def __init__(self, obs_shape, action_space, base=None, base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3:
base = CNNBase
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
self.base = base(obs_shape[0], **base_kwargs)
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
elif isinstance(action_space, gym.spaces.MultiDiscrete):
self.dist = MultiCategoricalDistribution(self.base.output_size, int(np.sum(action_space.nvec)), action_space.nvec)
else:
raise NotImplementedError
def __init__(self,
obs_shape,
action_space,
is_leaf,
base=None,
base_kwargs=None):
super(OpsPolicy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
self.base = OpsBase(obs_shape[0],
action_space,
is_leaf=is_leaf,
**base_kwargs)
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self,
obs_shape,
action_space,
agent_num,
agent_i,
base=None,
base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3:
base = CNNBase
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
# self.base = base(obs_shape[0], **base_kwargs)
# actor输入维度num_state，critic输入num_state*agent_num
self.base = base(obs_shape[0], agent_num, **base_kwargs)
#import pdb; pdb.set_trace()
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self, obs_shape, action_space, base=None, base_kwargs=None):
#def __init__(self, obs_shape, action_space,action_space2, base=None, base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
# if base is None:
# if len(obs_shape) == 3:
# base = CNNBase
# elif len(obs_shape) == 1:
# base = MLPBase
# else:
# raise NotImplementedError
#base = base
self.base = base #base(obs_shape[0], **base_kwargs)
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
#num_outputs2 = action_space2.n
self.dist = Categorical(self.base.output_size, num_outputs)
#self.dist2 = Categorical(self.base.output_size, num_outputs2)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
init_ = lambda m: init(m, nn.init.orthogonal_, lambda x: nn.init.
constant_(x, 0))
self.critic_linear = init_(nn.Linear(512, 1))
def __init__(self,
obs_shape,
action_space,
action_activation=None,
base=None,
base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3:
base = CNNBase
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
# print("21312312")
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
def action_embedding(actions):
return torch.nn.functional.one_hot(
actions, num_classes=num_outputs).squeeze(-2)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
def action_embedding(actions):
return actions
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
raise NotImplementedError
else:
raise NotImplementedError
base_kwargs["num_actions"] = num_outputs
base_kwargs["action_embedding"] = action_embedding
self.ob_dim = obs_shape[0]
self.h_dim = base_kwargs["hidden_size"]
self.ac_dim = num_outputs
# print("start")
self.base = base(obs_shape[0], **base_kwargs)
# print('finish')
if action_space.__class__.__name__ == "Discrete":
self.dist = Categorical(self.base.output_size,
num_outputs,
is_ref=base_kwargs["is_ref"])
elif action_space.__class__.__name__ == "Box":
self.dist = DiagGaussian(self.base.output_size,
num_outputs,
activation=action_activation)
elif action_space.__class__.__name__ == "MultiBinary":
self.dist = Bernoulli(self.base.output_size, num_outputs)
self.obs_rms = None
def __init__(self, obs_shape, action_space, base=None, base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3:
base = CNNBase
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
# This key is needed to configure the CNN correctly for Genesis, but causes problems with other domains
if (not base_kwargs['is_genesis']):
del base_kwargs['is_genesis']
self.base = base(obs_shape[0], **base_kwargs)
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self, obs_shape, action_space, base=None, base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3:
if obs_shape[-1] == 84:
base = CNNBase
elif obs_shape[-1] == 64:
base = CNNBase64
else:
raise NotImplementedError
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
