def test(args):
    device = set_cuda_device(args.cuda_device, verbose=False)

    model_path = "../model/model_state_2020-08-03_14.st"
    vocab_path = "../model/vocab.dat"

    print("\nLoading State Dict ...\n")
    vocab_dict = torch.load(vocab_path, map_location=device)
    param_dict = torch.load(model_path, map_location=device)
    word2index, char2index = vocab_dict["word2index"], vocab_dict["char2index"]

    print("Initializing Model ...\n\n")
    model = MS_Pointer(args, word2index=word2index, char2index=char2index,
                       device=device).to(device)
    model.load_state_dict(param_dict)

    # data [ [[source1],[source2]], [[source1],[source2]] ... [[source1],[source2]] ]
    data = [
            [["雪润", "皙白", "护肤套装", "化妆品", "礼盒品", "紧致", "提拉", "补水", "保湿", "粉白", "组合", "正品", "套装"],
             ["弹力", "补水", "国产", "保湿补水"]], 
            [["面霜", "正品", "专卖", "弹力", "蛋白", "凝时", "紧致霜", "补水", "保湿", "提拉", "紧致", "正品", "紧致霜"],
             ["保湿", "紧致", "国产", "保湿补水"]], 
            [["京选", "抖音", "网红", "蜗牛", "保湿", "莹润", "嫩滑", "美肌", "补水", "保湿", "收缩", "毛孔", "护理", "套装"],
             ["保湿", "补水", "国产", "干性", "保湿补水"]], 
            [["活泉", "水动力", "补水", "保湿", "护肤品", "套装", "洗面奶", "水乳液", "化妆品", "套装", "男女", "学生", "补水套装"],
             ["保湿", "补水", "国产", "干性", "补水套装2件套"]], 
            [["乳液面霜", "白肌", "精华乳液"], 
             ["保湿", "补水", "国产", "干性", "中性", "混合性", "保湿补水"]]
           ]
    
    pred_tokens, pred_probs = model.predict([item[0: 2] for item in data])

    for idx, beam_result in enumerate(pred_tokens):
        print(beam_result[0])
Пример #2
0
 def test_set_cuda_device(self):
     set_cuda_device([0, 1, 2])
     self.assertEqual(os.environ["CUDA_VISIBLE_DEVICES"], "0,1,2")
Пример #3
0
    model.eval()
    result = {'Id': [], 'Label': []}
    for image_names, images in tqdm(loader):
        labels = []
        for transformer in tta.aliases.d4_transform():
            augmented_image = transformer.augment_image(images)
            with torch.no_grad():
                y_pred = model(augmented_image.to(device))
                y_pred = 1 - F.softmax(y_pred, dim=1).data.cpu().numpy()[:, 0]
            labels.append(y_pred[:, None])
        y_pred = np.concatenate(labels, axis=1)
        result['Id'].extend(image_names)
        result['Label'].append(y_pred)
    result['Label'] = np.concatenate(result['Label']).mean(1)
    submission = pd.DataFrame(result)
    submission = submission.fillna(0.5)
    submission.to_csv(submission_path, index=False)


if __name__ == '__main__':
    set_seed(config.seed)
    set_cuda_device(config.gpu)
    model = torch.load(f'model/{config.workdir}/best_model.pth').to(
        config.device)
    test_dataset = get_test_dataset(config)
    test_loader = DataLoader(test_dataset,
                             batch_size=config.batch_size,
                             num_workers=config.num_workers,
                             shuffle=False)
    predict(test_loader, model, config.device, config.submission_path)
def train(args):
    logger.info(color("Initializing Data Loader ... \n", 1))
    data_loader = DataUtils(args)
    device = set_cuda_device(args.cuda_device)

    logger.info(color("Processing Data ... \n", 1))
    train_data, valid_data, test_data = data_loader.obtain_formatted_data()
    train_data_num, valid_data_num = len(train_data), len(valid_data)

    model = MS_Pointer(args, word2index=data_loader.word2index, char2index=data_loader.char2index,
                       device=device).to(device)
    train_state = {"word2index": data_loader.word2index, "char2index": data_loader.char2index}

