def run(model, model_pre, optimizer, args, train_loader, test_loader):
# model, optimizer, args = initializer(local_args)
# train_loader, test_loader = load_dataset(args)
best = {}
best_epoch = 0
for epoch in range(args.start_epoch, args.epochs + 1):
print('{:3d}: '.format(epoch), end='')
result = {'epoch': epoch}
# use adaptive learning rate
if args.adaptive_lr:
adaptive_learning_rate(model, optimizer, epoch)
result.update(train(args, model, model_pre, train_loader, optimizer))
# validate and keep history at each log interval
if epoch % args.log_interval == 0:
result.update(validate(args, model, test_loader))
save_history(args, result)
if not best or result['val_loss'] < best['val_loss']:
best = result
best_epoch = epoch
# save model parameters
if not args.no_save_model:
save_model(args, model, epoch)
# print the best validation result
print(
'\nThe best avg val_loss: {:.4f}, avg val_cost: {:.2f}%, avg val_acc: {:.2f}%\n'
.format(best['val_loss'], best['cost'], best['acc']))
# save the model giving the best validation results as a final model
if not args.no_save_model:
save_model(args, model, best_epoch, True)
plot_history(args)
def main(scenarios_file, device, epochs, patience, verbose, hyper_params_file):
hps = get_hyperparameter_options(hyper_params_file)[0]
batch_size = hps['batch_size']
limit_vectors = hps['limit_vectors']
dlf = MVSDataLoaderFactory(batch_size=batch_size, limit_vectors=limit_vectors)
scenarios = load_scenarios(scenarios_file)
print('training in', device)
# dumb model only to save specs
dmodel = HS_Model(vector_size=vector_size, device=device, patience=patience, **hps)
save_config(dmodel, hps, results_config_file)
for scenario in scenarios:
reset_all_seeds(RANDOM_SEED)
print('\nTraining scenario:',scenario)
print('Hyperparameters:',hps)
train_loader, dev_loader, test_loader = dlf.data_loaders_from_scenario(scenario)
model = HS_Model(vector_size=vector_size, device=device, patience=patience,
save_best=True, scenario=scenario, model_path=model_path, **hps)
model.train(train_loader, dev_loader, epochs=epochs, verbose=verbose)
best_model = load_model(model_path, scenario)
save_summary(results_file, scenario, model, best_model, train_loader, dev_loader, test_loader, verbose=1)
save_history(history_path, scenario, model)
print('Finish training scenario:',scenario)
def train_canterpillar_with_generator(name):
model = canterpillar_net()
model.summary()
optimiser = sgd(momentum=0.9, nesterov=True)
model.compile(optimizer=optimiser, loss=mean_squared_error)
x_train, x_test = prepare_data_for_canterpillar(segment_len=None)
batch_size = 20
steps_per_epoch = 15
print("батчей за эпоху будет:" + str(steps_per_epoch))
print("в одном батче " + str(batch_size) + " кардиограмм.")
