def __init__(self, model, n_in, n_out, state_bounds, action_bounds,
reward_bound, settings_):
super(MBPG, self).__init__(model, n_in, n_out, state_bounds,
action_bounds, reward_bound, settings_)
# scale = (bounds[1][i]-bounds[0][i])/2.0
# create a small convolutional neural network
# self._action_std_scaling = (self._action_bounds[1] - self._action_bounds[0]) / 2.0
self._NotFallen = T.bcol("Not_Fallen")
## because float64 <= float32 * int32, need to use int16 or int8
self._NotFallen.tag.test_value = np.zeros((self._batch_size, 1),
dtype=np.dtype('int8'))
self._NotFallen_shared = theano.shared(np.zeros((self._batch_size, 1),
dtype='int8'),
broadcastable=(False, True))
self._advantage = T.col("Advantage")
self._advantage.tag.test_value = np.zeros(
(self._batch_size, 1),
dtype=np.dtype(self.getSettings()['float_type']))
self._advantage_shared = theano.shared(np.zeros(
(self._batch_size, 1), dtype=self.getSettings()['float_type']),
broadcastable=(False, True))
self._dyna_target = T.col("DYNA_Target")
self._dyna_target.tag.test_value = np.zeros(
(self._batch_size, 1),
dtype=np.dtype(self.getSettings()['float_type']))
self._dyna_target_shared = theano.shared(np.zeros(
(self._batch_size, 1), dtype=self.getSettings()['float_type']),
broadcastable=(False, True))
self._KL_Weight = T.scalar("KL_Weight")
self._KL_Weight.tag.test_value = np.zeros(
(1), dtype=np.dtype(self.getSettings()['float_type']))[0]
self._kl_weight_shared = theano.shared(
np.ones((1), dtype=self.getSettings()['float_type'])[0])
self._kl_weight_shared.set_value(
self.getSettings()['previous_value_regularization_weight'])
"""
self._target_shared = theano.shared(
np.zeros((self._batch_size, 1), dtype='float64'),
broadcastable=(False, True))
"""
self._critic_regularization_weight = self.getSettings(
)["critic_regularization_weight"]
self._critic_learning_rate = self.getSettings()["critic_learning_rate"]
# primary network
self._model = model
# Target network
self._modelTarget = copy.deepcopy(model)
self._q_valsA = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._q_valsA_drop = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_valsNextState = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getResultStateSymbolicVariable(),
deterministic=True)
self._q_valsTargetNextState = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getResultStateSymbolicVariable(),
deterministic=True)
self._q_valsTarget = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._q_valsTarget_drop = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_valsActA = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)[:, :self._action_length]
# self._q_valsActA = scale_action(self._q_valsActA, self._action_bounds)
self._q_valsActASTD = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)[:, self._action_length:]
## prevent value from being 0
"""
if ( 'use_fixed_std' in self.getSettings() and ( self.getSettings()['use_fixed_std'])):
self._q_valsActASTD = ( T.ones_like(self._q_valsActA)) * self.getSettings()['exploration_rate']
# self._q_valsActASTD = ( T.ones_like(self._q_valsActA)) * self.getSettings()['exploration_rate']
else:
"""
self._q_valsActASTD = ((self._q_valsActASTD) *
self.getSettings()['exploration_rate']) + 2e-2
self._q_valsActTarget = lasagne.layers.get_output(
self._modelTarget.getActorNetwork(),
self._model.getStateSymbolicVariable())[:, :self._action_length]
# self._q_valsActTarget = scale_action(self._q_valsActTarget, self._action_bounds)
self._q_valsActTargetSTD = lasagne.layers.get_output(
self._modelTarget.getActorNetwork(),
self._model.getStateSymbolicVariable())[:, self._action_length:]
"""
if ( 'use_fixed_std' in self.getSettings() and ( self.getSettings()['use_fixed_std'])):
self._q_valsActTargetSTD = (T.ones_like(self._q_valsActTarget)) * self.getSettings()['exploration_rate']
# self._q_valsActTargetSTD = (self._action_std_scaling * T.ones_like(self._q_valsActTarget)) * self.getSettings()['exploration_rate']
else:
"""
self._q_valsActTargetSTD = (
(self._q_valsActTargetSTD) *
self.getSettings()['exploration_rate']) + 2e-2
self._q_valsActA_drop = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_func = self._q_valsA
self._q_funcTarget = self._q_valsTarget
self._q_func_drop = self._q_valsA_drop
self._q_funcTarget_drop = self._q_valsTarget_drop
self._q_funcAct = self._q_valsActA
self._q_funcAct_drop = self._q_valsActA_drop
# self._target = (self._model.getRewardSymbolicVariable() + (np.array([self._discount_factor] ,dtype=np.dtype(self.getSettings()['float_type']))[0] * self._q_valsTargetNextState )) * self._NotFallen
# self._target = T.mul(T.add(self._model.getRewardSymbolicVariable(), T.mul(self._discount_factor, self._q_valsTargetNextState )), self._NotFallen) + (self._NotFallen - 1)
self._target = self._model.getRewardSymbolicVariable() + (
self._discount_factor * self._q_valsTargetNextState)
self._diff = self._target - self._q_func
self._diff_drop = self._target - self._q_func_drop
# loss = 0.5 * self._diff ** 2
loss = 0.5 * T.pow(self._diff, 2)
self._loss = T.mean(loss)
self._loss_drop = T.mean(0.5 * self._diff_drop**2)
self._params = lasagne.layers.helper.get_all_params(
self._model.getCriticNetwork())
self._actionParams = lasagne.layers.helper.get_all_params(
self._model.getActorNetwork())
self._givens_ = {
self._model.getStateSymbolicVariable():
self._model.getStates(),
self._model.getResultStateSymbolicVariable():
self._model.getResultStates(),
self._model.getRewardSymbolicVariable():
self._model.getRewards(),
# self._NotFallen: self._NotFallen_shared
# self._model.getActionSymbolicVariable(): self._actions_shared,
}
self._actGivens = {
self._model.getStateSymbolicVariable():
self._model.getStates(),
# self._model.getResultStateSymbolicVariable(): self._model.getResultStates(),
# self._model.getRewardSymbolicVariable(): self._model.getRewards(),
self._model.getActionSymbolicVariable():
self._model.getActions(),
# self._NotFallen: self._NotFallen_shared,
self._advantage:
self._advantage_shared,
# self._KL_Weight: self._kl_weight_shared
}
self._allGivens = {
self._model.getStateSymbolicVariable():
self._model.getStates(),
self._model.getResultStateSymbolicVariable():
self._model.getResultStates(),
self._model.getRewardSymbolicVariable():
self._model.getRewards(),
self._model.getActionSymbolicVariable():
self._model.getActions(),
# self._NotFallen: self._NotFallen_shared,
self._advantage:
self._advantage_shared,
# self._KL_Weight: self._kl_weight_shared
}
self._critic_regularization = (
self._critic_regularization_weight *
lasagne.regularization.regularize_network_params(
self._model.getCriticNetwork(), lasagne.regularization.l2))
self._actor_regularization = (
self._regularization_weight *
lasagne.regularization.regularize_network_params(
self._model.getActorNetwork(), lasagne.regularization.l2))
self._kl_firstfixed = T.mean(
kl(self._q_valsActTarget, self._q_valsActTargetSTD,
self._q_valsActA, self._q_valsActASTD, self._action_length))
# self._actor_regularization = (( self.getSettings()['previous_value_regularization_weight']) * self._kl_firstfixed )
# self._actor_regularization = (( self._KL_Weight ) * self._kl_firstfixed ) + (10*(self._kl_firstfixed>self.getSettings()['kl_divergence_threshold'])*
# T.square(self._kl_firstfixed-self.getSettings()['kl_divergence_threshold']))
self._actor_entropy = 0.5 * T.mean((2 * np.pi * self._q_valsActASTD))
# SGD update
# self._updates_ = lasagne.updates.rmsprop(self._loss + (self._regularization_weight * lasagne.regularization.regularize_network_params(
# self._model.getCriticNetwork(), lasagne.regularization.l2)), self._params, self._learning_rate, self._rho,
# self._rms_epsilon)
self._value_grad = T.grad(self._loss + self._critic_regularization,
self._params)
## Clipping the max gradient
"""
for x in range(len(self._value_grad)):
self._value_grad[x] = T.clip(self._value_grad[x] , -0.1, 0.1)
"""
if (self.getSettings()['optimizer'] == 'rmsprop'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.rmsprop(self._value_grad,
self._params,
self._learning_rate,
self._rho,
self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.momentum(
self._value_grad,
self._params,
self._critic_learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.adam(self._value_grad,
self._params,
self._critic_learning_rate,
beta1=0.9,
beta2=0.9,
epsilon=self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'adagrad'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.adagrad(
self._value_grad,
self._params,
self._critic_learning_rate,
epsilon=self._rms_epsilon)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
sys.exit(-1)
## Need to perform an element wise operation or replicate _diff for this to work properly.
# self._actDiff = theano.tensor.elemwise.Elemwise(theano.scalar.mul)((self._model.getActionSymbolicVariable() - self._q_valsActA),
# theano.tensor.tile((self._advantage * (1.0/(1.0-self._discount_factor))), self._action_length)) # Target network does not work well here?
