Esempio n. 1
0
def main(test_input_dir, model_filepath, result_save_dir):
    #Create dataloaders.
    test_dataset = create_dataset(test_input_dir,
                                  num_examples=-1,
                                  num_options=20)
    test_dataloader = DataLoader(test_dataset,
                                 batch_size=4,
                                 shuffle=False,
                                 drop_last=True)

    #Create a classifier model.
    logger.info("Load model parameters from {}.".format(model_filepath))
    classifier_model = LinearClassifier.from_pretrained(
        "cl-tohoku/bert-base-japanese-whole-word-masking")
    classifier_model.to(device)

    parameters = None
    if torch.cuda.is_available():
        parameters = torch.load(model_filepath)
    else:
        parameters = torch.load(model_filepath,
                                map_location=torch.device("cpu"))

    classifier_model.load_state_dict(parameters)

    #Create a directory to save the results in.
    os.makedirs(result_save_dir, exist_ok=True)

    logger.info("Start model evaluation.")
    pred_labels, correct_labels, accuracy = evaluate(classifier_model,
                                                     test_dataloader)
    logger.info("Accuracy: {}".format(accuracy))

    #Save results as text files.
    res_filepath = os.path.join(result_save_dir, "result_eval.txt")
    labels_filepath = os.path.join(result_save_dir, "labels_eval.txt")

    with open(res_filepath, "w") as w:
        w.write("Accuracy: {}\n".format(accuracy))

    with open(labels_filepath, "w") as w:
        for pred_label, correct_label in zip(pred_labels, correct_labels):
            w.write("{} {}\n".format(pred_label, correct_label))

    logger.info("Finished model evaluation.")
def main(test_input_dir, bert_model_dir, parameters_dir, test_upper_bound,
         result_save_dir):
    #Create dataloaders.
    test_dataset = create_dataset(test_input_dir,
                                  num_examples=-1,
                                  num_options=20)
    test_dataloader = DataLoader(test_dataset,
                                 batch_size=4,
                                 shuffle=False,
                                 drop_last=True)

    #Create a classifier model.
    logger.info("Create a classifier model from {}.".format(bert_model_dir))

    classifier_model = None
    if bert_model_dir == "USE_DEFAULT":
        classifier_model = LinearClassifier.from_pretrained(
            "cl-tohoku/bert-base-japanese-whole-word-masking")
    else:
        config_filepath = os.path.join(bert_model_dir, "bert_config.json")
        bert_model_filepath = os.path.join(bert_model_dir, "pytorch_model.bin")

        bert_config = BertConfig.from_pretrained(bert_model_dir)
        #logger.info(bert_config)
        classifier_model = LinearClassifier.from_pretrained(
            bert_model_filepath, config=bert_config)

    classifier_model.to(device)

    logger.info("Start model evaluation.")
    for i in range(test_upper_bound):
        parameters = None
        parameters_filepath = os.path.join(parameters_dir,
                                           "checkpoint_{}.pt".format(i + 1))

        logger.info(
            "Load model parameters from {}.".format(parameters_filepath))

        if torch.cuda.is_available():
            parameters = torch.load(parameters_filepath)
        else:
            parameters = torch.load(parameters_filepath,
                                    map_location=torch.device("cpu"))

        classifier_model.load_state_dict(parameters)

        #Create a directory to save the results in.
        os.makedirs(result_save_dir, exist_ok=True)

        pred_labels, correct_labels, accuracy = evaluate(
            classifier_model, test_dataloader)
        logger.info("Accuracy: {}".format(accuracy))

        #Save results as text files.
        res_filepath = os.path.join(result_save_dir,
                                    "result_test_{}.txt".format(i + 1))
        labels_filepath = os.path.join(result_save_dir,
                                       "labels_test_{}.txt".format(i + 1))

        with open(res_filepath, "w") as w:
            w.write("Accuracy: {}\n".format(accuracy))

        with open(labels_filepath, "w") as w:
            for pred_label, correct_label in zip(pred_labels, correct_labels):
                w.write("{} {}\n".format(pred_label, correct_label))

    logger.info("Finished model evaluation.")
def main(batch_size, num_epochs, lr, bert_model_dir_1,
         finetuned_model_filepath_1, train_input_dir_1, dev1_input_dir_1,
         bert_model_dir_2, finetuned_model_filepath_2, train_input_dir_2,
         dev1_input_dir_2, result_save_dir):
    logger.info("batch_size: {} num_epochs: {} lr: {}".format(
        batch_size, num_epochs, lr))

