def get_sac_parameters(
self,
use_2_q_functions=False,
logged_action_uniform_prior=True,
constrain_action_sum=False,
):
return SACModelParameters(
rl=RLParameters(gamma=DISCOUNT, target_update_rate=0.5),
training=SACTrainingParameters(
minibatch_size=self.minibatch_size,
use_2_q_functions=use_2_q_functions,
q_network_optimizer=OptimizerParameters(),
value_network_optimizer=OptimizerParameters(),
actor_network_optimizer=OptimizerParameters(),
alpha_optimizer=OptimizerParameters(),
logged_action_uniform_prior=logged_action_uniform_prior,
),
q_network=FeedForwardParameters(layers=[128, 64],
activations=["relu", "relu"]),
value_network=FeedForwardParameters(layers=[128, 64],
activations=["relu", "relu"]),
actor_network=FeedForwardParameters(layers=[128, 64],
activations=["relu", "relu"]),
constrain_action_sum=constrain_action_sum,
)
def get_sac_parameters(self, use_2_q_functions=False):
return SACModelParameters(
rl=RLParameters(gamma=DISCOUNT,
target_update_rate=0.5,
reward_burnin=100),
training=SACTrainingParameters(
minibatch_size=self.minibatch_size,
use_2_q_functions=use_2_q_functions,
q_network_optimizer=OptimizerParameters(),
value_network_optimizer=OptimizerParameters(),
actor_network_optimizer=OptimizerParameters(),
),
q_network=FeedForwardParameters(layers=[128, 64],
activations=["relu", "relu"]),
value_network=FeedForwardParameters(layers=[128, 64],
activations=["relu", "relu"]),
actor_network=FeedForwardParameters(layers=[128, 64],
activations=["relu", "relu"]),
)
def create_trainer(model_type, params, rl_parameters, use_gpu, env):
if model_type == ModelType.PYTORCH_DISCRETE_DQN.value:
training_parameters = params["training"]
if isinstance(training_parameters, dict):
training_parameters = TrainingParameters(**training_parameters)
rainbow_parameters = params["rainbow"]
if isinstance(rainbow_parameters, dict):
rainbow_parameters = RainbowDQNParameters(**rainbow_parameters)
if env.img:
assert (training_parameters.cnn_parameters
is not None), "Missing CNN parameters for image input"
if isinstance(training_parameters.cnn_parameters, dict):
training_parameters.cnn_parameters = CNNParameters(
**training_parameters.cnn_parameters)
training_parameters.cnn_parameters.conv_dims[
0] = env.num_input_channels
training_parameters.cnn_parameters.input_height = env.height
training_parameters.cnn_parameters.input_width = env.width
training_parameters.cnn_parameters.num_input_channels = (
env.num_input_channels)
else:
assert (training_parameters.cnn_parameters is
None), "Extra CNN parameters for non-image input"
trainer_params = DiscreteActionModelParameters(
actions=env.actions,
rl=rl_parameters,
training=training_parameters,
rainbow=rainbow_parameters,
)
trainer = DQNTrainer(trainer_params, env.normalization, use_gpu)
elif model_type == ModelType.PYTORCH_PARAMETRIC_DQN.value:
training_parameters = params["training"]
if isinstance(training_parameters, dict):
training_parameters = TrainingParameters(**training_parameters)
rainbow_parameters = params["rainbow"]
if isinstance(rainbow_parameters, dict):
rainbow_parameters = RainbowDQNParameters(**rainbow_parameters)
if env.img:
assert (training_parameters.cnn_parameters
is not None), "Missing CNN parameters for image input"
training_parameters.cnn_parameters.conv_dims[
0] = env.num_input_channels
else:
assert (training_parameters.cnn_parameters is
None), "Extra CNN parameters for non-image input"
trainer_params = ContinuousActionModelParameters(
rl=rl_parameters,
training=training_parameters,
rainbow=rainbow_parameters)
trainer = ParametricDQNTrainer(trainer_params, env.normalization,
env.normalization_action, use_gpu)
elif model_type == ModelType.CONTINUOUS_ACTION.value:
training_parameters = params["shared_training"]
if isinstance(training_parameters, dict):
training_parameters = DDPGTrainingParameters(**training_parameters)
actor_parameters = params["actor_training"]
if isinstance(actor_parameters, dict):