train_generator = ecg_batches_generator(segment_len=ecg_segment_len,
batch_size=batch_size,
ecg_dataset=x_train)
test_generator = ecg_batches_generator(segment_len=ecg_segment_len,
batch_size=batch_size,
ecg_dataset=x_test)
tb_callback = TensorBoard(log_dir='./caterpillar_logs',
histogram_freq=5,
write_graph=True,
write_grads=True)
y_test = next(test_generator)
history = model.fit_generator(generator=train_generator,
steps_per_epoch=steps_per_epoch,
epochs=50,
validation_data=y_test,
validation_steps=2,
callbacks=[tb_callback])
save_history(history, name)
model.save(name + '.h5')
return model
def train_and_evaluate(model, train_dataloader, val_dataloader, optimizer,
loss_fn, epochs):
best_val_MSE = float('inf')
for epoch in range(epochs):
# Run one epoch
logging.info("Epoch {}/{}".format(epoch + 1, epochs))
for param_group in optimizer.param_groups:
print(param_group['lr'])
# compute number of batches in one epoch (one full pass over the training set)
train(model, optimizer, loss_fn, train_dataloader)
# Evaluate MSE for one epoch on train and validation set
train_MSE = evaluate(results_dir, model, nn.MSELoss(),
train_dataloader, device, dtype)
val_MSE = evaluate(results_dir, model, nn.MSELoss(), val_dataloader,
device, dtype)
#test_MSE = evaluate(results_dir, model, nn.MSELoss(), test_dataloader, device, dtype)
# Evaluate L1 for one epoch on train and validation set
train_L1 = evaluate(results_dir, model, nn.L1Loss(), train_dataloader,
device, dtype)
val_L1 = evaluate(results_dir, model, nn.L1Loss(), val_dataloader,
device, dtype)
scheduler.step(train_MSE)
# save training history in csv file:
utils.save_history(epoch, train_MSE, val_MSE, val_MSE, train_L1,
val_L1, results_dir)
# print losses
logging.info("- Train average RMSE loss: " + str(np.sqrt(train_MSE)))
logging.info("- Validation average RMSE loss: " +
str(np.sqrt(val_MSE)))
#logging.info("- Test average RMSE loss: " + str(np.sqrt(test_MSE)))
# save MSE if is the best
is_best = val_MSE <= best_val_MSE
# If best_eval, best_save_path
if is_best:
logging.info("- Found new best evaluation loss")
# Save best val loss in a txt file in the checkpoint directory
best_val_path = "best_val_loss.txt"
utils.save_dict_to_txt(val_MSE, results_dir, best_val_path, epoch)
best_val_MSE = val_MSE
# Save latest val metrics in a json file in the results directory
last_val_path = "last_val_loss.txt"
utils.save_dict_to_txt(val_MSE, results_dir, last_val_path, epoch)
# Save weights
utils.save_checkpoint(
{
'epoch': epoch + 1,
'state_dict': model.state_dict(),
'optim_dict': optimizer.state_dict()
},
is_best=is_best,
checkpoint=checkpoint_dir)
def search_dropout(dropout_rates=(.2, .3, .4, .5)):
params = utils.Params('experiments/crop_64/params.json')
for dr in dropout_rates:
print(f'dropout_rate={dr}')
params.dropout = dr
trainer = Trainer(params=params)
history = trainer.train()
utils.save_history(history, trainer, param_name='dropout')
def train_model(modelBuilder):
train_df = load_dataframe('train')
test_df = load_dataframe('test')
X_train = process(transform_dataset(train_df), isolate)
X_test = process(transform_dataset(test_df), isolate)
target_train = train_df['is_iceberg']
X_train_cv, X_valid, y_train_cv, y_valid = train_test_split(
X_train, target_train, random_state=1, train_size=0.75)
model = modelBuilder()
optimizer = Adam(lr=LEARNING_RATE,
beta_1=BETA_1,
beta_2=BETA_2,
epsilon=EPSILON,
decay=DECAY)
