def main():
"""
This function will be called for training phase.
"""
# Sample code for illustration, add your code below to run in test phase.
# Load trained model from train/ directory
env = gym.make(MINERL_GYM_ENV)
if FRAME_SKIP > 0:
env = FrameSkip(env, enable_rendering=True)
env = ObsWrapper(env)
env = MoveAxisWrapper(env, -1, 0)
env = CombineActionWrapper(env)
agent = Agent(env.observation_space, env.action_space)
agent.load_model()
for _ in range(MINERL_MAX_EVALUATION_EPISODES):
obs = env.reset()
done = False
netr = 0
while not done:
action = agent.act(obs)
obs, reward, done, info = env.step(action)
netr += reward
env.render()
env.close()
def dqn(
agent: Agent,
env,
brain_name,
n_episodes: int = 10,
eps_start: float = 1.0,
eps_end: float = 0.01,
eps_decay: float = 0.995,
):
"""Deep Q-Learning.
Params
======
n_episodes (int): maximum number of training episodes
max_t (int): maximum number of timesteps per episode
eps_start (float): starting value of epsilon, for epsilon-greedy action selection
eps_end (float): minimum value of epsilon
eps_decay (float): multiplicative factor (per episode) for decreasing epsilon
"""
scores = [] # list containing scores from each episode
scores_window = deque(maxlen=100) # last 100 scores
eps = eps_start
for i_episode in range(1, n_episodes + 1):
env_info = env.reset(train_mode=True)[brain_name]
state = env_info.vector_observations[0]
score = 0
while True:
action = agent.act(state, eps)
env_info = env.step(action)[brain_name]
next_state = env_info.vector_observations[0]
reward = env_info.rewards[0]
done = env_info.local_done[0]
agent.step(state, action, reward, next_state, done)
state = next_state
score += reward
if done:
break
scores_window.append(score) # save most recent score
scores.append(score) # save most recent score
eps = max(eps_end, eps_decay * eps) # decrease epsilon
print(
f"\rEpisode {i_episode}\tAverage Score: {np.mean(scores_window):.2f}",
end="",
)
if i_episode % 100 == 0:
print(
f"\rEpisode {i_episode}\tAverage Score: {np.mean(scores_window):.2f}"
)
if np.mean(scores_window) >= 13.0:
print(
f"\nEnvironment solved in {i_episode-100:d} episodes!\tAverage Score:"
f" {np.mean(scores_window):.2f}")
torch.save(agent.qnetwork_local.state_dict(), "checkpoint.pth")
break
return scores
def ddpg(agent: Agent, env, brain_name, n_agents, n_episodes: int = 10):
scores_window = deque(maxlen=100)
scores_mean_agent = []
scores_mean = []
for i_episode in range(1, n_episodes + 1):
env_info = env.reset()[brain_name]
states = env_info.vector_observations
scores = np.zeros(n_agents)
while True:
actions = agent.act(states)
env_info = env.step(actions)[brain_name]
next_states = env_info.vector_observations # get the next state
rewards = env_info.rewards
dones = env_info.local_done
agent.step(states, actions, rewards, next_states, dones)
states = next_states
scores += rewards
if np.any(dones):
break
score = np.mean(scores)
scores_window.append(score)
scores_mean_agent.append(score)
scores_mean.append(np.mean(scores_window))
print(
f"\rEpisode {i_episode}\tAverage Score: {np.mean(scores_window):.2f}",
end="",
)
if i_episode % 100 == 0:
print(
f"\rEpisode {i_episode}\tAverage Score: {np.mean(scores_window):.2f}"
)
if np.mean(scores_window) >= 30.0:
print(
f"\nEnvironment solved in {i_episode-100:d} episodes!\tAverage Score:"
f" {np.mean(scores_window):.2f}")
torch.save(agent.qnetwork_local.state_dict(), "checkpoint.pth")
