def test_l1_l2_norm(self):
env = make('Acrobot-v1')
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
name = 'dqn'
mlp_q = MLPQValueFunction(env_spec=env_spec,
name_scope=name + '_mlp',
name=name + '_mlp',
mlp_config=[
{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03,
"L1_NORM": 1000.0,
"L2_NORM": 1000.0
},
{
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": 1,
"L1_NORM": 1000.0,
"L2_NORM": 1000.0,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}
])
dqn = DQN(env_spec=env_spec,
config_or_config_dict=dict(REPLAY_BUFFER_SIZE=1000,
GAMMA=0.99,
BATCH_SIZE=10,
Q_NET_L1_NORM_SCALE=0.001,
Q_NET_L2_NORM_SCALE=0.001,
LEARNING_RATE=0.001,
TRAIN_ITERATION=1,
DECAY=0.5),
name=name,
value_func=mlp_q)
dqn2, _ = self.create_dqn(name='dqn_2')
a = TransitionData(env_spec)
st = env.reset()
dqn.init()
dqn2.init()
for i in range(100):
ac = dqn.predict(obs=st, sess=self.sess, batch_flag=False)
st_new, re, done, _ = env.step(action=ac)
a.append(state=st, new_state=st_new, action=ac, done=done, reward=re)
st = st_new
dqn.append_to_memory(a)
for i in range(100):
print('dqn1 loss: ', dqn.train(batch_data=a, train_iter=10, sess=None, update_target=True))
print('dqn2 loss: ', dqn2.train(batch_data=a, train_iter=10, sess=None, update_target=True))
var_list = self.sess.run(dqn.q_value_func.parameters('tf_var_list'))
print(var_list)
var_list2 = self.sess.run(dqn2.q_value_func.parameters('tf_var_list'))
print(var_list2)
for var, var2 in zip(var_list, var_list2):
diff = np.abs(var2) - np.abs(var)
self.assertTrue(np.greater(np.mean(diff), 0.0).all())
def pendulum_task_fn():
exp_config = PENDULUM_BENCHMARK_CONFIG_DICT
GlobalConfig().set('DEFAULT_EXPERIMENT_END_POINT',
exp_config['DEFAULT_EXPERIMENT_END_POINT'])
env = make('Pendulum-v0')
name = 'benchmark'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_dyna = ContinuousMLPGlobalDynamicsModel(
env_spec=env_spec,
name_scope=name + '_mlp_dyna',
name=name + '_mlp_dyna',
output_low=env_spec.obs_space.low,
output_high=env_spec.obs_space.high,
**exp_config['DynamicsModel'])
dyna_env = DynamicsEnvWrapper(mlp_dyna)
dyna_env.set_terminal_reward_func(
terminal_func=FixedEpisodeLengthTerminalFunc(
max_step_length=env.unwrapped._max_episode_steps,
step_count_fn=dyna_env.total_step_count_fn),
reward_func=REWARD_FUNC_DICT['Pendulum-v0']())
policy = iLQRPolicy(env_spec=env_spec,
**exp_config['ILQR'],
dynamics=dyna_env,
cost_fn=RewardFuncCostWrapper(
reward_func=REWARD_FUNC_DICT['Pendulum-v0']()))
algo = iLQRAlogWrapper(policy=policy,
env_spec=env_spec,
dynamics_env=dyna_env)
agent = Agent(env=env,
env_spec=env_spec,
algo=algo,
exploration_strategy=None,
noise_adder=None,
name=name + '_agent')
flow = DynaFlow(
train_sample_count_func=lambda: get_global_status_collect()
('TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
config_or_config_dict=exp_config['DynaFlow'],
func_dict={
'train_dynamics': {
'func': agent.train,
'args': list(),
'kwargs': dict(state='state_dynamics_training')
},
'train_algo': None,
'test_algo': {
'func': agent.test,
'args': list(),
'kwargs': dict(sample_count=1, sample_trajectory_flag=True)
},
'test_dynamics': {
'func': agent.algo.test_dynamics,
'args': list(),
'kwargs': dict(sample_count=100, env=env)
},
'sample_from_real_env': {
'func':
agent.sample,
'args':
list(),
'kwargs':
dict(sample_count=10,
env=agent.env,
in_which_status='TRAIN',
store_flag=True)
},
'sample_from_dynamics_env': None,
'train_algo_from_synthesized_data': None
})
experiment = Experiment(tuner=None,
env=env,
agent=agent,
flow=flow,
name=name)
experiment.run()
def pendulum_task_fn():
GlobalConfig().set('DEFAULT_EXPERIMENT_END_POINT',
exp_config['DEFAULT_EXPERIMENT_END_POINT'])
env = make('Pendulum-v0')
name = 'benchmark'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_q = MLPQValueFunction(env_spec=env_spec,
name_scope=name + '_mlp_q',
name=name + '_mlp_q',
**exp_config['MLPQValueFunction'])
policy = DeterministicMLPPolicy(env_spec=env_spec,
name_scope=name + '_mlp_policy',
name=name + '_mlp_policy',
output_low=env_spec.action_space.low,
output_high=env_spec.action_space.high,
**exp_config['DeterministicMLPPolicy'],
reuse=False)
ddpg = DDPG(
env_spec=env_spec,
policy=policy,
value_func=mlp_q,
name=name + '_ddpg',
**exp_config['DDPG']
)
mlp_dyna = ContinuousMLPGlobalDynamicsModel(
env_spec=env_spec,
name_scope=name + '_mlp_dyna',
name=name + '_mlp_dyna',
**exp_config['DynamicsModel']
)
algo = Dyna(env_spec=env_spec,
name=name + '_dyna_algo',
model_free_algo=ddpg,
dynamics_model=mlp_dyna,
config_or_config_dict=dict(
dynamics_model_train_iter=10,
model_free_algo_train_iter=10
))
algo.set_terminal_reward_function_for_dynamics_env(
terminal_func=FixedEpisodeLengthTerminalFunc(max_step_length=env.unwrapped._max_episode_steps,
step_count_fn=algo.dynamics_env.total_step_count_fn),
reward_func=REWARD_FUNC_DICT['Pendulum-v0']())
agent = Agent(env=env, env_spec=env_spec,
algo=algo,
exploration_strategy=None,
noise_adder=AgentActionNoiseWrapper(noise=OrnsteinUhlenbeckActionNoise(np.zeros(1, ), 0.15),
noise_weight_scheduler=ConstantScheduler(value=0.3),
action_weight_scheduler=ConstantScheduler(value=1.0)),
name=name + '_agent')
flow = DynaFlow(
train_sample_count_func=lambda: get_global_status_collect()('TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
config_or_config_dict=exp_config['DynaFlow'],
func_dict={
'train_algo': {'func': agent.train,
'args': list(),
'kwargs': dict(state='state_agent_training')},
'train_algo_from_synthesized_data': {'func': agent.train,
'args': list(),
# TODO use a decomposed way to represetn the state
# e.g., TRAIN:AGENT:CYBER
'kwargs': dict(state='state_agent_training', train_iter=1)},
'train_dynamics': {'func': agent.train,
'args': list(),
'kwargs': dict(state='state_dynamics_training')},
'test_algo': {'func': agent.test,
'args': list(),
'kwargs': dict(sample_count=1)},
'test_dynamics': {'func': agent.algo.test_dynamics,
'args': list(),
'kwargs': dict(sample_count=10, env=env)},
'sample_from_real_env': {'func': agent.sample,
'args': list(),
'kwargs': dict(sample_count=20,
env=agent.env,
sample_type='transition',
in_which_status='TRAIN',
store_flag=True)},
'sample_from_dynamics_env': {'func': agent.sample,
'args': list(),
'kwargs': dict(sample_count=20,
sample_type='transition',
env=agent.algo.dynamics_env,
in_which_status='TRAIN',
store_flag=False)}
}
)
experiment = Experiment(
tuner=None,
env=env,
agent=agent,
flow=flow,
name=name