model.compile(loss='binary_crossentropy',
optimizer=optimizer,
metrics=['accuracy'])
model.summary()
callbacks = build_save_callbacks(filepath=MODEL_PATH, patience=5)
datagen = ImageDataGenerator(
# featurewise_center=True,
# featurewise_std_normalization=True,
# rotation_range=20,
# width_shift_range=0.2,
# height_shift_range=0.2,
# horizontal_flip=True
)
datagen.fit(X_train)
empty = ImageDataGenerator()
empty.fit(X_valid)
steps_per_epoch = len(X_train_cv) // BATCH_SIZE
hist = model.fit_generator(datagen.flow(X_train_cv,
y_train_cv,
batch_size=BATCH_SIZE),
epochs=EPOCHS,
verbose=VERBOSE,
validation_data=empty.flow(X_valid, y_valid),
steps_per_epoch=steps_per_epoch,
callbacks=callbacks)
model.load_weights(filepath=MODEL_PATH)
score = model.evaluate(X_valid, y_valid, verbose=1)
print('Test loss:', score[0])
print('Test accuracy:', score[1])
predicted_test = model.predict_proba(X_test)
save_submission(test_df, predicted_test, filename='sub.csv')
save_history(hist.history, model_name=MODEL_NAME)
def check_update() -> List[News]:
history = load_history()
using_crawlers = filter(lambda c: c.SITE_NAME in TOKEN_TABLE.keys(),
get_all_crawler_classes())
with ThreadPoolExecutor(max_workers=MAX_WORKERS) as executor:
params = [(clazz, history) for clazz in using_crawlers]
result = executor.map(crawl_news_with_class, params)
save_history(history)
return sum(list(result), [])
def train_fish(fish, name):
x = get_healthy_dataset()
train_generator, test_generator = make_generators(x)
history = fish.fit_generator(generator=train_generator,
steps_per_epoch=20,
epochs=50,
validation_data=test_generator,
validation_steps=1)
save_history(history, name)
fish.save(name + '.h5')
def tune_kernel_initializer(self, kernel_initializers=('glorot_uniform', 'he_uniform', 'he_normal')):
for kernel_initializer in kernel_initializers:
print(f'============== kernel_initializer: {kernel_initializer} ==============')
self.params.kernel_initializer = kernel_initializer
self.trainer = Trainer(params=self.params,
net_class=self.net_class,
experiment_dir=self.experiment_dir,
is_toy=self.is_toy,
set_seed=self.set_seed)
history = self.trainer.train()
utils.save_history(history, self.trainer, param_name='kernel_initializer')
def tune_image_shape(self, input_shapes=((512, 512, 3), (256, 256, 3))):
for input_shape in input_shapes:
print(f'============== input_shape: {input_shape} ==============')
self.params.input_shape = input_shape
self.trainer = Trainer(params=self.params,
net_class=self.net_class,
experiment_dir=self.experiment_dir,
is_toy=self.is_toy,
set_seed=self.set_seed)
history = self.trainer.train()
utils.save_history(history, self.trainer, param_name='input_shape')
def tune_leaky_relu(self, alphas=(0, .001, .01, .1, .2, .3), name_modifier=''):
for alpha in alphas:
print(f'============== alpha: {alpha} ==============')
self.params.alpha = alpha
self.trainer = Trainer(params=self.params,
net_class=self.net_class,
experiment_dir=self.experiment_dir,
is_toy=self.is_toy,
set_seed=self.set_seed)
history = self.trainer.train()
utils.save_history(history, self.trainer, param_name='alpha', name_modifier=name_modifier)
def tune_batch_size(self, batch_sizes=(2, 4, 8, 16, 32)):
for bs in batch_sizes:
print(f'============== bs: {bs} ==============')
self.params.batch_size = bs
self.trainer = Trainer(params=self.params,
net_class=self.net_class,
experiment_dir=self.experiment_dir,
is_toy=self.is_toy,
set_seed=self.set_seed)
