buffer of this size. default 50000
"buffer_size": 2000000,
# If True prioritized replay buffer will be used.
"prioritized_replay": True,
# here are many parameters, untouched from me (see dqn.py)
# Optimization
# Learning rate - defaults to 5e-4
"lr": 0.01,
# Update the replay buffer with this many samples at once. Note that
# this setting applies per-worker if num_workers > 1.
#"sample_batch_size": 1024,
# How many steps of the model to sample before learning starts
"learning_starts": 50000,
# Size of a batched sampled from replay buffer for training. Note that
# if async_updates is set, then each worker returns gradients for a
# batch of this size. (Minibatch size) hould be >= sample_batch_size
# Samples batches will be concatenated together to this size for training.
"train_batch_size": 256,
# parallelism
# Number of workers for collecting samples with. This only makes sense
# to increase if your environment is particularly slow to sample, or if
# you"re using the Async or Ape-X optimizers.
"num_workers": num_workers,
# distribute epsilon over workers
"per_worker_exploration": True,
# compute worker side prioritazation (DQN: False, DDQN: True, APEX: True!!)
"worker_side_prioritization": True,
})
# write policy graph to tensorboard (for debugging purposes)
policy_graph = dqn.local_evaluator.policy_map["default_policy"].sess.graph
writer = tf.summary.FileWriter(dqn._result_logger.logdir, policy_graph)
writer.close()
# Attempt to restore from checkpoint if possible.
if os.path.exists(CHECKPOINT_FILE):
checkpoint_path = open(CHECKPOINT_FILE).read()
print("Restoring from checkpoint path", checkpoint_path)
dqn.restore(checkpoint_path)
# Serving and training loop
while True:
print(pretty_print(dqn.train()))
checkpoint_path = dqn.save()
print("Last checkpoint", checkpoint_path)
with open(CHECKPOINT_FILE, "w") as f:
f.write(checkpoint_path)
rllib rollout /tmp/ray/checkpoint_dir/checkpoint-0 --run DQN
--env CartPole-v0 --steps 1000000 --out rollouts.pkl
Example Usage via executable:
./rollout.py /tmp/ray/checkpoint_dir/checkpoint-0 --run DQN
--env CartPole-v0 --steps 1000000 --out rollouts.pkl
"""
ENV = "PathPlanningEnv"
if ENV == "CarlaRoadEnv":
def env_creator(env_config):
env = CarlaRoadEnv(env_config)
return env
register_env("CarlaRoadEnv-v0", env_creator)
ModelCatalog.register_custom_model("carla_road_model", FactoredModel)
else:
def env_creator(env_config):
env = PathPlanningEnv(env_config)
return env
register_env("PathPlanningEnv-v0", env_creator)
ModelCatalog.register_custom_model("path_planning_model",
PathPlanningModel)
# Note: if you use any custom models or envs, register them here first, e.g.:
#
# ModelCatalog.register_custom_model("pa_model", ParametricActionsModel)
# register_env("pa_cartpole", lambda _: ParametricActionCartpole(10))
def visualizer_rllib(args):
"""Visualizer for RLlib experiments.
This function takes args (see function create_parser below for
more detailed information on what information can be fed to this
visualizer), and renders the experiment associated with it.
