Exemplo n.º 1
0
        'how to generate oracle summaries, greedy or combination, combination will generate more accurate oracles but take much longer time.'
    )
    parser.add_argument("-map_path", default='../urls/')
    parser.add_argument("-raw_path", default='../merged_stories_tokenized')
    parser.add_argument("-save_path", default='../json_data/wx')

    parser.add_argument("-shard_size", default=2000, type=int)
    parser.add_argument('-min_nsents', default=3, type=int)
    parser.add_argument('-max_nsents', default=100, type=int)
    parser.add_argument('-min_src_ntokens', default=5, type=int)
    parser.add_argument('-max_src_ntokens', default=200, type=int)

    parser.add_argument("-lower",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=True)

    parser.add_argument('-log_file', default='../logs/cnndm.log')

    parser.add_argument(
        '-dataset',
        default='',
        help='train, valid or test, defaul will process all datasets')

    parser.add_argument('-n_cpus', default=2, type=int)

    args = parser.parse_args()
    init_logger(args.log_file)
    eval('data_builder.' + args.mode + '(args)')
def train_abs_single(args, device_id):
    init_logger(args.log_file)
    logger.info(str(args))
    device = "cpu" if args.visible_gpus == '-1' else "cuda"
    logger.info('Device ID %d' % device_id)
    logger.info('Device %s' % device)
    torch.manual_seed(args.seed)
    random.seed(args.seed)
    torch.backends.cudnn.deterministic = True

    if device_id >= 0:
        torch.cuda.set_device(device_id)
        torch.cuda.manual_seed(args.seed)

    if args.train_from != '':
        logger.info('Loading checkpoint from %s' % args.train_from)
        checkpoint = torch.load(args.train_from,
                                map_location=lambda storage, loc: storage)
        opt = vars(checkpoint['opt'])
        for k in opt.keys():
            if (k in model_flags):
                setattr(args, k, opt[k])
    else:
        checkpoint = None

    if (args.load_from_extractive != ''):
        logger.info('Loading bert from extractive model %s' %
                    args.load_from_extractive)
        bert_from_extractive = torch.load(
            args.load_from_extractive,
            map_location=lambda storage, loc: storage)
        bert_from_extractive = bert_from_extractive['model']
    else:
        bert_from_extractive = None
    torch.manual_seed(args.seed)
    random.seed(args.seed)
    torch.backends.cudnn.deterministic = True

    def train_iter_fct():
        return data_loader.Dataloader(args,
                                      load_dataset(args, 'train',
                                                   shuffle=True),
                                      args.batch_size,
                                      device,
                                      shuffle=True,
                                      is_test=False)

    model = Z_AbsSummarizer(args, device, checkpoint, bert_from_extractive)
    if (args.sep_optim):
        optim_bert = model_builder.build_optim_bert(args, model, checkpoint)
        optim_dec = model_builder.build_optim_dec(args, model, checkpoint)
        optim = [optim_bert, optim_dec]
    else:
        optim = [model_builder.build_optim(args, model, checkpoint)]

    logger.info(model)

    tokenizer = BertTokenizer.from_pretrained('bert-base-uncased',
                                              do_lower_case=True,
                                              cache_dir=args.temp_dir)
    symbols = {
        'BOS': tokenizer.vocab['[unused0]'],
        'EOS': tokenizer.vocab['[unused1]'],
        'PAD': tokenizer.vocab['[PAD]'],
        'EOQ': tokenizer.vocab['[unused2]']
    }

    if COPY:
        train_loss = abs_loss(model.generator,
                              symbols,
                              model.vocab_size,
                              device,
                              train=True,
                              label_smoothing=args.label_smoothing,
                              copy_generator=model.copy_generator)
    else:
        train_loss = abs_loss(model.generator,
                              symbols,
                              model.vocab_size,
                              device,
                              train=True,
                              label_smoothing=args.label_smoothing)

    trainer = build_trainer(args, device_id, model, optim, train_loss)

    trainer.train(train_iter_fct, args.train_steps)
Exemplo n.º 3
0
def abs_train(args, device_id, pt, recover_all=False):
    init_logger(args.log_file)

    device = "cpu" if args.visible_gpus == '-1' else "cuda"
    logger.info('Device ID %d' % device_id)
    logger.info('Device %s' % device)
    torch.manual_seed(args.seed)
    random.seed(args.seed)
    torch.backends.cudnn.deterministic = True

    if device_id >= 0:
        torch.cuda.set_device(device_id)
        torch.cuda.manual_seed(args.seed)

    torch.manual_seed(args.seed)
    random.seed(args.seed)
    torch.backends.cudnn.deterministic = True
    # load extractive model
    if pt != None:
        test_from = pt
        logger.info('Loading checkpoint from %s' % test_from)
        checkpoint = torch.load(test_from,
                                map_location=lambda storage, loc: storage)
        opt = vars(checkpoint['opt'])
        for k in opt.keys():
            if (k in model_flags):
                setattr(args, k, opt[k])
        print(args)
    config = BertConfig.from_json_file(args.bert_config_path)
    # build extractive model
    model = Summarizer(args,
                       device_id,
                       load_pretrained_bert=False,
                       bert_config=config)