)
experiment.run()
def test_init(self):
sess = self.sess
env = make('Pendulum-v0')
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
action_dim = env_spec.flat_action_dim
state_dim = env_spec.flat_obs_dim
# bs_shape = tf.placeholder(dtype=tf.int8, shape=[])
bs_shape = 4
action_ph = tf.placeholder(dtype=tf.float32, shape=[None, action_dim])
state_ph = tf.placeholder(dtype=tf.float32, shape=[None, state_dim])
mean_old = tf.layers.dense(inputs=state_ph,
name='layer1',
units=action_dim)
mean2 = tf.layers.dense(inputs=state_ph,
name='layer2',
units=action_dim)
# mean1 = tf.get_variable(name='mean1', shape=[bs_shape, action_dim], dtype=tf.float32)
var1 = tf.get_variable(name='var1',
shape=[action_dim],
dtype=tf.float32,
initializer=tf.initializers.random_uniform(
0.0, 1.0))
# mean2 = tf.get_variable(name='mean2', shape=[bs_shape, action_dim], dtype=tf.float32)
var2 = tf.get_variable(name='var2',
shape=[action_dim],
dtype=tf.float32,
initializer=tf.initializers.random_uniform(
0.0, 1.0))
# var1 = tf.get_variable('logvars', (10, action_dim), tf.float32,
# tf.constant_initializer(0.0))
# var1 = tf.expand_dims(tf.reduce_sum(var1, axis=0), axis=0)
# var1 = tf.tile(var1, [bs_shape, 1])
#
# var2 = tf.get_variable('logvars2', (10, action_dim), tf.float32,
# tf.constant_initializer(0.0))
# var2 = tf.expand_dims(tf.reduce_sum(var2, axis=0), 0)
# var2 = tf.tile(var2, [bs_shape, 1])
dist_old = tfp.distributions.MultivariateNormalDiag(mean_old,
tf.sqrt(var1),
validate_args=True)
dis2 = tfp.distributions.MultivariateNormalDiag(mean2,
tf.sqrt(var2),
validate_args=True)
dist_norm1 = tfp.distributions.Normal(mean_old, var1)
dist_norm2 = tfp.distributions.Normal(mean2, var2)
print(dist_old, dis2)
# dis1 = tfp.distributions.Independent(dis1, reinterpreted_batch_ndims=1)
# dis2 = tfp.distributions.Independent(dis2, reinterpreted_batch_ndims=1)
# op = tf.train.AdamOptimizer(learning_rate=0.1).minimize(tfp.distributions.kl_divergence(dis1, dis2),
# var_list=[mean1, var1])
ac = [env_spec.action_space.sample() for _ in range(bs_shape)]
ac = make_batch(np.array(ac), original_shape=env_spec.action_shape)
state = [env_spec.obs_space.sample() for _ in range(bs_shape)]
state = make_batch(np.array(state), original_shape=env_spec.obs_shape)
feed_dict = {state_ph: state, action_ph: ac}
sess.run(tf.global_variables_initializer())
kl, entropy, logp, log_p_old = kl_entropy_logprob_from_pat_cody(
old_mean=mean_old,
old_var=var1,
mean=mean2,
var=var2,
feed_dict=feed_dict,
sess=sess,
action_ph=action_ph,
action_dim=action_dim)
kl_tfp = sess.run(tf.reduce_mean(
tfp.distributions.kl_divergence(dist_old, dis2)),
feed_dict=feed_dict)
entropy_tfp = sess.run(tf.reduce_mean(dis2.entropy()),
feed_dict=feed_dict)
log_prob_tfp = sess.run(dis2.log_prob(value=ac), feed_dict=feed_dict)
log_p_old_tfp = sess.run(dist_old.log_prob(value=ac),
feed_dict=feed_dict)
test_log_prob_tfp = dis2.log_prob(ac) + tf.cast(
0.5 * np.log(2. * np.pi * action_dim), dtype=tf.float32)
test_log_prob_tfp_old = dist_old.log_prob(ac) + tf.cast(
0.5 * np.log(2. * np.pi * action_dim), dtype=tf.float32)
print("ac shape {}".format(ac.shape))
print("a sample from dis1 shape {}".format(
sess.run(dist_old.sample(), feed_dict=feed_dict).shape))
print("shape of dis under feeddict {}".format(
sess.run(
[dist_old.batch_shape_tensor(),
dist_old.event_shape_tensor()],
feed_dict=feed_dict)))
# print(sess.run(dis2.log_prob(value=ac)).shape)
# print(sess.run(dis1.log_prob(value=ac)).shape)
for i in range(bs_shape):
feed_dict_i = {
state_ph: make_batch(state[i], env_spec.obs_shape),
action_ph: make_batch(ac[i], env_spec.action_shape)
}
print("i dis2 log prob: {}".format(
sess.run(dis2.log_prob(value=ac[i]), feed_dict=feed_dict_i)))
print("i dis1 log prob: {}".format(
sess.run(dist_old.log_prob(value=ac[i]),
feed_dict=feed_dict_i)))
print(kl, kl_tfp)
print(entropy, entropy_tfp)
print(logp, log_prob_tfp)
print(log_p_old, log_p_old_tfp)
print('new log p {}'.format(
sess.run(test_log_prob_tfp, feed_dict=feed_dict)))
print('new log p old {}'.format(
sess.run(test_log_prob_tfp_old, feed_dict=feed_dict)))
print('new log p norm {}'.format(
sess.run(tf.reduce_sum(dist_norm1.log_prob(ac), axis=1),
feed_dict=feed_dict)))
print('new log p old norm {}'.format(
sess.run(tf.reduce_sum(dist_norm2.log_prob(ac), axis=1),
feed_dict=feed_dict)))
self.assertTrue(np.isclose(logp, log_prob_tfp).all())
self.assertTrue(np.isclose(log_p_old, log_p_old_tfp).all())
self.assertTrue(np.isclose(kl, kl_tfp).all())
self.assertTrue(np.isclose(entropy, entropy_tfp).all())
def setup_model(input_dim, output_dim):
env_spec = EnvSpec(obs_space=Box(low=-1.0, high=1.0, shape=output_dim),
action_space=Box(low=-1.0, high=1.0, shape=input_dim))
a = LinearRegressionDynamicsModel(env_spec=env_spec)
return a
def task_fn():
env = make('Pendulum-v0')
name = 'demo_exp'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_q = MLPQValueFunction(env_spec=env_spec,
name_scope=name + '_mlp_q',
name=name + '_mlp_q',
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": 1,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}])
policy = DeterministicMLPPolicy(env_spec=env_spec,
name_scope=name + '_mlp_policy',
name=name + '_mlp_policy',
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": env_spec.flat_action_dim,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}],
reuse=False)
ddpg = DDPG(env_spec=env_spec,
config_or_config_dict={
"REPLAY_BUFFER_SIZE": 10000,
"GAMMA": 0.999,
"Q_NET_L1_NORM_SCALE": 0.01,
"Q_NET_L2_NORM_SCALE": 0.01,
"CRITIC_LEARNING_RATE": 0.001,
"ACTOR_LEARNING_RATE": 0.001,
"DECAY": 0.5,
"BATCH_SIZE": 50,
"TRAIN_ITERATION": 1,
"critic_clip_norm": 0.1,
"actor_clip_norm": 0.1,
},
value_func=mlp_q,
policy=policy,
name=name + '_ddpg',
replay_buffer=None)
mlp_dyna = ContinuousMLPGlobalDynamicsModel(
env_spec=env_spec,
name_scope=name + '_mlp_dyna',
name=name + '_mlp_dyna',
output_low=env_spec.obs_space.low,
output_high=env_spec.obs_space.high,
learning_rate=0.01,
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"L1_NORM": 0.0,
"L2_NORM": 0.0,
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"L1_NORM": 0.0,
"L2_NORM": 0.0,
"N_UNITS": env_spec.flat_obs_dim,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}])
algo = Dyna(env_spec=env_spec,
name=name + '_dyna_algo',
model_free_algo=ddpg,
dynamics_model=mlp_dyna,
config_or_config_dict=dict(dynamics_model_train_iter=10,
model_free_algo_train_iter=10))