    #Create dataloaders.
    logger.info("Create train dataloader from {}.".format(train_input_dir_1))
    train_dataset_1 = create_dataset(train_input_dir_1,
                                     num_examples=-1,
                                     num_options=20)
    train_sampler_1 = RandomSampler(train_dataset_1).set_seed(SEED)
    train_dataloader_1 = DataLoader(train_dataset_1,
                                    batch_size=batch_size,
                                    sampler=train_sampler_1,
                                    drop_last=True)

    logger.info("Create train dataloader from {}.".format(train_input_dir_2))
    train_dataset_2 = create_dataset(train_input_dir_2,
                                     num_examples=-1,
                                     num_options=20)
    train_sampler_2 = RandomSampler(train_dataset_2).set_seed(SEED)
    train_dataloader_2 = DataLoader(train_dataset_2,
                                    batch_size=batch_size,
                                    sampler=train_sampler_2,
                                    drop_last=True)

    logger.info("Create dev1 dataloader from {}.".format(dev1_input_dir_1))
    dev1_dataset_1 = create_dataset(dev1_input_dir_1,
                                    num_examples=-1,
                                    num_options=20)
    dev1_dataloader_1 = DataLoader(dev1_dataset_1,
                                   batch_size=4,
                                   shuffle=False,
                                   drop_last=True)

    logger.info("Create dev1 dataloader from {}.".format(dev1_input_dir_2))
    dev1_dataset_2 = create_dataset(dev1_input_dir_2,
                                    num_examples=-1,
                                    num_options=20)
    dev1_dataloader_2 = DataLoader(dev1_dataset_2,
                                   batch_size=4,
                                   shuffle=False,
                                   drop_last=True)

    #Create a classifier model.
    classifier_model = DoubleLinearClassifier(20)
    classifier_model.to(device)

    lc_model_1 = None
    if bert_model_dir_1 == "USE_DEFAULT":
        lc_model_1 = LinearClassifier.from_pretrained(
            "cl-tohoku/bert-base-japanese-whole-word-masking")
    else:
        config_filepath = os.path.join(bert_model_dir_1, "bert_config.json")
        bert_model_filepath = os.path.join(bert_model_dir_1,
                                           "pytorch_model.bin")

        bert_config = BertConfig.from_pretrained(bert_model_dir_1)
        logger.info(bert_config)
        lc_model_1 = LinearClassifier.from_pretrained(bert_model_filepath,
                                                      config=bert_config)

    lc_model_2 = None
    if bert_model_dir_2 == "USE_DEFAULT":
        lc_model_2 = LinearClassifier.from_pretrained(
            "cl-tohoku/bert-base-japanese-whole-word-masking")
    else:
        config_filepath = os.path.join(bert_model_dir_2, "bert_config.json")
        bert_model_filepath = os.path.join(bert_model_dir_2,
                                           "pytorch_model.bin")

        bert_config = BertConfig.from_pretrained(bert_model_dir_2)
        logger.info(bert_config)
        lc_model_2 = LinearClassifier.from_pretrained(bert_model_filepath,
                                                      config=bert_config)

    logger.info("Load model parameters from {} and {}.".format(
        finetuned_model_filepath_1, finetuned_model_filepath_2))
    lc_model_1.load_state_dict(
        torch.load(finetuned_model_filepath_1, map_location=device))
    lc_model_2.load_state_dict(
        torch.load(finetuned_model_filepath_2, map_location=device))

    lc_model_1.to(device)
    lc_model_2.to(device)

    #Create an optimizer.
    optimizer = optim.AdamW(classifier_model.parameters(), lr=lr)

    #Create a directory to save the results in.
    os.makedirs(result_save_dir, exist_ok=True)

    logger.info("Start model training.")
    for epoch in range(num_epochs):
        logger.info("===== Epoch {}/{} =====".format(epoch + 1, num_epochs))

        mean_loss = train(classifier_model, lc_model_1, lc_model_2, optimizer,
                          train_dataloader_1, train_dataloader_2)
        logger.info("Mean loss: {}".format(mean_loss))

