def play_game(self, best_model, ng_model):
env = GameEnv().reset()
best_player = GamePlayer(self.config,
best_model,
play_config=self.config.eval.play_config)
ng_player = GamePlayer(self.config,
ng_model,
play_config=self.config.eval.play_config)
best_is_white = random() < 0.5
if not best_is_white:
black, white = best_player, ng_player
else:
black, white = ng_player, best_player
env.reset()
while not env.done:
if env.player_turn() == Player.black:
action = black.action(env.board)
else:
action = white.action(env.board)
env.step(action)
ng_win = None
if env.winner == Winner.white:
if best_is_white:
ng_win = 0
else:
ng_win = 1
elif env.winner == Winner.black:
if best_is_white:
ng_win = 1
else:
ng_win = 0
return ng_win, best_is_white
def play_game(self, best_model, ng_model):
env = GameEnv().reset()
if (self.raw_timestamp != self.dbx.files_get_metadata(
'/model/model_best_weight.h5').client_modified):
print('A newer model version is available - giving up this match')
ng_win = 0
self.best_is_white = True
return ng_win, self.best_is_white
best_player = GamePlayer(self.config,
best_model,
play_config=self.config.eval.play_config)
ng_player = GamePlayer(self.config,
ng_model,
play_config=self.config.eval.play_config)
self.best_is_white = not self.best_is_white
if not self.best_is_white:
black, white = best_player, ng_player
else:
black, white = ng_player, best_player
env.reset()
while not env.done:
if env.player_turn() == Player.black:
action = black.action(env.board)
else:
action = white.action(env.board)
env.step(action)
ng_win = None
if env.winner == Winner.white:
if self.best_is_white:
ng_win = 0
else:
ng_win = 1
elif env.winner == Winner.black:
if self.best_is_white:
ng_win = 1
else:
ng_win = 0
return ng_win, self.best_is_white
class EvolverWorker:
def __init__(self, config: Config):
self.config = config
self.model = None # type: GameModel
self.loaded_filenames = set()
self.loaded_data = {}
self.dataset = None
self.optimizer = None
self.dbx = None
self.version = 0 # Change to dynamic lookup from Drop Box Files
self.env = GameEnv()
self.raw_timestamp = None
self.best_is_white = True
self.play_files_per_generation = 15 # each file includes 25 games so each generation adds 375 games
self.max_play_files = 300
# at final there are alawys 7500 games to look at from previous 20 generations
self.min_play_files_to_learn = 0
self.play_files_on_dropbox = 0
def start(self):
auth_token = 'UlBTypwXWYAAAAAAAAAAEP6hKysZi9cQKGZTmMu128TYEEig00w3b3mJ--b_6phN'
self.dbx = dropbox.Dropbox(auth_token)
self.version = len(
self.dbx.files_list_folder('/model/HistoryVersion').entries)
print('\nThe Strongest Version found is: ', self.version, '\n')
while True:
self.model = self.load_model()
self.compile_model()
self.play_files_on_dropbox = len(
self.dbx.files_list_folder('/play_data').entries)
self.min_play_files_to_learn = min(
(self.version + 1) * self.play_files_per_generation,
self.max_play_files)
while self.play_files_on_dropbox < self.min_play_files_to_learn:
print('\nPlay Files Found:', self.play_files_on_dropbox,
'of required', self.min_play_files_to_learn,
'files. Started Self-Playing...\n')
self.self_play()
self.play_files_on_dropbox = len(
self.dbx.files_list_folder('/play_data').entries)
print('\nPlay Files Found:', self.play_files_on_dropbox,
'of required', self.min_play_files_to_learn,
'files. Training files sufficient for Learning!\n')
self.load_play_data()
self.raw_timestamp = self.dbx.files_get_metadata(
'/model/model_best_weight.h5').client_modified
RetrainSuccessful = False
while (RetrainSuccessful == False):
# Training
self.training()
# Evaluating
self.best_model = self.load_best_model()
RetrainSuccessful = self.evaluate()
if (self.raw_timestamp != self.dbx.files_get_metadata(
'/model/model_best_weight.h5').client_modified):