# For examples only, we use random reward function and terminal function with fixed episode length.
algo.set_terminal_reward_function_for_dynamics_env(
terminal_func=FixedEpisodeLengthTerminalFunc(
max_step_length=env.unwrapped._max_episode_steps,
step_count_fn=algo.dynamics_env.total_step_count_fn),
reward_func=RandomRewardFunc())
agent = Agent(
env=env,
env_spec=env_spec,
algo=algo,
algo_saving_scheduler=PeriodicalEventSchedule(
t_fn=lambda: get_global_status_collect()
('TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
trigger_every_step=20,
after_t=10),
name=name + '_agent',
exploration_strategy=EpsilonGreedy(action_space=env_spec.action_space,
init_random_prob=0.5))
flow = create_dyna_flow(
train_algo_func=(agent.train, (), dict(state='state_agent_training')),
train_algo_from_synthesized_data_func=(
agent.train, (), dict(state='state_agent_training')),
train_dynamics_func=(agent.train, (),
dict(state='state_dynamics_training')),
test_algo_func=(agent.test, (), dict(sample_count=10)),
test_dynamics_func=(agent.algo.test_dynamics, (),
dict(sample_count=10, env=env)),
sample_from_real_env_func=(agent.sample, (),
dict(sample_count=10,
env=agent.env,
in_which_status='TRAIN',
store_flag=True)),
sample_from_dynamics_env_func=(agent.sample, (),
dict(sample_count=10,
env=agent.algo.dynamics_env,
in_which_status='TRAIN',
store_flag=True)),
train_algo_every_real_sample_count_by_data_from_real_env=10,
train_algo_every_real_sample_count_by_data_from_dynamics_env=10,
test_algo_every_real_sample_count=10,
test_dynamics_every_real_sample_count=10,
train_dynamics_ever_real_sample_count=10,
start_train_algo_after_sample_count=1,
start_train_dynamics_after_sample_count=1,
start_test_algo_after_sample_count=1,
start_test_dynamics_after_sample_count=1,
warm_up_dynamics_samples=1)
experiment = Experiment(tuner=None,
env=env,
agent=agent,
flow=flow,
name=name + '_exp')
experiment.run()
This gives a simple example on how to use Gaussian Process (GP) to approximate the Gym environment Pendulum-v0
We use gpflow package to build the Gaussian Process.
"""
from baconian.core.core import EnvSpec
from baconian.envs.gym_env import make
import numpy as np
from baconian.common.sampler.sample_data import TransitionData
from baconian.algo.rl.policy.random_policy import UniformRandomPolicy
from baconian.algo.dynamics.gaussian_process_dynamiocs_model import GaussianProcessDyanmicsModel
from baconian.algo.dynamics.dynamics_model import DynamicsEnvWrapper
from baconian.algo.dynamics.terminal_func.terminal_func import RandomTerminalFunc
from baconian.algo.dynamics.reward_func.reward_func import RandomRewardFunc
env = make('Pendulum-v0')
name = 'demo_exp'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
data = TransitionData(env_spec=env_spec)
policy = UniformRandomPolicy(env_spec=env_spec)
# Do some initial sampling here to train GP model
st = env.reset()
for i in range(100):
ac = policy.forward(st)
new_st, re, _, _ = env.step(ac)
data.append(state=st, new_state=new_st, action=ac, reward=re, done=False)
st = new_st
gp = GaussianProcessDyanmicsModel(env_spec=env_spec, batch_data=data)
gp.init()
gp.train()
dyna_env = DynamicsEnvWrapper(dynamics=gp)
def test_min_max(self):
env = make('Pendulum-v0')
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
# test batch scaler
min_max = BatchMinMaxScaler(dims=env_spec.flat_obs_dim)
data_list = []
for i in range(100):
data_list.append(env.observation_space.sample())
data = min_max.process(np.array(data_list))
self.assertTrue(np.greater_equal(np.ones(env_spec.flat_obs_dim),
data).all())
self.assertTrue(np.less_equal(np.zeros(env_spec.flat_obs_dim),
data).all())
# test batch scaler with given range
min_max = BatchMinMaxScaler(dims=env_spec.flat_obs_dim,
desired_range=(np.ones(env_spec.flat_obs_dim) * -1.0,
np.ones(env_spec.flat_obs_dim) * 5.0))
data_list = []
for i in range(100):
data_list.append(env.observation_space.sample())
data = min_max.process(np.array(data_list))
self.assertTrue(np.greater_equal(np.ones(env_spec.flat_obs_dim) * 5.0,
data).all())
self.assertTrue(np.less_equal(np.ones(env_spec.flat_obs_dim) * -1.0,
data).all())
self.assertEqual(np.max(data), 5.0)
self.assertEqual(np.min(data), -1.0)
# test batch scaler with given range and given initial data
data_list = []
for i in range(100):
data_list.append(env.observation_space.sample())
min_max = RunningMinMaxScaler(dims=env_spec.flat_obs_dim,
desired_range=(np.ones(env_spec.flat_obs_dim) * -1.0,
np.ones(env_spec.flat_obs_dim) * 5.0),
init_data=np.array(data_list))
data = min_max.process(np.array(data_list))
self.assertTrue(np.greater_equal(np.ones(env_spec.flat_obs_dim) * 5.0,
data).all())
self.assertTrue(np.less_equal(np.ones(env_spec.flat_obs_dim) * -1.0,
data).all())
self.assertEqual(np.max(data), 5.0)
self.assertEqual(np.min(data), -1.0)
# test batch scaler with given range and given initial min and max
data_list = []
for i in range(100):
data_list.append(env.observation_space.sample())
min_max = RunningMinMaxScaler(dims=env_spec.flat_obs_dim,
desired_range=(np.ones(env_spec.flat_obs_dim) * -1.0,
np.ones(env_spec.flat_obs_dim) * 5.0),
init_min=np.min(np.array(data_list), axis=0),
init_max=np.max(np.array(data_list), axis=0))
data = min_max.process(np.array(data_list))
self.assertTrue(np.greater_equal(np.ones(env_spec.flat_obs_dim) * 5.0,
data).all())
self.assertTrue(np.less_equal(np.ones(env_spec.flat_obs_dim) * -1.0,
data).all())
self.assertEqual(np.max(data), 5.0)
self.assertEqual(np.min(data), -1.0)
# test update function by a larger range of data
pre_min = np.min(np.array(data_list), axis=0)
pre_max = np.max(np.array(data_list), axis=0)
data_list = np.array(data_list) * 2.0
min_max.update_scaler(data_list)
self.assertTrue(np.equal(pre_min * 2.0, min_max._min).all())
self.assertTrue(np.equal(pre_max * 2.0, min_max._max).all())
def test_standard_scaler(self):
env = make('Pendulum-v0')
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
# test batch standard scaler
standard_scaler = BatchStandardScaler(dims=env_spec.flat_obs_dim)
data_list = []
for i in range(100):
data_list.append(env.observation_space.sample())
data = standard_scaler.process(np.array(data_list))
self.assertTrue(np.isclose(np.mean(data, axis=0), 0.0).all())
# TODO a theoretical bound should be given
self.assertTrue(np.isclose(np.var(data, axis=0), 1.0, atol=0.04).all())
# test running standard scaler
standard_scaler = RunningStandardScaler(dims=env_spec.flat_obs_dim)
data_list = []
for i in range(100):
data_list.append(env.observation_space.sample())
standard_scaler.update_scaler(np.array(data_list))
self.assertEqual(standard_scaler._data_count, 100)
data = standard_scaler.process(np.array(data_list))
self.assertTrue(np.isclose(np.mean(data, axis=0), 0.0).all())
# TODO a theoretical bound should be given
self.assertTrue(np.isclose(np.var(data, axis=0), 1.0, atol=0.04).all())
# test update function
new_data_list = []
for i in range(100):
new_data_list.append(env.observation_space.sample())
standard_scaler.update_scaler(np.array(new_data_list))
self.assertEqual(standard_scaler._data_count, 200)
data_list += new_data_list
data = standard_scaler.process(np.array(data_list))
self.assertTrue(np.isclose(np.mean(data, axis=0), 0.0).all())
# TODO a theoretical bound should be given
self.assertTrue(np.isclose(np.var(data, axis=0), 1.0, atol=0.04).all())
# test running scaler with given data
data_list = []
for i in range(100):
data_list.append(env.observation_space.sample())
standard_scaler = RunningStandardScaler(dims=env_spec.flat_obs_dim,
init_data=np.array(data_list))
self.assertEqual(standard_scaler._data_count, 100)
data = standard_scaler.process(np.array(data_list))
self.assertTrue(np.isclose(np.mean(data, axis=0), 0.0).all())
# TODO a theoretical bound should be given
self.assertTrue(np.isclose(np.var(data, axis=0), 1.0, atol=0.04).all())
# test update of running scaler with given data
new_data_list = []
for i in range(100):
new_data_list.append(env.observation_space.sample())
standard_scaler.update_scaler(np.array(new_data_list))
self.assertEqual(standard_scaler._data_count, 200)
data_list += new_data_list
data = standard_scaler.process(np.array(data_list))
self.assertTrue(np.isclose(np.mean(data, axis=0), 0.0).all())
# TODO a theoretical bound should be given
self.assertTrue(np.isclose(np.var(data, axis=0), 1.0, atol=0.04).all())
