Beispiel #1
0
def main(args):
    dataset_config = Config(args.dataset_config)
    model_config = Config(args.model_config)

    exp_dir = Path("experiments") / model_config.type
    exp_dir = exp_dir.joinpath(
        f"epochs_{args.epochs}_batch_size_{args.batch_size}_learning_rate_{args.learning_rate}"
    )

    preprocessor = get_preprocessor(dataset_config, coarse_split_fn=split_morphs, fine_split_fn=split_jamos)

    # model (restore)
    checkpoint_manager = CheckpointManager(exp_dir)
    checkpoint = checkpoint_manager.load_checkpoint("best.tar")
    model = SAN(model_config.num_classes, preprocessor.coarse_vocab, preprocessor.fine_vocab,
                model_config.fine_embedding_dim, model_config.hidden_dim, model_config.multi_step,
                model_config.prediction_drop_ratio)
    model.load_state_dict(checkpoint["model_state_dict"])

    # evaluation
    filepath = getattr(dataset_config, args.data)
    ds = Corpus(filepath, preprocessor.preprocess)
    dl = DataLoader(ds, batch_size=args.batch_size, num_workers=4, collate_fn=batchify)

    device = torch.device("cuda") if torch.cuda.is_available() else torch.device("cpu")
    model.to(device)

    summary_manager = SummaryManager(exp_dir)
    summary = evaluate(model, dl, {"loss": log_loss, "acc": acc}, device)

    summary_manager.load("summary.json")
    summary_manager.update({f"{args.data}": summary})
    summary_manager.save("summary.json")

    print(f"loss: {summary['loss']:.3f}, acc: {summary['acc']:.2%}")
Beispiel #2
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def main(json_path):
    cwd = Path.cwd()
    with open(cwd / json_path) as io:
        params = json.loads(io.read())

    # tokenizer
    vocab_path = params['filepath'].get('vocab')
    with open(cwd / vocab_path, mode='rb') as io:
        vocab = pickle.load(io)
    tokenizer = Tokenizer(vocab=vocab, split_fn=MeCab().morphs)

    # model (restore)
    save_path = cwd / params['filepath'].get('ckpt')
    ckpt = torch.load(save_path)
    num_classes = params['model'].get('num_classes')
    lstm_hidden_dim = params['model'].get('lstm_hidden_dim')
    hidden_dim = params['model'].get('hidden_dim')
    da = params['model'].get('da')
    r = params['model'].get('r')
    model = SAN(num_classes=num_classes,
                lstm_hidden_dim=lstm_hidden_dim,
                hidden_dim=hidden_dim,
                da=da,
                r=r,
                vocab=tokenizer.vocab)
    model.load_state_dict(ckpt['model_state_dict'])

    # evaluation
    batch_size = params['training'].get('batch_size')
    tr_path = cwd / params['filepath'].get('tr')
    val_path = cwd / params['filepath'].get('val')
    tr_ds = Corpus(tr_path, tokenizer.split_and_transform)
    tr_dl = DataLoader(tr_ds,
                       batch_size=batch_size,
                       num_workers=4,
                       collate_fn=batchify)
    val_ds = Corpus(val_path, tokenizer.split_and_transform)
    val_dl = DataLoader(val_ds,
                        batch_size=batch_size,
                        num_workers=4,
                        collate_fn=batchify)

    device = torch.device(
        'cuda') if torch.cuda.is_available() else torch.device('cpu')
    model.to(device)

    tr_acc = get_accuracy(model, tr_dl, device)
    val_acc = get_accuracy(model, val_dl, device)

    print('tr_acc: {:.2%}, val_acc: {:.2%}'.format(tr_acc, val_acc))
Beispiel #3
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def main(args):
    dataset_config = Config(args.dataset_config)
    model_config = Config(args.model_config)

    exp_dir = Path("experiments") / model_config.type
    exp_dir = exp_dir.joinpath(
        f"epochs_{args.epochs}_batch_size_{args.batch_size}_learning_rate_{args.learning_rate}"
    )

    tokenizer = get_tokenizer(dataset_config)

    # model (restore)
    checkpoint_manager = CheckpointManager(exp_dir)
    checkpoint = checkpoint_manager.load_checkpoint("best.tar")
    model = SAN(num_classes=model_config.num_classes,
                lstm_hidden_dim=model_config.lstm_hidden_dim,
                da=model_config.da,
                r=model_config.r,
                hidden_dim=model_config.hidden_dim,
                vocab=tokenizer.vocab)
    model.load_state_dict(checkpoint["model_state_dict"])