actor_parameters = DDPGNetworkParameters(**actor_parameters)
critic_parameters = params["critic_training"]
if isinstance(critic_parameters, dict):
critic_parameters = DDPGNetworkParameters(**critic_parameters)
trainer_params = DDPGModelParameters(
rl=rl_parameters,
shared_training=training_parameters,
actor_training=actor_parameters,
critic_training=critic_parameters,
)
action_range_low = env.action_space.low.astype(np.float32)
action_range_high = env.action_space.high.astype(np.float32)
trainer = DDPGTrainer(
trainer_params,
env.normalization,
env.normalization_action,
torch.from_numpy(action_range_low).unsqueeze(dim=0),
torch.from_numpy(action_range_high).unsqueeze(dim=0),
use_gpu,
)
elif model_type == ModelType.SOFT_ACTOR_CRITIC.value:
trainer_params = SACModelParameters(
rl=rl_parameters,
training=SACTrainingParameters(
minibatch_size=params["sac_training"]["minibatch_size"],
use_2_q_functions=params["sac_training"]["use_2_q_functions"],
q_network_optimizer=OptimizerParameters(
**params["sac_training"]["q_network_optimizer"]),
value_network_optimizer=OptimizerParameters(
**params["sac_training"]["value_network_optimizer"]),
actor_network_optimizer=OptimizerParameters(
**params["sac_training"]["actor_network_optimizer"]),
entropy_temperature=params["sac_training"]
["entropy_temperature"],
),
q_network=FeedForwardParameters(**params["sac_q_training"]),
value_network=FeedForwardParameters(
**params["sac_value_training"]),
actor_network=FeedForwardParameters(
**params["sac_actor_training"]),
)
trainer = get_sac_trainer(env, trainer_params, use_gpu)
else:
raise NotImplementedError(
"Model of type {} not supported".format(model_type))
return trainer
def create_trainer(model_type, params, rl_parameters, use_gpu, env):
if model_type == ModelType.PYTORCH_DISCRETE_DQN.value:
training_parameters = params["training"]
if isinstance(training_parameters, dict):
training_parameters = TrainingParameters(**training_parameters)
rainbow_parameters = params["rainbow"]
if isinstance(rainbow_parameters, dict):
rainbow_parameters = RainbowDQNParameters(**rainbow_parameters)
if env.img:
assert (
training_parameters.cnn_parameters is not None
), "Missing CNN parameters for image input"
if isinstance(training_parameters.cnn_parameters, dict):
training_parameters.cnn_parameters = CNNParameters(
**training_parameters.cnn_parameters
)
training_parameters.cnn_parameters.conv_dims[0] = env.num_input_channels
training_parameters.cnn_parameters.input_height = env.height
training_parameters.cnn_parameters.input_width = env.width
training_parameters.cnn_parameters.num_input_channels = (
env.num_input_channels
)
else:
assert (
training_parameters.cnn_parameters is None
), "Extra CNN parameters for non-image input"
trainer_params = DiscreteActionModelParameters(
actions=env.actions,
rl=rl_parameters,
training=training_parameters,
rainbow=rainbow_parameters,
)
trainer = create_dqn_trainer_from_params(
trainer_params, env.normalization, use_gpu
)
elif model_type == ModelType.PYTORCH_PARAMETRIC_DQN.value:
training_parameters = params["training"]
if isinstance(training_parameters, dict):
training_parameters = TrainingParameters(**training_parameters)
rainbow_parameters = params["rainbow"]
if isinstance(rainbow_parameters, dict):
rainbow_parameters = RainbowDQNParameters(**rainbow_parameters)
if env.img:
assert (
training_parameters.cnn_parameters is not None
), "Missing CNN parameters for image input"
training_parameters.cnn_parameters.conv_dims[0] = env.num_input_channels
else:
assert (
training_parameters.cnn_parameters is None
), "Extra CNN parameters for non-image input"
trainer_params = ContinuousActionModelParameters(
rl=rl_parameters, training=training_parameters, rainbow=rainbow_parameters
)
trainer = create_parametric_dqn_trainer_from_params(
trainer_params, env.normalization, env.normalization_action, use_gpu
)
elif model_type == ModelType.TD3.value:
