Example #1
0
def main():
    # set up dist
    device = torch.device("cuda")
    if args.local_rank > -1:
        device = initialize_distributed(args)
    elif torch.cuda.is_available():
        device = torch.device("cuda")
    else:
        device = torch.device("cpu")

    opt = vars(args)
    # update data dir
    opt['data_dir'] = data_dir
    batch_size = args.batch_size
    print_message(logger, 'Launching the MT-DNN training')
    #return
    tasks = {}
    task_def_list = []
    dropout_list = []
    printable = args.local_rank in [-1, 0]

    train_datasets = []
    for dataset in args.train_datasets:
        prefix = dataset.split('_')[0]
        if prefix in tasks:
            continue
        task_id = len(tasks)
        tasks[prefix] = task_id
        task_def = task_defs.get_task_def(prefix)
        task_def_list.append(task_def)
        train_path = os.path.join(data_dir, '{}_train.json'.format(dataset))
        print_message(logger,
                      'Loading {} as task {}'.format(train_path, task_id))
        train_data_set = SingleTaskDataset(train_path,
                                           True,
                                           maxlen=args.max_seq_len,
                                           task_id=task_id,
                                           task_def=task_def,
                                           printable=printable)
        train_datasets.append(train_data_set)
    train_collater = Collater(dropout_w=args.dropout_w,
                              encoder_type=encoder_type,
                              soft_label=args.mkd_opt > 0,
                              max_seq_len=args.max_seq_len,
                              do_padding=args.do_padding)
    multi_task_train_dataset = MultiTaskDataset(train_datasets)
    if args.local_rank != -1:
        multi_task_batch_sampler = DistMultiTaskBatchSampler(
            train_datasets,
            args.batch_size,
            args.mix_opt,
            args.ratio,
            rank=args.local_rank,
            world_size=args.world_size)
    else:
        multi_task_batch_sampler = MultiTaskBatchSampler(
            train_datasets,
            args.batch_size,
            args.mix_opt,
            args.ratio,
            bin_on=args.bin_on,
            bin_size=args.bin_size,
            bin_grow_ratio=args.bin_grow_ratio)
    multi_task_train_data = DataLoader(multi_task_train_dataset,
                                       batch_sampler=multi_task_batch_sampler,
                                       collate_fn=train_collater.collate_fn,
                                       pin_memory=args.cuda)

    opt['task_def_list'] = task_def_list

    dev_data_list = []
    test_data_list = []
    test_collater = Collater(is_train=False,
                             encoder_type=encoder_type,
                             max_seq_len=args.max_seq_len,
                             do_padding=args.do_padding)
    for dataset in args.test_datasets:
        prefix = dataset.split('_')[0]
        task_def = task_defs.get_task_def(prefix)
        task_id = tasks[prefix]
        task_type = task_def.task_type
        data_type = task_def.data_type

        dev_path = os.path.join(data_dir, '{}_dev.json'.format(dataset))
        dev_data = None
        if os.path.exists(dev_path):
            dev_data_set = SingleTaskDataset(dev_path,
                                             False,
                                             maxlen=args.max_seq_len,
                                             task_id=task_id,
                                             task_def=task_def,
                                             printable=printable)
            if args.local_rank != -1:
                dev_data_set = DistTaskDataset(dev_data_set, task_id)
                single_task_batch_sampler = DistSingleTaskBatchSampler(
                    dev_data_set,
                    args.batch_size_eval,
                    rank=args.local_rank,
                    world_size=args.world_size)
                dev_data = DataLoader(dev_data_set,
                                      batch_sampler=single_task_batch_sampler,
                                      collate_fn=test_collater.collate_fn,
                                      pin_memory=args.cuda)
            else:
                dev_data = DataLoader(dev_data_set,
                                      batch_size=args.batch_size_eval,
                                      collate_fn=test_collater.collate_fn,
                                      pin_memory=args.cuda)
        dev_data_list.append(dev_data)

