def main(exp_const, data_const, model_const):
    np.random.seed(exp_const.seed)
    torch.manual_seed(exp_const.seed)
    torch.backends.cudnn.deterministic = True
    torch.backends.cudnn.benchmark = False

    print('Creating network ...')
    model = Constants()
    model.const = model_const
    model.object_encoder = ObjectEncoder(model.const.object_encoder)
    model.cap_encoder = CapEncoder(model.const.cap_encoder)

    o_dim = model.object_encoder.const.object_feature_dim
    if exp_const.contextualize == True:
        o_dim = model.object_encoder.const.context_layer.hidden_size

    model.lang_sup_criterion = create_cap_info_nce_criterion(
        o_dim, model.object_encoder.const.object_feature_dim,
        model.cap_encoder.model.config.hidden_size,
        model.cap_encoder.model.config.hidden_size // 2,
        model.const.cap_info_nce_layers)
    if model.const.model_num != -1:
        loaded_object_encoder = torch.load(model.const.object_encoder_path)
        print('Loaded model number:', loaded_object_encoder['step'])
        model.object_encoder.load_state_dict(
            loaded_object_encoder['state_dict'])
        model.lang_sup_criterion.load_state_dict(
            torch.load(model.const.lang_sup_criterion_path)['state_dict'])
        if exp_const.random_lang is True:
            model.cap_encoder.load_state_dict(
                torch.load(model.const.cap_encoder_path)['state_dict'])

    model.object_encoder.cuda()
    model.cap_encoder.cuda()
    model.lang_sup_criterion.cuda()

    print('Creating dataloader ...')
    dataset = FlickrDataset(data_const)

    with torch.no_grad():
        results = eval_model(model, dataset, exp_const)

    filename = os.path.join(
        exp_const.exp_dir,
        f'results_{data_const.subset}_{model_const.model_num}.json')
    io.dump_json_object(results, filename)
Esempio n. 2
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def main(exp_const, data_const, model_const):
    np.random.seed(exp_const.seed)
    torch.manual_seed(exp_const.seed)
    torch.backends.cudnn.deterministic = True
    torch.backends.cudnn.benchmark = False

    io.mkdir_if_not_exists(exp_const.exp_dir, recursive=True)
    io.mkdir_if_not_exists(exp_const.log_dir)
    io.mkdir_if_not_exists(exp_const.model_dir)
    io.mkdir_if_not_exists(exp_const.vis_dir)

    print('Creating network ...')
    model = Constants()
    model.const = model_const
    model.object_encoder = ObjectEncoder(model.const.object_encoder)
    model.cap_encoder = CapEncoder(model.const.cap_encoder)

    o_dim = model.object_encoder.const.object_feature_dim
    if exp_const.contextualize == True:
        o_dim = model.object_encoder.const.context_layer.hidden_size

    model.lang_sup_criterion = create_cap_info_nce_criterion(
        o_dim, model.object_encoder.const.object_feature_dim,
        model.cap_encoder.model.config.hidden_size,
        model.cap_encoder.model.config.hidden_size // 2)

    if model.const.model_num != -1:
        print('Loading model num', model.const.model_num, '...')
        loaded_object_encoder = torch.load(model.const.object_encoder_path)
        print(loaded_object_encoder['step'])
        model.object_encoder.load_state_dict(
            loaded_object_encoder['state_dict'])
        model.lang_sup_criterion.load_state_dict(
            torch.load(model.const.lang_sup_criterion_path)['state_dict'])
    model.object_encoder.cuda()
    model.cap_encoder.cuda()
    model.lang_sup_criterion.cuda()

    print('Creating dataloader ...')
    dataset = CocoDataset(data_const)
    dataloader = DataLoader(dataset, batch_size=1, shuffle=True, num_workers=1)

    eval_model(model, dataloader, exp_const)
Esempio n. 3
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def main(exp_const,data_const,model_const):
    np.random.seed(exp_const.seed)
    torch.manual_seed(exp_const.seed)
    torch.backends.cudnn.deterministic = True
    torch.backends.cudnn.benchmark = False

    io.mkdir_if_not_exists(exp_const.exp_dir,recursive=True)
    io.mkdir_if_not_exists(exp_const.log_dir)
    io.mkdir_if_not_exists(exp_const.model_dir)
    io.mkdir_if_not_exists(exp_const.vis_dir)
    
    tb_writer = SummaryWriter(log_dir=exp_const.log_dir)
    
    model_num = model_const.model_num
    save_constants({
        f'exp_{model_num}': exp_const,
        f'data_train_{model_num}': data_const['train'],
        f'data_val_{model_num}': data_const['val'],
        f'model_{model_num}': model_const},
        exp_const.exp_dir)
    
    print('Creating network ...')
    model = Constants()
    model.const = model_const
    model.object_encoder = ObjectEncoder(model.const.object_encoder)
    model.cap_encoder = CapEncoder(model.const.cap_encoder)
    if exp_const.random_lang is True:
        model.cap_encoder.random_init()

    c_dim = model.object_encoder.const.object_feature_dim
    if exp_const.contextualize==True:
        c_dim = model.object_encoder.const.context_layer.hidden_size
    model.self_sup_criterion = create_info_nce_criterion(
        model.object_encoder.const.object_feature_dim,
        c_dim,
        model.object_encoder.const.context_layer.hidden_size)
    
    o_dim = model.object_encoder.const.object_feature_dim
    if exp_const.contextualize==True:
        o_dim = model.object_encoder.const.context_layer.hidden_size
    
    model.lang_sup_criterion = create_cap_info_nce_criterion(
        o_dim,
        model.object_encoder.const.object_feature_dim,
        model.cap_encoder.model.config.hidden_size,
        model.cap_encoder.model.config.hidden_size//2,
        model.const.cap_info_nce_layers)
    if model.const.model_num != -1:
        model.object_encoder.load_state_dict(
            torch.load(model.const.object_encoder_path)['state_dict'])
        model.self_sup_criterion.load_state_dict(
            torch.load(model.const.self_sup_criterion_path)['state_dict'])
        model.lang_sup_criterion.load_state_dict(
            torch.load(model.const.lang_sup_criterion_path)['state_dict'])
    model.object_encoder.cuda()
    model.cap_encoder.cuda()
    model.self_sup_criterion.cuda()
    model.lang_sup_criterion.cuda()
    model.object_encoder.to_file(
        os.path.join(exp_const.exp_dir,'object_encoder.txt'))
    model.self_sup_criterion.to_file(
        os.path.join(exp_const.exp_dir,'self_supervised_criterion.txt'))
    model.lang_sup_criterion.to_file(
        os.path.join(exp_const.exp_dir,'lang_supervised_criterion.txt'))

    print('Creating dataloader ...')
    dataloaders = {}
    if exp_const.dataset=='coco':
        Dataset = CocoDataset
    elif exp_const.dataset=='flickr':
        Dataset = FlickrDataset
    else:
        msg = f'{exp_const.dataset} not implemented'
        raise NotImplementedError(msg)

    for mode, const in data_const.items():
        dataset = Dataset(const)
        
        if mode=='train':
            shuffle=True
            batch_size=exp_const.train_batch_size
        else:
            shuffle=True
            batch_size=exp_const.val_batch_size

        dataloaders[mode] = DataLoader(
            dataset,
            batch_size=batch_size,
            shuffle=shuffle,
            num_workers=exp_const.num_workers)

    train_model(model,dataloaders,exp_const,tb_writer)