def forward(self, input):
q_values = self.q_network(input)
imitator_outputs = self.imitator_network(input.state.float_features)
imitator_probs = torch.nn.functional.softmax(imitator_outputs, dim=1)
filter_values = imitator_probs / imitator_probs.max(keepdim=True,
dim=1)[0]
invalid_actions = (filter_values < self.bcq_drop_threshold).float()
invalid_action_penalty = self.invalid_action_penalty * invalid_actions
constrained_q_values = q_values.q_values + invalid_action_penalty
return rlt.AllActionQValues(q_values=constrained_q_values)
def forward(self, input: rlt.PreprocessedState):
q_values = self.dist(input).mean(dim=2)
return rlt.AllActionQValues(q_values=q_values)
def forward(self,
input) -> Union[NamedTuple, torch.FloatTensor]: # type: ignore
output_tensor = False
if self.parametric_action:
state = input.state.float_features
action = input.action.float_features
else:
state = input.state.float_features
action = None
x = state
for i, activation in enumerate(self.activations[:-1]):
if self.use_batch_norm:
x = self.batch_norm_ops[i](x)
x = self.layers[i](x)
if activation == "linear":
continue
elif activation == "tanh":
activation_func = torch.tanh
else:
activation_func = getattr(F, activation)
x = activation_func(x)
value = self.value(x)
if action is not None:
x = torch.cat((x, action), dim=1)
raw_advantage = self.advantage(x)
if self.parametric_action:
advantage = raw_advantage
else:
advantage = raw_advantage - raw_advantage.mean(dim=1, keepdim=True)
q_value = value + advantage
if SummaryWriterContext._global_step % 1000 == 0:
SummaryWriterContext.add_histogram(
"dueling_network/{}/value".format(self._name),
value.detach().cpu())
SummaryWriterContext.add_scalar(
"dueling_network/{}/mean_value".format(self._name),
value.detach().mean().cpu(),
)
SummaryWriterContext.add_histogram(
"dueling_network/{}/q_value".format(self._name),
q_value.detach().cpu())
SummaryWriterContext.add_scalar(
"dueling_network/{}/mean_q_value".format(self._name),
q_value.detach().mean().cpu(),
)
SummaryWriterContext.add_histogram(
"dueling_network/{}/raw_advantage".format(self._name),
raw_advantage.detach().cpu(),
)
SummaryWriterContext.add_scalar(
"dueling_network/{}/mean_raw_advantage".format(self._name),
raw_advantage.detach().mean().cpu(),
)
if not self.parametric_action:
advantage = advantage.detach()
for i in range(advantage.shape[1]):
a = advantage[:, i]
SummaryWriterContext.add_histogram(
"dueling_network/{}/advantage/{}".format(
self._name, i), a.cpu())
SummaryWriterContext.add_scalar(
"dueling_network/{}/mean_advantage/{}".format(
self._name, i),
a.mean().cpu(),
)
if output_tensor:
return q_value # type: ignore
elif self.parametric_action:
return rlt.SingleQValue(q_value=q_value) # type: ignore
else:
return rlt.AllActionQValues(q_values=q_value) # type: ignore
def forward(self, input: rlt.PreprocessedState):
dist = self.log_dist(input).exp()
q_values = (dist * self.support).sum(2)
return rlt.AllActionQValues(q_values=q_values)
def forward(self, input):
q_values = self.data_parallel(input.state.float_features)
return rlt.AllActionQValues(q_values=q_values)
def forward(self, input: rlt.PreprocessedState):
q_values = self.fc(input.state.float_features)
return rlt.AllActionQValues(q_values=q_values)