"""
result_dir = args.result_dir if args.result_dir[-1] != '/' \
else args.result_dir[:-1]
config = get_rllib_config(result_dir)
# TODO(ev) backwards compatibility hack
try:
pkl = get_rllib_pkl(result_dir)
except Exception:
pass
# check if we have a multiagent scenario but in a
# backwards compatible way
if config.get('multiagent', {}).get('policy_graphs', {}):
multiagent = True
config['multiagent'] = pkl['multiagent']
else:
multiagent = False
# Run on only one cpu for rendering purposes
config['num_workers'] = 0
flow_params = get_flow_params(config)
# hack for old pkl files
# TODO(ev) remove eventually
sim_params = flow_params['sim']
setattr(sim_params, 'num_clients', 1)
# Determine agent and checkpoint
config_run = config['env_config']['run'] if 'run' in config['env_config'] \
else None
if args.run and config_run:
if args.run != config_run:
print('visualizer_rllib.py: error: run argument ' +
'\'{}\' passed in '.format(args.run) +
'differs from the one stored in params.json ' +
'\'{}\''.format(config_run))
sys.exit(1)
if args.run:
agent_cls = get_agent_class(args.run)
elif config_run:
agent_cls = get_agent_class(config_run)
else:
print('visualizer_rllib.py: error: could not find flow parameter '
'\'run\' in params.json, '
'add argument --run to provide the algorithm or model used '
'to train the results\n e.g. '
'python ./visualizer_rllib.py /tmp/ray/result_dir 1 --run PPO')
sys.exit(1)
sim_params.restart_instance = True
dir_path = os.path.dirname(os.path.realpath(__file__))
emission_path = '{0}/test_time_rollout/'.format(dir_path)
sim_params.emission_path = emission_path if args.gen_emission else None
# pick your rendering mode
if args.render_mode == 'sumo_web3d':
sim_params.num_clients = 2
sim_params.render = False
elif args.render_mode == 'drgb':
sim_params.render = 'drgb'
sim_params.pxpm = 4
elif args.render_mode == 'sumo_gui':
sim_params.render = True
print('NOTE: With render mode {}, an extra instance of the SUMO GUI '
'will display before the GUI for visualizing the result. Click '
'the green Play arrow to continue.'.format(args.render_mode))
elif args.render_mode == 'no_render':
sim_params.render = False
if args.save_render:
sim_params.render = 'drgb'
sim_params.pxpm = 4
sim_params.save_render = True
# Create and register a gym+rllib env
create_env, env_name = make_create_env(params=flow_params, version=0)
register_env(env_name, create_env)
# check if the environment is a single or multiagent environment, and
# get the right address accordingly
# single_agent_envs = [env for env in dir(flow.envs)
# if not env.startswith('__')]
# if flow_params['env_name'] in single_agent_envs:
# env_loc = 'flow.envs'
# else:
# env_loc = 'flow.multiagent_envs'
# Start the environment with the gui turned on and a path for the
# emission file
env_params = flow_params['env']
env_params.restart_instance = False
if args.evaluate:
env_params.evaluate = True
# lower the horizon if testing
if args.horizon:
config['horizon'] = args.horizon
env_params.horizon = args.horizon
# create the agent that will be used to compute the actions
agent = agent_cls(env=env_name, config=config)
checkpoint = result_dir + '/checkpoint_' + args.checkpoint_num
checkpoint = checkpoint + '/checkpoint-' + args.checkpoint_num
agent.restore(checkpoint)
if hasattr(agent, "local_evaluator") and \
os.environ.get("TEST_FLAG") != 'True':
env = agent.local_evaluator.env
else:
env = gym.make(env_name)
if multiagent:
rets = {}
# map the agent id to its policy
policy_map_fn = config['multiagent']['policy_mapping_fn'].func
for key in config['multiagent']['policy_graphs'].keys():
rets[key] = []
else:
rets = []
if config['model']['use_lstm']:
use_lstm = True
if multiagent:
state_init = {}
# map the agent id to its policy
policy_map_fn = config['multiagent']['policy_mapping_fn'].func
size = config['model']['lstm_cell_size']
for key in config['multiagent']['policy_graphs'].keys():
state_init[key] = [
np.zeros(size, np.float32),
np.zeros(size, np.float32)
]
else:
state_init = [
np.zeros(config['model']['lstm_cell_size'], np.float32),
np.zeros(config['model']['lstm_cell_size'], np.float32)
]
else:
use_lstm = False
env.restart_simulation(sim_params=sim_params, render=sim_params.render)
# Simulate and collect metrics
final_outflows = []
final_inflows = []
mean_speed = []
std_speed = []
for i in range(args.num_rollouts):
vel = []
state = env.reset()
if multiagent:
ret = {key: [0] for key in rets.keys()}
else:
ret = 0
for j in range(env_params.horizon):
vehicles = env.unwrapped.k.vehicle
vel.append(np.mean(vehicles.get_speed(vehicles.get_ids())))
if multiagent:
action = {}
for agent_id in state.keys():
if use_lstm:
action[agent_id], state_init[agent_id], logits = \
agent.compute_action(
state[agent_id], state=state_init[agent_id],
policy_id=policy_map_fn(agent_id))
else:
action[agent_id] = agent.compute_action(
state[agent_id], policy_id=policy_map_fn(agent_id))