    # evaluation
    filepath = getattr(dataset_config, args.data)
    ds = Corpus(filepath, tokenizer.split_and_transform)
    dl = DataLoader(ds,
                    batch_size=args.batch_size,
                    num_workers=4,
                    collate_fn=batchify)

    device = torch.device(
        "cuda") if torch.cuda.is_available() else torch.device("cpu")
    model.to(device)

    summary_manager = SummaryManager(exp_dir)
    summary = evaluate(model, dl, {
        "loss": nn.CrossEntropyLoss(),
        "acc": acc
    }, device)

    summary_manager.load("summary.json")
    summary_manager.update({f"{args.data}": summary})
    summary_manager.save("summary.json")

    print("loss: {:.3f}, acc: {:.2%}".format(summary["loss"], summary["acc"]))
Beispiel #4
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if __name__ == '__main__':
    args = parser.parse_args()
    data_dir = Path(args.data_dir)
    model_dir = Path(args.model_dir)
    data_config = Config(json_path=data_dir / 'config.json')
    model_config = Config(json_path=model_dir / 'config.json')

    # tokenizer
    with open(data_config.vocab, mode='rb') as io:
        vocab = pickle.load(io)
    tokenizer = Tokenizer(vocab=vocab, split_fn=MeCab().morphs)

    # model
    model = SAN(num_classes=model_config.num_classes,
                lstm_hidden_dim=model_config.lstm_hidden_dim,
                da=model_config.da,
                r=model_config.r,
                hidden_dim=model_config.hidden_dim,
                vocab=tokenizer.vocab)

    # training
    tr_ds = Corpus(data_config.train, tokenizer.split_and_transform)
    tr_dl = DataLoader(tr_ds,
                       batch_size=model_config.batch_size,
                       shuffle=True,
                       num_workers=4,
                       drop_last=True,
                       collate_fn=batchify)
    val_ds = Corpus(data_config.validation, tokenizer.split_and_transform)
    val_dl = DataLoader(val_ds,
                        batch_size=model_config.batch_size,
                        num_workers=4,
    model_dir = Path(args.model_dir)
    data_config = Config(data_dir / "config.json")
    model_config = Config(model_dir / "config.json")

    # tokenizer
    with open(data_config.vocab, mode="rb") as io:
        vocab = pickle.load(io)
    tokenizer = Tokenizer(vocab, split_morphs)

    # model (restore)
    checkpoint_manager = CheckpointManager(model_dir)
    checkpoint = checkpoint_manager.load_checkpoint("best.tar")
    model = SAN(
        num_classes=model_config.num_classes,
        lstm_hidden_dim=model_config.lstm_hidden_dim,
        hidden_dim=model_config.hidden_dim,
        da=model_config.da,
        r=model_config.r,
        vocab=tokenizer.vocab,
    )
    model.load_state_dict(checkpoint["model_state_dict"])

    # evaluation
    filepath = getattr(data_config, args.dataset)
    ds = Corpus(filepath, tokenizer.split_and_transform)
    dl = DataLoader(
        ds, batch_size=model_config.batch_size, num_workers=4, collate_fn=batchify
    )

    device = torch.device("cuda") if torch.cuda.is_available() else torch.device("cpu")
    model.to(device)
Beispiel #6
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def main(json_path):
    cwd = Path.cwd()
    with open(cwd / json_path) as io:
        params = json.loads(io.read())

    # tokenizer
    vocab_path = params['filepath'].get('vocab')
    with open(cwd / vocab_path, mode='rb') as io:
        vocab = pickle.load(io)
    tokenizer = Tokenizer(vocab=vocab, split_fn=MeCab().morphs)

    # model
    num_classes = params['model'].get('num_classes')
    lstm_hidden_dim = params['model'].get('lstm_hidden_dim')
    hidden_dim = params['model'].get('hidden_dim')
    da = params['model'].get('da')
    r = params['model'].get('r')
    model = SAN(num_classes=num_classes,
                lstm_hidden_dim=lstm_hidden_dim,
                hidden_dim=hidden_dim,
                da=da,
                r=r,
                vocab=tokenizer.vocab)