trainer_params = TD3ModelParameters(
rl=rl_parameters,
training=TD3TrainingParameters(
minibatch_size=params["td3_training"]["minibatch_size"],
q_network_optimizer=OptimizerParameters(
**params["td3_training"]["q_network_optimizer"]
),
actor_network_optimizer=OptimizerParameters(
**params["td3_training"]["actor_network_optimizer"]
),
use_2_q_functions=params["td3_training"]["use_2_q_functions"],
exploration_noise=params["td3_training"]["exploration_noise"],
initial_exploration_ts=params["td3_training"]["initial_exploration_ts"],
target_policy_smoothing=params["td3_training"][
"target_policy_smoothing"
],
noise_clip=params["td3_training"]["noise_clip"],
delayed_policy_update=params["td3_training"]["delayed_policy_update"],
),
q_network=FeedForwardParameters(**params["td3_q_training"]),
actor_network=FeedForwardParameters(**params["td3_actor_training"]),
)
trainer = get_td3_trainer(env, trainer_params, use_gpu)
elif model_type == ModelType.SOFT_ACTOR_CRITIC.value:
value_network = None
value_network_optimizer = None
alpha_optimizer = None
if params["sac_training"]["use_value_network"]:
value_network = FeedForwardParameters(**params["sac_value_training"])
value_network_optimizer = OptimizerParameters(
**params["sac_training"]["value_network_optimizer"]
)
if "alpha_optimizer" in params["sac_training"]:
alpha_optimizer = OptimizerParameters(
**params["sac_training"]["alpha_optimizer"]
)
entropy_temperature = params["sac_training"].get("entropy_temperature", None)
target_entropy = params["sac_training"].get("target_entropy", None)
trainer_params = SACModelParameters(
rl=rl_parameters,
training=SACTrainingParameters(
minibatch_size=params["sac_training"]["minibatch_size"],
use_2_q_functions=params["sac_training"]["use_2_q_functions"],
use_value_network=params["sac_training"]["use_value_network"],
q_network_optimizer=OptimizerParameters(
**params["sac_training"]["q_network_optimizer"]
),
value_network_optimizer=value_network_optimizer,
actor_network_optimizer=OptimizerParameters(
**params["sac_training"]["actor_network_optimizer"]
),
entropy_temperature=entropy_temperature,
target_entropy=target_entropy,
alpha_optimizer=alpha_optimizer,
),
q_network=FeedForwardParameters(**params["sac_q_training"]),
value_network=value_network,
actor_network=FeedForwardParameters(**params["sac_actor_training"]),
)
trainer = get_sac_trainer(env, trainer_params, use_gpu)
else:
raise NotImplementedError("Model of type {} not supported".format(model_type))
return trainer
def create_park_trainer(model_type, params, rl_parameters, use_gpu, env):
if model_type == ModelType.PYTORCH_DISCRETE_DQN.value:
training_parameters = params["training"]
if isinstance(training_parameters, dict):
training_parameters = TrainingParameters(**training_parameters)
rainbow_parameters = params["rainbow"]
if isinstance(rainbow_parameters, dict):
rainbow_parameters = RainbowDQNParameters(**rainbow_parameters)
if env.img:
assert (training_parameters.cnn_parameters
is not None), "Missing CNN parameters for image input"
if isinstance(training_parameters.cnn_parameters, dict):
training_parameters.cnn_parameters = CNNParameters(
**training_parameters.cnn_parameters)
training_parameters.cnn_parameters.conv_dims[
0] = env.num_input_channels
training_parameters.cnn_parameters.input_height = env.height
training_parameters.cnn_parameters.input_width = env.width
training_parameters.cnn_parameters.num_input_channels = (
env.num_input_channels)
else:
assert (training_parameters.cnn_parameters is
None), "Extra CNN parameters for non-image input"
trainer_params = DiscreteActionModelParameters(
actions=env.actions,
rl=rl_parameters,
training=training_parameters,
rainbow=rainbow_parameters,
)
trainer = create_park_dqn_trainer_from_params(
model=trainer_params,
normalization_parameters=env.normalization,
use_gpu=use_gpu,
env=env.env)
elif model_type == ModelType.PYTORCH_PARAMETRIC_DQN.value:
training_parameters = params["training"]