        test_path = os.path.join(data_dir, '{}_test.json'.format(dataset))
        test_data = None
        if os.path.exists(test_path):
            test_data_set = SingleTaskDataset(test_path,
                                              False,
                                              maxlen=args.max_seq_len,
                                              task_id=task_id,
                                              task_def=task_def,
                                              printable=printable)
            if args.local_rank != -1:
                test_data_set = DistTaskDataset(test_data_set, task_id)
                single_task_batch_sampler = DistSingleTaskBatchSampler(
                    test_data_set,
                    args.batch_size_eval,
                    rank=args.local_rank,
                    world_size=args.world_size)
                test_data = DataLoader(test_data_set,
                                       batch_sampler=single_task_batch_sampler,
                                       collate_fn=test_collater.collate_fn,
                                       pin_memory=args.cuda)
            else:
                test_data = DataLoader(test_data_set,
                                       batch_size=args.batch_size_eval,
                                       collate_fn=test_collater.collate_fn,
                                       pin_memory=args.cuda)
        test_data_list.append(test_data)

    print_message(logger, '#' * 20)
    print_message(logger, opt)
    print_message(logger, '#' * 20)

    # div number of grad accumulation.
    num_all_batches = args.epochs * len(
        multi_task_train_data) // args.grad_accumulation_step
    print_message(logger,
                  '############# Gradient Accumulation Info #############')
    print_message(
        logger,
        'number of step: {}'.format(args.epochs * len(multi_task_train_data)))
    print_message(
        logger, 'number of grad grad_accumulation step: {}'.format(
            args.grad_accumulation_step))
    print_message(logger,
                  'adjusted number of step: {}'.format(num_all_batches))
    print_message(logger,
                  '############# Gradient Accumulation Info #############')

    init_model = args.init_checkpoint
    state_dict = None

    if os.path.exists(init_model):
        if encoder_type == EncoderModelType.BERT or \
            encoder_type == EncoderModelType.DEBERTA or \
            encoder_type == EncoderModelType.ELECTRA:
            state_dict = torch.load(init_model, map_location=device)
            config = state_dict['config']
        elif encoder_type == EncoderModelType.ROBERTA or encoder_type == EncoderModelType.XLM:
            model_path = '{}/model.pt'.format(init_model)
            state_dict = torch.load(model_path, map_location=device)
            arch = state_dict['args'].arch
            arch = arch.replace('_', '-')
            if encoder_type == EncoderModelType.XLM:
                arch = "xlm-{}".format(arch)
            # convert model arch
            from data_utils.roberta_utils import update_roberta_keys
            from data_utils.roberta_utils import patch_name_dict
            state = update_roberta_keys(
                state_dict['model'], nlayer=state_dict['args'].encoder_layers)
            state = patch_name_dict(state)
            literal_encoder_type = EncoderModelType(
                opt['encoder_type']).name.lower()
            config_class, model_class, tokenizer_class = MODEL_CLASSES[
                literal_encoder_type]
            config = config_class.from_pretrained(arch).to_dict()
            state_dict = {'state': state}
    else:
        if opt['encoder_type'] not in EncoderModelType._value2member_map_:
            raise ValueError("encoder_type is out of pre-defined types")
        literal_encoder_type = EncoderModelType(
            opt['encoder_type']).name.lower()
        config_class, model_class, tokenizer_class = MODEL_CLASSES[
            literal_encoder_type]
        config = config_class.from_pretrained(init_model).to_dict()

    config['attention_probs_dropout_prob'] = args.bert_dropout_p
    config['hidden_dropout_prob'] = args.bert_dropout_p
    config['multi_gpu_on'] = opt["multi_gpu_on"]
    if args.num_hidden_layers > 0:
        config['num_hidden_layers'] = args.num_hidden_layers

    opt.update(config)

    model = MTDNNModel(opt,
                       device=device,
                       state_dict=state_dict,
                       num_train_step=num_all_batches)
    if args.resume and args.model_ckpt:
        print_message(logger, 'loading model from {}'.format(args.model_ckpt))
        model.load(args.model_ckpt)