# test running scaler with given initial mean, var.
data_list = []
for i in range(100):
data_list.append(env.observation_space.sample())
standard_scaler = RunningStandardScaler(dims=env_spec.flat_obs_dim,
init_mean=np.mean(data_list, axis=0),
init_var=np.var(data_list, axis=0),
init_mean_var_data_count=100)
self.assertEqual(standard_scaler._data_count, 100)
data = standard_scaler.process(np.array(data_list))
self.assertTrue(np.isclose(np.mean(data, axis=0), 0.0).all())
# TODO a theoretical bound should be given
self.assertTrue(np.isclose(np.var(data, axis=0), 1.0, atol=0.04).all())
new_data_list = []
for i in range(100):
new_data_list.append(env.observation_space.sample())
standard_scaler.update_scaler(np.array(new_data_list))
self.assertEqual(standard_scaler._data_count, 200)
data_list += new_data_list
data = standard_scaler.process(np.array(data_list))
self.assertTrue(np.isclose(np.mean(data, axis=0), 0.0).all())
# TODO a theoretical bound should be given
self.assertTrue(np.isclose(np.var(data, axis=0), 1.0, atol=0.04).all())
def task_fn():
env = make('Acrobot-v1')
name = 'example_scheduler_'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_q = MLPQValueFunction(env_spec=env_spec,
name_scope=name + '_mlp_q',
name=name + '_mlp_q',
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": 1,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}])
dqn = DQN(env_spec=env_spec,
config_or_config_dict=dict(REPLAY_BUFFER_SIZE=1000,
GAMMA=0.99,
BATCH_SIZE=10,
LEARNING_RATE=0.001,
TRAIN_ITERATION=1,
DECAY=0.5),
name=name + '_dqn',
value_func=mlp_q)
agent = Agent(env=env,
env_spec=env_spec,
algo=dqn,
name=name + '_agent',
algo_saving_scheduler=PeriodicalEventSchedule(
t_fn=lambda: get_global_status_collect()
('TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
trigger_every_step=20,
after_t=10),
exploration_strategy=EpsilonGreedy(
action_space=env_spec.action_space,
prob_scheduler=PiecewiseScheduler(
t_fn=lambda: get_global_status_collect()
('TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
endpoints=((10, 0.3), (100, 0.1), (200, 0.0)),
outside_value=0.0),
init_random_prob=0.5))
flow = create_train_test_flow(
test_every_sample_count=10,
train_every_sample_count=10,
start_test_after_sample_count=5,
start_train_after_sample_count=5,
train_func_and_args=(agent.train, (), dict()),
test_func_and_args=(agent.test, (), dict(sample_count=10)),
sample_func_and_args=(agent.sample, (),
dict(sample_count=100,
env=agent.env,
in_which_status='TRAIN',
store_flag=True)))
experiment = Experiment(tuner=None,
env=env,
agent=agent,
flow=flow,
name=name + 'experiment_debug')
dqn.parameters.set_scheduler(
param_key='LEARNING_RATE',
scheduler=LinearScheduler(
t_fn=experiment.TOTAL_AGENT_TRAIN_SAMPLE_COUNT,
schedule_timesteps=GlobalConfig(
).DEFAULT_EXPERIMENT_END_POINT['TOTAL_AGENT_TRAIN_SAMPLE_COUNT'],
final_p=0.0001,
initial_p=0.01))
experiment.run()
def task_fn():
env = make('Pendulum-v0')
name = 'demo_exp_'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_v = MLPVValueFunc(env_spec=env_spec,
name_scope=name + 'mlp_v',
name=name + 'mlp_v',
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 16,
"L1_NORM": 0.01,
"L2_NORM": 0.01,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": 1,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}])
policy = NormalDistributionMLPPolicy(env_spec=env_spec,
name_scope=name + 'mlp_policy',
name=name + 'mlp_policy',
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"L1_NORM": 0.01,
"L2_NORM": 0.01,
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS":
env_spec.flat_action_dim,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}],
reuse=False)
ppo = PPO(env_spec=env_spec,
config_or_config_dict={
"gamma": 0.995,
"lam": 0.98,
"policy_train_iter": 10,
"value_func_train_iter": 10,
"clipping_range": None,
"beta": 1.0,
"eta": 50,
"log_var_init": -1.0,
"kl_target": 0.003,
"policy_lr": 0.01,
"value_func_lr": 0.01,
"value_func_train_batch_size": 10,
"lr_multiplier": 1.0
},
value_func=mlp_v,
stochastic_policy=policy,
name=name + 'ppo')
agent = Agent(
env=env,
env_spec=env_spec,
algo=ppo,
algo_saving_scheduler=PeriodicalEventSchedule(
t_fn=lambda: get_global_status_collect()
('TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
trigger_every_step=20,
after_t=10),
name=name + '_agent',
exploration_strategy=EpsilonGreedy(action_space=env_spec.action_space,
init_random_prob=0.5))
flow = create_train_test_flow(
test_every_sample_count=10,
train_every_sample_count=10,
start_test_after_sample_count=5,
start_train_after_sample_count=5,
train_func_and_args=(agent.train, (), dict()),
test_func_and_args=(agent.test, (), dict(sample_count=10)),
sample_func_and_args=(agent.sample, (),
dict(sample_count=100,
env=agent.env,
in_which_status='TRAIN',
store_flag=True)))
experiment = Experiment(tuner=None,
env=env,
agent=agent,
flow=flow,
name=name)
experiment.run()
def lunarlander_task_fn():
exp_config = LUNARLANDER_BENCHMARK_CONFIG_DICT
GlobalConfig().set('DEFAULT_EXPERIMENT_END_POINT',
exp_config['DEFAULT_EXPERIMENT_END_POINT'])
env = make('LunarLander-v2')
name = 'benchmark'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_q = MLPQValueFunction(env_spec=env_spec,
name_scope=name + '_mlp_q',
name=name + '_mlp_q',
**exp_config['MLPQValueFunction'])
dqn = DQN(env_spec=env_spec,
name=name + '_dqn',
value_func=mlp_q,
**exp_config['DQN'])
agent = Agent(env=env,
env_spec=env_spec,
algo=dqn,
name=name + '_agent',
exploration_strategy=EpsilonGreedy(
action_space=env_spec.action_space,
prob_scheduler=LinearScheduler(
t_fn=lambda: get_global_status_collect()
('TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
**exp_config['EpsilonGreedy']['LinearScheduler']),
**exp_config['EpsilonGreedy']['config_or_config_dict']))
flow = TrainTestFlow(
train_sample_count_func=lambda: get_global_status_collect()
('TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
config_or_config_dict=exp_config['TrainTestFlow']
['config_or_config_dict'],
func_dict={
'test': {
'func':
agent.test,
'args':
list(),
'kwargs':
dict(sample_count=exp_config['TrainTestFlow']
['TEST_SAMPLES_COUNT']),
},
'train': {
'func': agent.train,
'args': list(),
'kwargs': dict(),
},
'sample': {
'func':
agent.sample,
'args':
list(),
'kwargs':
dict(sample_count=exp_config['TrainTestFlow']
['TRAIN_SAMPLES_COUNT'],
env=agent.env,
in_which_status='TRAIN',
store_flag=True),
},
})
experiment = Experiment(tuner=None,
env=env,
agent=agent,
flow=flow,
name=name)
experiment.run()
def test_transition_data(self):
env = make('Acrobot-v1')
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
a = TransitionData(env_spec)
st = env.reset()
for i in range(100):
ac = env_spec.action_space.sample()
st_new, re, done, _ = env.step(action=ac)
a.append(state=st, new_state=st_new, action=ac, done=done, reward=re)
self.assertEqual(a.reward_set.shape[0], 100)
self.assertEqual(a.done_set.shape[0], 100)
self.assertEqual(a.action_set.shape[0], 100)
self.assertEqual(a.state_set.shape[0], 100)
self.assertEqual(a.new_state_set.shape[0], 100)
self.assertEqual(a('reward_set').shape[0], 100)
self.assertEqual(a('done_set').shape[0], 100)
self.assertEqual(a('state_set').shape[0], 100)
self.assertEqual(a('new_state_set').shape[0], 100)