self.base = base(obs_shape[0], **base_kwargs)
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self, obs_shape, action_space, base=None, base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3:
base = CNNBase
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
self.tt = 0
self.nn = 0
self.visionmodel = None
self.knob_target_hist = torch.zeros(1, 3).cuda()
self.base = base(obs_shape[0], **base_kwargs)
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self, obs_shape, action_space, base=None, base_kwargs=None):
super(APolicy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
base = MLPBase
self.hidden_size = 256
if action_space.__class__.__name__ == "Discrete":
num_inputs = action_space.n + obs_shape[0] * 2
#num_inputs = obs_shape[0]
num_outputs = action_space.n
self.dist = Categorical(self.hidden_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_inputs = action_space.shape[0] + obs_shape[0] * 2
#num_inputs = obs_shape[0]
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.hidden_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_inputs = action_space.shape[0] + obs_shape[0] * 2
#num_inputs = obs_shape[0]
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.hidden_size, num_outputs)
else:
raise NotImplementedError
self.base = base(num_inputs, num_outputs)
def __init__(self, obs_shape, action_space, base=None, base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base == 'Mnist':
base = CNNMnist
if base is None:
if len(obs_shape) == 3:
base = CNNBase
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
self.base = base(
obs_shape, **base_kwargs
) # TODO Lia changed this, the original is the below commendted line
#self.base = base(obs_shape[0], **base_kwargs)
print("obs_shape[0]:", obs_shape[0])
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self, obs_shape, action_space, base=None, base_kwargs=None, base_encoder='simple'):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3:
base = CNNBase
elif len(obs_shape) == 1:
if 'mlp' in base_encoder:
base = MLPBase
elif 'deep' in base_encoder:
base = DeepMLPBase
elif 'attn' in base_encoder:
base = AttnMLP
elif 'special' in base_encoder:
base = SpecialMLP
elif 'MHSA' in base_encoder:
base = MHeadAttnModel
else:
raise NotImplementedError
self.base = base(obs_shape[0], **base_kwargs)
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self,
obs_shape,
action_space,
base=None,
base_kwargs=None,
is_minigrid=False,
use_rew=False):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3 and not (is_minigrid):
base = CNNBase
elif len(obs_shape) == 3 and is_minigrid:
base = CNN_minigrid
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
self.base = base(obs_shape[0], **base_kwargs)
self.use_rew = use_rew
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self, obs_shape, action_space, base=None, base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3:
base = CNNBase
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
self.base = Adaptor(base=base,
obs_shape=obs_shape,
n_classes=512,
**base_kwargs)
self.base.critic_linear = nn.Linear(self.base.output_size, 1)
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self, obs_shape, action_space, base=None, base_kwargs=None, key_value = 0):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if key_value == 1:
base = KeyValueBase
else:
if base is None:
if len(obs_shape) == 3:
base = CNNBase
# base = RLINE #Swap CNNBase for RLINE if you want RLINE
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
self.base = base(obs_shape[0], **base_kwargs)
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self,
obs_space,
obs_process,
obs_module,
action_space,
base_kwargs=None):
super(Policy, self).__init__()
self.obs_space = obs_space
self.obs_process = obs_process
self.obs_module = obs_module
if base_kwargs is None:
base_kwargs = {}
# base takes all of the observations and produces a single feature vector
self.base = NNBase2(obs_space, obs_process, obs_module, **base_kwargs)
init_ = lambda m: init(m, nn.init.orthogonal_, lambda x: nn.init.