    # training
    epochs = params['training'].get('epochs')
    batch_size = params['training'].get('batch_size')
    learning_rate = params['training'].get('learning_rate')
    global_step = params['training'].get('global_step')

    tr_path = cwd / params['filepath'].get('tr')
    val_path = cwd / params['filepath'].get('val')
    tr_ds = Corpus(tr_path, tokenizer.split_and_transform)
    tr_dl = DataLoader(tr_ds,
                       batch_size=batch_size,
                       shuffle=True,
                       num_workers=4,
                       drop_last=True,
                       collate_fn=batchify)
    val_ds = Corpus(val_path, tokenizer.split_and_transform)
    val_dl = DataLoader(val_ds,
                        batch_size=batch_size,
                        num_workers=4,
                        collate_fn=batchify)

    loss_fn = nn.CrossEntropyLoss()
    opt = optim.Adam(params=model.parameters(), lr=learning_rate)
    scheduler = ReduceLROnPlateau(opt, patience=5)
    device = torch.device(
        'cuda') if torch.cuda.is_available() else torch.device('cpu')
    model.to(device)

    writer = SummaryWriter('./runs/{}'.format(params['version']))
    for epoch in tqdm(range(epochs), desc='epochs'):

        tr_loss = 0

        model.train()
        for step, mb in tqdm(enumerate(tr_dl), desc='steps', total=len(tr_dl)):
            queries_a_mb, queries_b_mb, y_mb = map(lambda elm: elm.to(device),
                                                   mb)
            queries_mb = (queries_a_mb, queries_b_mb)

            opt.zero_grad()
            score, queries_a_attn_mat, queries_b_attn_mat = model(queries_mb)
            a_reg = regularize(queries_a_attn_mat, r, device)
            b_reg = regularize(queries_b_attn_mat, r, device)
            mb_loss = loss_fn(score, y_mb)
            mb_loss.add_(a_reg)
            mb_loss.add_(b_reg)
            mb_loss.backward()
            opt.step()

            tr_loss += mb_loss.item()

            if (epoch * len(tr_dl) + step) % global_step == 0:
                val_loss = evaluate(model, val_dl, loss_fn, device)
                writer.add_scalars('loss', {
                    'train': tr_loss / (step + 1),
                    'validation': val_loss
                },
                                   epoch * len(tr_dl) + step)
                model.train()
        else:
            tr_loss /= (step + 1)

        val_loss = evaluate(model, val_dl, loss_fn, device)
        scheduler.step(val_loss)
        tqdm.write('epoch : {}, tr_loss : {:.3f}, val_loss : {:.3f}'.format(
            epoch + 1, tr_loss, val_loss))

    ckpt = {
        'model_state_dict': model.state_dict(),
        'opt_state_dict': opt.state_dict()
    }

    save_path = cwd / params['filepath'].get('ckpt')
    torch.save(ckpt, save_path)
Beispiel #7
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def main(args):
    dataset_config = Config(args.dataset_config)
    model_config = Config(args.model_config)

    exp_dir = Path("experiments") / model_config.type
    exp_dir = exp_dir.joinpath(
        f"epochs_{args.epochs}_batch_size_{args.batch_size}_learning_rate_{args.learning_rate}"
    )

    if not exp_dir.exists():
        exp_dir.mkdir(parents=True)

    if args.fix_seed:
        torch.manual_seed(777)
        torch.backends.cudnn.deterministic = True
        torch.backends.cudnn.benchmark = False

    tokenizer = get_tokenizer(dataset_config)
    tr_dl, val_dl = get_data_loaders(dataset_config,
                                     tokenizer,
                                     args.batch_size,
                                     collate_fn=batchify)
    model = SAN(num_classes=model_config.num_classes,
                lstm_hidden_dim=model_config.lstm_hidden_dim,
                hidden_dim=model_config.hidden_dim,
                da=model_config.da,
                r=model_config.r,
                vocab=tokenizer.vocab)

    loss_fn = nn.CrossEntropyLoss()
    opt = optim.Adam(model.parameters(), lr=args.learning_rate)

    device = torch.device(
        "cuda") if torch.cuda.is_available() else torch.device("cpu")
    model.to(device)

    writer = SummaryWriter(f"{exp_dir}/runs")
    checkpoint_manager = CheckpointManager(exp_dir)
    summary_manager = SummaryManager(exp_dir)
    best_val_loss = 1e10