self.assertEqual(a('action_set').shape[0], 100)
iterator = a.return_generator()
count = 0
for st, new_st, ac, reward, terminal in iterator:
count += 1
self.assertTrue(env_spec.action_space.contains(ac))
self.assertTrue(env_spec.obs_space.contains(st))
self.assertTrue(env_spec.obs_space.contains(new_st))
self.assertTrue(np.isscalar(reward))
self.assertTrue(isinstance(terminal, bool))
self.assertEqual(count, 100)
a = TransitionData(obs_shape=list(np.array(env_spec.obs_space.sample()).shape),
action_shape=list(np.array(env_spec.action_space.sample()).shape))
st = env.reset()
for i in range(100):
ac = env_spec.action_space.sample()
st_new, re, done, _ = env.step(action=ac)
a.append(state=st, new_state=st_new, action=ac, done=done, reward=re)
self.assertEqual(a.reward_set.shape[0], 100)
self.assertEqual(a.done_set.shape[0], 100)
self.assertEqual(a.action_set.shape[0], 100)
self.assertEqual(a.state_set.shape[0], 100)
self.assertEqual(a.new_state_set.shape[0], 100)
self.assertEqual(a('reward_set').shape[0], 100)
self.assertEqual(a('done_set').shape[0], 100)
self.assertEqual(a('state_set').shape[0], 100)
self.assertEqual(a('new_state_set').shape[0], 100)
self.assertEqual(a('action_set').shape[0], 100)
self.assertTrue(np.equal(a.get_mean_of('state_set'), a.apply_op('state_set', np.mean)).all())
self.assertTrue(np.equal(a.get_sum_of('state_set'), a.apply_op('state_set', np.sum)).all())
self.assertTrue(np.equal(a.get_sum_of('reward_set'), a.apply_op('reward_set', np.sum)).all())
self.assertTrue(np.equal(a.get_sum_of('reward_set'), a.apply_op('reward_set', np.sum)).all())
self.assertTrue(np.equal(a.get_sum_of('action_set'), a.apply_op('action_set', np.sum)).all())
self.assertTrue(np.equal(a.get_sum_of('action_set'), a.apply_op('action_set', np.sum)).all())
self.assertTrue(np.equal(a.apply_op('state_set', np.max, axis=-1), np.max(a('state_set'), axis=-1)).all())
tmp_action = a('action_set').copy()
a.apply_transformation(set_name='action_set', func=lambda x: x * 2, direct_apply=False)
self.assertTrue(np.equal(tmp_action, a('action_set')).all())
a.apply_transformation(set_name='action_set', func=lambda x: x * 2, direct_apply=True)
self.assertTrue(np.equal(tmp_action * 2.0, a('action_set')).all())
try:
a.apply_transformation(set_name='action_set', func=lambda _: np.array([1, 2, 3]), direct_apply=True)
except TransformationResultedToDifferentShape as e:
pass
else:
raise TypeError
a.apply_transformation(set_name='action_set', func=lambda x: x // 2, direct_apply=True)
self.assertTrue(np.equal(tmp_action, a('action_set')).all())
index = np.arange(len(a._internal_data_dict['state_set'][0])).tolist()
b = a.get_copy()
a.shuffle(index=list(index))
for i in range(len(index)):
for key in a._internal_data_dict.keys():
self.assertTrue(np.equal(np.array(a._internal_data_dict[key][0][i]),
np.array(b._internal_data_dict[key][0][i])).all())
iterator = a.return_generator()
count = 0
for st, new_st, ac, reward, terminal in iterator:
count += 1
self.assertTrue(env_spec.action_space.contains(ac))
self.assertTrue(env_spec.obs_space.contains(st))
self.assertTrue(env_spec.obs_space.contains(new_st))
self.assertTrue(np.isscalar(reward))
self.assertTrue(isinstance(terminal, bool))
self.assertEqual(count, 100)
count = 0
iter = a.return_generator(batch_size=10)
for st, new_st, ac, reward, terminal in iter:
self.assertEqual(len(st), 10)
self.assertEqual(len(new_st), 10)
self.assertEqual(len(ac), 10)
self.assertEqual(len(reward), 10)
self.assertEqual(len(terminal), 10)
count += 1
self.assertEqual(count, 10)
count = 0
iter = a.return_generator(batch_size=10, infinite_run=True)
for st, new_st, ac, reward, terminal in iter:
self.assertEqual(len(st), 10)
self.assertEqual(len(new_st), 10)
self.assertEqual(len(ac), 10)
self.assertEqual(len(reward), 10)
self.assertEqual(len(terminal), 10)
count += 1
if count > 20:
break
self.assertGreater(count, 20)
a.append_new_set(name='test', data_set=np.ones_like(a._internal_data_dict['state_set'][0]),
shape=a._internal_data_dict['state_set'][1])
iter = a.return_generator(batch_size=10,
assigned_keys=('state_set', 'new_state_set', 'action_set', 'reward_set', 'done_set', 'test'))
count = 0
for st, new_st, ac, reward, terminal, test in iter:
self.assertEqual(len(test), 10)
count += 1
self.assertEqual(count, 10)
a.reset()
self.assertEqual(a.reward_set.shape[0], 0)
self.assertEqual(a.done_set.shape[0], 0)
self.assertEqual(a.action_set.shape[0], 0)
self.assertEqual(a.state_set.shape[0], 0)
self.assertEqual(a.new_state_set.shape[0], 0)
self.assertEqual(a('reward_set').shape[0], 0)
self.assertEqual(a('done_set').shape[0], 0)
self.assertEqual(a('state_set').shape[0], 0)
self.assertEqual(a('new_state_set').shape[0], 0)
self.assertEqual(a('action_set').shape[0], 0)
def task_fn():
env = make('Pendulum-v0')
name = 'demo_exp'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_q = MLPQValueFunction(env_spec=env_spec,
name_scope=name + '_mlp_q',
name=name + '_mlp_q',
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": 1,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}])
policy = DeterministicMLPPolicy(env_spec=env_spec,
name_scope=name + '_mlp_policy',
name=name + '_mlp_policy',
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": env_spec.flat_action_dim,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}],
reuse=False)
ddpg = DDPG(env_spec=env_spec,
config_or_config_dict={
"REPLAY_BUFFER_SIZE": 10000,
"GAMMA": 0.999,
"CRITIC_LEARNING_RATE": 0.001,
"ACTOR_LEARNING_RATE": 0.001,
"DECAY": 0.5,
"BATCH_SIZE": 50,
"TRAIN_ITERATION": 1,
"critic_clip_norm": 0.1,
"actor_clip_norm": 0.1,
},
value_func=mlp_q,
policy=policy,
name=name + '_ddpg',
replay_buffer=None)
agent = Agent(
env=env,
env_spec=env_spec,
algo=ddpg,
algo_saving_scheduler=PeriodicalEventSchedule(
t_fn=lambda: get_global_status_collect()
('TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
trigger_every_step=20,
after_t=10),
name=name + '_agent',
exploration_strategy=EpsilonGreedy(action_space=env_spec.action_space,
init_random_prob=0.5))
flow = create_train_test_flow(test_every_sample_count=10,
train_every_sample_count=10,
start_test_after_sample_count=5,
start_train_after_sample_count=5,
train_func_and_args=(agent.train, (),
dict()),
test_func_and_args=(agent.test, (),
dict(sample_count=1)),
sample_func_and_args=(agent.sample, (),
dict(sample_count=100,
env=agent.env,
store_flag=True)))
experiment = Experiment(tuner=None,
env=env,
agent=agent,
flow=flow,
name=name)
experiment.run()
def test_dynamics_model_in_pendulum(self):
env = self.create_env('Pendulum-v0')
env_spec = EnvSpec(obs_space=env.observation_space, action_space=env.action_space)
policy, _ = self.create_uniform_policy(env_spec=env_spec)
data = get_some_samples(env=env, policy=policy, num=100, env_spec=env_spec)
gp = GaussianProcessDyanmicsModel(env_spec=env_spec, batch_data=data)
gp.init()
gp.train()
print("gp first fit")
for i in range(len(data.state_set)):
res = gp.step(action=data.action_set[i],
state=data.state_set[i],
allow_clip=True)
_, var = gp._state_transit(action=data.action_set[i],
state=data.state_set[i],
required_var=True)
print(res)
print(data.new_state_set[i])
print(np.sqrt(var))