## advantage = Q(a,s) - V(s) = (r + gamma*V(s')) - V(s)
# self._advantage = (((self._model.getRewardSymbolicVariable() + (self._discount_factor * self._q_valsTargetNextState)) * self._NotFallen)) - self._q_func
self._Advantage = self._advantage # * (1.0/(1.0-self._discount_factor)) ## scale back to same as rewards
# self._log_prob = loglikelihood(self._model.getActionSymbolicVariable(), self._q_valsActA, self._q_valsActASTD, self._action_length)
# self._log_prob_target = loglikelihood(self._model.getActionSymbolicVariable(), self._q_valsActTarget, self._q_valsActTargetSTD, self._action_length)
### Only change the std
self._prob = likelihood(self._model.getActionSymbolicVariable(),
self._q_valsActTarget, self._q_valsActASTD,
self._action_length)
self._prob_target = likelihood(self._model.getActionSymbolicVariable(),
self._q_valsActTarget,
self._q_valsActTargetSTD,
self._action_length)
## This does the sum already
self._r = (self._prob / self._prob_target)
self._actLoss_ = theano.tensor.elemwise.Elemwise(theano.scalar.mul)(
(self._r), self._Advantage)
ppo_epsilon = self.getSettings()['kl_divergence_threshold']
self._actLoss_2 = theano.tensor.elemwise.Elemwise(theano.scalar.mul)(
(theano.tensor.clip(self._r, 1.0 - ppo_epsilon,
1 + ppo_epsilon), self._Advantage))
self._actLoss_ = theano.tensor.minimum((self._actLoss_),
(self._actLoss_2))
self._actLoss = (-1.0 *
(T.mean(self._actLoss_) +
(self.getSettings()['std_entropy_weight'] *
self._actor_entropy))) + self._actor_regularization
self._policy_grad = T.grad(self._actLoss, self._actionParams)
self._policy_grad = lasagne.updates.total_norm_constraint(
self._policy_grad, 5)
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._actionUpdates = lasagne.updates.rmsprop(
self._policy_grad, self._actionParams, self._learning_rate,
self._rho, self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._actionUpdates = lasagne.updates.momentum(self._policy_grad,
self._actionParams,
self._learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
self._actionUpdates = lasagne.updates.adam(self._policy_grad,
self._actionParams,
self._learning_rate,
beta1=0.9,
beta2=0.999,
epsilon=1e-08)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
if (('train_state_encoding' in self.getSettings())
and (self.getSettings()['train_state_encoding'])):
self._encoded_state = lasagne.layers.get_output(
self._model.getEncodeNet(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._encoding_loss = T.mean(
T.pow(self._encoded_state - self._model.getStates(), 2))
self._full_loss = (
self._loss + self._critic_regularization +
(-1.0 * self.getSettings()['policy_loss_weight'] *
(T.mean(self._actLoss_) +
(self.getSettings()['std_entropy_weight'] *
self._actor_entropy))) +
(self._actor_regularization + self._encoding_loss))
else:
self._full_loss = (
self._loss + self._critic_regularization +
(-1.0 * self.getSettings()['policy_loss_weight'] *
(T.mean(self._actLoss_) +
(self.getSettings()['std_entropy_weight'] *
self._actor_entropy))) + self._actor_regularization)
if (('train_state_encoding' in self.getSettings())
and (self.getSettings()['train_state_encoding'])):
self._encodeParams = lasagne.layers.helper.get_all_params(
self._model.getEncodeNet())
self._all_Params = self._params + self._actionParams + self._encodeParams
else:
# self._all_Params = self._params + self._actionParams[-3:]
self._all_Params = self._params + self._actionParams
print("Num params: ", len(self._all_Params), " params: ",
len(self._params), " act params: ", len(self._actionParams))
self._both_grad = T.grad(self._full_loss, self._all_Params)
self._both_grad = lasagne.updates.total_norm_constraint(
self._both_grad, 5)
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._collectiveUpdates = lasagne.updates.rmsprop(
self._both_grad, self._all_Params, self._learning_rate,
self._rho, self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._collectiveUpdates = lasagne.updates.momentum(
self._both_grad,
self._all_Params,
self._learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
self._collectiveUpdates = lasagne.updates.adam(self._both_grad,
self._all_Params,
self._learning_rate,
beta1=0.9,
beta2=0.999,
epsilon=1e-08)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
# actionUpdates = lasagne.updates.rmsprop(T.mean(self._q_funcAct_drop) +
# (self._regularization_weight * lasagne.regularization.regularize_network_params(
# self._model.getActorNetwork(), lasagne.regularization.l2)), actionParams,
# self._learning_rate * 0.5 * (-T.sum(actDiff_drop)/float(self._batch_size)), self._rho, self._rms_epsilon)
self._givens_grad = {
self._model.getStateSymbolicVariable(): self._model.getStates(),
# self._model.getResultStateSymbolicVariable(): self._model.getResultStates(),
# self._model.getRewardSymbolicVariable(): self._model.getRewards(),
# self._model.getActionSymbolicVariable(): self._actions_shared,
}
### _q_valsA because the predicted state is stored in self._model.getStateSymbolicVariable()
self._diff_dyna = self._dyna_target - self._q_valsNextState
# loss = 0.5 * self._diff ** 2
loss = 0.5 * T.pow(self._diff_dyna, 2)
self._loss_dyna = T.mean(loss)
self._dyna_grad = T.grad(self._loss_dyna + self._critic_regularization,
self._params)
self._givens_dyna = {
# self._model.getStateSymbolicVariable(): self._model.getStates(),
self._model.getResultStateSymbolicVariable():
self._model.getResultStates(),
# self._model.getRewardSymbolicVariable(): self._model.getRewards(),
# self._NotFallen: self._NotFallen_shared
# self._model.getActionSymbolicVariable(): self._actions_shared,
self._dyna_target:
self._dyna_target_shared
}
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._DYNAUpdates = lasagne.updates.rmsprop(
self._dyna_grad, self._params, self._learning_rate, self._rho,
self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._DYNAUpdates = lasagne.updates.momentum(self._dyna_grad,
self._params,
self._learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
self._DYNAUpdates = lasagne.updates.adam(self._dyna_grad,
self._params,
self._learning_rate,
beta1=0.9,
beta2=0.999,
epsilon=self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'adagrad'):
self._DYNAUpdates = lasagne.updates.adagrad(
self._dyna_grad,
self._params,
self._learning_rate,
epsilon=self._rms_epsilon)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
## Bellman error
self._bellman = self._target - self._q_funcTarget
## Some cool stuff to backprop action gradients
self._action_grad = T.matrix("Action_Grad")
self._action_grad.tag.test_value = np.zeros(
(self._batch_size, self._action_length),
dtype=np.dtype(self.getSettings()['float_type']))
self._action_grad_shared = theano.shared(
np.zeros((self._batch_size, self._action_length),
dtype=self.getSettings()['float_type']))
self._action_mean_grads = T.grad(
cost=None,
wrt=self._actionParams,
known_grads={self._q_valsActA: self._action_grad_shared}),
# print ("Action grads: ", self._action_mean_grads[0])
## When passing in gradients it needs to be a proper list of gradient expressions
self._action_mean_grads = list(self._action_mean_grads[0])
# print ("isinstance(self._action_mean_grads, list): ", isinstance(self._action_mean_grads, list))
# print ("Action grads: ", self._action_mean_grads)
self._actionGRADUpdates = lasagne.updates.adagrad(
self._action_mean_grads,
self._actionParams,
self._learning_rate,
epsilon=self._rms_epsilon)
self._actGradGivens = {
self._model.getStateSymbolicVariable(): self._model.getStates(),
# self._model.getResultStateSymbolicVariable(): self._model.getResultStates(),
# self._model.getRewardSymbolicVariable(): self._model.getRewards(),
# self._model.getActionSymbolicVariable(): self._model.getActions(),
# self._NotFallen: self._NotFallen_shared,
# self._advantage: self._advantage_shared,
# self._KL_Weight: self._kl_weight_shared
}
"""
self._get_grad = theano.function([], outputs=T.grad(cost=None, wrt=[self._model._actionInputVar] + self._params,
known_grads={self._forward: self._fd_grad_target_shared}),
allow_input_downcast=True,
givens= {
self._model.getStateSymbolicVariable() : self._model.getStates(),
