def generate_random_epochs(learntAgents=False,
save_front_json=False,
epochs=range(1)):
reshaping = True
cars_outs = []
rewards = []
rewards_mean = []
if learntAgents:
agents: List[SmartAgent] = get_LearnSmartAgents()
else:
agents: List[SmartAgent] = get_SmartAgents()
for agent in agents:
agent.memories = []
for e in epochs:
Globals().epsilon = 1
env: Env = epoch(agents,
u=Globals().get_u(Globals().vp.max_time_learn),
time=Globals().vp.max_time_learn)
for agent in env.agents:
agent.reshape_rewards()
if save_front_json:
exportData = ExportData(learningMethod='DQN',
learningEpochs=0,
nets=env.global_memories,
netName='politechnika',
densityName='random_now' +
str(Globals().greedy_run_no))
exportData.saveToJson()
env.remember_memory()
save_batches(agents)
return agents
def epoch_greedy(env):
Globals().time = 0
Globals().epsilon = 0
for t in range(max_time):
actions: List[ActionInt] = [agent.get_action(agent.local_state) for agent in env.agents]
env.step(actions)
return env
def full_batch(self, only_learn_usable=False):
x_batch = []
y_batch = []
i = 0
l_rate = Globals().learning_rate
gamma = Globals().vp().gamma
memories = self.memories if not only_learn_usable else [
mem for mem in self.memories if mem.learn_usable
]
for memory in memories:
state = memory.state.to_learn_array()
action = 2 if memory.action == 'orange' else memory.action
y_target = self.model.predict(state)
new_state_possible_actions_value_predictions = self.model.predict(
memory.new_state.to_learn_array())
if memory.action == 1 and memory.new_state.actual_phase == 'orange':
print('akcja 1, nastepnej akcji value',
new_state_possible_actions_value_predictions)
print('')
max_next_action_value = max(
new_state_possible_actions_value_predictions[0]
) if memory.state.starting_actual_phase != 'orange' else new_state_possible_actions_value_predictions[
0][-1]
target = (1 - l_rate) * y_target[0][action] + l_rate * (
memory.reward + gamma * max_next_action_value)
i += 1
y_target[0][action] = target
x_batch.append(state[0])
y_batch.append(y_target[0])
return x_batch, y_batch
def epoch_greedy(env) -> Env:
Globals().time = 0
actions_count_0 = [0, 0, 0, 0, 0]
actions_count_1 = [0, 0, 0, 0, 0]
actions_count_2 = [0, 0, 0, 0, 0]
actions_count_3 = [0, 0, 0, 0, 0]
for t in range(Globals().vp.max_time_greedy):
actions: List[ActionInt] = [
agent.get_action(state=agent.local_state, greedy=True)
for agent in env.agents
]
env.step(actions)
if actions[0] != yellow:
actions_count_0[int(actions[0])] += 1
else:
actions_count_0[-1] += 1
if actions[1] != yellow:
actions_count_1[int(actions[1])] += 1
else:
actions_count_1[-1] += 1
if actions[2] != yellow:
actions_count_2[int(actions[2])] += 1
else:
actions_count_2[-1] += 1
if actions[3] != yellow:
actions_count_3[int(actions[3])] += 1
else:
actions_count_3[-1] += 1
return env.u
print('akcje podjete',
[actions_count_0, actions_count_1, actions_count_2, actions_count_3])
def test_no_5_reshaping_pass_action_1_1_1_long_time_then_2_2_2_long_time_then_3_3_3(
self):
# TESTUJEMY: rewardy
max_time = 90
agents = get_SmartAgents()
Globals().time = 0
Globals().gamma = 0
env = Env(agents)
env.u = env_settings.u_all_2
for t in range(max_time):
# actions = [1, 1, 1] if t < 60 elif 60 == t [2, 2, 2]
actions = [1, 1, 1]
if t == 60 or 63 <= t < 70:
actions = [2, 2, 2]
if t == 61 or t == 62:
actions = [0, 0, 0]
if t == 70 or t >= 73:
actions = [3, 3, 3]
if t == 71 or t == 72:
actions = [0, 0, 0]
env.step(actions)
env.agents[0].save_batch()
env.agents[0].reshape_rewards()
self.assertAlmostEqual(env.agents[0].memories[60].reward, 23.3, 0)
self.assertAlmostEqual(env.agents[0].memories[61].reward, 37, 0)
self.assertAlmostEqual(env.agents[0].memories[62].reward, 39.1, 0)