self.assertTrue(np.isclose(res,
data.new_state_set[i], atol=1e-2).all())
self.assertTrue(np.greater_equal(data.new_state_set[i] + 1.96 * np.sqrt(var), res).all())
self.assertTrue(np.less_equal(data.new_state_set[i] - 1.96 * np.sqrt(var), res).all())
lengthscales = {}
variances = {}
noises = {}
for i, model in enumerate(gp.mgpr_model.models):
lengthscales['GP' + str(i)] = model.kern.lengthscales.value
variances['GP' + str(i)] = np.array([model.kern.variance.value])
noises['GP' + str(i)] = np.array([model.likelihood.variance.value])
print('-----Learned models------')
pd.set_option('precision', 3)
print('---Lengthscales---')
print(pd.DataFrame(data=lengthscales))
print('---Variances---')
print(pd.DataFrame(data=variances))
print('---Noises---')
print(pd.DataFrame(data=noises))
# re fit the gp
print("gp re fit")
data = get_some_samples(env=env, policy=policy, num=100, env_spec=env_spec)
gp.train(batch_data=data)
for i in range(len(data.state_set)):
res = gp.step(action=data.action_set[i],
state=data.state_set[i],
allow_clip=True)
_, var = gp._state_transit(action=data.action_set[i],
state=data.state_set[i],
required_var=True)
print(res)
print(data.new_state_set[i])
print(np.sqrt(var))
self.assertTrue(np.isclose(res,
data.new_state_set[i], atol=1e-2).all())
self.assertTrue(np.greater_equal(data.new_state_set[i] + 1.96 * np.sqrt(var), res).all())
self.assertTrue(np.less_equal(data.new_state_set[i] - 1.96 * np.sqrt(var), res).all())
# do test
print("gp test")
data = get_some_samples(env=env, policy=policy, num=100, env_spec=env_spec)
for i in range(len(data.state_set)):
res = gp.step(action=data.action_set[i],
state=data.state_set[i],
allow_clip=True)
_, var = gp._state_transit(action=data.action_set[i],
state=data.state_set[i],
required_var=True)
print(res)
print(data.new_state_set[i])
print(np.sqrt(var))
print('l1 loss {}'.format(np.linalg.norm(data.new_state_set[i] - res, 1)))
def test_func(self):
env = make('Pendulum-v0')
env.reset()
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
policy = NormalDistributionMLPPolicy(env_spec=env_spec,
name='mlp_policy',
name_scope='mlp_policy',
mlp_config=[{
"ACT":
"RELU",
"B_INIT_VALUE":
0.0,
"NAME":
"1",
"N_UNITS":
16,
"TYPE":
"DENSE",
"W_NORMAL_STDDEV":
0.03
}, {
"ACT":
"LINEAR",
"B_INIT_VALUE":
0.0,
"NAME":
"OUPTUT",
"N_UNITS":
env_spec.flat_action_dim,
"TYPE":
"DENSE",
"W_NORMAL_STDDEV":
0.03
}],
output_high=None,
output_low=None,
output_norm=None,
input_norm=None,
reuse=False)
policy.init()
print(
policy.compute_dist_info(name='entropy',
feed_dict={
policy.state_input:
make_batch(
env_spec.obs_space.sample(),
original_shape=env_spec.obs_shape)
}))
print(
policy.compute_dist_info(
name='prob',
value=env_spec.action_space.sample(),
feed_dict={
policy.state_input:
make_batch(env_spec.obs_space.sample(),
original_shape=env_spec.obs_shape),
policy.action_input:
make_batch(env_spec.action_space.sample(),
original_shape=env_spec.action_shape)
}))
new_policy = policy.make_copy(
reuse=False,
name='new_p',
name_scope='mlp_policy_2',
)
new_policy.init()
for var1, var2 in zip(policy.parameters('tf_var_list'),
new_policy.parameters('tf_var_list')):
print(var1.name)
print(var2.name)
self.assertNotEqual(var1.name, var2.name)
self.assertNotEqual(id(var1), id(var2))
obs1 = make_batch(
env_spec.obs_space.sample(),
original_shape=env_spec.obs_shape,
)
obs2 = make_batch(env_spec.obs_space.sample(),
original_shape=env_spec.obs_shape)
kl1 = policy.compute_dist_info(name='kl',
other=new_policy,
feed_dict={
policy.state_input: obs1,
new_policy.state_input: obs2
})
kl2 = self.sess.run(policy.kl(other=new_policy),
feed_dict={
policy.state_input: obs1,
new_policy.state_input: obs2
})
self.assertTrue(np.isclose(kl1, kl2).all())
def task_fn():
env = make('Acrobot-v1')
name = 'demo_exp'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_q = MLPQValueFunction(env_spec=env_spec,
name_scope=name + '_mlp_q',
name=name + '_mlp_q',
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": 1,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}])
dqn = DQN(env_spec=env_spec,
config_or_config_dict=dict(REPLAY_BUFFER_SIZE=1000,
GAMMA=0.99,
BATCH_SIZE=10,
LEARNING_RATE=0.01,
TRAIN_ITERATION=1,
DECAY=0.5),
name=name + '_dqn',
value_func=mlp_q)
agent = Agent(
env=env,
env_spec=env_spec,
algo=dqn,
name=name + '_agent',
exploration_strategy=EpsilonGreedy(action_space=env_spec.action_space,
init_random_prob=0.5))
flow = create_train_test_flow(
test_every_sample_count=10,
train_every_sample_count=10,
start_test_after_sample_count=5,
start_train_after_sample_count=5,
train_func_and_args=(agent.train, (), dict()),
test_func_and_args=(agent.test, (), dict(sample_count=10)),
sample_func_and_args=(agent.sample, (),
dict(sample_count=100,
env=agent.env,
in_which_status='TRAIN',
store_flag=True)))
experiment = Experiment(tuner=None,
env=env,
agent=agent,
flow=flow,
name=name)
experiment.run()
def test_mlp_norm_dist_policy(self):
env = make('Pendulum-v0')
env.reset()
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
policy = NormalDistributionMLPPolicy(env_spec=env_spec,
name='mlp_policy',
name_scope='mlp_policy',
mlp_config=[{
"ACT":
"RELU",
"B_INIT_VALUE":
0.0,
"NAME":
"1",
"N_UNITS":
16,
"TYPE":
"DENSE",
"W_NORMAL_STDDEV":
0.03
}, {
"ACT":
"LINEAR",
"B_INIT_VALUE":
0.0,
"NAME":
"OUPTUT",
"N_UNITS":
env_spec.flat_action_dim,
"TYPE":
"DENSE",
"W_NORMAL_STDDEV":
0.03
}],
output_high=None,
output_low=None,
output_norm=None,
input_norm=None,
reuse=False)
policy.init()
dist_info = policy.get_dist_info()
self.assertTrue(
np.equal(dist_info[0]['shape'],
policy.mean_output.shape.as_list()).all())
self.assertTrue(
np.equal(dist_info[1]['shape'],
policy.logvar_output.shape.as_list()).all())
for _ in range(10):
ac = policy.forward(obs=env.observation_space.sample())
self.assertTrue(env.action_space.contains(ac[0]))
p2 = policy.make_copy(name='test',
name_scope='mlp_policy_2',
reuse=False)
p2.init()
self.assertGreater(len(policy.parameters('tf_var_list')), 0)
self.assertGreater(len(p2.parameters('tf_var_list')), 0)
for var1, var2 in zip(policy.parameters('tf_var_list'),
p2.parameters('tf_var_list')):
self.assertEqual(var1.shape, var2.shape)
self.assertNotEqual(id(var1), id(var2))
p3 = policy.make_copy(name='mlp_policy_ttt',
name_scope='mlp_policy',
reuse=True)
p3.init()
self.assertGreater(len(p3.parameters('tf_var_list')), 0)
for var1, var2 in zip(policy.parameters('tf_var_list'),
p3.parameters('tf_var_list')):
self.assertEqual(var1.shape, var2.shape)
self.assertEqual(id(var1), id(var2))
# policy.copy_from(p2)]
res_not_true = []
for var1, var2, var3 in zip(policy.parameters('tf_var_list'),
p2.parameters('tf_var_list'),
p3.parameters('tf_var_list')):
re1, re2, re3 = self.sess.run([var1, var2, var3])
res_not_true.append(np.isclose(re1, re2).all())
res_not_true.append(np.isclose(re3, re2).all())
self.assertTrue(np.isclose(re1, re3).all())
self.assertFalse(np.array(res_not_true).all())
policy.copy_from(p2)
for var1, var2, var3 in zip(policy.parameters('tf_var_list'),
p2.parameters('tf_var_list'),
p3.parameters('tf_var_list')):
re1, re2, re3 = self.sess.run([var1, var2, var3])
self.assertTrue(np.isclose(re1, re3).all())
self.assertTrue(np.isclose(re2, re3).all())