# self._model.getResultStateSymbolicVariable() : self._model.getResultStates(),
self._model.getActionSymbolicVariable(): self._model.getActions(),
# self._fd_grad_target : self._fd_grad_target_shared
})
"""
MBPG.compile(self)
def __init__(self, model, n_in, n_out, state_bounds, action_bounds,
reward_bound, settings_):
super(A_CACLA, self).__init__(model, n_in, n_out, state_bounds,
action_bounds, reward_bound, settings_)
# create a small convolutional neural network
self._actor_buffer_states = []
self._actor_buffer_result_states = []
self._actor_buffer_actions = []
self._actor_buffer_rewards = []
self._actor_buffer_falls = []
self._actor_buffer_diff = []
self._NotFallen = T.bcol("Not_Fallen")
## because float64 <= float32 * int32, need to use int16 or int8
self._NotFallen.tag.test_value = np.zeros((self._batch_size, 1),
dtype=np.dtype('int8'))
self._NotFallen_shared = theano.shared(np.zeros((self._batch_size, 1),
dtype='int8'),
broadcastable=(False, True))
self._tmp_diff = T.col("Tmp_Diff")
self._tmp_diff.tag.test_value = np.zeros(
(self._batch_size, 1),
dtype=np.dtype(self.getSettings()['float_type']))
self._tmp_diff_shared = theano.shared(np.zeros(
(self._batch_size, 1), dtype=self.getSettings()['float_type']),
broadcastable=(False, True))
self._dyna_target = T.col("DYNA_Target")
self._dyna_target.tag.test_value = np.zeros(
(self._batch_size, 1),
dtype=np.dtype(self.getSettings()['float_type']))
self._dyna_target_shared = theano.shared(np.zeros(
(self._batch_size, 1), dtype=self.getSettings()['float_type']),
broadcastable=(False, True))
self._KL_Weight = T.scalar("KL_Weight")
self._KL_Weight.tag.test_value = np.zeros(
(1), dtype=np.dtype(self.getSettings()['float_type']))[0]
self._kl_weight_shared = theano.shared(
np.ones((1), dtype=self.getSettings()['float_type'])[0])
self._kl_weight_shared.set_value(1.0)
"""
self._target_shared = theano.shared(
np.zeros((self._batch_size, 1), dtype='float64'),
broadcastable=(False, True))
"""
self._critic_regularization_weight = self.getSettings(
)["critic_regularization_weight"]
self._critic_learning_rate = self.getSettings()["critic_learning_rate"]
## Target network
self._modelTarget = copy.deepcopy(model)
self._q_valsA = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._q_valsA_drop = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_valsNextState = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getResultStateSymbolicVariable(),
deterministic=True)
self._q_valsTargetNextState = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getResultStateSymbolicVariable(),
deterministic=True)
self._q_valsTarget = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._q_valsTarget_drop = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_valsActA = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._q_valsActTarget = lasagne.layers.get_output(
self._modelTarget.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._q_valsActA_drop = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_func = self._q_valsA
self._q_funcTarget = self._q_valsTarget
self._q_func_drop = self._q_valsA_drop
self._q_funcTarget_drop = self._q_valsTarget_drop
self._q_funcAct = self._q_valsActA
self._q_funcAct_drop = self._q_valsActA_drop
# self._target = (self._model.getRewardSymbolicVariable() + (np.array([self._discount_factor] ,dtype=np.dtype(self.getSettings()['float_type']))[0] * self._q_valsTargetNextState )) * self._NotFallen
# self._target = self._model.getRewardSymbolicVariable() + ((self._discount_factor * self._q_valsTargetNextState ) * self._NotFallen) + (self._NotFallen - 1)
self._target = self._model.getRewardSymbolicVariable() + (
self._discount_factor * self._q_valsTargetNextState)
self._diff = self._target - self._q_func
self._diff_drop = self._target - self._q_func_drop
# loss = 0.5 * self._diff ** 2
loss = T.pow(self._diff, 2)
self._loss = T.mean(loss)
self._loss_drop = T.mean(0.5 * self._diff_drop**2)
self._params = lasagne.layers.helper.get_all_params(
self._model.getCriticNetwork())
self._actionParams = lasagne.layers.helper.get_all_params(
self._model.getActorNetwork())
self._givens_ = {
self._model.getStateSymbolicVariable():
self._model.getStates(),
self._model.getResultStateSymbolicVariable():
self._model.getResultStates(),
self._model.getRewardSymbolicVariable():
self._model.getRewards(),
# self._NotFallen: self._NotFallen_shared
# self._model.getActionSymbolicVariable(): self._actions_shared,
}
self._actGivens = {
self._model.getStateSymbolicVariable():
self._model.getStates(),
# self._model.getResultStateSymbolicVariable(): self._model.getResultStates(),
# self._model.getRewardSymbolicVariable(): self._model.getRewards(),
self._model.getActionSymbolicVariable():
self._model.getActions(),
# self._NotFallen: self._NotFallen_shared
self._tmp_diff:
self._tmp_diff_shared
}
self._critic_regularization = (
self._critic_regularization_weight *
lasagne.regularization.regularize_network_params(
self._model.getCriticNetwork(), lasagne.regularization.l2))
self._actor_regularization = (
(self._regularization_weight *
lasagne.regularization.regularize_network_params(
self._model.getActorNetwork(), lasagne.regularization.l2)))
if (self.getSettings()['use_previous_value_regularization']):
self._actor_regularization = self._actor_regularization + (
(self.getSettings()['previous_value_regularization_weight']) *
change_penalty(self._model.getActorNetwork(),
self._modelTarget.getActorNetwork()))
elif ('regularization_type' in self.getSettings() and
(self.getSettings()['regularization_type'] == 'KL_Divergence')):
self._kl_firstfixed = T.mean(
kl(
self._q_valsActTarget,
T.ones_like(self._q_valsActTarget) *
self.getSettings()['exploration_rate'], self._q_valsActA,
T.ones_like(self._q_valsActA) *
self.getSettings()['exploration_rate'],
self._action_length))
#self._actor_regularization = (( self._KL_Weight ) * self._kl_firstfixed ) + (10*(self._kl_firstfixed>self.getSettings()['kl_divergence_threshold'])*
# T.square(self._kl_firstfixed-self.getSettings()['kl_divergence_threshold']))
self._actor_regularization = (self._kl_firstfixed) * (
self.getSettings()['kl_divergence_threshold'])
print("Using regularization type : ",
self.getSettings()['regularization_type'])
# SGD update
# self._updates_ = lasagne.updates.rmsprop(self._loss, self._params, self._learning_rate, self._rho,
# self._rms_epsilon)
self._value_grad = T.grad(self._loss + self._critic_regularization,
self._params)
## Clipping the max gradient
"""
for x in range(len(self._value_grad)):
self._value_grad[x] = T.clip(self._value_grad[x] , -0.1, 0.1)
"""
if (self.getSettings()['optimizer'] == 'rmsprop'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.rmsprop(self._value_grad,
self._params,
self._learning_rate,
self._rho,
self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.momentum(
self._value_grad,
self._params,
self._critic_learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.adam(self._value_grad,
self._params,
self._critic_learning_rate,
beta1=0.9,
beta2=0.9,
epsilon=self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'adagrad'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.adagrad(
self._value_grad,
self._params,
self._critic_learning_rate,
epsilon=self._rms_epsilon)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
sys.exit(-1)
## TD update
"""
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._updates_ = lasagne.updates.rmsprop(T.mean(self._q_func) + self._critic_regularization, self._params,
self._critic_learning_rate * -T.mean(self._diff), self._rho, self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._updates_ = lasagne.updates.momentum(T.mean(self._q_func) + self._critic_regularization, self._params,
self._critic_learning_rate * -T.mean(self._diff), momentum=self._rho)
elif ( self.getSettings()['optimizer'] == 'adam'):
self._updates_ = lasagne.updates.adam(T.mean(self._q_func), self._params,
self._critic_learning_rate * -T.mean(self._diff), beta1=0.9, beta2=0.999, epsilon=1e-08)
else:
print ("Unknown optimization method: ", self.getSettings()['optimizer'])
sys.exit(-1)
"""