env.update_global_memory_rewards()
exportData = ExportData(learningMethod='Monte Carlo TODO',
learningEpochs=0,
nets=env.global_memories,
netName='net4',
densityName='test_no_5')
exportData.saveToJson()
def run_learnt_greedy(saveJson=True):
Globals().cars_out_memory = []
model_file_names = [
'static_files/model-agent0.h5', 'static_files/model-agent1.h5',
'static_files/model-agent2.h5', 'static_files/model-agent3.h5'
]
agents = get_LearnSmartAgents(model_file_names)
env = Env(agents)
u = epoch_greedy(env)
rewards_sum, rewards_mean = count_rewards(env)
cars_out = env.cars_out
if saveJson:
exportData = ExportData(learningMethod='DQN',
learningEpochs=0,
nets=env.global_memories,
netName='env4',
densityName='learnt_' +
str(Globals().greedy_run_no))
exportData.saveToJson()
maximum_possible_cars_out = Globals().u_value * Globals(
).vp.max_time_greedy * 8
cars_out_percentage = round(100 * cars_out / maximum_possible_cars_out, 2)
print(
f'gready run {Globals().greedy_run_no} - rewards_mean:{round(rewards_mean, 2)} rewar'
f'ds_sum:{round(rewards_sum, 0)}. Do układu wjechało {round(sum(sum(u)), 0)} pojazdów.'
f' Wyjechało {round(cars_out, 0)}. Układ opuściło pr'
f'ocentowo pojazdów:{cars_out_percentage}')
Globals().greedy_run_no += 1
return rewards_mean, rewards_sum, cars_out, agents, sum(
sum(u)), cars_out_percentage
def test_no_2_pass_action_0_long_time_then_1(self):
# TESTUJEMY: zmiana faz
max_time = 90
agents = get_SmartAgents()
for agent in agents:
agent.yellow_phase_duration = 2
Globals().time = 0
env = Env(agents)
Globals().u_value = 2
env.u = Globals().get_u(max_time)
env.yellow_phase_duration = 2
for t in range(max_time):
actions = [0, 0, 0]
if t == 60 or t > 62:
actions = [1, 1, 1]
if t == 61 or t == 62:
actions = [yellow, yellow, yellow]
time = Globals().time # time = t
env.step(actions)
time = Globals().time # time = t + 1
if t in range(3, 60):
self.assertEqual([agent.actual_phase for agent in agents],
[0, 0, 0])
if t == 60 or t == 61:
self.assertEqual([agent.actual_phase for agent in agents],
[yellow, yellow, yellow])
if t >= 62:
self.assertEqual([agent.actual_phase for agent in agents],
[1, 1, 1])
exportData = ExportData(learningMethod='Nothing',
learningEpochs=0,
nets=env.global_memories,
netName='net14',
densityName='test_no_2')
exportData.saveToJson()
def run_learnt_greedy(saveJson=True):
model_file_names = [
'static_files/model-agent0.h5', 'static_files/model-agent1.h5',
'static_files/model-agent2.h5'
]
agents = get_LearnSmartAgents(model_file_names)
env = Env(agents)
epoch_greedy(env)
rewards_sum, rewards_mean = count_rewards(env)
cars_out = env.cars_out
if saveJson:
exportData = ExportData(learningMethod='DQN',
learningEpochs=0,
nets=env.global_memories,
netName='env3',
densityName='learnt_' +
str(Globals().greedy_run_no))
exportData.saveToJson()
maximum_possible_cars_out = Globals().u_value * Globals().vp(
).max_time_greedy * 3
print(
f'gready run {Globals().greedy_run_no} - rewards_mean:{round(rewards_mean, 2)} rewards_sum:{round(rewards_sum,0)} cars_out:{round(cars_out, 0)} układ opuściło procentowo pojazdów:{cars_out / maximum_possible_cars_out}'
)
Globals().greedy_run_no += 1
return rewards_mean, rewards_sum, cars_out, agents
def save_batch(self):
gamma = Globals().gamma
batch_size = Globals().batch_size
# minibatch = random.sample(self.memories, batch_size)
x_batch = []
y_batch = []
i = 0
for memory in self.memories:
if memory.action == 0:
continue
i += 1
state = memory.state.to_9_densities_learn_array()
new_state = memory.new_state.to_9_densities_learn_array()
y = self.model.predict(state)
future_actions_values_predictions = self.model.predict(new_state)
possible_actions = memory.state.possible_actions(