history = self.trainer.train()
utils.save_history(history, self.trainer, param_name='batch_size')
def search_crop(crop_sizes=(64, 128, 256)):
experiment_dir = Path('experiments/augmentation')
for crop_size in crop_sizes:
print(f'crop_size={crop_size}')
params = utils.Params(experiment_dir / 'params.json')
params.input_shape = [crop_size, crop_size, 1]
params.crop_size = crop_size
trainer = Trainer(params=params)
history = trainer.train()
utils.save_history(history, trainer, param_name='crop_size')
def tune_lr(self, rates=(1e-3, 1e-4, 1e-5, 1e-6)):
for lr in rates:
print(f'============== lr: {lr} ==============')
self.params.learning_rate = lr
self.trainer = Trainer(params=self.params,
net_class=self.net_class,
experiment_dir=self.experiment_dir,
is_toy=self.is_toy,
set_seed=self.set_seed)
history = self.trainer.train()
utils.save_history(history, self.trainer, param_name='learning_rate')
def train(name):
model = get_model()
generator_train, generator_test = get_generators(train_batch=15,
test_batch=50)
history = model.fit_generator(generator=generator_train,
steps_per_epoch=40,
epochs=10,
validation_data=generator_test,
validation_steps=1)
save_history(history, name)
model.save(name + '.h5')
def train_batterfly(name):
x_train, x_test, y_train, y_test = prepare_data(
seg_len=None) # вытаскиваем полный непорезанный датасет
num_labels = y_train.shape[1]
model = create_batterfly(num_labels=num_labels)
model.summary()
batch_size = 30
train_generator = ecg_batches_generator_for_classifier(
segment_len=ecg_segment_len,
batch_size=batch_size,
ecg_dataset=x_train,
diagnodses=y_train)
test_generator = ecg_batches_generator_for_classifier(
segment_len=ecg_segment_len,
batch_size=300,
ecg_dataset=x_test,
diagnodses=y_test)
steps_per_epoch = 40
print("батчей за эпоху будет:" + str(steps_per_epoch))
print("в одном батче " + str(batch_size) + " кардиограмм.")
#уменьшение learning rate автоматически на плато
#learning_rate_reduction = ReduceLROnPlateau(monitor='val_loss', factor = 0.1, patience = 5, verbose = 1)
#изменение LR по методу SGDR
#change_lr = cosine_lr.SGDRScheduler(min_lr=0.0001, max_lr=0.1, steps_per_epoch=np.ceil(15/batch_size), lr_decay=0.8, cycle_length=1, mult_factor=1)
#tb_callback = TensorBoard(log_dir='./butterfly_logs', histogram_freq=20, write_graph=True, write_grads=True)
history = model.fit_generator(generator=train_generator,
steps_per_epoch=steps_per_epoch,
epochs=50,
validation_data=test_generator,
validation_steps=1)
save_history(history, name)
model.save(name + '.h5')
eval_generator = ecg_batches_generator_for_classifier(
segment_len=ecg_segment_len,
batch_size=700,
ecg_dataset=x_test,
diagnodses=y_test)
xy = next(eval_generator)
# заставляем модель предсказать
prediction = model.predict_on_batch(x=xy[0])
print("ответ модели:")
print(prediction)
print("правильный ответ:")
print(xy[1])
return xy[1], prediction
def train(self, load_weights=False):
if load_weights:
self.model.load_weights(self.weight_file)
history = self.model.fit_generator(generator=self.train_gen,
steps_per_epoch=self.params.num_train//self.params.batch_size,
epochs=self.params.epochs,
validation_data=self.val_gen,
validation_steps=self.params.num_val//self.params.batch_size,
callbacks=self.callbacks)
utils.save_history(history, self)
return history
def main():
"""Main function of the program.
The function loads the dataset and calls training and validation functions.