    #### model meta str
    headline = '############# Model Arch of MT-DNN #############'
    ### print network
    print_message(logger, '\n{}\n{}\n'.format(headline, model.network))

    # dump config
    config_file = os.path.join(output_dir, 'config.json')
    with open(config_file, 'w', encoding='utf-8') as writer:
        writer.write('{}\n'.format(json.dumps(opt)))
        writer.write('\n{}\n{}\n'.format(headline, model.network))

    print_message(logger,
                  "Total number of params: {}".format(model.total_param))

    # tensorboard
    tensorboard = None
    if args.tensorboard:
        args.tensorboard_logdir = os.path.join(args.output_dir,
                                               args.tensorboard_logdir)
        tensorboard = SummaryWriter(log_dir=args.tensorboard_logdir)

    if args.encode_mode:
        for idx, dataset in enumerate(args.test_datasets):
            prefix = dataset.split('_')[0]
            test_data = test_data_list[idx]
            with torch.no_grad():
                encoding = extract_encoding(model,
                                            test_data,
                                            use_cuda=args.cuda)
            torch.save(
                encoding,
                os.path.join(output_dir, '{}_encoding.pt'.format(dataset)))
        return

    for epoch in range(0, args.epochs):
        print_message(logger, 'At epoch {}'.format(epoch), level=1)
        start = datetime.now()

        for i, (batch_meta, batch_data) in enumerate(multi_task_train_data):
            batch_meta, batch_data = Collater.patch_data(
                device, batch_meta, batch_data)
            task_id = batch_meta['task_id']
            model.update(batch_meta, batch_data)

            if (model.updates) % (
                    args.log_per_updates) == 0 or model.updates == 1:
                ramaining_time = str(
                    (datetime.now() - start) / (i + 1) *
                    (len(multi_task_train_data) - i - 1)).split('.')[0]
                if args.adv_train and args.debug:
                    debug_info = ' basic loss[%.5f] adv loss[%.5f] emb val[%.8f] noise val[%.8f] noise grad val[%.8f] no proj noise[%.8f] ' % (
                        model.basic_loss.avg, model.adv_loss.avg,
                        model.emb_val.avg, model.noise_val.avg,
                        model.noise_grad_val.avg, model.no_proj_noise_val.avg)
                else:
                    debug_info = ' '
                print_message(
                    logger,
                    'Task [{0:2}] updates[{1:6}] train loss[{2:.5f}]{3}remaining[{4}]'
                    .format(task_id, model.updates, model.train_loss.avg,
                            debug_info, ramaining_time))
                if args.tensorboard:
                    tensorboard.add_scalar('train/loss',
                                           model.train_loss.avg,
                                           global_step=model.updates)

            if args.save_per_updates_on and (
                (model.local_updates) %
                (args.save_per_updates * args.grad_accumulation_step)
                    == 0) and args.local_rank in [-1, 0]:
                model_file = os.path.join(
                    output_dir, 'model_{}_{}.pt'.format(epoch, model.updates))
                evaluation(model,
                           args.test_datasets,
                           dev_data_list,
                           task_defs,
                           output_dir,
                           epoch,
                           n_updates=args.save_per_updates,
                           with_label=True,
                           tensorboard=tensorboard,
                           glue_format_on=args.glue_format_on,
                           test_on=False,
                           device=device,
                           logger=logger)
                evaluation(model,
                           args.test_datasets,
                           test_data_list,
                           task_defs,
                           output_dir,
                           epoch,
                           n_updates=args.save_per_updates,
                           with_label=False,
                           tensorboard=tensorboard,
                           glue_format_on=args.glue_format_on,
                           test_on=True,
                           device=device,
                           logger=logger)
                print_message(logger,
                              'Saving mt-dnn model to {}'.format(model_file))
                model.save(model_file)