if isinstance(training_parameters, dict):
training_parameters = TrainingParameters(**training_parameters)
rainbow_parameters = params["rainbow"]
if isinstance(rainbow_parameters, dict):
rainbow_parameters = RainbowDQNParameters(**rainbow_parameters)
if env.img:
assert (training_parameters.cnn_parameters
is not None), "Missing CNN parameters for image input"
training_parameters.cnn_parameters.conv_dims[
0] = env.num_input_channels
else:
assert (training_parameters.cnn_parameters is
None), "Extra CNN parameters for non-image input"
trainer_params = ContinuousActionModelParameters(
rl=rl_parameters,
training=training_parameters,
rainbow=rainbow_parameters)
trainer = create_parametric_dqn_trainer_from_params(
trainer_params,
env.normalization,
env.normalization_action,
use_gpu,
env=env.env)
elif model_type == ModelType.CONTINUOUS_ACTION.value:
training_parameters = params["shared_training"]
if isinstance(training_parameters, dict):
training_parameters = DDPGTrainingParameters(**training_parameters)
actor_parameters = params["actor_training"]
if isinstance(actor_parameters, dict):
actor_parameters = DDPGNetworkParameters(**actor_parameters)
critic_parameters = params["critic_training"]
if isinstance(critic_parameters, dict):
critic_parameters = DDPGNetworkParameters(**critic_parameters)
trainer_params = DDPGModelParameters(
rl=rl_parameters,
shared_training=training_parameters,
actor_training=actor_parameters,
critic_training=critic_parameters,
)
action_range_low = env.action_space.low.astype(np.float32)
action_range_high = env.action_space.high.astype(np.float32)
state_dim = get_num_output_features(env.normalization)
action_dim = get_num_output_features(env.normalization_action)
# Build Actor Network
actor_network = ActorNetModel(
layers=([state_dim] + trainer_params.actor_training.layers[1:-1] +
[action_dim]),
activations=trainer_params.actor_training.activations,
fl_init=trainer_params.shared_training.final_layer_init,
state_dim=state_dim,
action_dim=action_dim,
use_gpu=use_gpu,
use_all_avail_gpus=False,
)
# Build Critic Network
critic_network = CriticNetModel(
# Ensure dims match input state and scalar output
layers=[state_dim] + \
trainer_params.critic_training.layers[1:-1] + [1],
activations=trainer_params.critic_training.activations,
fl_init=trainer_params.shared_training.final_layer_init,
state_dim=state_dim,
action_dim=action_dim,
use_gpu=use_gpu,
use_all_avail_gpus=False,
)
trainer = DDPGTrainer(
actor_network,
critic_network,
trainer_params,
env.normalization,
env.normalization_action,
torch.from_numpy(action_range_low).unsqueeze(dim=0),
torch.from_numpy(action_range_high).unsqueeze(dim=0),
use_gpu,
)
elif model_type == ModelType.SOFT_ACTOR_CRITIC.value:
value_network = None
value_network_optimizer = None
if params["sac_training"]["use_value_network"]:
value_network = FeedForwardParameters(
**params["sac_value_training"])
value_network_optimizer = OptimizerParameters(
**params["sac_training"]["value_network_optimizer"])
trainer_params = SACModelParameters(
rl=rl_parameters,
training=SACTrainingParameters(
minibatch_size=params["sac_training"]["minibatch_size"],
use_2_q_functions=params["sac_training"]["use_2_q_functions"],
use_value_network=params["sac_training"]["use_value_network"],
q_network_optimizer=OptimizerParameters(
**params["sac_training"]["q_network_optimizer"]),
value_network_optimizer=value_network_optimizer,
actor_network_optimizer=OptimizerParameters(
**params["sac_training"]["actor_network_optimizer"]),
entropy_temperature=params["sac_training"]
["entropy_temperature"],
),
q_network=FeedForwardParameters(**params["sac_q_training"]),
value_network=value_network,
actor_network=FeedForwardParameters(
**params["sac_actor_training"]),
)
trainer = horizon_runner.get_sac_trainer(env, trainer_params, use_gpu)
else:
raise NotImplementedError(
"Model of type {} not supported".format(model_type))
return trainer