"""
model, optimizer, args = initializer()
train_loader, test_loader, exit_tags = utils.load_dataset(args)
# disable training
if args.testing:
result = validate(args, model, test_loader)
#print('\nThe avg val_loss: {:.4f}, avg val_cost: {:.2f}%, avg val_acc: {:.2f}%\n'
# .format(result['val_loss'], result['cost'], result['acc']))
#examine(args, model, test_loader)
return
if args.two_stage:
args.loss_func = "v0"
for epoch in range(args.start_epoch, args.epochs + 1):
print('{:3d}:'.format(epoch), end='')
# two-stage training uses the loss version-1 after training for 25 epochs
if args.two_stage and epoch > 25:
args.loss_func = "v1"
# use adaptive learning rate
if args.adaptive_lr:
utils.adaptive_learning_rate(args, optimizer, epoch)
result = {'epoch': epoch}
result.update(train(args, model, train_loader, optimizer, exit_tags))
# validate and keep history at each log interval
if epoch % args.log_interval == 0:
result.update(validate(args, model, test_loader))
utils.save_history(args, result)
# save model parameters
if not args.no_save_model:
utils.save_model(args, model, epoch)
# print the best validation result
best_epoch = utils.close_history(args)
# save the model giving the best validation results as a final model
if not args.no_save_model:
utils.save_model(args, model, best_epoch, True)
utils.plot_history(args)
def train_func(args, log_dir):
model, model_dir, (trainx, trainy, testx, testy) = build_model(args)
# Callback_1
history_callback = Batch_History()
# Callback_2
state_file = os.path.join(model_dir, 'state.json')
#state_file = "/home/plash/petpen/state.json"
state_callback = Model_state(state_file, model.config)
history = model.train(callbacks=[history_callback, state_callback])
save_history(os.path.join(log_dir,'train_log'), history, history_callback)
model_result_path = os.path.dirname(log_dir)
model.save(os.path.join(model_result_path,'weights.h5'))
def tune_model_size(self, model_sizes=('regular', 'big')):
net_classes = {'regular': FullUnet,
'big': BiggerLeakyUnet}
for model_size in model_sizes:
print(f'============== model_size: {model_size} ==============')
self.params.model_size = model_size
self.trainer = Trainer(params=self.params,
net_class=net_classes[model_size],
experiment_dir=self.experiment_dir,
is_toy=self.is_toy,
set_seed=self.set_seed)
history = self.trainer.train()
utils.save_history(history, self.trainer, param_name='model_size')
def train_basic_model(args, path_configs: PathConfigs,
train_configs: SimpleTrainingConfigs, train_images,
train_labels, test_images, test_labels):
logging.info('Training basic network...')
model_name = args.model
model = utils.create_model(model_name)
model.build(input_shape=(train_configs.batch_size, IMAGE_HEIGHT,
IMAGE_WIDTH, IMAGE_CHANNELS))
model.summary()
opt = SGD(lr=train_configs.learning_rate, momentum=train_configs.momentum)
model.compile(optimizer=opt,
loss='categorical_crossentropy',
metrics=['accuracy'])
if args.use_augmentation:
model_name += '_augment'
data_gen = ImageDataGenerator(rotation_range=10,
zoom_range=0.1,
width_shift_range=0.1,
height_shift_range=0.1,
horizontal_flip=True)
it_train = data_gen.flow(train_images,
train_labels,
batch_size=train_configs.batch_size)
steps = int(train_images.shape[0] / train_configs.batch_size)
history = model.fit_generator(it_train,
steps_per_epoch=steps,
epochs=train_configs.epochs,
validation_data=(test_images,
test_labels),
verbose=2)
else:
history = model.fit(train_images,
train_labels,
epochs=train_configs.epochs,
batch_size=train_configs.batch_size,
validation_data=(test_images, test_labels),
verbose=2)
model.save_weights(path_configs.model_weights_folder_name + '/' +
model_name)
utils.save_history(
history.history, path_configs.training_histories_folder_name + '/' +
model_name + '_history.json')
def train(name, need_permute=False):
model = get_model()
if need_permute:
generator_train, generator_test = get_generators_permute(
train_batch=15, test_batch=50)
else:
generator_train, generator_test = get_generators(train_batch=15,
test_batch=50)
history = model.fit_generator(generator=generator_train,
steps_per_epoch=40,
epochs=45,
validation_data=generator_test,
validation_steps=1)
save_history(history, name)
model.save(name + '.h5')
def train(model, training_data, validation_data, optimizer, device, opt):
''' Start training '''
log_train_file = None
log_valid_file = None
if opt.log:
log_train_file = opt.log + '.train.log'
log_valid_file = opt.log + '.valid.log'
print('[Info] Training performance will be written to file: {} and {}'.format(
log_train_file, log_valid_file))
with open(log_train_file, 'w') as log_tf, open(log_valid_file, 'w') as log_vf:
log_tf.write('epoch,loss,ppl,accuracy\n')
log_vf.write('epoch,loss,ppl,accuracy\n')
history = []
valid_accus = []
for e in range(opt.epoch):
train_loss, train_accu = train_epoch(
model, training_data, optimizer, device, smoothing=opt.label_smoothing)
valid_loss, valid_accu = eval_epoch(model, validation_data, device)
history.append([train_loss, valid_loss, valid_accu])
valid_accus += [valid_accu]
if valid_accu >= max(valid_accus):
save_model(model, opt.result_dir)
print('[Info] The checkpoint file has been updated.')