# Other Evolvers in Distribution already got a successful competition - cease this current eval.
time.sleep(20)
#self.remove_all_play_data()
self.version = len(
self.dbx.files_list_folder(
'/model/HistoryVersion').entries)
print('\nThe Strongest Version found is: ', self.version,
'\n')
# Also remove the oldest 15 files from dropbox
localfiles = get_game_data_filenames(self.config.resource)
localfilenames = []
for a in range(len(localfiles)):
localfilenames.append(localfiles[a][-32:])
dbfiles = []
for entry in self.dbx.files_list_folder(
'/play_data').entries:
dbfiles.append(entry.name)
localfiles_to_remove = set(localfilenames) - set(dbfiles)
print('Removing', len(localfiles_to_remove),
'files from local drive')
for file in localfiles_to_remove:
print('Removing local play_data file', file)
path = os.path.join(self.config.resource.play_data_dir,
file)
os.remove(path)
break
self.dataset = None
def self_play(self):
self.buffer = []
idx = 1
for _ in range(self.config.play_data.nb_game_in_file):
self.play_files_on_dropbox = len(
self.dbx.files_list_folder('/play_data').entries)
self.min_play_files_to_learn = min(
(self.version + 1) * self.play_files_per_generation,
self.max_play_files)
if (self.play_files_on_dropbox >= self.min_play_files_to_learn):
print(
'Training files sufficient for Learning, ending Self-Play...'
)
break
start_time = time.time()
env = self.self_play_game(idx)
end_time = time.time()
print("Game", idx, " Time=", (end_time - start_time),
" sec, Turn=", env.turn, env.observation, env.winner)
idx += 1
def load_model(self):
for entry in self.dbx.files_list_folder('/model').entries:
if (entry.name != 'HistoryVersion'
and entry.name != 'next_generation'):
md, res = self.dbx.files_download('/model/' + entry.name)
with open(
'SantoriniAZ-Dist/SmallSanto - Distributed/data/model/'
+ entry.name, 'wb') as f:
#with open('./data/model/'+entry.name, 'wb') as f:
f.write(res.content)
from agent.model import GameModel
model = GameModel(self.config)
rc = self.config.resource
dirs = get_next_generation_model_dirs(rc)
if not dirs:
print("loading best model")
if not load_best_model_weight(model):
print("Best model can not loaded!")
else:
latest_dir = dirs[-1]
print("loading latest model")
config_path = os.path.join(
latest_dir, rc.next_generation_model_config_filename)
weight_path = os.path.join(
latest_dir, rc.next_generation_model_weight_filename)
model.load(config_path, weight_path)
return model
def compile_model(self):
self.optimizer = SGD(lr=1e-2, momentum=0.9)
losses = [objective_function_for_policy, objective_function_for_value]
self.model.model.compile(optimizer=self.optimizer, loss=losses)
def training(self):
#self.compile_model()
last_load_data_step = last_save_step = total_steps = self.config.trainer.start_total_steps
#self.update_learning_rate(total_steps)
steps = self.train_epoch(self.config.trainer.epoch_to_checkpoint)
total_steps += steps
self.save_current_model()
last_save_step = total_steps
def load_play_data(self):
for entry in self.dbx.files_list_folder('/play_data').entries:
md, res = self.dbx.files_download('/play_data/' + entry.name)
with open(
'SantoriniAZ-Dist/SmallSanto - Distributed/data/play_data/'
+ entry.name, 'wb') as f:
#with open('./data/play_data/'+entry.name, 'wb') as f:
f.write(res.content)
filenames = get_game_data_filenames(self.config.resource)
updated = False
for filename in filenames:
#if filename in self.loaded_filenames:
# continue
if filename not in self.loaded_filenames:
self.load_data_from_file(filename)
updated = True
for filename in (self.loaded_filenames - set(filenames)):
self.unload_data_of_file(filename)
if updated:
print("Updated Play Data.\n")
self.dataset = self.collect_all_loaded_data()
def load_data_from_file(self, filename):
try:
print("loading data from ", filename)
data = read_game_data_from_file(filename)
self.loaded_data[filename] = self.convert_to_training_data(data)
self.loaded_filenames.add(filename)
except Exception as e:
print(str(e))
def unload_data_of_file(self, filename):
print("removing data about ", filename, " from training set")
self.loaded_filenames.remove(filename)
if filename in self.loaded_data:
del self.loaded_data[filename]
def collect_all_loaded_data(self):
state_ary_list, policy_ary_list, z_ary_list = [], [], []
for s_ary, p_ary, z_ary_ in self.loaded_data.values():
state_ary_list.append(s_ary)
policy_ary_list.append(p_ary)
z_ary_list.append(z_ary_)
state_ary = np.concatenate(state_ary_list)
policy_ary = np.concatenate(policy_ary_list)
z_ary = np.concatenate(z_ary_list)
return state_ary, policy_ary, z_ary
@staticmethod
def convert_to_training_data(data):
state_list = []
policy_list = []
z_list = []
for state, policy, z in data:
board = list(state)
board = np.reshape(board, (3, 3))
env = GameEnv().update(board)
white_ary, black_ary, block_ary, turn_ary = env.black_and_white_plane(
)
#state = [black_ary, white_ary, block_ary, turn_ary] if env.player_turn() == Player.black else [white_ary, black_ary, block_ary, turn_ary]
state = [white_ary, black_ary, block_ary, turn_ary]
state_list.append(state)
policy_list.append(policy)
z_list.append(z)
return np.array(state_list), np.array(policy_list), np.array(z_list)
@property
def dataset_size(self):
if self.dataset is None:
return 0
return len(self.dataset[0])
def train_epoch(self, epochs):
tc = self.config.trainer
state_ary, policy_ary, z_ary = self.dataset
self.model.model.fit(state_ary, [policy_ary, z_ary],
batch_size=tc.batch_size,
epochs=epochs,
verbose=1)
steps = (state_ary.shape[0] // tc.batch_size) * epochs
return steps
def save_current_model(self):
rc = self.config.resource
model_id = datetime.now().strftime("%Y%m%d-%H%M%S.%f")
model_dir = os.path.join(
rc.next_generation_model_dir,
rc.next_generation_model_dirname_tmpl % model_id)
os.makedirs(model_dir, exist_ok=True)
config_path = os.path.join(model_dir,
rc.next_generation_model_config_filename)
weight_path = os.path.join(model_dir,
rc.next_generation_model_weight_filename)
self.model.save(config_path, weight_path)
def load_best_model(self):
model = GameModel(self.config)
load_best_model_weight(model)
return model
def evaluate(self):
ng_model, model_dir = self.load_next_generation_model()
print("start evaluate model", model_dir)
ng_is_great = self.evaluate_model(ng_model)
if ng_is_great:
print("New Model become best model:", model_dir)
save_as_best_model(ng_model)
self.best_model = ng_model
# Save to Drop Box inside History Version folder & save as best model in /model folder
self.version = self.version + 1
with open(
'SantoriniAZ-Dist/SmallSanto - Distributed/data/model/model_best_weight.h5',
'rb') as f:
#with open('./data/model/model_best_weight.h5', 'rb') as f:
data = f.read()
res = self.dbx.files_upload(data,
'/model/HistoryVersion/Version' +
"{0:0>4}".format(self.version) + '.h5',
dropbox.files.WriteMode.add,
mute=True)
res = self.dbx.files_upload(data,
'/model/model_best_weight.h5',
dropbox.files.WriteMode.overwrite,
mute=True)
# Remove the oldest 15 files if files is already 300
list = []
for entry in self.dbx.files_list_folder('/play_data').entries:
list.append(entry)
if (len(list) == 300):
for i in range(
14, -1, -1
): #Remove the oldest 15 files in both DropBox and Local
print('Removing Dropbox play_data file', i, list[i].name)
self.dbx.files_delete('/play_data/' + list[i].name)
print('Removing local play_data file', list[i].name)
path = os.path.join(self.config.resource.play_data_dir,
list[i].name)
os.remove(path)
self.remove_model(model_dir)
return ng_is_great
def load_next_generation_model(self):
rc = self.config.resource
while True:
dirs = get_next_generation_model_dirs(self.config.resource)
if dirs:
break
print("There is no next generation model to evaluate")
sleep(600)
model_dir = dirs[
-1] if self.config.eval.evaluate_latest_first else dirs[0]
config_path = os.path.join(model_dir,
rc.next_generation_model_config_filename)
weight_path = os.path.join(model_dir,
rc.next_generation_model_weight_filename)
model = GameModel(self.config)
model.load(config_path, weight_path)
return model, model_dir
def evaluate_model(self, ng_model):
results = []
winning_rate = 0
for game_idx in range(1, self.config.eval.game_num + 1):
ng_win, white_is_best = self.play_game(self.best_model, ng_model)
if ng_win is not None:
results.append(ng_win)