    # decoder
    decoder = Decoder(model.bert.model.config.hidden_size // 2,
                      model.bert.model.config.vocab_size,
                      model.bert.model.config.hidden_size,
                      model.bert.model.embeddings,
                      device_id)  # 2*hidden_dim = embedding_size

    # get initial s_t
    s_t_1 = get_initial_s(model.bert.model.config.hidden_size, device_id)
    if recover_all:
        model.load_cp(checkpoint)
        s_t_1.load_cp(checkpoint)
        decoder.load_cp(checkpoint)
        optim = model_builder.build_optim(args, [model, decoder, s_t_1],
                                          checkpoint)

    elif pt != None:
        model.load_cp(checkpoint)
        optim = model_builder.build_optim(args, [model, decoder, s_t_1],
                                          checkpoint)
    else:
        optim = model_builder.build_optim(args, [model, decoder, s_t_1], None)

    # tokenizer,nlp
    tokenizer = BertTokenizer.from_pretrained(
        'bert-base-uncased',
        do_lower_case=True,
        never_split=('[SEP]', '[CLS]', '[PAD]', '[unused0]', '[unused1]',
                     '[unused2]', '[UNK]'),
        no_word_piece=True)
    nlp = StanfordCoreNLP(r'/home1/bqw/stanford-corenlp-full-2018-10-05')

    # build optim

    # load train dataset
    def train_iter_fct():
        return data_loader.Dataloader(args,
                                      load_dataset(args, 'train',
                                                   shuffle=True),
                                      args.batch_size,
                                      device_id,
                                      shuffle=True,
                                      is_test=False)

    # build trainer
    trainer = build_trainer(args,
                            device_id,
                            model,
                            optim,
                            decoder=decoder,
                            get_s_t=s_t_1,
                            device=device_id,
                            tokenizer=tokenizer,
                            nlp=nlp)
    trainer.abs_train(train_iter_fct, args.train_steps)
Exemplo n.º 4
0
def train_abs(args, device_id):
    init_logger(args.log_file)
    logger.info(str(args))
    device = "cpu" if args.visible_gpus == '-1' else "cuda"
    logger.info('Device ID %d' % device_id)
    logger.info('Device %s' % device)
    torch.manual_seed(args.seed)
    random.seed(args.seed)
    torch.backends.cudnn.deterministic = True

    if device_id >= 0:
        torch.cuda.set_device(device_id)
        torch.cuda.manual_seed(args.seed)

    if args.train_from != '':
        logger.info('Loading checkpoint from %s' % args.train_from)
        checkpoint = torch.load(args.train_from,
                                map_location=lambda storage, loc: storage)
        opt = vars(checkpoint['opt'])
        for k in opt.keys():
            if k in model_flags:
                setattr(args, k, opt[k])
    else:
        checkpoint = None

    if args.load_from_extractive != '':
        logger.info('Loading bert from extractive model %s' %
                    args.load_from_extractive)
        bert_from_extractive = torch.load(
            args.load_from_extractive,
            map_location=lambda storage, loc: storage)
        bert_from_extractive = bert_from_extractive['model']
    else:
        bert_from_extractive = None
    torch.manual_seed(args.seed)
    random.seed(args.seed)
    torch.backends.cudnn.deterministic = True

    symbols, tokenizer = get_symbol_and_tokenizer(args.encoder, args.temp_dir)

    model = AbsSummarizer(args,
                          device,
                          checkpoint,
                          bert_from_extractive,
                          symbols=symbols)
    if args.sep_optim:
        optim_enc = model_builder.build_optim_enc(args, model, checkpoint)
        optim_dec = model_builder.build_optim_dec(args, model, checkpoint)
        optim = [optim_enc, optim_dec]
    else:
        optim = [model_builder.build_optim(args, model, checkpoint)]

    logger.info(model)

    def train_iter_fct():
        return data_loader.Dataloader(args,
                                      load_dataset(args, 'train',
                                                   shuffle=True),
                                      args.batch_size,
                                      device,
                                      shuffle=True,
                                      is_test=False,
                                      tokenizer=tokenizer)

    train_loss = abs_loss(model.generator,
                          symbols,
                          model.vocab_size,
                          device,
                          train=True,
                          label_smoothing=args.label_smoothing)

    trainer = build_trainer(args, device_id, model, optim, train_loss)

    trainer.train(train_iter_fct, args.train_steps)
Exemplo n.º 5
0
def load_model():
    parser = argparse.ArgumentParser()
    parser.add_argument("-task",
                        default='abs',
                        type=str,
                        choices=['ext', 'abs'])
    parser.add_argument("-encoder",
                        default='bert',
                        type=str,
                        choices=['bert', 'baseline'])
    parser.add_argument("-mode",
                        default='test',
                        type=str,
                        choices=['train', 'validate', 'test'])
    parser.add_argument("-bert_data_path", default='../bert_data/cnndm')
    parser.add_argument("-model_path", default='../models/')
    parser.add_argument("-result_path", default='../results/cnndm')
    parser.add_argument("-temp_dir", default='../../temp')