self.orange_phase_duration)
best_possible_future_action_value = np.amax([
future_actions_values_predictions[0][i]
for i in possible_actions
])
target_action = (
memory.reward +
gamma * # (target) = reward + (discount rate gamma) *
best_possible_future_action_value
) # (maximum target Q based on future action a')
# so this is the q value for action made in state leading to new_state
# counted basing on - reward and reward of future best action
y[0][memory.action] = target_action
x_batch.append(state[0])
y_batch.append(y[0])
if self.index == 0:
Globals().x_batch.append(state[0])
Globals().y_batch.append(y[0])
def plot_pred_memory(name=str(Globals().run_no)):
plt.plot([pred[0][0] for pred in Globals().pred_plot_memory], color='red', label='0')
plt.plot([pred[0][1] for pred in Globals().pred_plot_memory], color='green', label='1')
plt.legend()
plt.title('Nagrody przewidziane dla akcji podjętych podczas monitorowanego stanu')
plt.savefig('plot' + name + '.png')
plt.close()
def train(learntAgents=True, max_time_learn=20):
if not learntAgents:
agents = get_SmartAgents()
else:
agents = get_LearnSmartAgents()
models = [agent.model for agent in agents]
batches = get_batches()
start_time = timer()
x_batch = batches[0]['x_batch']
y_batch = batches[0]['y_batch']
model = models[0]
val_loss = 5000
escape_flag = False
while timer() - start_time < max_time_learn and not escape_flag:
res = model.fit(x_batch, y_batch, batch_size=100, epochs=1, verbose=0, validation_split=0.2)
if res.history['val_loss'][-1] > val_loss:
escape_flag = True
loss = res.history['val_loss'][-1]
print(f'wynik sieci: {loss} straty')
val_loss = 5000
else:
val_loss = res.history['val_loss'][-1]
x = [4, 20]
pred = model.predict(np.array([x]))
Globals().pred_plot_memory.append(pred)
model.save('static_files/model-agent' + str(0) + '.h5')
plt.plot([pred[0][0] for pred in Globals().pred_plot_memory], color='red', label='0')
plt.plot([pred[0][1] for pred in Globals().pred_plot_memory], color='green', label='1')
plt.legend()
plt.title('Nagrody przewidziane dla akcji podjętych \n podczas monitorowanego stanu [4, 20]')
plt.savefig('images_generated/state_predictions.png')
plt.close()
def save_batch(self):
gamma = Globals().gamma
batch_size = Globals().batch_size
# minibatch = random.sample(self.memories, batch_size)
x_batch = []
y_batch = []
i = 0
for memory in self.memories:
if memory.action == 'orange':
# if memory.action == 'orange' or memory.state.starting_actual_phase == 'orange':
continue
i += 1
print('i',i)
state = memory.state.to_9_densities_learn_array()
print('state', state)
print('memory',memory)
y = self.model.predict(state)
target_action = memory.reward
# target_action = (memory.reward + gamma * # (target) = reward + (discount rate gamma) *
# best_possible_future_action_value) # (maximum target Q based on future action a')
# so this is the q value for action made in state leading to new_state
# counted basing on - reward and reward of future best action
y[0][memory.action] = target_action
x_batch.append(state[0])
y_batch.append(y[0])
if self.index == 0:
Globals().x_batch.append(state[0])
Globals().y_batch.append(y[0])
def __attrs_post_init__(self):
Globals().time = 0
max_time = Globals().vp.max_time_greedy
self.u = Globals().get_u(max_time)
self.A = []
self.cars_out = 0
self.assign_local_states_to_agents()
def epoch_random(env) -> Env:
Globals().epsilon = 0
agents: List[SmartAgent] = get_SmartAgents()
for t in range(Globals().vp().max_time_learn):
actions: List[ActionInt] = [random.choice(agent.local_action_space) for agent in agents]
env.step(actions)
return Env
def test_no_5_reshaping_pass_action_0_1_0(self):
# TESTUJEMY: rewardy
max_time = 90