        evaluation(model,
                   args.test_datasets,
                   dev_data_list,
                   task_defs,
                   output_dir,
                   epoch,
                   with_label=True,
                   tensorboard=tensorboard,
                   glue_format_on=args.glue_format_on,
                   test_on=False,
                   device=device,
                   logger=logger)
        evaluation(model,
                   args.test_datasets,
                   test_data_list,
                   task_defs,
                   output_dir,
                   epoch,
                   with_label=False,
                   tensorboard=tensorboard,
                   glue_format_on=args.glue_format_on,
                   test_on=True,
                   device=device,
                   logger=logger)
        print_message(logger, '[new test scores at {} saved.]'.format(epoch))
        if args.local_rank in [-1, 0]:
            model_file = os.path.join(output_dir, 'model_{}.pt'.format(epoch))
            model.save(model_file)
    if args.tensorboard:
        tensorboard.close()
Example #2
0
def main():
    logger.info('Launching the MT-DNN training')
    opt = vars(args)
    # update data dir
    opt['data_dir'] = data_dir
    batch_size = args.batch_size

    tasks = {}
    task_def_list = []
    dropout_list = []

    train_datasets = []
    for dataset in args.train_datasets:
        prefix = dataset.split('_')[0]
        if prefix in tasks:
            continue
        task_id = len(tasks)
        tasks[prefix] = task_id
        task_def = task_defs.get_task_def(prefix)
        task_def_list.append(task_def)

        train_path = os.path.join(data_dir, '{}_train.json'.format(dataset))
        logger.info('Loading {} as task {}'.format(train_path, task_id))
        train_data_set = SingleTaskDataset(train_path,
                                           True,
                                           maxlen=args.max_seq_len,
                                           task_id=task_id,
                                           task_def=task_def)
        train_datasets.append(train_data_set)
    train_collater = Collater(dropout_w=args.dropout_w,
                              encoder_type=encoder_type,
                              soft_label=args.mkd_opt > 0)
    multi_task_train_dataset = MultiTaskDataset(train_datasets)
    multi_task_batch_sampler = MultiTaskBatchSampler(train_datasets,
                                                     args.batch_size,
                                                     args.mix_opt, args.ratio)
    multi_task_train_data = DataLoader(multi_task_train_dataset,
                                       batch_sampler=multi_task_batch_sampler,
                                       collate_fn=train_collater.collate_fn,
                                       pin_memory=args.cuda)

    opt['task_def_list'] = task_def_list

    dev_data_list = []
    test_data_list = []
    test_collater = Collater(is_train=False, encoder_type=encoder_type)
    for dataset in args.test_datasets:
        prefix = dataset.split('_')[0]
        task_def = task_defs.get_task_def(prefix)
        task_id = tasks[prefix]
        task_type = task_def.task_type
        data_type = task_def.data_type

        dev_path = os.path.join(data_dir, '{}_dev.json'.format(dataset))
        dev_data = None
        if os.path.exists(dev_path):
            dev_data_set = SingleTaskDataset(dev_path,
                                             False,
                                             maxlen=args.max_seq_len,
                                             task_id=task_id,
                                             task_def=task_def)
            dev_data = DataLoader(dev_data_set,
                                  batch_size=args.batch_size_eval,
                                  collate_fn=test_collater.collate_fn,
                                  pin_memory=args.cuda)
        dev_data_list.append(dev_data)

        test_path = os.path.join(data_dir, '{}_test.json'.format(dataset))
        test_data = None
        if os.path.exists(test_path):
            test_data_set = SingleTaskDataset(test_path,
                                              False,
                                              maxlen=args.max_seq_len,
                                              task_id=task_id,
                                              task_def=task_def)
            test_data = DataLoader(test_data_set,
                                   batch_size=args.batch_size_eval,
                                   collate_fn=test_collater.collate_fn,
                                   pin_memory=args.cuda)
        test_data_list.append(test_data)

    logger.info('#' * 20)
    logger.info(opt)
    logger.info('#' * 20)