    parser.add_argument("-batch_size", default=140, type=int)
    parser.add_argument("-test_batch_size", default=200, type=int)

    parser.add_argument("-max_pos", default=512, type=int)
    parser.add_argument("-use_interval",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=True)
    parser.add_argument("-large",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=False)
    parser.add_argument("-load_from_extractive", default='', type=str)

    parser.add_argument("-sep_optim",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=True)
    parser.add_argument("-lr_bert", default=2e-3, type=float)
    parser.add_argument("-lr_dec", default=2e-3, type=float)
    parser.add_argument("-use_bert_emb",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=False)

    parser.add_argument("-share_emb",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=False)
    parser.add_argument("-finetune_bert",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=True)
    parser.add_argument("-dec_dropout", default=0.2, type=float)
    parser.add_argument("-dec_layers", default=6, type=int)
    parser.add_argument("-dec_hidden_size", default=768, type=int)
    parser.add_argument("-dec_heads", default=8, type=int)
    parser.add_argument("-dec_ff_size", default=2048, type=int)
    parser.add_argument("-enc_hidden_size", default=512, type=int)
    parser.add_argument("-enc_ff_size", default=512, type=int)
    parser.add_argument("-enc_dropout", default=0.2, type=float)
    parser.add_argument("-enc_layers", default=6, type=int)

    # params for EXT
    parser.add_argument("-ext_dropout", default=0.2, type=float)
    parser.add_argument("-ext_layers", default=2, type=int)
    parser.add_argument("-ext_hidden_size", default=768, type=int)
    parser.add_argument("-ext_heads", default=8, type=int)
    parser.add_argument("-ext_ff_size", default=2048, type=int)

    parser.add_argument("-label_smoothing", default=0.1, type=float)
    parser.add_argument("-generator_shard_size", default=32, type=int)
    parser.add_argument("-alpha", default=0.6, type=float)
    parser.add_argument("-beam_size", default=5, type=int)
    parser.add_argument("-min_length", default=15, type=int)
    parser.add_argument("-max_length", default=150, type=int)
    parser.add_argument("-max_tgt_len", default=140, type=int)

    # params for preprocessing
    parser.add_argument("-shard_size", default=2000, type=int)
    parser.add_argument('-min_src_nsents', default=3, type=int)
    parser.add_argument('-max_src_nsents', default=100, type=int)
    parser.add_argument('-min_src_ntokens_per_sent', default=5, type=int)
    parser.add_argument('-max_src_ntokens_per_sent', default=200, type=int)
    parser.add_argument('-min_tgt_ntokens', default=5, type=int)
    parser.add_argument('-max_tgt_ntokens', default=500, type=int)
    parser.add_argument("-lower",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=True)
    parser.add_argument("-use_bert_basic_tokenizer",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=False)

    parser.add_argument("-param_init", default=0, type=float)
    parser.add_argument("-param_init_glorot",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=True)
    parser.add_argument("-optim", default='adam', type=str)
    parser.add_argument("-lr", default=1, type=float)
    parser.add_argument("-beta1", default=0.9, type=float)
    parser.add_argument("-beta2", default=0.999, type=float)
    parser.add_argument("-warmup_steps", default=8000, type=int)
    parser.add_argument("-warmup_steps_bert", default=8000, type=int)
    parser.add_argument("-warmup_steps_dec", default=8000, type=int)
    parser.add_argument("-max_grad_norm", default=0, type=float)

    parser.add_argument("-save_checkpoint_steps", default=5, type=int)
    parser.add_argument("-accum_count", default=1, type=int)
    parser.add_argument("-report_every", default=1, type=int)
    parser.add_argument("-train_steps", default=1000, type=int)
    parser.add_argument("-recall_eval",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=False)

    parser.add_argument('-visible_gpus', default='-1', type=str)
    parser.add_argument('-gpu_ranks', default='0', type=str)
    parser.add_argument('-log_file', default='../logs/cnndm.log')
    parser.add_argument('-seed', default=666, type=int)

    parser.add_argument("-test_all",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=False)
    parser.add_argument("-test_start_from", default=-1, type=int)

    parser.add_argument("-train_from", default='')
    parser.add_argument("-report_rouge",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=True)
    parser.add_argument("-block_trigram",
                        type=str2bool,
                        nargs='?',
                        const=True,
                        default=True)
    parser.add_argument("-test_from", default='../models/model_step_148000.pt')

    args = parser.parse_args()
    args.gpu_ranks = [int(i) for i in range(len(args.visible_gpus.split(',')))]
    args.world_size = len(args.gpu_ranks)
    os.environ["CUDA_VISIBLE_DEVICES"] = args.visible_gpus

    init_logger(args.log_file)
    device = "cpu" if args.visible_gpus == '-1' else "cuda"
    device_id = 0 if device == "cuda" else -1

    print(args.task, args.mode)

    cp = '../models/model_step_148000.pt'
    try:
        step = int(cp.split('.')[-2].split('_')[-1])
    except:
        step = 0

    predictor = load_models_abs(args, device_id, cp, step)

    return args, device_id, cp, step, predictor