Exemplo n.º 1
0
                                                         mode='train',
                                                         model_type='rnn'),
                                               batch_size=args.train_batch,
                                               num_workers=args.workers,
                                               shuffle=True)
    #    collate_fn=data.collate_fn)

    val_loader = torch.utils.data.DataLoader(data.Data(args,
                                                       mode='val',
                                                       model_type='rnn'),
                                             batch_size=args.train_batch,
                                             num_workers=args.workers,
                                             shuffle=False)
    ''' load model '''
    print('===> prepare model ...')
    feature_extractor, RNNClassifier = model.Resnet50(), model.RNNClassifier(
        args)

    feature_extractor.cuda()
    RNNClassifier.cuda()

    clf_criterion = nn.CrossEntropyLoss()
    optimizer = torch.optim.SGD(RNNClassifier.parameters(),
                                lr=args.lr,
                                momentum=0.9)
    ''' setup tensorboard '''
    writer = SummaryWriter(os.path.join(args.save_dir, 'train_info'))

    print('===> start training ...')
    iters = 0
    best_acc = 0
    for epoch in range(1, args.epoch + 1):
Exemplo n.º 2
0
    test_data = data.sentimentDataset(vocab, csv_dataset, train=False)

    train_dataloader = DataLoader(train_data,
                                  batch_size=config.TRAIN_BATCH_SIZE,
                                  shuffle=True,
                                  collate_fn=data.collate_fn)
    test_dataloader = DataLoader(test_data,
                                 batch_size=config.TEST_BATCH_SIZE,
                                 shuffle=True,
                                 collate_fn=data.collate_fn)

    model_classifier = model.RNNClassifier(nembedding=config.DIM,
                                           hidden_size=config.HIDDEN_SIZE,
                                           num_layer=config.NUM_LAYER,
                                           dropout=config.drop_out,
                                           vocab_size=vocab.n_words,
                                           use_pretrain=False,
                                           embed_matrix=vocab.vector,
                                           embed_freeze=False,
                                           label_size=2)

    model_classifier = model.CNNClassifier(nembedding=config.DIM,
                                           vocab_size=vocab.n_words,
                                           kernel_num=3,
                                           kernel_sizes=config.kernel_sizes,
                                           label_size=2,
                                           dropout=0.3,
                                           use_pretrain=False)

    use_loaded_model = input("load model?")
    if use_loaded_model == "yes":
args.save_dir = os.path.join(
    args.save_dir,
    datetime.datetime.now().strftime('%Y-%m-%d_%H-%M-%S'))

print("\nParameters:")
for attr, value in sorted(args.__dict__.items()):
    print("\t{}={}".format(attr.upper(), value))

# model

if args.snapshot is not None:
    print('\nLoading model from {}...'.format(args.snapshot))
    classification_model = torch.load(args.snapshot)
elif args.rnn:
    classification_model = model.RNNClassifier(args.embed_num, args.embed_num,
                                               args.hidden_dim,
                                               args.rnn_layers, args.class_num)
else:
    classification_model = model.CharCNN(args.embed_num, args.embed_dim,
                                         args.class_num, args.kernel_num,
                                         args.kernel_sizes, args.dropout)

if args.cuda:
    torch.cuda.set_device(args.device)
    classification_model = classification_model.cuda()

# train or predict
if args.predict is not None:
    label = predict.predict(args.predict, classification_model, text_field,
                            label_field, args.cuda)
    print('\n[Text]  {}\n[Label] {}\n'.format(args.predict, label))