## Need to perform an element wise operation or replicate _diff for this to work properly.
# self._actDiff = theano.tensor.elemwise.Elemwise(theano.scalar.mul)((self._model.getActionSymbolicVariable() - self._q_valsActA), theano.tensor.tile((self._diff * (1.0/(1.0-self._discount_factor))), self._action_length)) # Target network does not work well here?
self._actDiff = (self._model.getActionSymbolicVariable() -
self._q_valsActA_drop)
# self._actDiff = ((self._model.getActionSymbolicVariable() - self._q_valsActA)) # Target network does not work well here?
# self._actDiff_drop = ((self._model.getActionSymbolicVariable() - self._q_valsActA_drop)) # Target network does not work well here?
## This should be a single column vector
# self._actLoss_ = theano.tensor.elemwise.Elemwise(theano.scalar.mul)(( T.transpose(T.sum(T.pow(self._actDiff, 2),axis=1) )), (self._diff * (1.0/(1.0-self._discount_factor))))
# self._actLoss_ = theano.tensor.elemwise.Elemwise(theano.scalar.mul)(( T.reshape(T.sum(T.pow(self._actDiff, 2),axis=1), (self._batch_size, 1) )),
# (self._tmp_diff * (1.0/(1.0-self._discount_factor)))
# self._actLoss_ = (T.mean(T.pow(self._actDiff, 2),axis=1))
self._actLoss_ = theano.tensor.elemwise.Elemwise(theano.scalar.mul)(
(T.mean(T.pow(self._actDiff, 2), axis=1)),
(self._tmp_diff * (1.0 / (1.0 - self._discount_factor))))
# self._actLoss = T.sum(self._actLoss)/float(self._batch_size)
self._actLoss = T.mean(self._actLoss_)
# self._actLoss_drop = (T.sum(0.5 * self._actDiff_drop ** 2)/float(self._batch_size)) # because the number of rows can shrink
# self._actLoss_drop = (T.mean(0.5 * self._actDiff_drop ** 2))
self._policy_grad = T.grad(self._actLoss + self._actor_regularization,
self._actionParams)
## Clipping the max gradient
"""
for x in range(len(self._policy_grad)):
self._policy_grad[x] = T.clip(self._policy_grad[x] , -0.5, 0.5)
"""
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._actionUpdates = lasagne.updates.rmsprop(
self._policy_grad, self._actionParams, self._learning_rate,
self._rho, self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._actionUpdates = lasagne.updates.momentum(self._policy_grad,
self._actionParams,
self._learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
self._actionUpdates = lasagne.updates.adam(
self._policy_grad,
self._actionParams,
self._learning_rate,
beta1=0.9,
beta2=0.999,
epsilon=self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'adagrad'):
self._actionUpdates = lasagne.updates.adagrad(
self._policy_grad,
self._actionParams,
self._learning_rate,
epsilon=self._rms_epsilon)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
# actionUpdates = lasagne.updates.rmsprop(T.mean(self._q_funcAct_drop) +
# (self._regularization_weight * lasagne.regularization.regularize_network_params(
# self._model.getActorNetwork(), lasagne.regularization.l2)), actionParams,
# self._learning_rate * 0.5 * (-T.sum(actDiff_drop)/float(self._batch_size)), self._rho, self._rms_epsilon)
self._givens_grad = {
self._model.getStateSymbolicVariable(): self._model.getStates(),
# self._model.getResultStateSymbolicVariable(): self._model.getResultStates(),
# self._model.getRewardSymbolicVariable(): self._model.getRewards(),
# self._model.getActionSymbolicVariable(): self._model.getActions(),
}
### Noisey state updates
# self._target = (self._model.getRewardSymbolicVariable() + (np.array([self._discount_factor] ,dtype=np.dtype(self.getSettings()['float_type']))[0] * self._q_valsTargetNextState )) * self._NotFallen
# self._target_dyna = theano.gradient.disconnected_grad(self._q_func)
### _q_valsA because the predicted state is stored in self._model.getStateSymbolicVariable()
self._diff_dyna = self._dyna_target - self._q_valsNextState
# loss = 0.5 * self._diff ** 2
loss = T.pow(self._diff_dyna, 2)
self._loss_dyna = T.mean(loss)
self._dyna_grad = T.grad(self._loss_dyna + self._critic_regularization,
self._params)
self._givens_dyna = {
# self._model.getStateSymbolicVariable(): self._model.getStates(),
self._model.getResultStateSymbolicVariable():
self._model.getResultStates(),
# self._model.getRewardSymbolicVariable(): self._model.getRewards(),
# self._NotFallen: self._NotFallen_shared
# self._model.getActionSymbolicVariable(): self._actions_shared,
self._dyna_target:
self._dyna_target_shared
}
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._DYNAUpdates = lasagne.updates.rmsprop(
self._dyna_grad, self._params, self._learning_rate, self._rho,
self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._DYNAUpdates = lasagne.updates.momentum(self._dyna_grad,
self._params,
self._learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
self._DYNAUpdates = lasagne.updates.adam(self._dyna_grad,
self._params,
self._learning_rate,
beta1=0.9,
beta2=0.999,
epsilon=self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'adagrad'):
self._DYNAUpdates = lasagne.updates.adagrad(
self._dyna_grad,
self._params,
self._learning_rate,
epsilon=self._rms_epsilon)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
## Bellman error
self._bellman = self._target - self._q_funcTarget
# self._target = self._model.getRewardSymbolicVariable() + (self._discount_factor * self._q_valsTargetNextState )
### Give v(s') the next state and v(s) (target) the current state
self._diff_adv = (self._discount_factor *
self._q_func) - (self._q_valsTargetNextState)
self._diff_adv_givens = {
self._model.getStateSymbolicVariable():
self._model.getResultStates(),
self._model.getResultStateSymbolicVariable():
self._model.getStates(),
}
A_CACLA.compile(self)
def __init__(self, model, n_in, n_out, state_bounds, action_bounds,
reward_bound, settings_):
super(PPOCritic2,
self).__init__(model, n_in, n_out, state_bounds, action_bounds,
reward_bound, settings_)
# create a small convolutional neural network
self._Fallen = T.bcol("Fallen")
## because float64 <= float32 * int32, need to use int16 or int8
self._Fallen.tag.test_value = np.zeros((self._batch_size, 1),
dtype=np.dtype('int8'))
self._fallen_shared = theano.shared(np.zeros((self._batch_size, 1),
dtype='int8'),
broadcastable=(False, True))
self._advantage = T.col("Advantage")
self._advantage.tag.test_value = np.zeros(
(self._batch_size, 1),
dtype=np.dtype(self.getSettings()['float_type']))
self._advantage_shared = theano.shared(np.zeros(
(self._batch_size, 1), dtype=self.getSettings()['float_type']),
broadcastable=(False, True))