        #Save model parameters.
        checkpoint_filepath = os.path.join(
            result_save_dir, "checkpoint_{}.pt".format(epoch + 1))
        torch.save(classifier_model.state_dict(), checkpoint_filepath)

        pred_labels, correct_labels, accuracy = evaluate(
            classifier_model, lc_model_1, lc_model_2, dev1_dataloader_1,
            dev1_dataloader_2)
        logger.info("Accuracy: {}".format(accuracy))

        #Save results as text files.
        res_filepath = os.path.join(result_save_dir,
                                    "result_eval_{}.txt".format(epoch + 1))
        labels_filepath = os.path.join(result_save_dir,
                                       "labels_eval_{}.txt".format(epoch + 1))

        with open(res_filepath, "w") as w:
            w.write("Accuracy: {}\n".format(accuracy))

        with open(labels_filepath, "w") as w:
            for pred_label, correct_label in zip(pred_labels, correct_labels):
                w.write("{} {}\n".format(pred_label, correct_label))

    logger.info("Finished model training.")
Esempio n. 4
0
def main(batch_size, num_epochs, lr, bert_model_dir, train_input_dir,
         dev1_input_dir, result_save_dir):
    logger.info("batch_size: {} num_epochs: {} lr: {}".format(
        batch_size, num_epochs, lr))

    #Create dataloaders.
    logger.info("Create train dataloader from {}.".format(train_input_dir))
    train_dataset = create_dataset(train_input_dir,
                                   num_examples=-1,
                                   num_options=4)
    train_dataloader = DataLoader(train_dataset,
                                  batch_size=batch_size,
                                  shuffle=True,
                                  drop_last=True)

    logger.info("Create dev1 dataloader from {}.".format(dev1_input_dir))
    dev1_dataset = create_dataset(dev1_input_dir,
                                  num_examples=-1,
                                  num_options=20)
    dev1_dataloader = DataLoader(dev1_dataset,
                                 batch_size=4,
                                 shuffle=False,
                                 drop_last=True)

    #Create a classifier model.
    logger.info("Create a classifier model from {}.".format(bert_model_dir))

    classifier_model = None
    if bert_model_dir == "USE_DEFAULT":
        classifier_model = LinearClassifier.from_pretrained(
            "cl-tohoku/bert-base-japanese-whole-word-masking")
    else:
        config_filepath = os.path.join(bert_model_dir, "bert_config.json")
        bert_model_filepath = os.path.join(bert_model_dir, "pytorch_model.bin")

        bert_config = BertConfig.from_pretrained(bert_model_dir)
        logger.info(bert_config)
        classifier_model = LinearClassifier.from_pretrained(
            bert_model_filepath, config=bert_config)

    classifier_model.to(device)

    #Create an optimizer and a scheduler.
    optimizer = AdamW(classifier_model.parameters(), lr=lr)
    total_steps = len(train_dataloader) * num_epochs
    scheduler = get_linear_schedule_with_warmup(optimizer,
                                                num_warmup_steps=0,
                                                num_training_steps=total_steps)

    #Create a directory to save the results in.
    os.makedirs(result_save_dir, exist_ok=True)

    logger.info("Start model training.")
    for epoch in range(num_epochs):
        logger.info("===== Epoch {}/{} =====".format(epoch + 1, num_epochs))

        mean_loss = train(classifier_model, optimizer, scheduler,
                          train_dataloader)
        logger.info("Mean loss: {}".format(mean_loss))

        #Save model parameters.
        checkpoint_filepath = os.path.join(
            result_save_dir, "checkpoint_{}.pt".format(epoch + 1))
        torch.save(classifier_model.state_dict(), checkpoint_filepath)

        pred_labels, correct_labels, accuracy = evaluate(
            classifier_model, dev1_dataloader)
        logger.info("Accuracy: {}".format(accuracy))

        #Save results as text files.
        res_filepath = os.path.join(result_save_dir,
                                    "result_eval_{}.txt".format(epoch + 1))
        labels_filepath = os.path.join(result_save_dir,
                                       "labels_eval_{}.txt".format(epoch + 1))

        with open(res_filepath, "w") as w:
            w.write("Accuracy: {}\n".format(accuracy))

        with open(labels_filepath, "w") as w:
            for pred_label, correct_label in zip(pred_labels, correct_labels):
                w.write("{} {}\n".format(pred_label, correct_label))

    logger.info("Finished model training.")