Esempio n. 1
0
    SAVING_DIR = '../models/'
    tokenizer = BertTokenizer.from_pretrained(
        '/home/zydq/.torch/models/bert/chinese-bert_chinese_wwm_pytorch',
        do_lower_case=True)
    train_loader, val_loader = get_data_loaders(
        rv_path='../data/TRAIN/Train_reviews.csv',
        lb_path='../data/TRAIN/Train_labels.csv',
        tokenizer=tokenizer,
        batch_size=12,
        val_split=0.15)

    model = OpinioNet.from_pretrained(
        '/home/zydq/.torch/models/bert/chinese-bert_chinese_wwm_pytorch')
    model.cuda()
    optimizer = Adam(model.parameters(), lr=5e-6)
    scheduler = GradualWarmupScheduler(optimizer, total_epoch=2)
    best_val_f1 = 0
    best_val_loss = float('inf')
    for e in range(EP):

        print('Epoch [%d/%d] train:' % (e, EP))
        train_loss, train_f1, train_pr, train_rc = train_epoch(
            model, train_loader, optimizer, scheduler)
        print("loss %.5f, f1 %.5f, pr %.5f, rc %.5f" %
              (train_loss, train_f1, train_pr, train_rc))

        print('Epoch [%d/%d] eval:' % (e, EP))
        val_loss, val_f1, val_pr, val_rc = eval_epoch(model, val_loader)
        print("loss %.5f, f1 %.5f, pr %.5f, rc %.5f" %
              (val_loss, val_f1, val_pr, val_rc))
        if val_loss < best_val_loss:
Esempio n. 2
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        tokenizer=tokenizer,
        batch_size=args.bs,
        type='laptop',
        folds=FOLDS)

    BEST_THRESHS = [0.1] * FOLDS
    BEST_F1 = [0] * FOLDS
    for cv_idx, (train_loader, val_loader) in enumerate(cv_loaders):
        model = OpinioNet.from_pretrained(model_config['path'],
                                          version=model_config['version'],
                                          focal=model_config['focal'])
        model.load_state_dict(
            torch.load('../models/pretrained_' + model_config['name']))
        model.cuda()
        optimizer = Adam(model.parameters(), lr=model_config['lr'])
        scheduler = GradualWarmupScheduler(optimizer,
                                           total_epoch=10 * len(train_loader))
        best_val_f1 = 0
        best_val_loss = float('inf')

        for e in range(EP):

            print('Epoch [%d/%d] train:' % (e, EP))
            train_loss, train_f1, train_pr, train_rc = train_epoch(
                model, train_loader, optimizer, scheduler, type='laptop')
            print("train: loss %.5f, f1 %.5f, pr %.5f, rc %.5f" %
                  (train_loss, train_f1, train_pr, train_rc))

            print('Epoch [%d/%d] eval:' % (e, EP))
            val_loss, val_f1, val_pr, val_rc, best_th = eval_epoch(
                model, val_loader, type='laptop')
            print("val: loss %.5f, f1 %.5f, pr %.5f, rc %.5f, thresh %.2f" %
Esempio n. 3
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	EP = 100
	SAVING_DIR = '../models/'
	tokenizer = BertTokenizer.from_pretrained('/home/zydq/.torch/models/bert/chinese_roberta_wwm_ext_L-12_H-768_A-12',
											  do_lower_case=True)
	# tokenizer = BertTokenizer.from_pretrained('/home/zydq/.tf/bert/chinese_roberta_wwm_ext_L-12_H-768_A-12',
	# 										  do_lower_case=True)

	makeup_train_loader, makeup_val_loader, laptop_train_loader, laptop_val_loader, corpus_loader = \
	get_data_loaders_round2(tokenizer, batch_size=12)


	model = OpinioNet.from_pretrained('/home/zydq/.torch/models/bert/chinese_roberta_wwm_ext_L-12_H-768_A-12')
	# model = OpinioNet.from_pretrained('/home/zydq/.tf/bert/chinese_roberta_wwm_ext_L-12_H-768_A-12', from_tf=True)
	model.cuda()
	optimizer = Adam(model.parameters(), lr=6e-6)
	scheduler = GradualWarmupScheduler(optimizer, total_epoch=2*max(len(makeup_train_loader), len(corpus_loader)))
	best_val_f1 = 0
	best_val_loss = float('inf')
	for e in range(EP):

		print('Epoch [%d/%d] train:' % (e, EP))
		train_loss, train_lm_loss, train_f1, train_pr, train_rc = train_epoch(model, makeup_train_loader, laptop_train_loader, corpus_loader, optimizer, scheduler)
		print("loss %.5f, lm loss %.5f f1 %.5f, pr %.5f, rc %.5f" % (train_loss, train_lm_loss, train_f1, train_pr, train_rc))

		print('Epoch [%d/%d] makeup eval:' % (e, EP))
		val_loss, val_f1, val_pr, val_rc = eval_epoch(model, makeup_val_loader, type='makeup')
		print("makeup_val: loss %.5f, f1 %.5f, pr %.5f, rc %.5f" % (val_loss, val_f1, val_pr, val_rc))

		print('Epoch [%d/%d] laptop eval:' % (e, EP))
		val_loss, val_f1, val_pr, val_rc = eval_epoch(model, laptop_val_loader, type='laptop')
		print("laptop_val: loss %.5f, f1 %.5f, pr %.5f, rc %.5f" % (val_loss, val_f1, val_pr, val_rc))