constant_(x, 0))
self.critic_linear = init_(nn.Linear(self.base.output_size, 1))
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def create_output_distribution(action_space, output_size):
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
dist = Categorical(output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
dist = DiagGaussian(output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
dist = Bernoulli(output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiDiscrete":
num_outputs = action_space.shape[0]
dist = DiagGaussian(output_size, num_outputs)
elif action_space.__class__.__name__ == "Tuple":
dists = [
create_output_distribution(space, output_size)
for space in action_space
]
# for space in action_space:
# print(action_space.__class__.__name__)
dist = DistributionGeneratorTuple(tuple(dists))
else:
raise NotImplementedError
return dist
def __init__(self,
obs_shape,
feat_dim,
action_space,
base=None,
base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3:
if feat_dim == 0:
self.base = CNNBase(obs_shape[0], **base_kwargs)
else:
self.base = CombinedBase(obs_shape[0], feat_dim,
**base_kwargs)
elif len(obs_shape) == 1:
self.base = MLPBase(obs_shape[0], **base_kwargs)
else:
raise NotImplementedError
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical_masked(self.base.output_size, num_outputs)
self.act_dim = action_space.n
self.ent_denom = math.log(self.act_dim)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self, obs_shape, action_space, hidden_size):
super(Policy, self).__init__()
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(num_outputs, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(num_outputs, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(num_outputs, num_outputs)
self.base = nn.Linear(obs_shape[0], hidden_size)
self.value_head = nn.Linear(hidden_size, 1)
self.action_head = nn.Linear(hidden_size, 2)
def __init__(self,
obs_shape,
action_space,
other_cars=False,
ego_dim=None,
beta_dist=False,
base=None,
base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3:
base = CNNBase
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
self.base = base(obs_shape[0],
other_cars=other_cars,
ego_dim=ego_dim,
**base_kwargs)
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.beta_dist = beta_dist
if self.beta_dist:
self.dist = BetaDist(self.base.output_size, num_outputs)
self.entropy_lb = Variable(
torch.distributions.Beta(20, 20).entropy().float())
else:
self.dist = DiagGaussian(self.base.output_size, num_outputs)
self.hi_lim = action_space.high
self.lo_lim = action_space.low
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self, obs_shape, action_space, IAM=False, RNN=False, base_kwargs=None):
super(IAMPolicy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
self.IAM = IAM
self.recurrent = RNN
if len(obs_shape) == 3:
if self.IAM:
print("Using IAMBaseCNN")
base = IAMBaseCNN
else:
print("Using CNNBase")
base = CNNBase
elif len(obs_shape) == 1:
if self.IAM:
print("Using IAMBase")
base = IAMBase
elif self.recurrent:
print("Using RNNBase")
base = RNNBase
else:
print("Using MLPBase")
base = MLPBase
else:
raise NotImplementedError
self.base = base(obs_shape[0], **base_kwargs)
if action_space.__class__.__name__ == "Discrete":
print("discrete")
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size(), num_outputs)
elif action_space.__class__.__name__ == "Box":
print("Box")
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size(), num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
print("MultiBinary")
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size(), num_outputs)
else:
raise NotImplementedError
def __init__(self,
obs_shape,
action_space,
base=None,
base_kwargs=None,
navi=False,
hidden_size=64,
n_layers=2):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if len(obs_shape) == 3:
# TODO(add hidden size)
base = CNNBase
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
print("DEV: PPO using base:", type(base).__name__)
self.base = base(obs_shape[0],
hidden_size=hidden_size,
n_layers=n_layers,
**base_kwargs)
# print(self.base.state_dict().keys())
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
net_outputs = self.base.output_size
if navi:
net_outputs = 256 * 10
self.dist = Categorical(net_outputs, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self, obs_shape, action_space, base=None, base_kwargs=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