self._KL_Weight = T.scalar("KL_Weight")
self._KL_Weight.tag.test_value = np.zeros(
(1), dtype=np.dtype(self.getSettings()['float_type']))[0]
self._kl_weight_shared = theano.shared(
np.ones((1), dtype=self.getSettings()['float_type'])[0])
self._kl_weight_shared.set_value(
self.getSettings()['previous_value_regularization_weight'])
"""
self._target_shared = theano.shared(
np.zeros((self._batch_size, 1), dtype='float64'),
broadcastable=(False, True))
"""
self._critic_regularization_weight = self.getSettings(
)["critic_regularization_weight"]
self._critic_learning_rate = self.getSettings()["critic_learning_rate"]
# primary network
self._model = model
# Target network
self._modelTarget = copy.deepcopy(model)
self._q_valsA = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._q_valsA_drop = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_valsTargetNextState = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getResultStateSymbolicVariable(),
deterministic=True)
self._q_valsTarget = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._q_valsTarget_drop = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_valsActA = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)[:, :self._action_length]
self._q_valsActASTD = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)[:, self._action_length:]
## prevent value from being 0
self._q_valsActASTD = (self._q_valsActASTD *
self.getSettings()['exploration_rate']) + 5e-2
self._q_valsActTarget = lasagne.layers.get_output(
self._modelTarget.getActorNetwork(),
self._model.getStateSymbolicVariable())[:, :self._action_length]
self._q_valsActTargetSTD = lasagne.layers.get_output(
self._modelTarget.getActorNetwork(),
self._model.getStateSymbolicVariable())[:, self._action_length:]
self._q_valsActTargetSTD = (
self._q_valsActTargetSTD *
self.getSettings()['exploration_rate']) + 5e-2
self._q_valsActA_drop = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_func = self._q_valsA
self._q_funcTarget = self._q_valsTarget
self._q_func_drop = self._q_valsA_drop
self._q_funcTarget_drop = self._q_valsTarget_drop
self._q_funcAct = self._q_valsActA
self._q_funcAct_drop = self._q_valsActA_drop
# self._target = (self._model.getRewardSymbolicVariable() + (np.array([self._discount_factor] ,dtype=np.dtype(self.getSettings()['float_type']))[0] * self._q_valsTargetNextState )) * self._Fallen
self._target = T.mul(
T.add(self._model.getRewardSymbolicVariable(),
T.mul(self._discount_factor, self._q_valsTargetNextState)),
self._Fallen)
self._diff = self._target - self._q_func
self._diff_drop = self._target - self._q_func_drop
# loss = 0.5 * self._diff ** 2
loss = T.pow(self._diff, 2)
self._loss = T.mean(loss)
self._loss_drop = T.mean(0.5 * self._diff_drop**2)
self._params = lasagne.layers.helper.get_all_params(
self._model.getCriticNetwork())
self._actionParams = lasagne.layers.helper.get_all_params(
self._model.getActorNetwork())
self._givens_ = {
self._model.getStateSymbolicVariable():
self._model.getStates(),
self._model.getResultStateSymbolicVariable():
self._model.getResultStates(),
self._model.getRewardSymbolicVariable():
self._model.getRewards(),
self._Fallen:
self._fallen_shared
# self._model.getActionSymbolicVariable(): self._actions_shared,
}
self._actGivens = {
self._model.getStateSymbolicVariable():
self._model.getStates(),
self._model.getResultStateSymbolicVariable():
self._model.getResultStates(),
self._model.getRewardSymbolicVariable():
self._model.getRewards(),
self._model.getActionSymbolicVariable():
self._model.getActions(),
self._Fallen:
self._fallen_shared,
# self._advantage: self._advantage_shared,
self._KL_Weight:
self._kl_weight_shared
}
self._critic_regularization = (
self._critic_regularization_weight *
lasagne.regularization.regularize_network_params(
self._model.getCriticNetwork(), lasagne.regularization.l2))
# self._actor_regularization = ( (self._regularization_weight * lasagne.regularization.regularize_network_params(
# self._model.getActorNetwork(), lasagne.regularization.l2)) )
self._kl_firstfixed = T.mean(
kl(self._q_valsActTarget, self._q_valsActTargetSTD,
self._q_valsActA, self._q_valsActASTD, self._action_length))
# self._actor_regularization = (( self.getSettings()['previous_value_regularization_weight']) * self._kl_firstfixed )
self._actor_regularization = (
(self._KL_Weight) * self._kl_firstfixed) + (
10 * (self._kl_firstfixed >
self.getSettings()['kl_divergence_threshold']) *
T.square(self._kl_firstfixed -
self.getSettings()['kl_divergence_threshold']))
# SGD update
# self._updates_ = lasagne.updates.rmsprop(self._loss, self._params, self._learning_rate, self._rho,
# self._rms_epsilon)
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._updates_ = lasagne.updates.rmsprop(
self._loss # + self._critic_regularization
,
self._params,
self._learning_rate,
self._rho,
self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._updates_ = lasagne.updates.momentum(
self._loss # + self._critic_regularization
,
self._params,
self._critic_learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
self._updates_ = lasagne.updates.adam(
self._loss # + self._critic_regularization
,
self._params,
self._critic_learning_rate,
beta1=0.9,
beta2=0.999,
epsilon=1e-08)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
sys.exit(-1)
## TD update
"""
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._updates_ = lasagne.updates.rmsprop(T.mean(self._q_func) + self._critic_regularization, self._params,
self._critic_learning_rate * -T.mean(self._diff), self._rho, self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._updates_ = lasagne.updates.momentum(T.mean(self._q_func) + self._critic_regularization, self._params,
self._critic_learning_rate * -T.mean(self._diff), momentum=self._rho)
elif ( self.getSettings()['optimizer'] == 'adam'):
self._updates_ = lasagne.updates.adam(T.mean(self._q_func), self._params,
self._critic_learning_rate * -T.mean(self._diff), beta1=0.9, beta2=0.999, epsilon=1e-08)
else:
print ("Unknown optimization method: ", self.getSettings()['optimizer'])
sys.exit(-1)
"""
## Need to perform an element wise operation or replicate _diff for this to work properly.
# self._actDiff = theano.tensor.elemwise.Elemwise(theano.scalar.mul)((self._model.getActionSymbolicVariable() - self._q_valsActA),
# theano.tensor.tile((self._advantage * (1.0/(1.0-self._discount_factor))), self._action_length)) # Target network does not work well here?