    # div number of grad accumulation.
    num_all_batches = args.epochs * len(
        multi_task_train_data) // args.grad_accumulation_step
    logger.info('############# Gradient Accumulation Info #############')
    logger.info('number of step: {}'.format(args.epochs *
                                            len(multi_task_train_data)))
    logger.info('number of grad grad_accumulation step: {}'.format(
        args.grad_accumulation_step))
    logger.info('adjusted number of step: {}'.format(num_all_batches))
    logger.info('############# Gradient Accumulation Info #############')

    init_model = args.init_checkpoint
    state_dict = None

    if os.path.exists(init_model):
        state_dict = torch.load(init_model)
        config = state_dict['config']
    else:
        if opt['encoder_type'] not in EncoderModelType._value2member_map_:
            raise ValueError("encoder_type is out of pre-defined types")
        literal_encoder_type = EncoderModelType(
            opt['encoder_type']).name.lower()
        config_class, model_class, tokenizer_class = MODEL_CLASSES[
            literal_encoder_type]
        config = config_class.from_pretrained(
            init_model, output_hidden_states=True).to_dict(
            )  # change here to enable multi-layer output

    config['output_hidden_states'] = True
    config['attention_probs_dropout_prob'] = args.bert_dropout_p
    config['hidden_dropout_prob'] = args.bert_dropout_p
    config['multi_gpu_on'] = opt["multi_gpu_on"]
    if args.num_hidden_layers != -1:
        config['num_hidden_layers'] = args.num_hidden_layers
    opt.update(config)

    model = MTDNNModel(opt,
                       state_dict=state_dict,
                       num_train_step=num_all_batches)
    if args.resume and args.model_ckpt:
        logger.info('loading model from {}'.format(args.model_ckpt))
        model.load(args.model_ckpt)

    #### model meta str
    headline = '############# Model Arch of MT-DNN #############'
    ### print network
    logger.info('\n{}\n{}\n'.format(headline, model.network))

    # dump config
    config_file = os.path.join(output_dir, 'config.json')
    with open(config_file, 'w', encoding='utf-8') as writer:
        writer.write('{}\n'.format(json.dumps(opt)))
        writer.write('\n{}\n{}\n'.format(headline, model.network))

    logger.info("Total number of params: {}".format(model.total_param))

    # tensorboard
    if args.tensorboard:
        args.tensorboard_logdir = os.path.join(args.output_dir,
                                               args.tensorboard_logdir)
        tensorboard = SummaryWriter(log_dir=args.tensorboard_logdir)

    if args.encode_mode:
        for idx, dataset in enumerate(args.test_datasets):
            prefix = dataset.split('_')[0]
            test_data = test_data_list[idx]
            with torch.no_grad():
                encoding = extract_encoding(model,
                                            test_data,
                                            use_cuda=args.cuda)
            torch.save(
                encoding,
                os.path.join(output_dir, '{}_encoding.pt'.format(dataset)))
        return

    for epoch in range(0, args.epochs):
        logger.warning('At epoch {}'.format(epoch))
        start = datetime.now()

        for i, (batch_meta, batch_data) in enumerate(multi_task_train_data):
            batch_meta, batch_data = Collater.patch_data(
                args.cuda, batch_meta, batch_data)
            task_id = batch_meta['task_id']
            model.update(batch_meta, batch_data)
            if (model.local_updates) % (args.log_per_updates *
                                        args.grad_accumulation_step
                                        ) == 0 or model.local_updates == 1:
                ramaining_time = str(
                    (datetime.now() - start) / (i + 1) *
                    (len(multi_task_train_data) - i - 1)).split('.')[0]
                logger.info(
                    'Task [{0:2}] updates[{1:6}] train loss[{2:.5f}] remaining[{3}]'
                    .format(task_id, model.updates, model.train_loss.avg,
                            ramaining_time))
                if args.tensorboard:
                    tensorboard.add_scalar('train/loss',
                                           model.train_loss.avg,
                                           global_step=model.updates)

