def run_seq(config, evaluator):
for i in range(0, 21):
print(i)
model = Model(config, evaluator.dataset, str(i))
# model = torch.nn.DataParallel(model)
model.to(evaluator.device)
evaluator.eval(model)
def main(argv):
(opts, args) = parser.parse_args(argv)
config = ConfigParser(opts.config)
if torch.cuda.is_available():
gpu_ids = np.array(config.general.gpu_ids.split(' ')).astype(np.int)
device = torch.device('cuda:{0}'.format(gpu_ids[0]))
else:
device = torch.device('cpu')
# torch.cuda.set_device(device)
raw_df = pd.read_csv(config.dataset.raw_path, sep="\t")
name_vectorizer = train_tf_idf(MIN_NAME_DF, 'name', raw_df)
train_loader, dataset = init_dataset(config, DBType.Train, name_vectorizer, raw_df)
current_iteration_path = os.path.join(config.general.output_path, config.general.current_iteration_file_name)
if os.path.isfile(current_iteration_path):
start_epoch, epoch_iteration = np.loadtxt(current_iteration_path, delimiter=',', dtype=int)
print('resuming from epoch %d at iteration %d' % (start_epoch, epoch_iteration))
else:
start_epoch, epoch_iteration = 0, 0
tmp_start = epoch_iteration
model = Model(config, dataset)
# model = torch.nn.DataParallel(model)
model.train()
dataset_size = len(dataset)
logger = Logger(config)
current_step = start_epoch * dataset_size + epoch_iteration
steps_counter = 0
accumulated_loss = 0
freq_loss = 0
evaluator = Evaluator(DBType.Validation, config, name_vectorizer, raw_df)
raw_df = None
# if start_epoch % config.train.lr_update_freq == 0:
# model.update_learning_rate()
# if len(gpu_ids) > 1:
# model = nn.DataParallel(model)
model.to(device)
freq_start_time = time.time()
current_eval = last_eval = 99999999
tmp_count = 0
for epoch in range(start_epoch, config.train.num_epochs):
epoch_start_time = time.time()
if epoch != start_epoch:
epoch_iteration = 0
for i, data in enumerate(train_loader, start=epoch_iteration):
if steps_counter % 500 == 0:
print('{} / {}'.format(epoch_iteration, dataset_size))
current_step += config.train.batch_size
epoch_iteration += config.train.batch_size
name = data['name'].to(device)
cid = data['cid'].to(device)
c_name = data['c_name'].to(device)
b_name = data['b_name'].to(device)
price = data['price'].to(device).unsqueeze(1)
shipping = data['shipping'].to(device)
desc = data['desc'].to(device)
desc_len = data['desc_len'].to(device)
loss = model(name, cid, c_name, b_name, shipping, desc, desc_len, price)
loss = torch.mean(loss)
model.optimizer.zero_grad()
loss.backward()
if config.general.clip_grads:
torch.nn.utils.clip_grad_norm_(model.parameters(), 0.25)
model.optimizer.step()
accumulated_loss += loss.item()
freq_loss += loss.item()
if (steps_counter % config.general.print_logs_freq == 0) and steps_counter != 0:
freq_loss = freq_loss / config.general.print_logs_freq
print('freq_loss {}. time {}'.format(freq_loss, time.time() - freq_start_time))
losses_dict = {'loss': loss.item(), 'freq_loss': freq_loss}
logger.dump_current_errors(losses_dict, current_step)
freq_loss = 0
freq_start_time = time.time()
if (steps_counter % config.general.save_checkpoint_freq == 0) and steps_counter != 0:
print('========== saving model (epoch %d, total_steps %d) =========' % (epoch, current_step))
model.save('latest')
np.savetxt(current_iteration_path, (epoch, epoch_iteration), delimiter=',', fmt='%d')
steps_counter += 1
print('end of epoch %d / %d \t time taken: %d sec' %
(epoch, config.train.num_epochs, time.time() - epoch_start_time))
accumulated_loss = accumulated_loss / (i + 1 - tmp_start)
tmp_start = 0
print('accumulated loss {}'.format(accumulated_loss))
losses_dict = {'accumulated_loss': accumulated_loss}
logger.dump_current_errors(losses_dict, current_step)
accumulated_loss = 0
model.save('latest')
model.save(str(epoch))
np.savetxt(current_iteration_path, (epoch + 1, 0), delimiter=',', fmt='%d')
# if epoch % config.general.eval_epcohs_freq == 0:
current_eval = evaluator.eval(model, max_iterations=config.train.max_eval_iterations)
# if epoch % config.train.lr_update_freq == 0:
if current_eval > last_eval:
tmp_count += 1
if tmp_count == 3:
model.update_learning_rate()
tmp_count = 0
last_eval = current_eval
else:
tmp_count = 0
last_eval = current_eval
def run_once(config, evaluator):
model = Model(config, evaluator.dataset)
# model = torch.nn.DataParallel(model)
model.to(evaluator.device)
evaluator.eval(model)
def main():
seed = 0
fix_seed(seed)
data = cr.Dataset(
data_paths=cfg.data_paths,
exp_id=cfg.exp_id,
img_shape=cfg.img_shape,
img_crop_size=cfg.img_crop_size,
max_trace=cfg.max_trace_len,
)
x_train, x_test, y_train, y_test = data.split_training_test_data(
test_split=.20, seed=10, for_deep=True)
trainsets = NNDataset(x_train, y_train, DEVICE)
testsets = NNDataset(x_test, y_test, DEVICE)
train_loader = torch.utils.data.DataLoader(trainsets, batch_size=32)
test_loader = torch.utils.data.DataLoader(testsets, batch_size=32)
for model_name in MODEL_LIST:
print(f'\n======== {model_name} ========\n')
if model_name == 'LSTM':
model = Model(t_stage='LSTM',
device=DEVICE,
t_hidden_dim=500,
t_output_dim=500,
use_cnn_for_trace=False)
elif model_name == 'CNN_LSTM':
model = Model(t_stage='LSTM',
device=DEVICE,
t_hidden_dim=500,
t_output_dim=500)
elif model_name == 'OnlyCNN':
model = Model(s_stage='CNN', device=DEVICE, block_num=3)
else:
model = Model(s_stage=model_name,
t_stage='LSTM',
device=DEVICE,
pretrained=PRETRAINED,
block_num=3,
t_hidden_dim=500,
t_output_dim=500)
if MODE == 'train':
score, model = train(model,
model_name,
train_loader,
test_loader,
DEVICE,
log_path=f'{ROOT}/out/{model_name}.txt')
model = model.to('cpu')
torch.save(model.state_dict(),
f'{ROOT}/best_models/{model_name}.pth')
elif MODE == 'fps':
model.eval()
inputs = (torch.rand(1, 1,
500).to(DEVICE), torch.rand(1, 1, 80,
80).to(DEVICE))
t0 = time.time()
for i in range(100):
model(inputs)
with open(f'{ROOT}/out/speed.txt', 'a') as f:
f.write(f'{model_name}: {100 / (time.time() - t0):.04f} fps\n')
else:
raise ValueError