break
if np.mean(scores_window) >= 30.0:
print(
"\nEnvironment solved in {:d} episodes!\tAverage Score: {:.2f}"
.format(i_episode, np.mean(scores_window)))
torch.save(agent.policy_network_local.state_dict(),
"checkpoint_policy.pth")
torch.save(agent.qnetwork_local.state_dict(),
"checkpoint_qnetwork.pth")
print("saved networks")
break
return scores_mean_agent, scores_mean
def main():
window_size = 5
episode_count = 10
stock_name = "^GSPC_2011"
agent = Agent(window_size)
market = Market(window_size=window_size, stock_name=stock_name)
batch_size = 32
start_time = time.time()
for e in range(episode_count + 1):
print("Episodio" + str(e) + "/" + str(episode_count))
agent.reset()
state, price_data = market.reset() # ToDo: get the initial state
for t in range(market.last_data_index):
# obtener acción actual del agente
# llamar al método act() del agente considerando el estado actual
action, bought_price = agent.act(state, price_data)
# obtener siguiente estado del agente según el mercado
next_state, next_price_data, reward, done =\
market.get_next_state_reward(action, bought_price)
# añadir trasacción a la memoria
agent.memory.append((state, action, reward, next_state, done))
# aprender de la historia solo en el caso que haya memoria
if len(agent.memory) > batch_size:
agent.experience_replay(batch_size)
state = next_state
price_data = next_price_data
if done:
print("--------------------------------")
print("Ganancias totales: {0}".format(
agent.get_total_profit()))
print("--------------------------------")
if e % 10 == 0:
if not os.path.exists("models"):
os.mkdir("models")
agent.model.save("models/model_rl" + str(e))
end_time = time.time()
training_time = round(end_time - start_time)
print("Entrenamiento tomó {0} segundos.".format(training_time))
def test_act_tau_0(self):
config = {
'ALPHA': 0.8,
'CPUCT': 1,
'EPSILON': 0.2,
'ACTION_SIZE': 32 * 4 * 7,
'MCTS_SIMULATIONS': 3
}
action_encoder = ActionEncoder(DirectionResolver())
agent = Agent(model=None, action_encoder=action_encoder, state_encoder=StateEncoder(), name='player1', config=config)
game_root = Game()
root_node = Node(game_root)
child1 = Node(game_root.move(game_root.get_possible_moves()[0]))
edge1 = Edge(root_node, child1, 0.33, 8)
edge1.stats['N'] = 10
edge1.stats['Q'] = 0.2
root_node.edges.append(edge1)
child2 = Node(game_root.move(game_root.get_possible_moves()[1]))
edge2 = Edge(root_node, child2, 0.5, 104)
edge2.stats['N'] = 20
edge2.stats['Q'] = 0.5
root_node.edges.append(edge2)
child3 = Node(game_root.move(game_root.get_possible_moves()[2]))
edge3 = Edge(root_node, child3, 0.17, 9)
edge3.stats['N'] = 15
edge3.stats['Q'] = 0.3
root_node.edges.append(edge3)
agent.prepare_mcts_for_next_action = MagicMock()
mcts = MagicMock()
mcts.root = root_node
mcts.evaluate_leaf.return_value = 0.7
agent.mcts = mcts
mcts.move_to_leaf.return_value = (root_node, 0.5, False, [])
action, pi, value = agent.act(game_root, tau=0)
self.assertEqual(action, [9, 14])
self.assertEqual(value, 0.5)
self.assertEqual(pi[8], 10/(10 + 20 + 15))
self.assertEqual(pi[9], 15/(10 + 20 + 15))
self.assertEqual(pi[8 + 3*32], 20/(10 + 20 + 15))
def main():
"""
Evaluar el agente entrenado en un dataset de acciones en otro
completamente diferente
"""
stock_name = "GSPC_2011-03"
model_name = "model_rl"
# cargar pesos
model = load_model("models/" + model_name)
window_size = model.layers[0].input.shape.as_list()[1]