            if args.save_per_updates_on and (
                (model.local_updates) %
                (args.save_per_updates * args.grad_accumulation_step) == 0):
                model_file = os.path.join(
                    output_dir, 'model_{}_{}.pt'.format(epoch, model.updates))
                logger.info('Saving mt-dnn model to {}'.format(model_file))
                model.save(model_file)

        for idx, dataset in enumerate(args.test_datasets):
            prefix = dataset.split('_')[0]
            task_def = task_defs.get_task_def(prefix)
            label_dict = task_def.label_vocab
            dev_data = dev_data_list[idx]
            if dev_data is not None:
                with torch.no_grad():
                    dev_metrics, dev_predictions, scores, golds, dev_ids = eval_model(
                        model,
                        dev_data,
                        metric_meta=task_def.metric_meta,
                        use_cuda=args.cuda,
                        label_mapper=label_dict,
                        task_type=task_def.task_type)
                for key, val in dev_metrics.items():
                    if args.tensorboard:
                        tensorboard.add_scalar('dev/{}/{}'.format(
                            dataset, key),
                                               val,
                                               global_step=epoch)
                    if isinstance(val, str):
                        logger.warning(
                            'Task {0} -- epoch {1} -- Dev {2}:\n {3}'.format(
                                dataset, epoch, key, val))
                    else:
                        logger.warning(
                            'Task {0} -- epoch {1} -- Dev {2}: {3:.3f}'.format(
                                dataset, epoch, key, val))
                score_file = os.path.join(
                    output_dir, '{}_dev_scores_{}.json'.format(dataset, epoch))
                results = {
                    'metrics': dev_metrics,
                    'predictions': dev_predictions,
                    'uids': dev_ids,
                    'scores': scores
                }
                dump(score_file, results)
                if args.glue_format_on:
                    from experiments.glue.glue_utils import submit
                    official_score_file = os.path.join(
                        output_dir,
                        '{}_dev_scores_{}.tsv'.format(dataset, epoch))
                    submit(official_score_file, results, label_dict)

            # test eval
            test_data = test_data_list[idx]
            if test_data is not None:
                with torch.no_grad():
                    test_metrics, test_predictions, scores, golds, test_ids = eval_model(
                        model,
                        test_data,
                        metric_meta=task_def.metric_meta,
                        use_cuda=args.cuda,
                        with_label=False,
                        label_mapper=label_dict,
                        task_type=task_def.task_type)
                score_file = os.path.join(
                    output_dir,
                    '{}_test_scores_{}.json'.format(dataset, epoch))
                results = {
                    'metrics': test_metrics,
                    'predictions': test_predictions,
                    'uids': test_ids,
                    'scores': scores
                }
                dump(score_file, results)
                if args.glue_format_on:
                    from experiments.glue.glue_utils import submit
                    official_score_file = os.path.join(
                        output_dir,
                        '{}_test_scores_{}.tsv'.format(dataset, epoch))
                    submit(official_score_file, results, label_dict)
                logger.info('[new test scores saved.]')

        model_file = os.path.join(output_dir, 'model_{}.pt'.format(epoch))
        model.save(model_file)
    if args.tensorboard:
        tensorboard.close()
Example #3
0
def main():
    logger.info('Launching the MT-DNN training')
    opt = vars(args)
    # update data dir
    opt['data_dir'] = data_dir
    batch_size = args.batch_size
    tasks = {}
    tasks_class = {}
    nclass_list = []
    decoder_opts = []
    task_types = []
    dropout_list = []
    loss_types = []
    kd_loss_types = []

    train_datasets = []
    for dataset in args.train_datasets:
        prefix = dataset.split('_')[0]
        if prefix in tasks: continue
        assert prefix in task_defs.n_class_map
        assert prefix in task_defs.data_type_map
        data_type = task_defs.data_type_map[prefix]
        nclass = task_defs.n_class_map[prefix]
        task_id = len(tasks)
        if args.mtl_opt > 0:
            task_id = tasks_class[nclass] if nclass in tasks_class else len(
                tasks_class)

        task_type = task_defs.task_type_map[prefix]