# if base is None:
# if len(obs_shape) == 3:
# base = CNNBase
# elif len(obs_shape) == 1:
# base = MLPBase
# else:
# raise NotImplementedError
if base == 'mlp':
self.base = MLPBase(
obs_shape[0] * 2,
**base_kwargs) # adding prev observation to the input
elif base == 'shared':
self.base = SharedBase(
obs_shape[0] * 2,
**base_kwargs) # adding prev observation to the input
elif base == 'osc':
self.base = OscBase(
obs_shape[0] * 2, **
base_kwargs) # adding prev observation that includes sim time
else:
raise NotImplementedError
# self.base = base(obs_shape[0], **base_kwargs)
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
# self.dist = OrnsteinUhlenbeckActionNoise()
self.dist = DiagGaussian(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
def __init__(self,
obs_shape,
action_space,
zero_last_layer=False,
base=None,
base_kwargs=None,
dist=None):
super(Policy, self).__init__()
if base_kwargs is None:
base_kwargs = {}
if base is None:
if isinstance(obs_shape[0], tuple):
base = E2EBase
elif len(obs_shape) == 3:
base = CNNBase
elif len(obs_shape) == 1:
base = MLPBase
else:
raise NotImplementedError
self.base = base(obs_shape, **base_kwargs)
else:
self.base = base
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.base.output_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.base.output_size,
num_outputs,
zll=zero_last_layer)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.base.output_size, num_outputs)
else:
raise NotImplementedError
if dist is not None:
self.dist = dist
def __init__(self, action_space, env_name, device):
super(RandomAgent, self).__init__()
self.action_space = action_space
self.env_name = env_name
self.device = device
if 'NoFrameskip' in self.env_name:
self.feature_size = 1024
else:
self.feature_size = 64
if action_space.__class__.__name__ == "Discrete":
num_outputs = self.action_space.n
self.dist = Categorical(self.feature_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = self.action_space.shape[0]
self.dist = DiagGaussian(self.feature_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = self.action_space.shape[0]
self.dist = Bernoulli(self.feature_size, num_outputs)
else:
raise NotImplementedError
self.actor_features = torch.rand(self.feature_size)
def __init__(self,
obs_shape,
action_space,
architecture,
state_channels,
hidden_size,
recurse_depth=1,
pool_inject=False,
**kwargs):
super(RecurrentPolicy, self).__init__()
init_ = lambda m: init(m, nn.init.orthogonal_, lambda x: nn.init.
constant_(x, 0), nn.init.calculate_gain('relu'))
num_inputs = obs_shape[0]
im_size = obs_shape[1]
assert im_size == obs_shape[2]
self.spatial_latent_size = (7, 7)
self.hidden_size = hidden_size
self.architecture = architecture
self.is_recurrent = architecture in ["rnn", "crnn"]
if im_size == 84:
self.encoder = nn.Sequential(
init_(nn.Conv2d(num_inputs, 32, 8, stride=4)),
nn.ReLU(),
init_(nn.Conv2d(32, 64, 4, stride=2)),
nn.ReLU(),
init_(nn.Conv2d(64, state_channels, 3, stride=1)),
nn.ReLU(),
)
elif im_size == 64:
self.encoder = nn.Sequential(
# input (x, 64, 64)
init_(nn.Conv2d(num_inputs, 32, 6, stride=4, padding=1)),
nn.ReLU(),
# input (3, 16, 16)
init_(nn.Conv2d(32, 64, 4, stride=2, padding=2)),
nn.ReLU(),
# input (3, 9, 9)
init_(nn.Conv2d(64, state_channels, 3, stride=1)),
nn.ReLU(),
# input (3, 7, 7)
)
else:
raise NotImplementedError
if architecture == "ff":
self.transition = NoTransition(hidden_size,
state_channels=state_channels)
elif architecture == "rnn":
self.transition = RNNTransition(hidden_size,
state_channels=state_channels,
recurse_depth=recurse_depth)
elif architecture == "crnn":
self.transition = CRNNTransition(hidden_size,
state_channels=state_channels,
recurse_depth=recurse_depth,
pool_inject=pool_inject)
else:
raise NotImplementedError
init_ = lambda m: init(m, nn.init.orthogonal_, lambda x: nn.init.
constant_(x, 0))
self.critic_linear = init_(nn.Linear(self.hidden_size, 1))
if action_space.__class__.__name__ == "Discrete":
num_outputs = action_space.n
self.dist = Categorical(self.hidden_size, num_outputs)
elif action_space.__class__.__name__ == "Box":
num_outputs = action_space.shape[0]
self.dist = DiagGaussian(self.hidden_size, num_outputs)
elif action_space.__class__.__name__ == "MultiBinary":
num_outputs = action_space.shape[0]
self.dist = Bernoulli(self.hidden_size, num_outputs)
else:
raise NotImplementedError
self.train()