agent = Agent(window_size, True, model_name)
market = Market(window_size, stock_name)
# Empezar desde un estado inicial
state, price_data = market.reset()
for t in range(market.last_data_index):
# accion para el estado actual
action, bought_price = agent.act(state, price_data)
# verificar la acción para obtener recompensa y observar
# el siguiente estado
# obtener el siguiente estado
next_state, next_price_data, reward, done =\
market.get_next_state_reward(action, bought_price)
# estado siguiente y ganancias totales
state = next_state
price_data = next_price_data
if done:
print("--------------------------------")
print("{0} Ganancias totales: {1}".format(
stock_name, agent.get_total_profit()))
print("--------------------------------")
plot_action_profit(market.data, agent.action_history,
agent.get_total_profit())
agent_ac = Agent(params, painter)
writer = SummaryWriter(log_dir=params['log_folder'])
all_mean_rewards = []
all_mean_actor_loss = []
all_mean_critic_loss = []
time_step = 0
for i_episode in range(params['num_episodes']):
observed_map, robot_pose = grid_env.reset()
done = False
rewards = []
actor_losses = []
critic_losses = []
while not done:
action, action_log_prob = agent_ac.act(observed_map, robot_pose)
observed_map_next, robot_pose_next, reward, done = grid_env.step(action)
actor_loss, critic_loss = agent_ac.step(state=[observed_map, robot_pose], log_prob=action_log_prob,
action=action, reward=reward,
next_state=[observed_map_next, robot_pose_next], done=done)
actor_losses.append(actor_loss)
critic_losses.append(critic_loss)
# 转到下一个状态
observed_map = observed_map_next.copy()
robot_pose = robot_pose_next.copy()
time_step += 1
if params['visualise']:
painter.update()
for event in pygame.event.get():
writer = SummaryWriter(log_dir=os.path.join("log"))
output_model_dir = "model"
if not os.path.exists(output_model_dir):
os.makedirs(output_model_dir)
all_mean_rewards = []
for i_episode in range(num_episodes):
observed_map, robot_pose = grid_env.reset()
done = False
rewards = []
while not done:
action = dqn_agent.act(observed_map, robot_pose)
observed_map_next, robot_pose_next, reward, done = grid_env.step(
action)
dqn_agent.step(state=[observed_map, robot_pose],
action=action,
reward=reward,
next_state=[observed_map_next, robot_pose_next],
done=done)
# print("action=", action, ";reward:", reward, ";done:", done)
if visualise:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
rewards.append(reward)
if done:
if (i_episode + 1) % 10000 == 0:
set_seed(1)
if __name__ == "__main__":
context.set_context(mode=context.GRAPH_MODE,
device_target=args.device_target)
env = gym.make('CartPole-v1')
cfg.state_space_dim = env.observation_space.shape[0]
cfg.action_space_dim = env.action_space.n
agent = Agent(**cfg)
agent.load_dict()
for episode in range(300):
s0 = env.reset()
total_reward = 1
while True:
a0 = agent.act(s0)
s1, r1, done, _ = env.step(a0)
if done:
r1 = -1
agent.put(s0, a0, r1, s1)
if done:
break
total_reward += r1
s0 = s1
agent.learn()
agent.load_dict()
print("episode", episode, "total_reward", total_reward)
from src.environment import Environment
from src.agent import Agent
if __name__ == "__main__":
environment = Environment()
agent = Agent(3, 5)
loss = []
episode = 1000
for e in range(episode):
state = environment.reset()
state = np.reshape(state, (1, 5))
score = 0
max_steps = 1000
for i in range(max_steps):
action = agent.act(state)