if j == 0:
action[agent_id] = 0.2 # to prevent accident
#print("hello, ", j, action[agent_id])
else:
action = agent.compute_action(state)
state, reward, done, _ = env.step(action)
if multiagent:
for actor, rew in reward.items():
ret[policy_map_fn(actor)][0] += rew
else:
ret += reward
if multiagent and done['__all__']:
break
if not multiagent and done:
break
if multiagent:
for key in rets.keys():
rets[key].append(ret[key])
else:
rets.append(ret)
outflow = vehicles.get_outflow_rate(500)
final_outflows.append(outflow)
inflow = vehicles.get_inflow_rate(500)
final_inflows.append(inflow)
if np.all(np.array(final_inflows) > 1e-5):
throughput_efficiency = [
x / y for x, y in zip(final_outflows, final_inflows)
]
else:
throughput_efficiency = [0] * len(final_inflows)
mean_speed.append(np.mean(vel))
std_speed.append(np.std(vel))
if multiagent:
for agent_id, rew in rets.items():
print('Round {}, Return: {} for agent {}'.format(
i, ret, agent_id))
else:
print('Round {}, Return: {}'.format(i, ret))
print('==== Summary of results ====')
print("Return:")
print(mean_speed)
if multiagent:
for agent_id, rew in rets.items():
print('For agent', agent_id)
print(rew)
print('Average, std return: {}, {} for agent {}'.format(
np.mean(rew), np.std(rew), agent_id))
else:
print(rets)
print('Average, std: {}, {}'.format(np.mean(rets), np.std(rets)))
print("\nSpeed, mean (m/s):")
print(mean_speed)
print('Average, std: {}, {}'.format(np.mean(mean_speed),
np.std(mean_speed)))
print("\nSpeed, std (m/s):")
print(std_speed)
print('Average, std: {}, {}'.format(np.mean(std_speed), np.std(std_speed)))
# Compute arrival rate of vehicles in the last 500 sec of the run
print("\nOutflows (veh/hr):")
print(final_outflows)
print('Average, std: {}, {}'.format(np.mean(final_outflows),
np.std(final_outflows)))
# Compute departure rate of vehicles in the last 500 sec of the run
print("Inflows (veh/hr):")
print(final_inflows)
print('Average, std: {}, {}'.format(np.mean(final_inflows),
np.std(final_inflows)))
# Compute throughput efficiency in the last 500 sec of the
print("Throughput efficiency (veh/hr):")
print(throughput_efficiency)
print('Average, std: {}, {}'.format(np.mean(throughput_efficiency),
np.std(throughput_efficiency)))
# terminate the environment
env.unwrapped.terminate()
# if prompted, convert the emission file into a csv file
if args.gen_emission:
time.sleep(0.1)
dir_path = os.path.dirname(os.path.realpath(__file__))
emission_filename = '{0}-emission.xml'.format(env.scenario.name)
emission_path = \
'{0}/test_time_rollout/{1}'.format(dir_path, emission_filename)
# convert the emission file into a csv file
emission_to_csv(emission_path)
# delete the .xml version of the emission file
os.remove(emission_path)
# if we wanted to save the render, here we create the movie
if args.save_render:
dirs = os.listdir(os.path.expanduser('~') + '/flow_rendering')
# Ignore hidden files
dirs = [d for d in dirs if d[0] != '.']
dirs.sort(key=lambda date: datetime.strptime(date, "%Y-%m-%d-%H%M%S"))
recent_dir = dirs[-1]
# create the movie
movie_dir = os.path.expanduser('~') + '/flow_rendering/' + recent_dir
save_dir = os.path.expanduser('~') + '/flow_movies'
if not os.path.exists(save_dir):
os.mkdir(save_dir)
os_cmd = "cd " + movie_dir + " && ffmpeg -i frame_%06d.png"
os_cmd += " -pix_fmt yuv420p " + dirs[-1] + ".mp4"
os_cmd += "&& cp " + dirs[-1] + ".mp4 " + save_dir + "/"
os.system(os_cmd)
self.obs_in = input_dict["obs"]
self.fcnet = FullyConnectedNetwork(input_dict, self.obs_space,
self.action_space, num_outputs,
options)
return self.fcnet.outputs, self.fcnet.last_layer
if __name__ == "__main__":
board_sizes = (3, 3)
diff = 2
st = 100000000
env_name = 'puzzle-v0'
#my_board = gym.make('gym_puzzle:puzzle-v0')
register_env(env_name, lambda config: PuzzleEnv(config))
ray.init()
# ModelCatalog.register_custom_model("my_model", CustomModel)
tune.run(
"PPO",
stop={
#"timesteps_total": 10000,
#"episode_len_mean": 20.0,
"training_iteration": 50,
},
config={
"env": "puzzle-v0", # or "puzzle-v0" if registered above
# "model":
# "custom_model": "my_model",
# },
# Batch dot product => shape of logits is [BATCH, MAX_ACTIONS].
action_logits = tf.reduce_sum(avail_actions * intent_vector, axis=2)
# Mask out invalid actions (use tf.float32.min for stability)
inf_mask = tf.maximum(tf.log(action_mask), tf.float32.min)
masked_logits = inf_mask + action_logits
return masked_logits, last_layer
if __name__ == "__main__":
args = parser.parse_args()
ray.init()
ModelCatalog.register_custom_model("pa_model", ParametricActionsModel)
register_env("pa_cartpole", lambda _: ParametricActionCartpole(10))
if args.run == "PPO":
cfg = {
"observation_filter": "NoFilter", # don't filter the action list
"vf_share_layers": True, # don't create duplicate value model
}
elif args.run == "DQN":
cfg = {
"hiddens": [], # important: don't postprocess the action scores
}
else:
cfg = {} # PG, IMPALA, A2C, etc.