if log_train_file and log_valid_file:
with open(log_train_file, 'a') as log_tf, open(log_valid_file, 'a') as log_vf:
log_tf.write('{epoch},{loss: 8.5f},{ppl: 8.5f},{accu:3.3f}\n'.format(
epoch=e, loss=train_loss,
ppl=math.exp(min(train_loss, 100)), accu=100*train_accu))
log_vf.write('{epoch},{loss: 8.5f},{ppl: 8.5f},{accu:3.3f}\n'.format(
epoch=e, loss=valid_loss,
ppl=math.exp(min(valid_loss, 100)), accu=100*valid_accu))
show_progress(e+1, opt.epoch, train_loss, valid_loss, valid_accu)
save_history(history, opt.result_dir)
def train(self, X, y, h1=1000, h2=600):
trn_acc = []
val_acc = []
trn_loss = []
val_loss = []
ae1, W1 = self._init_autoencoder(X, 0, h1, X.shape[1])
ae2, W2 = self._init_autoencoder(ae1, 1, h2, h1)
for trn_i, val_i in StratifiedKFold(n_splits=10, shuffle=True).split(X, y):
trn_x, trn_y = X[trn_i], y[trn_i]
val_x, val_y = X[val_i], y[val_i]
history = self._init_neural_net(trn_x, trn_y, val_x, val_y, h1, h2, W1, W2)
trn_acc.append(history.history['acc'])
val_acc.append(history.history['val_acc'])
trn_loss.append(history.history['loss'])
val_loss.append(history.history['val_loss'])
del history
gc.collect()
save_history(trn_acc, val_acc, trn_loss, val_loss, 'heinsfeld_autoencoder_training')
def tune_batch_norm(self, normalizations=('no-batch-norm', 'batch-norm'), name_modifier=''):
net_classes = {'no-batch-norm': BiggerLeakyUnet,
'batch-norm': BiggerLeakyBNUnet}
for normalization in normalizations:
print(f'============== normalization: {normalization} ==============')
self.params.normalization = normalization
if normalization == 'batch-norm':
self.params.learning_rate = .1
else:
self.params.learning_rate = 1e-5
self.trainer = Trainer(params=self.params,
net_class=net_classes[normalization],
experiment_dir=self.experiment_dir,
is_toy=self.is_toy,
set_seed=self.set_seed)
history = self.trainer.train()
utils.save_history(history, self.trainer, param_name='normalization', name_modifier=name_modifier)
def train_func(args):
model, model_dir, dataset_dir = build_model(args)
model_file = os.path.join(model_dir, 'result.json')
dataset_file = os.path.join(dataset_dir, 'train.csv')
model.load_dataset(model_file, dataset_file)
# Callback_1
history_callback = Batch_History()
str_start_time = datetime.now().strftime('%y%m%d_%H%M%S')
model_result_path = os.path.join(model_dir, str_start_time)
os.mkdir(model_result_path)
trainlog_dir = os.path.join(model_result_path, 'logs')
os.mkdir(trainlog_dir)
# Callback_2
state_file = os.path.join('.', 'state.json')
state_callback = Model_state(state_file, model.config)
history = model.train(callbacks=[history_callback, state_callback])
save_history(os.path.join(trainlog_dir, 'train_log'), history,
history_callback)
model.save_weights(os.path.join(model_result_path, 'weights.h5'))
def train_func(args, log_dir):
id = args.id
change_status('loading', id)
model, model_dir, (trainx, trainy, testx, testy) = build_model(args)
# Callback_1
history_callback = Batch_History()
# Callback_2
state_file = os.path.join(model_dir, 'state.json')
#state_file = "/home/plash/petpen/state.json"