self.assertTrue(np.isclose(re1, re2).all())
def pendulum_task_fn():
exp_config = PENDULUM_BENCHMARK_CONFIG_DICT
GlobalConfig().set('DEFAULT_EXPERIMENT_END_POINT',
exp_config['DEFAULT_EXPERIMENT_END_POINT'])
env = make('Pendulum-v0')
name = 'benchmark'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_q = MLPQValueFunction(env_spec=env_spec,
name_scope=name + '_mlp_q',
name=name + '_mlp_q',
**exp_config['MLPQValueFunction'])
policy = DeterministicMLPPolicy(env_spec=env_spec,
name_scope=name + '_mlp_policy',
name=name + '_mlp_policy',
output_low=env_spec.action_space.low,
output_high=env_spec.action_space.high,
**exp_config['DeterministicMLPPolicy'],
reuse=False)
ddpg = DDPG(
env_spec=env_spec,
policy=policy,
value_func=mlp_q,
name=name + '_ddpg',
**exp_config['DDPG']
)
agent = Agent(env=env, env_spec=env_spec,
algo=ddpg,
exploration_strategy=None,
noise_adder=AgentActionNoiseWrapper(noise=NormalActionNoise(),
noise_weight_scheduler=ConstantScheduler(value=0.3),
action_weight_scheduler=ConstantScheduler(value=1.0)),
name=name + '_agent')
flow = TrainTestFlow(train_sample_count_func=lambda: get_global_status_collect()('TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
config_or_config_dict=exp_config['TrainTestFlow']['config_or_config_dict'],
func_dict={
'test': {'func': agent.test,
'args': list(),
'kwargs': dict(sample_count=exp_config['TrainTestFlow']['TEST_SAMPLES_COUNT'],
sample_trajectory_flag=True),
},
'train': {'func': agent.train,
'args': list(),
'kwargs': dict(),
},
'sample': {'func': agent.sample,
'args': list(),
'kwargs': dict(sample_count=exp_config['TrainTestFlow']['TRAIN_SAMPLES_COUNT'],
env=agent.env,
in_which_status='TRAIN',
store_flag=True),
},
})
experiment = Experiment(
tuner=None,
env=env,
agent=agent,
flow=flow,
name=name
)
experiment.run()
def func():
env = make(env_id)
exp_config = make_config(obs_dim=env.env_spec.flat_obs_dim,
action_dim=env.env_spec.flat_action_dim,
policy_hid1_multi=10,
value_hid3_size=5,
value_hid1_multi=10,
total_episode=total_episode,
episode_length=1000,
episode_per_sample=episode_per_sample)
GlobalConfig().set('DEFAULT_EXPERIMENT_END_POINT',
exp_config['DEFAULT_EXPERIMENT_END_POINT'])
env.reset()
env = StepObservationWrapper(
env, step_limit=env.unwrapped._max_episode_steps)
name = 'benchmark'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_v = MLPVValueFunc(env_spec=env_spec,
name_scope=name + 'mlp_v',
name=name + 'mlp_v',
**exp_config['MLP_V'])
policy = NormalDistributionMLPPolicy(
env_spec=env_spec,
name_scope=name + 'mlp_policy',
name=name + 'mlp_policy',
**exp_config['POLICY'],
output_low=env_spec.action_space.low,
output_high=env_spec.action_space.high,
reuse=False)
ppo = PPO(env_spec=env_spec,
**exp_config['PPO'],
value_func=mlp_v,
stochastic_policy=policy,
name=name + '_ppo',
use_time_index_flag=True)
agent = Agent(env=env,
env_spec=env_spec,
algo=ppo,
exploration_strategy=None,
noise_adder=None,
name=name + '_agent')
flow = TrainTestFlow(
train_sample_count_func=lambda: get_global_status_collect()
('TOTAL_AGENT_TRAIN_SAMPLE_FUNC_COUNT'),
config_or_config_dict=exp_config['TrainTestFlow']
['config_or_config_dict'],
func_dict={
'test': {
'func':
agent.test,
'args':
list(),
'kwargs':
dict(sample_count=exp_config['TrainTestFlow']
['TEST_SAMPLES_COUNT']),
},
'train': {
'func': agent.train,
'args': list(),
'kwargs': dict(),
},
'sample': {
'func':
agent.sample,
'args':
list(),
'kwargs':
dict(sample_count=exp_config['TrainTestFlow']
['TRAIN_SAMPLES_COUNT'],
env=agent.env,
sample_type='trajectory',
in_which_status='TRAIN',
store_flag=True),
},
})
experiment = Experiment(tuner=None,
env=env,
agent=agent,
flow=flow,
name=name)
experiment.run()
def task_fn():
env = make('Acrobot-v1')
name = 'demo_exp'
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_q = MLPQValueFunction(env_spec=env_spec,
name_scope=name + '_mlp_q',
name=name + '_mlp_q',
mlp_config=[
{
"ACT": "TANH",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 64,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
},
{
"ACT": "TANH",
"B_INIT_VALUE": 0.0,
"NAME": "2",
"N_UNITS": 64,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
},
{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "3",
"N_UNITS": 256,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
},
{
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": 1,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}
])
dqn = DQN(env_spec=env_spec,
config_or_config_dict=dict(REPLAY_BUFFER_SIZE=50000,
GAMMA=0.99,
BATCH_SIZE=32,
LEARNING_RATE=0.001,
TRAIN_ITERATION=1,
DECAY=0),
name=name + '_dqn',
value_func=mlp_q)
agent = Agent(env=env, env_spec=env_spec,
algo=dqn,
name=name + '_agent',
exploration_strategy=EpsilonGreedy(action_space=env_spec.action_space,
prob_scheduler=LinearScheduler(
t_fn=lambda: get_global_status_collect()(
'TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
schedule_timesteps=int(0.1 * 100000),
initial_p=1.0,
final_p=0.02),
init_random_prob=0.1),
noise_adder=None)
flow = create_train_test_flow(
test_every_sample_count=100,
train_every_sample_count=1,
start_test_after_sample_count=0,
start_train_after_sample_count=1000,
sample_func_and_args=(agent.sample, (), dict(sample_count=1,
env=agent.env,
store_flag=True)),
train_func_and_args=(agent.train, (), dict()),
test_func_and_args=(agent.test, (), dict(sample_count=3)),
)
experiment = Experiment(
tuner=None,
env=env,
agent=agent,
flow=flow,
name=name
)
experiment.run()
def task_fn():
env = make('Pendulum-v0')
name = 'demo_exp'
env.env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
env_spec = env.env_spec
mlp_dyna = ContinuousMLPGlobalDynamicsModel(env_spec=env_spec,
name_scope=name + '_mlp_dyna',
name=name + '_mlp_dyna',
learning_rate=0.01,
mlp_config=[{
"ACT":
"RELU",
"B_INIT_VALUE":
0.0,
"NAME":
"1",
"L1_NORM":
0.0,
"L2_NORM":
0.0,
"N_UNITS":
16,
"TYPE":
"DENSE",
"W_NORMAL_STDDEV":
0.03
}, {
"ACT":
"LINEAR",
"B_INIT_VALUE":
0.0,
"NAME":
"OUPTUT",
"L1_NORM":
0.0,
"L2_NORM":
0.0,
"N_UNITS":
env_spec.flat_obs_dim,
"TYPE":
"DENSE",
"W_NORMAL_STDDEV":
0.03
}])
algo = ModelPredictiveControl(
dynamics_model=mlp_dyna,
env_spec=env_spec,
config_or_config_dict=dict(SAMPLED_HORIZON=2,
SAMPLED_PATH_NUM=5,
dynamics_model_train_iter=10),
name=name + '_mpc',
policy=UniformRandomPolicy(env_spec=env_spec, name='uni_policy'))
algo.set_terminal_reward_function_for_dynamics_env(
reward_func=RandomRewardFunc(name='reward_func'),
terminal_func=RandomTerminalFunc(name='random_terminal'),
)
agent = Agent(
env=env,
env_spec=env_spec,
algo=algo,
name=name + '_agent',
exploration_strategy=EpsilonGreedy(action_space=env_spec.action_space,
init_random_prob=0.5))
flow = create_train_test_flow(test_every_sample_count=10,
train_every_sample_count=10,
start_test_after_sample_count=5,
start_train_after_sample_count=5,
train_func_and_args=(agent.train, (),
dict()),
test_func_and_args=(agent.test, (),
dict(sample_count=10)),
sample_func_and_args=(agent.sample, (),
dict(sample_count=100,
env=agent.env,
store_flag=True)))
experiment = Experiment(tuner=None,
env=env,
agent=agent,
flow=flow,
name=name)
experiment.run()
def task_fn():
# create the gym environment by make function
env = make('Pendulum-v0')