run_experiments({
"parametric_cartpole": {
"run": args.run,
"env": "pa_cartpole",
def register_env_creator(self):
register_env("RoboschoolReacher-v1", create_environment)
# Box(low=-1, high=1000, shape=(31,), dtype=np.float)
Box(np.array(lower_bounds), np.array(upper_bounds)))
def run(self):
print("Starting policy server at {}:{}".format(SERVER_ADDRESS,
SERVER_PORT))
server = PolicyServer(self, SERVER_ADDRESS, SERVER_PORT)
server.serve_forever()
if __name__ == "__main__":
# ray.init(redis_max_memory=10000000000, object_store_memory=3000000000, memory=2000000000)
ray.init()
register_env("srv", lambda _: MarketServing())
# We use DQN since it supports off-policy actions, but you can choose and
# configure any agent.
# dqn = PGTrainer(
# env="srv",
# config={
# # Use a single process to avoid needing to set up a load balancer
# # "num_workers": 0,
# "evaluation_num_episodes": 1,
# # "sample_batch_size": 40,
# # "train_batch_size": 40,
# # "horizon": 40,
# "sample_batch_size": 15,
# "train_batch_size": 128,
# })
class CartpoleServing(ExternalEnv):
def __init__(self):
ExternalEnv.__init__(
self, spaces.Discrete(2),
spaces.Box(low=-10, high=10, shape=(4, ), dtype=np.float32))
def run(self):
print("Starting policy server at {}:{}".format(SERVER_ADDRESS,
SERVER_PORT))
server = PolicyServer(self, SERVER_ADDRESS, SERVER_PORT)
server.serve_forever()
if __name__ == "__main__":
ray.init()
register_env("srv", lambda _: CartpoleServing())
# We use DQN since it supports off-policy actions, but you can choose and
# configure any agent.
dqn = DQNTrainer(
env="srv",
config={
# Use a single process to avoid needing to set up a load balancer
"num_workers": 0,
# Configure the agent to run short iterations for debugging
"exploration_fraction": 0.01,
"learning_starts": 100,
"timesteps_per_iteration": 200,
})
# Attempt to restore from checkpoint if possible.
def reset(self):
self.cur_pos = 0
return [self.cur_pos]
def step(self, action):
assert action in [0, 1], action
if action == 0 and self.cur_pos > 0:
self.cur_pos -= 1
elif action == 1:
self.cur_pos += 1
done = self.cur_pos >= self.end_pos
return [self.cur_pos], 1 if done else 0, done, {}
if __name__ == "__main__":
print("CORRIDOR TEST")
env_creator_name = "corridor"
register_env(env_creator_name, lambda config: SimpleCorridor(config))
ray.init()
run_experiments({
"demo": {
"run": "PPO",
"env": "corridor",
"config": {
"env_config": {
"corridor_length": 5,
},
},
},
})
# Batch dot product => shape of logits is [BATCH, MAX_ACTIONS].
action_logits = tf.reduce_sum(avail_actions * intent_vector, axis=2)
# Mask out invalid actions (use tf.float32.min for stability)
inf_mask = tf.maximum(tf.log(action_mask), tf.float32.min)
masked_logits = inf_mask + action_logits
return masked_logits, last_layer
if __name__ == "__main__":
args = parser.parse_args()
ray.init()
ModelCatalog.register_custom_model("pa_model", ParametricActionsModel)
register_env("pa_cartpole", lambda _: ParametricActionCartpole(10))
if args.run == "PPO":
cfg = {
"observation_filter": "NoFilter", # don't filter the action list
"vf_share_layers": True, # don't create duplicate value model
}
elif args.run == "DQN":
cfg = {
"hiddens": [], # important: don't postprocess the action scores
}
else:
cfg = {} # PG, IMPALA, A2C, etc.