    optimizer = optim.Adam(model.parameters(), args.lr)
    train_state["optimizer"] = optimizer.state_dict()

    lr_scheduler = None
    if args.flag_lr_schedule:
        lr_scheduler = ReduceLROnPlateau(optimizer, 'min', factor=0.9, patience=args.lr_patience, verbose=True)
        train_state["lr_scheduler"] = lr_scheduler.state_dict()

    writer = SummaryWriter(log_dir=args.log_dir, comment="Logs For MS-Pointer Network")

    logger.info(color("Start Training \n", 1))
    train_start_time = time.time()
    
    for epoch in range(args.max_epoch):
        hardware_info_printer()

        epoch_start_time = time.time()
        train_data_batchs = data_loader.get_batch_data(train_data, with_target=True, batch_size=args.batch_size,
                                                       shuffle=True, device=device)
        valid_data_batchs = data_loader.get_batch_data(valid_data, with_target=True, batch_size=args.batch_size,
                                                       device=device)

        total_train_loss = 0.0
        tqdm_generator = tqdm(train_data_batchs, ncols=100)
        for idx, batch in enumerate(tqdm_generator):
            batch_start_time = time.time()
            # set model.training as 'True' to updating running variables for 'Dropout' and 'Normalization'.
            model.train()
            optimizer.zero_grad()

            train_loss = model.get_batch_loss(batch)
            loss = train_loss["mean_loss"]
            
            if torch.isnan(loss):
                raise ValueError("\n\n\033[31m%s\033[0m\n\n" % "【CAUTION】NAN LOSS ENCOUNTERED!")

            loss.backward()
            if args.flag_clip_grad and args.grad_norm > 0:
                nn.utils.clip_grad_norm_(model.parameters(), max_norm=args.grad_norm, norm_type=2)
            optimizer.step()
            
            total_train_loss += train_loss["batch_loss"].detach().cpu().item()
            
            batch_elapsed_time = round(time.time() - batch_start_time, 2)
            
            info = color("[Train] ", 1) + "Epoch:" + color(epoch, 2) + " Batch:" + color(idx, 2) + " Loss:" + \
                   color(round(loss.detach().cpu().item(), 5), 1) + " Time:" + color(batch_elapsed_time, 2)
            tqdm_generator.set_description(desc=info, refresh=True)
            
        valid_start_time = time.time()
        total_valid_loss, mean_blue_score, valid_tokens, valid_probs = model.validation(valid_data_batchs,
                                                                                        need_pred_result=True)
        mean_valid_loss = total_valid_loss / valid_data_num if valid_data_num else 0.0
        mean_train_loss = total_train_loss / train_data_num

        writer.add_scalar(tag="scalar/train_loss", scalar_value=mean_train_loss, global_step=epoch)
        writer.add_scalar(tag="scalar/valid_loss", scalar_value=mean_valid_loss, global_step=epoch)
        writer.add_scalar(tag="scalar/valid_bleu", scalar_value=mean_blue_score, global_step=epoch)

        current_lr = optimizer.state_dict()['param_groups'][0]['lr']
        if args.flag_lr_schedule:
            lr_scheduler.step(mean_valid_loss)

        date = datetime.datetime.now().strftime('%Y-%m-%d')
        torch.save(model.state_dict(), f"../model/model_state_{date}_{str(epoch)}.pt")
        
        valid_elapsed_time = round(time.time() - valid_start_time, 2)
        epoch_elapsed_time = round(time.time() - epoch_start_time, 2)
        total_elapsed_time = round(time.time() - train_start_time, 2)

        epoch_info_printer(epoch=epoch, mean_loss=mean_train_loss, epoch_time=epoch_elapsed_time,
                           total_time=total_elapsed_time, lr=current_lr, train_samples=train_data_num, 
                           valid_samples=valid_data_num, valid_loss=mean_valid_loss, mean_blue=mean_blue_score, 
                           valid_time=valid_elapsed_time)

    logger.info(color("Training Task Completed! \n\n", 1))