        dopt = generate_decoder_opt(task_defs.enable_san_map[prefix],
                                    opt['answer_opt'])
        if task_id < len(decoder_opts):
            decoder_opts[task_id] = min(decoder_opts[task_id], dopt)
        else:
            decoder_opts.append(dopt)
        task_types.append(task_type)
        loss_types.append(task_defs.loss_map[prefix])
        kd_loss_types.append(task_defs.kd_loss_map[prefix])

        if prefix not in tasks:
            tasks[prefix] = len(tasks)
            if args.mtl_opt < 1: nclass_list.append(nclass)

        if (nclass not in tasks_class):
            tasks_class[nclass] = len(tasks_class)
            if args.mtl_opt > 0: nclass_list.append(nclass)

        dropout_p = task_defs.dropout_p_map.get(prefix, args.dropout_p)
        dropout_list.append(dropout_p)

        train_path = os.path.join(data_dir, '{}_train.json'.format(dataset))
        logger.info('Loading {} as task {}'.format(train_path, task_id))
        train_data_set = SingleTaskDataset(train_path,
                                           True,
                                           maxlen=args.max_seq_len,
                                           task_id=task_id,
                                           task_type=task_type,
                                           data_type=data_type)
        train_datasets.append(train_data_set)
    train_collater = Collater(dropout_w=args.dropout_w,
                              encoder_type=encoder_type)
    multi_task_train_dataset = MultiTaskDataset(train_datasets)
    multi_task_batch_sampler = MultiTaskBatchSampler(train_datasets,
                                                     args.batch_size,
                                                     args.mix_opt, args.ratio)
    multi_task_train_data = DataLoader(multi_task_train_dataset,
                                       batch_sampler=multi_task_batch_sampler,
                                       collate_fn=train_collater.collate_fn,
                                       pin_memory=args.cuda)

    opt['answer_opt'] = decoder_opts
    opt['task_types'] = task_types
    opt['tasks_dropout_p'] = dropout_list
    opt['loss_types'] = loss_types
    opt['kd_loss_types'] = kd_loss_types

    args.label_size = ','.join([str(l) for l in nclass_list])
    logger.info(args.label_size)
    dev_data_list = []
    test_data_list = []
    test_collater = Collater(is_train=False, encoder_type=encoder_type)
    for dataset in args.test_datasets:
        prefix = dataset.split('_')[0]
        task_id = tasks_class[
            task_defs.
            n_class_map[prefix]] if args.mtl_opt > 0 else tasks[prefix]
        task_type = task_defs.task_type_map[prefix]

        pw_task = False
        if task_type == TaskType.Ranking:
            pw_task = True

        assert prefix in task_defs.data_type_map
        data_type = task_defs.data_type_map[prefix]

        dev_path = os.path.join(data_dir, '{}_dev.json'.format(dataset))
        dev_data = None
        if os.path.exists(dev_path):
            dev_data_set = SingleTaskDataset(dev_path,
                                             False,
                                             maxlen=args.max_seq_len,
                                             task_id=task_id,
                                             task_type=task_type,
                                             data_type=data_type)
            dev_data = DataLoader(dev_data_set,
                                  batch_size=args.batch_size_eval,
                                  collate_fn=test_collater.collate_fn,
                                  pin_memory=args.cuda)
        dev_data_list.append(dev_data)

        test_path = os.path.join(data_dir, '{}_test.json'.format(dataset))
        test_data = None
        if os.path.exists(test_path):
            test_data_set = SingleTaskDataset(test_path,
                                              False,
                                              maxlen=args.max_seq_len,
                                              task_id=task_id,
                                              task_type=task_type,
                                              data_type=data_type)
            test_data = DataLoader(test_data_set,
                                   batch_size=args.batch_size_eval,
                                   collate_fn=test_collater.collate_fn,
                                   pin_memory=args.cuda)
        test_data_list.append(test_data)

    logger.info('#' * 20)
    logger.info(opt)
    logger.info('#' * 20)