run_experiments({
"parametric_cartpole": {
"run": args.run,
"env": "pa_cartpole",
def register_env_creator(self):
register_env("RoboschoolHumanoid-v1", create_environment)
rewards.append(reward)
return {
"episode_reward_mean": np.mean(rewards),
"timesteps_this_iter": steps,
}
import ray
from ray import tune
from ray.rllib.utils.seed import seed as rllib_seed
import rl_toy
from rl_toy.envs import RLToyEnv
from ray.tune.registry import register_env
register_env("RLToy-v0", lambda config: RLToyEnv(config))
from ray.rllib.models.preprocessors import OneHotPreprocessor
from ray.rllib.models import ModelCatalog
ModelCatalog.register_custom_preprocessor("ohe", OneHotPreprocessor)
#rllib_seed(0, 0, 0) ####IMP Doesn't work due to multi-process I think; so use config["seed"]
# np.random.seed(0)
# import random
# random.seed(0)
# import tensorflow as tf
# tf.set_random_seed(0)
from ray.rllib.agents.dqn.dqn_policy_graph import DQNPolicyGraph
from ray.rllib.agents.ppo.ppo import PPOAgent
from ray.rllib.agents.ppo.ppo_policy_graph import PPOPolicyGraph
from ray.rllib.tests.test_multi_agent_env import MultiCartpole
from ray.tune.logger import pretty_print
from ray.tune.registry import register_env
parser = argparse.ArgumentParser()
parser.add_argument("--num-iters", type=int, default=20)
if __name__ == "__main__":
args = parser.parse_args()
ray.init()
# Simple environment with 4 independent cartpole entities
register_env("multi_cartpole", lambda _: MultiCartpole(4))
single_env = gym.make("CartPole-v0")
obs_space = single_env.observation_space
act_space = single_env.action_space
# You can also have multiple policy graphs per trainer, but here we just
# show one each for PPO and DQN.
policy_graphs = {
"ppo_policy": (PPOPolicyGraph, obs_space, act_space, {}),
"dqn_policy": (DQNPolicyGraph, obs_space, act_space, {}),
}
def policy_mapping_fn(agent_id):
if agent_id % 2 == 0:
return "ppo_policy"
else:
def setup_exps_rllib(flow_params,
n_cpus,
n_rollouts,
policy_graphs=None,
policy_mapping_fn=None,
policies_to_train=None):
"""Return the relevant components of an RLlib experiment.
Parameters
----------
flow_params : dict
flow-specific parameters (see flow/utils/registry.py)
n_cpus : int
number of CPUs to run the experiment over
n_rollouts : int
number of rollouts per training iteration
policy_graphs : dict, optional
TODO
policy_mapping_fn : function, optional
TODO
policies_to_train : list of str, optional
TODO
Returns
-------
str
name of the training algorithm
str
name of the gym environment to be trained
dict
training configuration parameters
"""
from ray import tune
from ray.tune.registry import register_env
try:
from ray.rllib.agents.agent import get_agent_class
except ImportError:
from ray.rllib.agents.registry import get_agent_class
horizon = flow_params['env'].horizon
alg_run = "PPO"
agent_cls = get_agent_class(alg_run)
config = deepcopy(agent_cls._default_config)
config["num_workers"] = n_cpus
config["train_batch_size"] = horizon * n_rollouts
config["gamma"] = 0.999 # discount rate
config["model"].update({"fcnet_hiddens": [32, 32, 32]})
config["use_gae"] = True
config["lambda"] = 0.97
config["kl_target"] = 0.02
config["num_sgd_iter"] = 10
config["horizon"] = horizon
# save the flow params for replay
flow_json = json.dumps(flow_params,
cls=FlowParamsEncoder,
sort_keys=True,
indent=4)
config['env_config']['flow_params'] = flow_json
config['env_config']['run'] = alg_run
# multiagent configuration
if policy_graphs is not None:
print("policy_graphs", policy_graphs)
config['multiagent'].update({'policies': policy_graphs})
if policy_mapping_fn is not None:
config['multiagent'].update(
{'policy_mapping_fn': tune.function(policy_mapping_fn)})
if policies_to_train is not None:
config['multiagent'].update({'policies_to_train': policies_to_train})
create_env, gym_name = make_create_env(params=flow_params)
# Register as rllib env
register_env(gym_name, create_env)
return alg_run, gym_name, config
def testNoStepOnInit(self):
register_env("fail", lambda _: FailOnStepEnv())
pg = PGAgent(env="fail", config={"num_workers": 1})
self.assertRaises(Exception, lambda: pg.train())
def __init__(self):
super(FeedingPandaEnv,
self).__init__(robot=Panda(robot_arm),
human=Human(human_controllable_joint_indices,
controllable=False))
class FeedingPR2HumanEnv(FeedingEnv, MultiAgentEnv):
def __init__(self):
super(FeedingPR2HumanEnv,
self).__init__(robot=PR2(robot_arm),
human=Human(human_controllable_joint_indices,
controllable=True))
register_env('assistive_gym:FeedingPR2Human-v1',
lambda config: FeedingPR2HumanEnv())
class FeedingBaxterHumanEnv(FeedingEnv, MultiAgentEnv):
def __init__(self):
super(FeedingBaxterHumanEnv,
self).__init__(robot=Baxter(robot_arm),
human=Human(human_controllable_joint_indices,
controllable=True))
register_env('assistive_gym:FeedingBaxterHuman-v1',
lambda config: FeedingBaxterHumanEnv())
class FeedingSawyerHumanEnv(FeedingEnv, MultiAgentEnv):
"""Integration test: (1) pendulum works, (2) single-agent multi-agent works."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import ray
from ray.rllib.test.test_multi_agent_env import make_multiagent
from ray.tune import run_experiments
from ray.tune.registry import register_env
if __name__ == "__main__":
ray.init()
MultiPendulum = make_multiagent("Pendulum-v0")
register_env("multi_pend", lambda _: MultiPendulum(1))
trials = run_experiments({
"test": {
"run": "PPO",
"env": "multi_pend",
"stop": {
"timesteps_total": 500000,
"episode_reward_mean": -200,
},
"config": {
"train_batch_size": 2048,
"vf_clip_param": 10.0,
"num_workers": 0,
"num_envs_per_worker": 10,
"lambda": 0.1,
"gamma": 0.95,
"lr": 0.0003,
def setup_exps_rllib(flow_params,
n_cpus,
n_rollouts,
policy_graphs=None,
policy_mapping_fn=None,
policies_to_train=None,
flags=None):
from ray import tune
from ray.tune.registry import register_env
try:
from ray.rllib.agents.agent import get_agent_class
except ImportError:
from ray.rllib.agents.registry import get_agent_class
import torch
horizon = flow_params['env'].horizon
from ray.rllib.agents.ddpg.ddpg import DEFAULT_CONFIG
alg_run = "DDPG"
agent_cls = get_agent_class(alg_run)
config = deepcopy(agent_cls._default_config)
config["num_workers"] = 1
# model
config['n_step'] = 1
config['actor_hiddens'] = [64, 64]
config['actor_lr'] = 0.0001 # in article 'ddpg'
config['critic_lr'] = 0.0001
config['critic_hiddens'] = [64, 64]
config['gamma'] = 0.99
config['model']['fcnet_hiddens'] = [64, 64]
config['lr'] = 1e-5
# exploration
config['exploration_config']['final_scale'] = 0.05
config['exploration_config']['scale_timesteps'] = 1500000
config['exploration_config']['ou_base_scale'] = 0.1
config['exploration_config']['ou_theta'] = 0.15
config['exploration_config']['ou_sigma'] = 0.2
# optimization
config['tau'] = 0.001
config['l2_reg'] = 1e-6
config['train_batch_size'] = 64
config['learning_starts'] = 3000
# evaluation
#config['evaluation_interval'] = 5
config['buffer_size'] = 300000 #3e5
config['timesteps_per_iteration'] = 3000
config['prioritized_replay'] = False
#common config
config['framework'] = 'torch'
config['callbacks'] = {
"on_episode_end": None,
"on_episode_start": None,
"on_episode_step": None,
"on_postprocess_traj": None,
"on_sample_end": None,
"on_train_result": None
}
# config["opt_type"]= "adam" for impala and APPO, default is SGD
# TrainOneStep class call SGD -->execution_plan function can have policy update function
print("cuda is available: ", torch.cuda.is_available())
print('Beginning training.')