## advantage = Q(a,s) - V(s) = (r + gamma*V(s')) - V(s)
# self._advantage = (((self._model.getRewardSymbolicVariable() + (self._discount_factor * self._q_valsTargetNextState)) * self._Fallen)) - self._q_func
self._Advantage = self._diff * (1.0 / (1.0 - self._discount_factor)
) ## scale back to same as rewards
self._log_prob = loglikelihood(self._model.getActionSymbolicVariable(),
self._q_valsActA, self._q_valsActASTD,
self._action_length)
self._log_prob_target = loglikelihood(
self._model.getActionSymbolicVariable(), self._q_valsActTarget,
self._q_valsActTargetSTD, self._action_length)
# self._prob = likelihood(self._model.getActionSymbolicVariable(), self._q_valsActA, self._q_valsActASTD, self._action_length)
# self._prob_target = likelihood(self._model.getActionSymbolicVariable(), self._q_valsActTarget, self._q_valsActTargetSTD, self._action_length)
# self._actLoss_ = ( (T.exp(self._log_prob - self._log_prob_target).dot(self._Advantage)) )
# self._actLoss_ = ( (T.exp(self._log_prob - self._log_prob_target) * (self._Advantage)) )
# self._actLoss_ = ( ((self._log_prob) * self._Advantage) )
# self._actLoss_ = ( ((self._log_prob)) )
## This does the sum already
# self._actLoss_ = ( (self._log_prob).dot( self._Advantage) )
# self._actLoss_ = theano.tensor.elemwise.Elemwise(theano.scalar.mul)((self._prob / self._prob_target), self._Advantage)
self._actLoss_ = theano.tensor.elemwise.Elemwise(theano.scalar.mul)(
T.exp(self._log_prob - self._log_prob_target), self._Advantage)
# self._actLoss_ = theano.tensor.elemwise.Elemwise(theano.scalar.mul)((self._log_prob), self._Advantage)
# self._actLoss_ = T.mean(self._log_prob)
# self._policy_entropy = 0.5 * T.mean(T.log(2 * np.pi * self._q_valsActASTD ) + 1 )
## - because update computes gradient DESCENT updates
# self._actLoss = -1.0 * ((T.mean(self._actLoss_)) + (self._actor_regularization ))
# self._entropy = -1. * T.sum(T.log(self._q_valsActA + 1e-8) * self._q_valsActA, axis=1, keepdims=True)
## - because update computes gradient DESCENT updates
self._actLoss = (-1.0 * T.mean(self._actLoss_)) + (
1.0 * self._actor_regularization) + (-1e-3 *
entropy(self._q_valsActASTD))
# self._actLoss_drop = (T.sum(0.5 * self._actDiff_drop ** 2)/float(self._batch_size)) # because the number of rows can shrink
# self._actLoss_drop = (T.mean(0.5 * self._actDiff_drop ** 2))
self._policy_grad = T.grad(self._actLoss, self._actionParams)
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._actionUpdates = lasagne.updates.rmsprop(
self._policy_grad, self._actionParams, self._learning_rate,
self._rho, self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._actionUpdates = lasagne.updates.momentum(self._policy_grad,
self._actionParams,
self._learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
self._actionUpdates = lasagne.updates.adam(self._policy_grad,
self._actionParams,
self._learning_rate,
beta1=0.9,
beta2=0.999,
epsilon=1e-08)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
# actionUpdates = lasagne.updates.rmsprop(T.mean(self._q_funcAct_drop) +
# (self._regularization_weight * lasagne.regularization.regularize_network_params(
# self._model.getActorNetwork(), lasagne.regularization.l2)), actionParams,
# self._learning_rate * 0.5 * (-T.sum(actDiff_drop)/float(self._batch_size)), self._rho, self._rms_epsilon)
self._givens_grad = {
self._model.getStateSymbolicVariable(): self._model.getStates(),
# self._model.getResultStateSymbolicVariable(): self._model.getResultStates(),
# self._model.getRewardSymbolicVariable(): self._model.getRewards(),
# self._model.getActionSymbolicVariable(): self._actions_shared,
}
## Bellman error
self._bellman = self._target - self._q_funcTarget
PPOCritic2.compile(self)
def __init__(self, model, n_in, n_out, state_bounds, action_bounds,
reward_bound, settings_):
super(TRPO, self).__init__(model, n_in, n_out, state_bounds,
action_bounds, reward_bound, settings_)
# create a small convolutional neural network
# self._Fallen = T.bcol("Fallen")
## because float64 <= float32 * int32, need to use int16 or int8
# self._Fallen.tag.test_value = np.zeros((self._batch_size,1),dtype=np.dtype('int8'))
# self._fallen_shared = theano.shared(
# np.zeros((self._batch_size, 1), dtype='int8'),
# broadcastable=(False, True))
self._advantage = T.col("Advantage")
self._advantage.tag.test_value = np.zeros(
(self._batch_size, 1),
dtype=np.dtype(self.getSettings()['float_type']))
self._advantage_shared = theano.shared(np.zeros(
(self._batch_size, 1), dtype=self.getSettings()['float_type']),
broadcastable=(False, True))
self._KL_Weight = T.scalar("KL_Weight")
self._KL_Weight.tag.test_value = np.zeros(
(1), dtype=np.dtype(self.getSettings()['float_type']))[0]
self._kl_weight_shared = theano.shared(
np.ones((1), dtype=self.getSettings()['float_type'])[0])
self._kl_weight_shared.set_value(
self.getSettings()['previous_value_regularization_weight'])
"""
self._target_shared = theano.shared(
np.zeros((self._batch_size, 1), dtype='float64'),
broadcastable=(False, True))
"""
self._critic_regularization_weight = self.getSettings(
)["critic_regularization_weight"]
self._critic_learning_rate = self.getSettings()["critic_learning_rate"]
# primary network
self._model = model
# Target network
self._modelTarget = copy.deepcopy(model)
self._q_valsA = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._q_valsA_drop = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_valsNextState = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getResultStateSymbolicVariable(),
deterministic=True)
self._q_valsTargetNextState = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getResultStateSymbolicVariable(),
deterministic=True)
self._q_valsTarget = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._q_valsTarget_drop = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_valsActA = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)[:, :self._action_length]
# self._q_valsActA = scale_action(self._q_valsActA, self._action_bounds)
self._q_valsActASTD = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)[:, self._action_length:]
## prevent value from being 0
if ('use_fixed_std' in self.getSettings()
and (self.getSettings()['use_fixed_std'])):
self._q_valsActASTD = (T.ones_like(
self._q_valsActA)) * self.getSettings()['exploration_rate']
# self._q_valsActASTD = ( T.ones_like(self._q_valsActA)) * self.getSettings()['exploration_rate']
else:
self._q_valsActASTD = (
(self._q_valsActASTD) *
self.getSettings()['exploration_rate']) + 2e-2
self._q_valsActTarget = lasagne.layers.get_output(
self._modelTarget.getActorNetwork(),
self._model.getStateSymbolicVariable())[:, :self._action_length]
# self._q_valsActTarget = scale_action(self._q_valsActTarget, self._action_bounds)
self._q_valsActTargetSTD = lasagne.layers.get_output(
self._modelTarget.getActorNetwork(),
self._model.getStateSymbolicVariable())[:, self._action_length:]
if ('use_fixed_std' in self.getSettings()
and (self.getSettings()['use_fixed_std'])):
self._q_valsActTargetSTD = (T.ones_like(
self._q_valsActTarget)) * self.getSettings(
)['exploration_rate']
# self._q_valsActTargetSTD = (self._action_std_scaling * T.ones_like(self._q_valsActTarget)) * self.getSettings()['exploration_rate']
else:
self._q_valsActTargetSTD = (
(self._q_valsActTargetSTD) *
self.getSettings()['exploration_rate']) + 2e-2
self._q_valsActA_drop = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False)
self._q_func = self._q_valsA
self._q_funcTarget = self._q_valsTarget
self._q_func_drop = self._q_valsA_drop
self._q_funcTarget_drop = self._q_valsTarget_drop
self._q_funcAct = self._q_valsActA
self._q_funcAct_drop = self._q_valsActA_drop
# self._target = (self._model.getRewardSymbolicVariable() + (np.array([self._discount_factor] ,dtype=np.dtype(self.getSettings()['float_type']))[0] * self._q_valsTargetNextState )) * self._NotFallen
# self._target = T.mul(T.add(self._model.getRewardSymbolicVariable(), T.mul(self._discount_factor, self._q_valsTargetNextState )), self._NotFallen) + (self._NotFallen - 1)
self._target = self._model.getRewardSymbolicVariable() + (
self._discount_factor * self._q_valsTargetNextState)
self._diff = self._target - self._q_func
self._diff_drop = self._target - self._q_func_drop
# loss = 0.5 * self._diff ** 2
loss = T.pow(self._diff, 2)
self._loss = T.mean(loss)
self._loss_drop = T.mean(0.5 * self._diff_drop**2)
self._params = lasagne.layers.helper.get_all_params(
self._model.getCriticNetwork())
#if ( 'use_fixed_std' in self.getSettings() and ( self.getSettings()['use_fixed_std'])):
# self._actionParams = lasagne.layers.helper.get_all_params(self._model.getActorNetwork())
#else:
self._actionParams = lasagne.layers.helper.get_all_params(
self._model.getActorNetwork())
self._givens_ = {
self._model.getStateSymbolicVariable():
self._model.getStates(),
self._model.getResultStateSymbolicVariable():
self._model.getResultStates(),
self._model.getRewardSymbolicVariable():
self._model.getRewards(),
# self._NotFallen: self._NotFallen_shared
# self._model.getActionSymbolicVariable(): self._actions_shared,
}
self._actGivens = {
self._model.getStateSymbolicVariable():
self._model.getStates(),
# self._model.getResultStateSymbolicVariable(): self._model.getResultStates(),
# self._model.getRewardSymbolicVariable(): self._model.getRewards(),
self._model.getActionSymbolicVariable():
self._model.getActions(),
# self._Fallen: self._fallen_shared,
self._advantage:
self._advantage_shared,
# self._KL_Weight: self._kl_weight_shared
}
self._critic_regularization = (
self._critic_regularization_weight *
lasagne.regularization.regularize_network_params(
self._model.getCriticNetwork(), lasagne.regularization.l2))
# self._actor_regularization = ( (self._regularization_weight * lasagne.regularization.regularize_network_params(
# self._model.getActorNetwork(), lasagne.regularization.l2)) )
self._kl_firstfixed = kl(self._q_valsActTarget,
self._q_valsActTargetSTD, self._q_valsActA,
self._q_valsActASTD,
self._action_length).mean()
# self._actor_regularization = (( self.getSettings()['previous_value_regularization_weight']) * self._kl_firstfixed )
self._actor_regularization = (
(self._KL_Weight) * self._kl_firstfixed) + (
(self._kl_firstfixed >
self.getSettings()['kl_divergence_threshold']) *
T.square(self._kl_firstfixed -
self.getSettings()['kl_divergence_threshold']))
# SGD update
# self._updates_ = lasagne.updates.rmsprop(self._loss + (self._regularization_weight * lasagne.regularization.regularize_network_params(
# self._model.getCriticNetwork(), lasagne.regularization.l2)), self._params, self._learning_rate, self._rho,
# self._rms_epsilon)
# TD update
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._updates_ = lasagne.updates.rmsprop(
T.mean(self._q_func) + self._critic_regularization,
self._params, self._critic_learning_rate * -T.mean(self._diff),
self._rho, self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._updates_ = lasagne.updates.momentum(
T.mean(self._q_func) + self._critic_regularization,
self._params,
self._critic_learning_rate * -T.mean(self._diff),
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
self._updates_ = lasagne.updates.adam(
T.mean(self._q_func) + self._critic_regularization,
self._params,
self._critic_learning_rate * -T.mean(self._diff),
beta1=0.9,
beta2=0.999,
epsilon=1e-08)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
sys.exit(-1)