    for epoch in tqdm(range(args.epochs), desc="epochs"):

        tr_loss = 0
        tr_acc = 0

        model.train()
        for step, mb in tqdm(enumerate(tr_dl), desc="steps", total=len(tr_dl)):
            qa_mb, qb_mb, y_mb = map(lambda elm: elm.to(device), mb)
            opt.zero_grad()
            q_mb = (qa_mb, qb_mb)

            opt.zero_grad()
            y_hat_mb, qa_attn_mat, qb_attn_mat = model(q_mb)
            a_reg = regularize(qa_attn_mat, model_config.r, device)
            b_reg = regularize(qb_attn_mat, model_config.r, device)
            mb_loss = loss_fn(y_hat_mb, y_mb)
            mb_loss.add_(a_reg)
            mb_loss.add_(b_reg)
            mb_loss.backward()
            opt.step()

            with torch.no_grad():
                mb_acc = acc(y_hat_mb, y_mb)

            tr_loss += mb_loss.item()
            tr_acc += mb_acc.item()

            if (epoch * len(tr_dl) + step) % args.summary_step == 0:
                val_loss = evaluate(model, val_dl, {"loss": loss_fn},
                                    device)["loss"]
                writer.add_scalars("loss", {
                    "train": tr_loss / (step + 1),
                    "test": val_loss
                },
                                   epoch * len(tr_dl) + step)
                model.train()
        else:
            tr_loss /= step + 1
            tr_acc /= step + 1

            tr_summary = {"loss": tr_loss, "acc": tr_acc}
            val_summary = evaluate(model, val_dl, {
                "loss": loss_fn,
                "acc": acc
            }, device)
            tqdm.write(
                f"epoch: {epoch+1}\n"
                f"tr_loss: {tr_summary['loss']:.3f}, val_loss: {val_summary['loss']:.3f}\n"
                f"tr_acc: {tr_summary['acc']:.2%}, val_acc: {val_summary['acc']:.2%}"
            )

            val_loss = val_summary["loss"]
            is_best = val_loss < best_val_loss

            if is_best:
                state = {
                    "epoch": epoch + 1,
                    "model_state_dict": model.state_dict(),
                    "opt_state_dict": opt.state_dict()
                }
                summary = {"train": tr_summary, "validation": val_summary}

                summary_manager.update(summary)
                summary_manager.save("summary.json")
                checkpoint_manager.save_checkpoint(state, "best.tar")

                best_val_loss = val_loss
Beispiel #8
0
def main(args):
    dataset_config = Config(args.dataset_config)
    model_config = Config(args.model_config)

    exp_dir = Path("experiments") / model_config.type
    exp_dir = exp_dir.joinpath(
        f"epochs_{args.epochs}_batch_size_{args.batch_size}_learning_rate_{args.learning_rate}"
    )

    if not exp_dir.exists():
        exp_dir.mkdir(parents=True)

    if args.fix_seed:
        torch.manual_seed(777)
        torch.backends.cudnn.deterministic = True
        torch.backends.cudnn.benchmark = False

    preprocessor = get_preprocessor(dataset_config,
                                    coarse_split_fn=split_morphs,
                                    fine_split_fn=split_jamos)
    tr_dl, val_dl = get_data_loaders(dataset_config,
                                     preprocessor,
                                     args.batch_size,
                                     collate_fn=batchify)

    # model
    model = SAN(model_config.num_classes, preprocessor.coarse_vocab,
                preprocessor.fine_vocab, model_config.fine_embedding_dim,
                model_config.hidden_dim, model_config.multi_step,
                model_config.prediction_drop_ratio)

    opt = optim.Adam(model.parameters(), lr=args.learning_rate)
    device = torch.device(
        "cuda") if torch.cuda.is_available() else torch.device("cpu")
    model.to(device)

    writer = SummaryWriter(f"{exp_dir}/runs")
    checkpoint_manager = CheckpointManager(exp_dir)
    summary_manager = SummaryManager(exp_dir)
    best_val_loss = 1e10

    for epoch in tqdm(range(args.epochs), desc="epochs"):