print("==========================================")
print("running algorithm: ", alg_run) # "Framework: ", "torch"
# save the flow params for replay
flow_json = json.dumps(flow_params,
cls=FlowParamsEncoder,
sort_keys=True,
indent=4)
config['env_config']['flow_params'] = flow_json
config['env_config']['run'] = alg_run
# multiagent configuration
if policy_graphs is not None:
print("policy_graphs", policy_graphs)
config['multiagent'].update({'policies': policy_graphs})
if policy_mapping_fn is not None:
config['multiagent'].update(
{'policy_mapping_fn': tune.function(policy_mapping_fn)})
if policies_to_train is not None:
config['multiagent'].update({'policies_to_train': policies_to_train})
create_env, gym_name = make_create_env(params=flow_params)
# Register as rllib env
register_env(gym_name, create_env)
return alg_run, gym_name, config
def register_env_creator(self):
register_env("NetworkCompression-v1", create_environment)
obs[i], rew[i], done[i], info[i] = [
featurize(step_obs[0][i]),
step_obs[1][i],
step_obs[1][i] == -1 or step_obs[2],
step_obs[3],
]
done["__all__"] = step_obs[2]
return obs, rew, done, info
def reset(self):
obs = self.env.reset()
return {i: featurize(obs[i]) for i in self.agents_index}
register_env("pommer_team", lambda _: MultiAgent())
sys.setrecursionlimit(1000)
class PhasePPO(PPOAgent):
def __init__(self, config=None, env=None, logger_creator=None):
super(PhasePPO, self).__init__(config=config,
env=env,
logger_creator=logger_creator)
self.train_phase = 0
def on_episode_end(info):
env = info["env"]
episode.custom_metrics["train_phase"] = env.get_phase()
def train(args,parser = None):
"""Train agent
:args: Argparse.args: User-defined arguments
"""
# Set logging level
logging.basicConfig(level= args.log_level,
format='%(message)s')
# Initialize mail bot
if args.email_updates:
args.mail_bot = CameleonEmailBot(email_sender = args.email_sender,
email_receiver = args.email_receiver,
email_server = args.email_server)
# Initialize Ray - and try to prevent OOM
#Spin up Ray only if it is not already running
if args.init_ray:
ray.init(object_store_memory = args.ray_obj_store_mem)
# Set up environment
env = gym.make(args.env_name)
# Wrap environment
env = wrap_env(env, args.wrappers)
# Register environment with Ray
register_env(args.env_name, lambda config: env)
# Set model and config
model, config = str2model(args.model_name, config = True)
#Add to config for compute resources
config['num_workers'] = args.num_workers
config['num_gpus'] = args.num_gpus
config['framework'] = args.framework
config['seed'] = args.seed
_determine_stopping_criteria(args)
#Update config if one was passed
if args.config:
config = update_config(config, args.config)
# Update outdir
args.outdir_root = args.outdir
args.outdir = "{}{}_{}_{}_rs{}_w{}_{}".format(args.outdir,
args.model_name,
args.framework,
args.env_name,
args.seed,
args.num_workers,
dt.datetime.now().strftime("%Y.%m.%d"))
args.tune_dirname = "{}_{}_rs{}_w{}_{}".format(
args.model_name,
args.framework,
args.seed,
args.num_workers,
dt.datetime.now().strftime("%Y.%m.%d"))
# Set up agent
agent = model(env = args.env_name,
config = config,
logger_creator=cameleon_logger_creator(
args.outdir))
# Change to pretrained model if needed
if args.checkpoint_path:
agent.restore(args.checkpoint_path)
if args.tune:
agent = args.model_name
# Train the agent
train_agent(agent,
args,
config,
tune = args.tune)
# Shutdown Ray (ensures fresh start for random seeds)
ray.shutdown()
# Send email update, if necessary
if args.email_updates and not args.failure_message:
args.mail_bot.send_email("train_finished", args)
def main(args):
ray.init(redis_max_memory=int(ray.utils.get_system_memory() * 0.4),
memory=int(ray.utils.get_system_memory() * 0.2),
object_store_memory=int(ray.utils.get_system_memory() * 0.2),
num_gpus=args.num_gpus,
num_cpus=6,
temp_dir=args.temp_dir)
discrete_action_input = False
if args.trainer == 'dqn':
trainer = DQNTrainer
discrete_action_input = True
else:
raise Exception('Unknown trainer: "{}"'.format(args.trainer))
def env_creater(mpe_args):
return MultiAgentParticleEnv(**mpe_args)
register_env("mpe", env_creater)
env = env_creater({
"scenario_name": args.scenario,
"discrete_action_input": discrete_action_input
})
def gen_policy(i):
return (None, env.observation_space_dict[i], env.action_space_dict[i],