agents = get_SmartAgents()
Globals().time = 0
Globals().gamma = 0
env = Env(agents)
env.u = env_settings.u_all_9
for t in range(max_time):
# actions = [0,0,0] if t < 60 elif 60 == t [1,1,1]
actions = [0]
if t == 1 or t == 2:
actions = [orange]
if t == 60 or 63 <= t < 70:
actions = [1]
if t == 61 or t == 62:
actions = [orange]
if t == 70 or t >= 73:
actions = [0]
if t == 71 or t == 72:
actions = [orange]
env.step(actions)
env.agents[0].save_batch()
env.agents[0].reshape_rewards()
# self.assertAlmostEqual(env.agents[0].memories[60].reward, 2, 0)
# self.assertAlmostEqual(env.agents[0].memories[61].reward, 4, 0)
# self.assertAlmostEqual(env.agents[0].memories[62].reward, 6, 0)
# env.update_memory_rewards()
exportData = ExportData(learningMethod='Monte Carlo TODO',
learningEpochs=0,
nets=env.global_memories,
netName='net11',
densityName='test_no_6')
exportData.saveToJson()
def save_motions(self):
old_time = Globals().time - 1
new_time = Globals().time
self.last_flows = []
for agent in self.agents:
actual_moves = (
) if agent.actual_phase == 'orange' else agent.moves[
agent.actual_phase]
for move in actual_moves:
if move[0] == 404:
continue
A_cell = self.A[Globals().time - 1][move]
section_from_index = move[1]
previous_density = self.x[self.t - 1][section_from_index]
value = A_cell * previous_density
flow = {
'agent_index': agent.index,
'old_time': old_time,
'new_time': new_time,
'move': move,
'value': value
}
self.last_flows.append(flow)
for flow in self.last_flows:
self.flow_memories.append(flow)
def train(learntAgents=True, max_time_learn=20):
l_rate = 0.0001
layers = [15, 25, 20, 15]
optimizer = 'relu'
regularizers_ = [0.2, 0.2, 0.2]
print('train learntAgents', learntAgents)
agents = get_LearnSmartAgents()
# create_model(layers, optimizer, l_rate)
# for i in range(3)
models = [agent.model for agent in agents]
batches = get_batches()
# for i in range(len(models)):
for i in range(3):
start_time = timer()
x_batch = batches[i]['x_batch']
y_batch = batches[i]['y_batch']
model = models[i]
x2 = []
y2 = []
val_loss = 5000
escape_flag = False
while timer() - start_time < max_time_learn and not escape_flag:
res = model.fit(x_batch,
y_batch,
batch_size=100,
epochs=1,
verbose=0,
validation_split=0.2)
if res.history['val_loss'][-1] > val_loss:
escape_flag = True
print('wynik sieci', res.history['val_loss'][-1])
val_loss = 5000
else:
val_loss = res.history['val_loss'][-1]
# res = model.fit(np.array(x2), np.array(y2), batch_size=20, epochs=1, verbose=0)
if i == 0:
# x = [7, 10, 10] + [10, 10, 20] + [6, 5, 4] + [2]
x = [4, 4, 62] + [10, 10, 49] + [0, 10, 10] + [0]
pred = model.predict(np.array([x]))
Globals().pred_plot_memory.append(pred)
# model.evaluate(np.array(x2), np.array(y2))
model.save('static_files/model-agent' + str(i) + '.h5')
if i == 0:
plt.plot([pred[0][0] for pred in Globals().pred_plot_memory],
color='red',
label='0')
plt.plot([pred[0][1] for pred in Globals().pred_plot_memory],
color='green',
label='1')
plt.plot([pred[0][2] for pred in Globals().pred_plot_memory],
color='blue',
label='2')
plt.legend()
plt.title(
'Nagrody przewidziane dla akcji podjętych podczas monitorowanego stanu'
)
plt.savefig('foo' + str(Globals().run_no) + '.png')
plt.close()
def remember(self, densities, reward):
state = self.local_state
action = self.action
self.assign_local_state(densities)
new_state = self.local_state
times = {'old': Globals().time - 1, 'new': Globals().time}
memory = Memory(state=state, action=action, new_state=new_state, reward=reward, times=times)
self.memories.append(memory)
def __attrs_post_init__(self):
if self.model == 0:
l_rate = Globals().vp().nn_l_rate
layers = Globals().vp().layers
activation = 'relu'