reward, next_state, done = environment.step(action)
score += reward
next_state = np.reshape(next_state, (1, 5))
agent.remember(state, action, reward, next_state, done)
state = next_state
#agent.replay()
if done:
print(f"Episode {e}/{episode}, score: {score}")
break
agent.replay()
loss.append(score)
plt.plot([i for i in range(episode)], loss)
plt.xlabel("episodes")
plt.ylabel("rewards")
plt.show()
def main():
writer = SummaryWriter()
env = gym.make('MineRLObtainDiamondDense-v0')
if FRAME_SKIP > 0:
env = FrameSkip(env, FRAME_SKIP)
env = ObsWrapper(env)
env = MoveAxisWrapper(env, -1, 0)
env = CombineActionWrapper(env)
agent = Agent(env.observation_space, env.action_space)
data = minerl.data.make('MineRLTreechop-v0', data_dir=MINERL_DATA_ROOT)
data_source = data.sarsd_iter(num_epochs=-1, max_sequence_len=DATA_BATCH_SIZE)
# data_2 = minerl.data.make('MineRLObtainDiamond-v0', data_dir=MINERL_DATA_ROOT)
# data_2_source = data.sarsd_iter(num_epochs=-1, max_sequence_len=128)
# behavioral cloning
train_from_expert(agent, data_source)
net_steps = 0
n_episode = 0
while True:
obs = env.reset()
done = False
netr = 0
net_bonus_r = 0
nobs = None
step = 0
while not done:
action = agent.act(obs)
nobs, reward, done, info = env.step(action)
netr += reward
reward += agent.bonus_reward(obs, action, nobs)
net_bonus_r += reward
agent.add_data(obs, action, reward, nobs, done)
obs = nobs
# To get better view in your training phase, it is suggested
# to register progress continuously, example when 54% completed
# aicrowd_helper.register_progress(0.54)
# To fetch latest information from instance manager, you can run below when you want to know the state
#>> parser.update_information()
#>> print(parser.payload)
# .payload: provide AIcrowd generated json
# Example: {'state': 'RUNNING', 'score': {'score': 0.0, 'score_secondary': 0.0}, 'instances': {'1': {'totalNumberSteps': 2001, 'totalNumberEpisodes': 0, 'currentEnvironment': 'MineRLObtainDiamond-v0', 'state': 'IN_PROGRESS', 'episodes': [{'numTicks': 2001, 'environment': 'MineRLObtainDiamond-v0', 'rewards': 0.0, 'state': 'IN_PROGRESS'}], 'score': {'score': 0.0, 'score_secondary': 0.0}}}}
# .current_state: provide indepth state information avaiable as dictionary (key: instance id)
step += 1
net_steps += 1
if (TRAIN_INTERVAL != 0 and step % TRAIN_INTERVAL == 0) or done:
total_discrim_loss = 0.0
total_value = total_ppo_loss = total_value_loss = total_entropy = 0
n_epoch = 0
while not agent.is_memory_empty():
s, a, _, _, _ = data_source.__next__()
s = data_state_wrapper(s)
a = data_action_wrapper(a)
total_discrim_loss += agent.train_discriminator(s, a)
value, ppo_loss, value_loss, entropy = agent.train_policy()
total_value += value
total_ppo_loss += ppo_loss
total_value_loss += value_loss
total_entropy += entropy
n_epoch += 1
writer.add_scalar('Train/Value', value / n_epoch, net_steps)
writer.add_scalar('Train/PolicyLoss', ppo_loss / n_epoch, net_steps)
writer.add_scalar('Train/ValueLoss', value_loss / n_epoch, net_steps)
writer.add_scalar('Train/Entropy', entropy / n_epoch, net_steps)
writer.add_scalar('Train/DiscriminatorLoss', total_discrim_loss / n_epoch, net_steps)
agent.save_model()
writer.add_scalar('Reward/ExternalReward', netr, n_episode)
writer.add_scalar('Reward/TotalReward', net_bonus_r, n_episode)
n_episode += 1
agent.save_model()
agent.save_model()
aicrowd_helper.register_progress(1)
env.close()