winning_rate = sum(results) / len(results)
if (ng_win == 1 and white_is_best):
print('Game', game_idx, ': Wins with Black. Winning rate ',
winning_rate)
elif (ng_win == 1 and not white_is_best):
print('Game', game_idx, ': Wins with White. Winning rate ',
winning_rate)
elif (ng_win == 0 and white_is_best):
print('Game', game_idx, ': Loses with Black. Winning rate ',
winning_rate)
elif (ng_win == 0 and not white_is_best):
print('Game', game_idx, ': Loses with White. Winning rate ',
winning_rate)
if results.count(0) >= self.config.eval.game_num * (
1 - self.config.eval.replace_rate):
print("Lose count reach", results.count(0),
" so give up challenge\n")
break
if results.count(
1
) >= self.config.eval.game_num * self.config.eval.replace_rate:
print("Win count reach", results.count(1),
" so change best model\n")
break
winning_rate = sum(results) / len(results)
return winning_rate >= self.config.eval.replace_rate
def play_game(self, best_model, ng_model):
env = GameEnv().reset()
if (self.raw_timestamp != self.dbx.files_get_metadata(
'/model/model_best_weight.h5').client_modified):
print('A newer model version is available - giving up this match')
ng_win = 0
self.best_is_white = True
return ng_win, self.best_is_white
best_player = GamePlayer(self.config,
best_model,
play_config=self.config.eval.play_config)
ng_player = GamePlayer(self.config,
ng_model,
play_config=self.config.eval.play_config)
self.best_is_white = not self.best_is_white
if not self.best_is_white:
black, white = best_player, ng_player
else:
black, white = ng_player, best_player
env.reset()
while not env.done:
if env.player_turn() == Player.black:
action = black.action(env.board)
else:
action = white.action(env.board)
env.step(action)
ng_win = None
if env.winner == Winner.white:
if self.best_is_white:
ng_win = 0
else:
ng_win = 1
elif env.winner == Winner.black:
if self.best_is_white:
ng_win = 1
else:
ng_win = 0
return ng_win, self.best_is_white
def remove_model(self, model_dir):
rc = self.config.resource
config_path = os.path.join(model_dir,
rc.next_generation_model_config_filename)
weight_path = os.path.join(model_dir,
rc.next_generation_model_weight_filename)
os.remove(config_path)
os.remove(weight_path)
os.rmdir(model_dir)
def self_play_game(self, idx):
self.env.reset()
self.black = GamePlayer(self.config, self.model)
self.white = GamePlayer(self.config, self.model)
while not self.env.done:
if self.env.player_turn() == Player.black:
action = self.black.action(self.env.board)
else:
action = self.white.action(self.env.board)
self.env.step(action)
self.finish_game()
self.save_play_data(write=idx %
self.config.play_data.nb_game_in_file == 0)
self.remove_play_data()
return self.env
def finish_game(self):
if self.env.winner == Winner.black:
black_win = 1
elif self.env.winner == Winner.white:
black_win = -1
else:
black_win = 0
self.black.finish_game(black_win)
self.white.finish_game(-black_win)
def save_play_data(self, write=True):
data = self.black.moves + self.white.moves
self.buffer += data
if not write:
return
rc = self.config.resource
game_id = datetime.now().strftime("%Y%m%d-%H%M%S.%f")
filename = rc.play_data_filename_tmpl % game_id
path = os.path.join(rc.play_data_dir,
rc.play_data_filename_tmpl % game_id)
print("save play data to ", path)
write_game_data_to_file(path, self.buffer)
# Saving File to Drop Box
self.play_files_on_dropbox = len(
self.dbx.files_list_folder('/play_data').entries)
self.min_play_files_to_learn = min(
(self.version + 1) * self.play_files_per_generation, 300)
if self.play_files_on_dropbox < self.min_play_files_to_learn:
with open(path, 'rb') as f:
data = f.read()
res = self.dbx.files_upload(data,
'/play_data/' + filename,
dropbox.files.WriteMode.add,
mute=True)
#print('uploaded as', res.name.encode('utf8'))
self.buffer = []
def remove_play_data(self):
files = get_game_data_filenames(self.config.resource)
if len(files) < self.config.play_data.max_file_num:
return
for i in range(len(files) - self.config.play_data.max_file_num):
os.remove(files[i])
def remove_all_play_data(self):
files = get_game_data_filenames(self.config.resource)
for i in range(len(files)):
os.remove(files[i])