self.model = self._build_model(layers=layers,
activation=activation,
l_rate=l_rate)
def epoch():
Globals().time = 0
env = Env(agents)
for t in range(max_time):
actions: List[ActionInt] = getActions(t)
# actions = best_actions[t] if len(best_actions)>=t else [0,0,0]
env.step(actions)
Globals().epochs_done += 1
return env
def epoch(agents):
Globals().time = 0
env = Env(agents)
for t in range(max_time):
actions: List[ActionInt] = [random.choice(agent.local_action_space) for agent in agents]
# actions = best_actions[t] if len(best_actions)>=t else [0,0,0]
env.step(actions)
Globals().epochs_done += 1
return env
def epoch(agents, u=env_settings.u_all_2):
Globals().time = 0
env = Env(agents)
env.u = u
for t in range(max_time):
actions: List[ActionInt] = [agent.get_action(agent.local_state) for agent in agents]
env.step(actions)
Globals().epochs_done += 1
return env
def epoch_random(agents, u=Globals().u):
Globals().time = 0
env = Env(agents)
env.u = u
for t in range(max_time):
actions: List[ActionInt] = [agent.get_action(state=agent.local_state,full_random=True) for agent in agents]
env.step(actions)
Globals().epochs_done += 1
return env
def __attrs_post_init__(self):
self.weights_history_callback = LambdaCallback(
on_epoch_end=self.add_weight_history)
if self.model == 0:
l_rate = Globals().vp().nn_l_rate
layers = Globals().vp().layers
activation = 'relu'
self.model = self._build_model(layers=layers,
activation=activation,
l_rate=l_rate)
def add_returns(self, G):
for i in range(len(G)):
if ((self.epoch_local_state_storage[i],
self.epoch_local_action_storage[i]) in self.returns.keys()):
self.returns[self.epoch_local_state_storage[i],
self.epoch_local_action_storage[i]].append(G[i])
Globals().state_repeats += 1
else:
Globals().new_states += 1
self.returns[self.epoch_local_state_storage[i],
self.epoch_local_action_storage[i]] = [G[i]]
def remember_global_memory(self):
times = Times(old_time=Globals().time - 1, new_time=Globals().time)
actions = [agent.action for agent in self.agents]
rewards = self.global_rewards[self.t - 1]
densities = self.x[self.t - 1]
lights = self.A[self.t-1]
net = Net(times=times, densities=densities,
rewards=rewards,
actions=actions,
lights=lights)
self.global_memories.append(net)
def save_batch(self):
x_batch = []
y_batch = []
for memory in self.memories:
if memory.action == 'orange':
continue
state = memory.state.to_learn_array()
y = memory.reward
x_batch.append(state[0])
y_batch.append(y)
if self.index == 0:
Globals().x_batch.append(state[0])
Globals().y_batch.append(y)
def epoch(agents, time, u=None):
if u is None:
u = Globals().get_u(time)
Globals().time = 0
env = Env(agents)
env.u = u
for t in range(time):
actions: List[ActionInt] = [agent.get_action(agent.local_state) for agent in agents]
if actions[0] != yellow:
Globals().actions_memory[int(actions[0])] += 1
env.step(actions)
Globals().epochs_learn_done += 1
return env
def get_action(self, state):
if state.to_learn_tuple_used()[-1] == 'orange' and Globals().time != 0:
return 'orange'
s = state.to_learn_tuple_used()
if random.random() < Globals().epsilon:
random_action = random.choice([0, 1])
return random_action
if s not in self.Pi:
self.Pi[s] = random.choice([0, 1])
# print(f'time {Globals().time} wylosowane a: {self.Pi[s]}')
# else:
# print(f'time {Globals().time} mamy a: {self.Pi[s]}')
return self.Pi[s]
def plot_pred_memory(no):
plt.plot([pred[0][0] for pred in Globals().pred_plot_memory],
color='red',
label='0')
plt.plot([pred[0][1] for pred in Globals().pred_plot_memory],
color='green',
label='1')
plt.legend()
plt.title(
'Nagrody przewidziane dla akcji podjętych podczas monitorowanego stanu'
)
plt.savefig('images_generated/rewards_' + no + '.png')
plt.close()