## Need to perform an element wise operation or replicate _diff for this to work properly.
# self._actDiff = theano.tensor.elemwise.Elemwise(theano.scalar.mul)((self._model.getActionSymbolicVariable() - self._q_valsActA),
# theano.tensor.tile((self._advantage * (1.0/(1.0-self._discount_factor))), self._action_length)) # Target network does not work well here?
## advantage = Q(a,s) - V(s) = (r + gamma*V(s')) - V(s)
# self._advantage = (((self._model.getRewardSymbolicVariable() + (self._discount_factor * self._q_valsTargetNextState)) * self._Fallen)) - self._q_func
self._Advantage = self._advantage # * (1.0/(1.0-self._discount_factor)) ## scale back to same as rewards
# self._Advantage = self._diff # * (1.0/(1.0-self._discount_factor)) ## scale back to same as rewards
self._log_prob = loglikelihood(self._model.getActionSymbolicVariable(),
self._q_valsActA, self._q_valsActASTD,
self._action_length)
self._log_prob_target = loglikelihood(
self._model.getActionSymbolicVariable(), self._q_valsActTarget,
self._q_valsActTargetSTD, self._action_length)
# self._actLoss_ = ( (T.exp(self._log_prob - self._log_prob_target).dot(self._Advantage)) )
# self._actLoss_ = ( (T.exp(self._log_prob - self._log_prob_target) * (self._Advantage)) )
# self._actLoss_ = ( ((self._log_prob) * self._Advantage) )
# self._actLoss_ = ( ((self._log_prob)) )
## This does the sum already
# self._actLoss_ = ( (self._log_prob).dot( self._Advantage) )
# self._actLoss_ = theano.tensor.elemwise.Elemwise(theano.scalar.mul)(T.exp(self._log_prob - self._log_prob_target), self._Advantage)
self._actLoss_ = theano.tensor.elemwise.Elemwise(theano.scalar.mul)(
T.exp(self._log_prob - self._log_prob_target), self._Advantage)
# self._actLoss_ = theano.tensor.elemwise.Elemwise(theano.scalar.mul)((self._log_prob), self._Advantage)
# self._actLoss_ = T.mean(self._log_prob)
# self._policy_entropy = 0.5 * T.mean(T.log(2 * np.pi * self._q_valsActASTD ) + 1 )
## - because update computes gradient DESCENT updates
# self._actLoss = -1.0 * ((T.mean(self._actLoss_)) + (self._actor_regularization ))
# self._entropy = -1. * T.sum(T.log(self._q_valsActA + 1e-8) * self._q_valsActA, axis=1, keepdims=True)
## - because update computes gradient DESCENT updates
self._actLoss = (-1.0 * T.mean(self._actLoss_))
# self._actLoss_drop = (T.sum(0.5 * self._actDiff_drop ** 2)/float(self._batch_size)) # because the number of rows can shrink
# self._actLoss_drop = (T.mean(0.5 * self._actDiff_drop ** 2))
self._policy_grad = T.grad(self._actLoss, self._actionParams)
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._actionUpdates = lasagne.updates.rmsprop(
self._policy_grad, self._actionParams, self._learning_rate,
self._rho, self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._actionUpdates = lasagne.updates.momentum(self._policy_grad,
self._actionParams,
self._learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
self._actionUpdates = lasagne.updates.adam(self._policy_grad,
self._actionParams,
self._learning_rate,
beta1=0.9,
beta2=0.999,
epsilon=1e-08)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
N = self._model.getStateSymbolicVariable().shape[0]
params = self._actionParams
surr = self._actLoss * (1.0 / N)
self.pg = flatgrad(surr, params)
prob_mean_fixed = theano.gradient.disconnected_grad(self._q_valsActA)
prob_std_fixed = theano.gradient.disconnected_grad(self._q_valsActASTD)
kl_firstfixed = kl(prob_mean_fixed, prob_std_fixed, self._q_valsActA,
self._q_valsActASTD, self._action_length).sum() / N
grads = T.grad(kl_firstfixed, params)
self.flat_tangent = T.vector(name="flat_tan")
shapes = [var.get_value(borrow=True).shape for var in params]
start = 0
tangents = []
for shape in shapes:
size = np.prod(shape)
tangents.append(
T.reshape(self.flat_tangent[start:start + size], shape))
start += size
self.gvp = T.add(
*[T.sum(g * tangent) for (g, tangent) in zipsame(grads, tangents)]) #pylint: disable=E1111
# Fisher-vector product
self.fvp = flatgrad(self.gvp, params)
self.ent = entropy(self._q_valsActASTD).mean()
self.kl = kl(self._q_valsActTarget, self._q_valsActTargetSTD,
self._q_valsActA, self._q_valsActASTD,
self._action_length).mean()
self.losses = [surr, self.kl, self.ent]
self.loss_names = ["surr", "kl", "ent"]
self.args = [
self._model.getStateSymbolicVariable(),
self._model.getActionSymbolicVariable(), self._advantage
# self._q_valsActTarget_
]
self.args_fvp = [
self._model.getStateSymbolicVariable(),
# self._model.getActionSymbolicVariable()
# self._advantage,
# self._q_valsActTarget_
]
# actionUpdates = lasagne.updates.rmsprop(T.mean(self._q_funcAct_drop) +
# (self._regularization_weight * lasagne.regularization.regularize_network_params(
# self._model.getActorNetwork(), lasagne.regularization.l2)), actionParams,
# self._learning_rate * 0.5 * (-T.sum(actDiff_drop)/float(self._batch_size)), self._rho, self._rms_epsilon)
self._givens_grad = {
self._model.getStateSymbolicVariable(): self._model.getStates(),
# self._model.getResultStateSymbolicVariable(): self._model.getResultStates(),
# self._model.getRewardSymbolicVariable(): self._model.getRewards(),
# self._model.getActionSymbolicVariable(): self._actions_shared,
}
## Bellman error
self._bellman = self._target - self._q_funcTarget
TRPO.compile(self)
def __init__(self, model, n_in, n_out, state_bounds, action_bounds,
reward_bound, settings_):
super(Distillation,
self).__init__(model, n_in, n_out, state_bounds, action_bounds,
reward_bound, settings_)
# create a small convolutional neural network
### Load expert policy files
self._expert_policies = []
file_name_ = ""
for i in range(len(self.getSettings()['expert_policy_files'])):
file_name = self.getSettings(
)['expert_policy_files'][i] + '/' + self.getSettings(
)['model_type'] + '/' + getAgentName() + '.pkl'
if (file_name_ == file_name):
## To help save memory when experts are the same
self._expert_policies.append(model_)
else:
print("Loading pre compiled network: ", file_name)
f = open(file_name, 'rb')
model_ = dill.load(f)
f.close()
self._expert_policies.append(
model_) # expert model, load the 2 expert models
file_name_ = file_name
self._actor_buffer_states = []
self._actor_buffer_result_states = []
self._actor_buffer_actions = []
self._actor_buffer_rewards = []
self._actor_buffer_falls = []
self._actor_buffer_diff = []
self._NotFallen = T.bcol("Not_Fallen")
## because float64 <= float32 * int32, need to use int16 or int8
self._NotFallen.tag.test_value = np.zeros((self._batch_size, 1),
dtype=np.dtype('int8'))
self._NotFallen_shared = theano.shared(np.zeros((self._batch_size, 1),
dtype='int8'),
broadcastable=(False, True))
self._tmp_diff = T.col("Tmp_Diff")
self._tmp_diff.tag.test_value = np.zeros(
(self._batch_size, 1),
dtype=np.dtype(self.getSettings()['float_type']))