state_callback = Model_state(state_file, model.config)
# Callback_3
rl_callback = RealtimeLogger(os.path.join(log_dir, 'realtime_logging.txt'))
change_status('running', id)
history = model.train(
callbacks=[history_callback, state_callback, rl_callback])
save_history(os.path.join(log_dir, 'train_log'), history, history_callback)
model_result_path = os.path.dirname(log_dir)
model.save(os.path.join(model_result_path, 'weights.h5'))
def train_butterfly_binary(name):
model = create_batterfly(num_labels=1)
model.summary()
optimiser = sgd(momentum=0.9, nesterov=True)
model.compile(optimizer=optimiser,
loss=mean_squared_error,
metrics=['accuracy'])
train_generator, test_generator = get_generators(
train_batch=20, test_batch=50, segment_len=ecg_segment_len)
steps_per_epoch = 30
history = model.fit_generator(generator=train_generator,
steps_per_epoch=steps_per_epoch,
epochs=50,
validation_data=test_generator,
validation_steps=2)
save_history(history, name)
model.save(name + '.h5')
return model
z = Variable(z, volatile=True)
random_image = G(z)
fixed_image = G(fixed_z)
G.train() # stop test and start train
p = DIR + '/Random_results/MNIST_GAN_' + str(epoch + 1) + '.png'
fixed_p = DIR + '/Fixed_results/MNIST_GAN_' + str(epoch + 1) + '.png'
utils.save_result(random_image, (epoch+1), save=True, path=p)
utils.save_result(fixed_image, (epoch+1), save=True, path=fixed_p)
train_hist['D_losses'].append(torch.mean(torch.FloatTensor(D_losses)))
train_hist['G_losses'].append(torch.mean(torch.FloatTensor(G_losses)))
train_hist['per_epoch_times'].append(per_epoch_time)
end_time = time()
total_time = end_time - end_time
print("Avg per epoch time: %.2f, total %d epochs time: %.2f" % (torch.mean(torch.FloatTensor(train_hist['per_epoch_times'])), EPOCH, total_time))
print("Training finish!!!...")
# save parameters
torch.save(G.state_dict(), DIR + "/generator_param.pkl")
torch.save(D.state_dict(), DIR + "/discriminator_param.pkl")
# save history
p = DIR + '/history.png'
utils.save_history(train_hist, save=True, path=p)
# save animation
prefix = DIR + '/Fixed_results/MNIST_GAN_'
p = DIR + '/animation.gif'
utils.save_animation(EPOCH, prefix=prefix, path=p)
class_mode='binary')
print(train_generator.class_indices)
# 訓練
history = model.fit_generator(generator=train_generator,
steps_per_epoch=int(np.floor(2000 / 32)),
epochs=50,
validation_data=validation_generator,
validation_steps=int(np.floor(800 / 32)))
utils.plot_history(history)
# 結果を保存
model.save(os.path.join(config.result_dir, 'scratch_model.h5'))
model.save_weights(
os.path.join(config.result_dir, 'scratch_weights.h5'))
utils.save_history(
history, os.path.join(config.result_dir, 'scratch_history.txt'))
except (KeyboardInterrupt, SystemExit):
utils.unlock()
utils.error(config.syserr)
except LunaExcepion as e:
utils.error(e.value)
if (e.value == config.locked):
exit()
logger.info("------ end ------")
except Exception as e:
logger.error(e)
logger.error(traceback.format_exc())
utils.error(config.syserr)
utils.unlock()
logger.info("------ end ------")