{
"agent_id": i,
"use_local_critic": False,
"obs_space_dict": env.observation_space_dict,
"act_space_dict": env.action_space_dict,
})
policies = {
"policy_%d" % i: gen_policy(i)
for i in range(len(env.observation_space_dict))
}
policy_ids = list(policies.keys())
def policy_mapping_fn(agent_id):
return policy_ids[agent_id]
exp_name = "{}{}".format(
args.scenario.replace("_", "").replace("-", ""),
"_{}".format(args.add_postfix) if args.add_postfix != "" else "")
run_experiments(
{
exp_name: {
"run": trainer,
"env": "mpe",
"stop": {
"episodes_total": args.num_episodes,
},
"checkpoint_freq": args.checkpoint_freq,
"local_dir": args.local_dir,
"restore": args.restore,
"config": {
# === Log ===
"log_level": "ERROR",
# === Environment ===
"env_config": {
"scenario_name": args.scenario,
"discrete_action_input": discrete_action_input
},
"num_envs_per_worker": args.num_envs_per_worker,
"horizon": args.max_episode_len,
# === Policy Config ===
# --- Model ---
# "good_policy": args.good_policy,
# "adv_policy": args.adv_policy,
# "actor_hiddens": [args.num_units] * 2,
# "actor_hidden_activation": "relu",
# "critic_hiddens": [args.num_units] * 2,
# "critic_hidden_activation": "relu",
"n_step": args.n_step,
"gamma": args.gamma,
# --- Exploration ---
# "tau": 0.01,
# --- Replay buffer ---
"buffer_size":
args.replay_buffer, # int(10000), # int(1e6)
# --- Optimization ---
# "actor_lr": args.lr,
# "critic_lr": args.lr,
"learning_starts":
args.train_batch_size * args.max_episode_len,
"sample_batch_size": args.sample_batch_size,
"train_batch_size": args.train_batch_size,
"batch_mode": "truncate_episodes",
# --- Parallelism ---
"num_workers": args.num_workers,
"num_gpus": args.num_gpus,
"num_gpus_per_worker": 0,
# === Multi-agent setting ===
"multiagent": {
"policies": policies,
"policy_mapping_fn":
ray.tune.function(policy_mapping_fn)
},
},
},
},
verbose=0,
reuse_actors=False) # reuse_actors=True - messes up the results
def register_env_creator(self):
register_env(
"stacked_procgen_env", # This should be different from procgen_env_wrapper
lambda config: gym.wrappers.FrameStack(ProcgenEnvWrapper(config), 4
))
# vehicles to be placed in the network at the start of a rollout (see
# flow.core.params.VehicleParams)
veh=vehicles,
# parameters specifying the positioning of vehicles upon initialization/
# reset (see flow.core.params.InitialConfig)
initial=InitialConfig(),
)
# SET UP RLLIB MULTI-AGENT FEATURES
create_env, env_name = make_create_env(params=flow_params, version=0)
# register as rllib env
register_env(env_name, create_env)
# multiagent configuration
test_env = create_env()
obs_space = test_env.observation_space
act_space = test_env.action_space
POLICY_GRAPHS = {'av': (PPOTFPolicy, obs_space, act_space, {})}
POLICIES_TO_TRAIN = ['av']
def policy_mapping_fn(_):
"""Map a policy in RLlib."""
return 'av'
import os
import ray
from ray.rllib.agents.dqn import DQNAgent
from ray.rllib.models import ModelCatalog
from ray.tune.logger import pretty_print
from ray.tune.registry import register_env
from algos.gym_halite import env_creator
from algos.model import ParametricActionsModel
CHECKPOINT_FILE = "last_checkpoint.out"
ray.init(local_mode=True)
ModelCatalog.register_custom_model("parametric", ParametricActionsModel)
register_env("halite_env", env_creator)
dqn = DQNAgent(
env="halite_env",
config={
"env_config": {},
"num_workers": 1,
"num_cpus_per_worker": 1,
"num_envs_per_worker": 1,
"num_gpus": 1,
"hiddens": [],
"schedule_max_timesteps": 100000000,
"timesteps_per_iteration": 1000,
"exploration_fraction": 0.8,
"exploration_final_eps": 0.02,
"lr": 1e-3,
"model": {
else:
reward = -1
done = len(self.history) > 100
return self._next_obs(), reward, done, {}
def _next_obs(self):
token = random.choice([0, 1])
self.history.append(token)
return token
if __name__ == "__main__":
ray.init()
args = parser.parse_args()
ModelCatalog.register_custom_model("rnn", MyKerasRNN)
register_env("RepeatAfterMeEnv", lambda c: RepeatAfterMeEnv(c))
register_env("RepeatInitialEnv", lambda _: RepeatInitialEnv())
tune.run(args.run,
stop={"episode_reward_mean": args.stop},
config={
"env": args.env,
"env_config": {
"repeat_delay": 2,
},
"gamma": 0.9,
"num_workers": 0,
"num_envs_per_worker": 20,
"entropy_coeff": 0.001,
"num_sgd_iter": 5,
"vf_loss_coeff": 1e-5,
"model": {