# give your experiment a name which is used to generate the log path etc.
name = 'demo_exp'
# construct the environment specification
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
# construct the neural network to approximate q function of DDPG
mlp_q = MLPQValueFunction(env_spec=env_spec,
name_scope=name + '_mlp_q',
name=name + '_mlp_q',
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": 1,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}])
# construct the neural network to approximate policy for DDPG
policy = DeterministicMLPPolicy(env_spec=env_spec,
name_scope=name + '_mlp_policy',
name=name + '_mlp_policy',
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": env_spec.flat_action_dim,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}],
reuse=False)
# construct the DDPG algorithms
ddpg = DDPG(env_spec=env_spec,
config_or_config_dict={
"REPLAY_BUFFER_SIZE": 10000,
"GAMMA": 0.999,
"CRITIC_LEARNING_RATE": 0.001,
"ACTOR_LEARNING_RATE": 0.001,
"DECAY": 0.5,
"BATCH_SIZE": 50,
"TRAIN_ITERATION": 1,
"critic_clip_norm": 0.1,
"actor_clip_norm": 0.1,
},
value_func=mlp_q,
policy=policy,
name=name + '_ddpg',
replay_buffer=None)
# construct a neural network based global dynamics model to approximate the state transition of environment
mlp_dyna = ContinuousMLPGlobalDynamicsModel(
env_spec=env_spec,
name_scope=name + '_mlp_dyna',
name=name + '_mlp_dyna',
learning_rate=0.01,
state_input_scaler=RunningStandardScaler(dims=env_spec.flat_obs_dim),
action_input_scaler=RunningStandardScaler(
dims=env_spec.flat_action_dim),
output_delta_state_scaler=RunningStandardScaler(
dims=env_spec.flat_obs_dim),
mlp_config=[{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"L1_NORM": 0.0,
"L2_NORM": 0.0,
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}, {
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"L1_NORM": 0.0,
"L2_NORM": 0.0,
"N_UNITS": env_spec.flat_obs_dim,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}])
# finally, construct the Dyna algorithms with a model free algorithm DDGP, and a NN model.
algo = Dyna(env_spec=env_spec,
name=name + '_dyna_algo',
model_free_algo=ddpg,
dynamics_model=mlp_dyna,
config_or_config_dict=dict(dynamics_model_train_iter=10,
model_free_algo_train_iter=10))
# To make the NN based dynamics model a proper environment so be a sampling source for DDPG, reward function and
# terminal function need to be set.
# For examples only, we use random reward function and terminal function with fixed episode length.
algo.set_terminal_reward_function_for_dynamics_env(
terminal_func=FixedEpisodeLengthTerminalFunc(
max_step_length=env.unwrapped._max_episode_steps,
step_count_fn=algo.dynamics_env.total_step_count_fn),
reward_func=RandomRewardFunc())
# construct agent with additional exploration strategy if needed.
agent = Agent(
env=env,
env_spec=env_spec,
algo=algo,
algo_saving_scheduler=PeriodicalEventSchedule(
t_fn=lambda: get_global_status_collect()
('TOTAL_AGENT_TRAIN_SAMPLE_COUNT'),
trigger_every_step=20,
after_t=10),
name=name + '_agent',
exploration_strategy=EpsilonGreedy(action_space=env_spec.action_space,
init_random_prob=0.5))
# construct the training flow, called Dyna flow. It defines how the training proceed, and the terminal condition
flow = create_dyna_flow(
train_algo_func=(agent.train, (), dict(state='state_agent_training')),
train_algo_from_synthesized_data_func=(
agent.train, (), dict(state='state_agent_training')),
train_dynamics_func=(agent.train, (),
dict(state='state_dynamics_training')),
test_algo_func=(agent.test, (), dict(sample_count=1)),
test_dynamics_func=(agent.algo.test_dynamics, (),
dict(sample_count=10, env=env)),
sample_from_real_env_func=(agent.sample, (),
dict(sample_count=10,
env=agent.env,
store_flag=True)),
sample_from_dynamics_env_func=(agent.sample, (),
dict(sample_count=10,
env=agent.algo.dynamics_env,
store_flag=True)),
train_algo_every_real_sample_count_by_data_from_real_env=40,
train_algo_every_real_sample_count_by_data_from_dynamics_env=40,
test_algo_every_real_sample_count=40,
test_dynamics_every_real_sample_count=40,
train_dynamics_ever_real_sample_count=20,
start_train_algo_after_sample_count=1,
start_train_dynamics_after_sample_count=1,
start_test_algo_after_sample_count=1,
start_test_dynamics_after_sample_count=1,
warm_up_dynamics_samples=1)
# construct the experiment
experiment = Experiment(tuner=None,
env=env,
agent=agent,
flow=flow,
name=name + '_exp')
# run!
experiment.run()
def test_integration_with_dqn(self):
env = make('Acrobot-v1')
env_spec = EnvSpec(obs_space=env.observation_space,
action_space=env.action_space)
mlp_q = MLPQValueFunction(env_spec=env_spec,
name='mlp_q',
name_scope='mlp_q',
mlp_config=[
{
"ACT": "RELU",
"B_INIT_VALUE": 0.0,
"NAME": "1",
"N_UNITS": 16,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
},
{
"ACT": "LINEAR",
"B_INIT_VALUE": 0.0,
"NAME": "OUPTUT",
"N_UNITS": 1,
"TYPE": "DENSE",
"W_NORMAL_STDDEV": 0.03
}
])
dqn = DQN(env_spec=env_spec,
name='dqn_test',
config_or_config_dict=dict(REPLAY_BUFFER_SIZE=1000,
GAMMA=0.99,
BATCH_SIZE=10,
LEARNING_RATE=0.001,
TRAIN_ITERATION=1,
DECAY=0.5),
value_func=mlp_q)
agent = Agent(env=env, env_spec=env_spec,
algo=dqn,
name='agent')
agent.init()
# dqn.init()
st = env.reset()
from baconian.common.sampler.sample_data import TransitionData
a = TransitionData(env_spec)
res = []
agent.sample(env=env,
sample_count=100,
in_which_status='TRAIN',
store_flag=True,
sample_type='transition')
agent.sample(env=env,
sample_count=100,
in_which_status='TRAIN',
store_flag=True,
sample_type='transition')
res.append(dqn.train(batch_data=a, train_iter=10, sess=None, update_target=True)['average_loss'])
res.append(dqn.train(batch_data=None, train_iter=10, sess=None, update_target=True)['average_loss'])
self.assertTrue(dqn in dqn.recorder._obj_log)
self.assertTrue('average_loss' in dqn.recorder._obj_log[dqn])
self.assertTrue(len(dqn.recorder._obj_log[dqn]['average_loss']) == 2)
self.assertTrue(
np.equal(np.array(res), [x['value'] for x in dqn.recorder._obj_log[dqn]['average_loss']]).all())
self.assertTrue(len(Logger()._registered_recorders) > 0)
self.assertTrue(dqn.recorder in Logger()._registered_recorders)
res = dqn.recorder.get_log(attr_name='average_loss', filter_by_status=dict())
self.assertEqual(len(res), 2)
res = agent.recorder.get_log(attr_name='sum_reward', filter_by_status={'status': 'TRAIN'})
self.assertEqual(len(res), 2)
res = agent.recorder.get_log(attr_name='sum_reward', filter_by_status={'status': 'TEST'})
self.assertEqual(len(res), 0)
Logger().flush_recorder()