self._tmp_diff_shared = theano.shared(
np.zeros((self._batch_size, 1),
dtype=self.getSettings()['float_type']),
broadcastable=(False, True)) #定义一个共享变量，初始值为为0
self._critic_regularization_weight = self.getSettings(
)["critic_regularization_weight"]
self._critic_learning_rate = self.getSettings()["critic_learning_rate"]
## Target network
self._modelTarget = copy.deepcopy(model) # target model 是要更新的模型
self._q_valsA = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True) #确定性原始模型的state值输出
self._q_valsA_drop = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False) #非确定的state值输出
self._q_valsNextState = lasagne.layers.get_output(
self._model.getCriticNetwork(),
self._model.getResultStateSymbolicVariable(),
deterministic=True) #下一步的state值
self._q_valsTargetNextState = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getResultStateSymbolicVariable(),
deterministic=True) #目标模型的下一步的state值
self._q_valsTarget = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True) #目标模型的state值
self._q_valsTarget_drop = lasagne.layers.get_output(
self._modelTarget.getCriticNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False) #目标模型的state
self._q_valsActA = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True)
self._q_valsActTarget = lasagne.layers.get_output(
self._modelTarget.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=True) #remove the random
self._q_valsActA_drop = lasagne.layers.get_output(
self._model.getActorNetwork(),
self._model.getStateSymbolicVariable(),
deterministic=False) #actor 值
self._q_func = self._q_valsA
self._q_funcTarget = self._q_valsTarget
self._q_func_drop = self._q_valsA_drop
self._q_funcTarget_drop = self._q_valsTarget_drop
self._q_funcAct = self._q_valsActA
self._q_funcAct_drop = self._q_valsActA_drop
self._target = self._model.getRewardSymbolicVariable() + (
self._discount_factor * self._q_valsTargetNextState)
# self._model.getRewardSymbolicVariable() 获取rewards的值getRewards() =self._rewards_shared 从0开始一直更新
self._diff = self._target - self._q_func
self._diff_drop = self._target - self._q_func_drop #更新的模型的reward减去原始模型的critic的输出值
loss = T.pow(self._diff, 2)
self._loss = T.mean(loss) # 两个模型的reward的差值
self._loss_drop = T.mean(0.5 * self._diff_drop**2)
self._params = lasagne.layers.helper.get_all_params(
self._model.getCriticNetwork())
self._actionParams = lasagne.layers.helper.get_all_params(
self._model.getActorNetwork())
self._givens_ = {
self._model.getStateSymbolicVariable():
self._model.getStates(),
self._model.getResultStateSymbolicVariable():
self._model.getResultStates(),
self._model.getRewardSymbolicVariable():
self._model.getRewards()
}
self._actGivens = {
self._model.getStateSymbolicVariable(): self._model.getStates(),
self._model.getActionSymbolicVariable(): self._model.getActions(),
self._tmp_diff: self._tmp_diff_shared
}
self._critic_regularization = (
self._critic_regularization_weight *
lasagne.regularization.regularize_network_params(
self._model.getCriticNetwork(), lasagne.regularization.l2))
self._actor_regularization = (
(self._regularization_weight *
lasagne.regularization.regularize_network_params(
self._model.getActorNetwork(), lasagne.regularization.l2)))
if (self.getSettings()['use_previous_value_regularization']):
self._actor_regularization = self._actor_regularization + (
(self.getSettings()['previous_value_regularization_weight']) *
change_penalty(self._model.getActorNetwork(),
self._modelTarget.getActorNetwork()))
elif ('regularization_type' in self.getSettings() and
(self.getSettings()['regularization_type'] == 'KL_Divergence')):
self._kl_firstfixed = T.mean(
kl(
self._q_valsActTarget,
T.ones_like(self._q_valsActTarget) *
self.getSettings()['exploration_rate'], self._q_valsActA,
T.ones_like(self._q_valsActA) *
self.getSettings()['exploration_rate'],
self._action_length))
self._actor_regularization = (self._kl_firstfixed) * (
self.getSettings()['kl_divergence_threshold'])
print("Using regularization type : ",
self.getSettings()['regularization_type'])
# SGD update
self._value_grad = T.grad(self._loss + self._critic_regularization,
self._params)
if (self.getSettings()['optimizer'] == 'rmsprop'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.rmsprop(self._value_grad,
self._params,
self._learning_rate,
self._rho,
self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.momentum(
self._value_grad,
self._params,
self._critic_learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.adam(self._value_grad,
self._params,
self._critic_learning_rate,
beta1=0.9,
beta2=0.9,
epsilon=self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'adagrad'):
print("Optimizing Value Function with ",
self.getSettings()['optimizer'], " method")
self._updates_ = lasagne.updates.adagrad(
self._value_grad,
self._params,
self._critic_learning_rate,
epsilon=self._rms_epsilon)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
sys.exit(-1)
## TD update
## Need to perform an element wise operation or replicate _diff for this to work properly.
self._actDiff = (self._model.getActionSymbolicVariable() -
self._q_valsActA_drop) # 更新模型的actor的输出减去原始模型的actor值
self._actLoss_ = theano.tensor.elemwise.Elemwise(theano.scalar.mul)(
(T.mean(T.pow(self._actDiff, 2), axis=1)), (self._tmp_diff))
self._actLoss = T.mean(self._actLoss_)
self._policy_grad = T.grad(self._actLoss + self._actor_regularization,
self._actionParams)
## Clipping the max gradient
if (self.getSettings()['optimizer'] == 'rmsprop'):
self._actionUpdates = lasagne.updates.rmsprop(
self._policy_grad, self._actionParams, self._learning_rate,
self._rho, self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'momentum'):
self._actionUpdates = lasagne.updates.momentum(self._policy_grad,
self._actionParams,
self._learning_rate,
momentum=self._rho)
elif (self.getSettings()['optimizer'] == 'adam'):
self._actionUpdates = lasagne.updates.adam(
self._policy_grad,
self._actionParams,
self._learning_rate,
beta1=0.9,
beta2=0.999,
epsilon=self._rms_epsilon)
elif (self.getSettings()['optimizer'] == 'adagrad'):
self._actionUpdates = lasagne.updates.adagrad(
self._policy_grad,
self._actionParams,
self._learning_rate,
epsilon=self._rms_epsilon)
else:
print("Unknown optimization method: ",
self.getSettings()['optimizer'])
self._givens_grad = {
self._model.getStateSymbolicVariable(): self._model.getStates()
}
## Bellman error
self._bellman = self._target - self._q_funcTarget
### Give v(s') the next state and v(s) (target) the current state
self._diff_adv = (self._discount_factor * self._q_func) - (
self._q_valsTargetNextState
) #\gamma*critic模型的输出-critic模型在下一个状态的输出值
self._diff_adv_givens = {
self._model.getStateSymbolicVariable():
self._model.getResultStates(),
self._model.getResultStateSymbolicVariable():
self._model.getStates(),
}
Distillation.compile(self)