        tr_loss = 0
        tr_acc = 0

        model.train()
        for step, mb in tqdm(enumerate(tr_dl), desc="steps", total=len(tr_dl)):
            qa_mb, qb_mb, y_mb = map(
                lambda elm: (el.to(device) for el in elm)
                if isinstance(elm, tuple) else elm.to(device), mb)
            opt.zero_grad()
            y_hat_mb = model((qa_mb, qb_mb))
            mb_loss = log_loss(y_hat_mb, y_mb)
            mb_loss.backward()
            opt.step()

            with torch.no_grad():
                mb_acc = acc(y_hat_mb, y_mb)

            tr_loss += mb_loss.item()
            tr_acc += mb_acc.item()

            if (epoch * len(tr_dl) + step) % args.summary_step == 0:
                val_loss = evaluate(model, val_dl, {"loss": log_loss},
                                    device)["loss"]
                writer.add_scalars("loss", {
                    "train": tr_loss / (step + 1),
                    "val": val_loss
                },
                                   epoch * len(tr_dl) + step)
                model.train()
        else:
            tr_loss /= step + 1
            tr_acc /= step + 1

            tr_summary = {"loss": tr_loss, "acc": tr_acc}
            val_summary = evaluate(model, val_dl, {
                "loss": log_loss,
                "acc": acc
            }, device)
            tqdm.write(
                f"epoch: {epoch+1}\n"
                f"tr_loss: {tr_summary['loss']:.3f}, val_loss: {val_summary['loss']:.3f}\n"
                f"tr_acc: {tr_summary['acc']:.2%}, val_acc: {val_summary['acc']:.2%}"
            )

            val_loss = val_summary["loss"]
            is_best = val_loss < best_val_loss

            if is_best:
                state = {
                    "epoch": epoch + 1,
                    "model_state_dict": model.state_dict(),
                    "opt_state_dict": opt.state_dict(),
                }
                summary = {"train": tr_summary, "validation": val_summary}

                summary_manager.update(summary)
                summary_manager.save("summary.json")
                checkpoint_manager.save_checkpoint(state, "best.tar")

                best_val_loss = val_loss
Beispiel #9
0
    # tokenizer
    with open(data_config.fine_vocab, mode="rb") as io:
        fine_vocab = pickle.load(io)
    with open(data_config.coarse_vocab, mode="rb") as io:
        coarse_vocab = pickle.load(io)

    preprocessor = PreProcessor(
        coarse_vocab=coarse_vocab,
        fine_vocab=fine_vocab,
        coarse_split_fn=split_morphs,
        fine_split_fn=split_jamos,
    )

    # model
    model = SAN(model_config.num_classes, coarse_vocab, fine_vocab,
                model_config.fine_embedding_dim, model_config.hidden_dim, model_config.multi_step,
                model_config.prediction_drop_ratio)

    # training
    tr_ds = Corpus(data_config.train, preprocessor.preprocess)
    tr_dl = DataLoader(
        tr_ds,
        batch_size=model_config.batch_size,
        shuffle=True,
        num_workers=4,
        drop_last=True,
        collate_fn=batchify,
    )
    val_ds = Corpus(data_config.validation, preprocessor.preprocess)
    val_dl = DataLoader(
        val_ds, batch_size=model_config.batch_size, num_workers=4, collate_fn=batchify
Beispiel #10
0
        fine_vocab = pickle.load(io)
    with open(data_config.coarse_vocab, mode="rb") as io:
        coarse_vocab = pickle.load(io)

    preprocessor = PreProcessor(
        coarse_vocab=coarse_vocab,
        fine_vocab=fine_vocab,
        coarse_split_fn=split_morphs,
        fine_split_fn=split_jamos,
    )

    # model (restore)
    checkpoint_manager = CheckpointManager(model_dir)
    checkpoint = checkpoint_manager.load_checkpoint("best.tar")
    model = SAN(model_config.num_classes, coarse_vocab, fine_vocab,
                model_config.fine_embedding_dim, model_config.hidden_dim,
                model_config.multi_step, model_config.prediction_drop_ratio)
    model.load_state_dict(checkpoint["model_state_dict"])

    # evaluation
    filepath = getattr(data_config, args.dataset)
    ds = Corpus(filepath, preprocessor.preprocess)
    dl = DataLoader(ds,
                    batch_size=model_config.batch_size,
                    num_workers=4,
                    collate_fn=batchify)

    device = torch.device(
        "cuda") if torch.cuda.is_available() else torch.device("cpu")
    model.to(device)