    # div number of grad accumulation.
    num_all_batches = args.epochs * len(
        multi_task_train_data) // args.grad_accumulation_step
    logger.info('############# Gradient Accumulation Info #############')
    logger.info('number of step: {}'.format(args.epochs *
                                            len(multi_task_train_data)))
    logger.info('number of grad grad_accumulation step: {}'.format(
        args.grad_accumulation_step))
    logger.info('adjusted number of step: {}'.format(num_all_batches))
    logger.info('############# Gradient Accumulation Info #############')

    bert_model_path = args.init_checkpoint
    state_dict = None

    if encoder_type == EncoderModelType.BERT:
        if os.path.exists(bert_model_path):
            state_dict = torch.load(bert_model_path)
            config = state_dict['config']
            config['attention_probs_dropout_prob'] = args.bert_dropout_p
            config['hidden_dropout_prob'] = args.bert_dropout_p
            config['multi_gpu_on'] = opt["multi_gpu_on"]
            opt.update(config)
        else:
            logger.error('#' * 20)
            logger.error(
                'Could not find the init model!\n The parameters will be initialized randomly!'
            )
            logger.error('#' * 20)
            config = BertConfig(vocab_size_or_config_json_file=30522).to_dict()
            config['multi_gpu_on'] = opt["multi_gpu_on"]
            opt.update(config)
    elif encoder_type == EncoderModelType.ROBERTA:
        bert_model_path = '{}/model.pt'.format(bert_model_path)
        if os.path.exists(bert_model_path):
            new_state_dict = {}
            state_dict = torch.load(bert_model_path)
            for key, val in state_dict['model'].items():
                if key.startswith('decoder.sentence_encoder'):
                    key = 'bert.model.{}'.format(key)
                    new_state_dict[key] = val
                elif key.startswith('classification_heads'):
                    key = 'bert.model.{}'.format(key)
                    new_state_dict[key] = val
            state_dict = {'state': new_state_dict}

    model = MTDNNModel(opt,
                       state_dict=state_dict,
                       num_train_step=num_all_batches)
    if args.resume and args.model_ckpt:
        logger.info('loading model from {}'.format(args.model_ckpt))
        model.load(args.model_ckpt)

    #### model meta str
    headline = '############# Model Arch of MT-DNN #############'
    ### print network
    logger.info('\n{}\n{}\n'.format(headline, model.network))

    # dump config
    config_file = os.path.join(output_dir, 'config.json')
    with open(config_file, 'w', encoding='utf-8') as writer:
        writer.write('{}\n'.format(json.dumps(opt)))
        writer.write('\n{}\n{}\n'.format(headline, model.network))

    logger.info("Total number of params: {}".format(model.total_param))

    # tensorboard
    if args.tensorboard:
        args.tensorboard_logdir = os.path.join(args.output_dir,
                                               args.tensorboard_logdir)
        tensorboard = SummaryWriter(log_dir=args.tensorboard_logdir)

    for epoch in range(0, args.epochs):
        logger.warning('At epoch {}'.format(epoch))
        start = datetime.now()

        for i, (batch_meta, batch_data) in enumerate(multi_task_train_data):
            batch_meta, batch_data = Collater.patch_data(
                args.cuda, batch_meta, batch_data)
            task_id = batch_meta['task_id']
            model.update(batch_meta, batch_data)
            if (model.local_updates) % (args.log_per_updates *
                                        args.grad_accumulation_step
                                        ) == 0 or model.local_updates == 1:
                ramaining_time = str(
                    (datetime.now() - start) / (i + 1) *
                    (len(multi_task_train_data) - i - 1)).split('.')[0]
                logger.info(
                    'Task [{0:2}] updates[{1:6}] train loss[{2:.5f}] remaining[{3}]'
                    .format(task_id, model.updates, model.train_loss.avg,
                            ramaining_time))
                if args.tensorboard:
                    tensorboard.add_scalar('train/loss',
                                           model.train_loss.avg,
                                           global_step=model.updates)

            if args.save_per_updates_on and (
                (model.local_updates) %
                (args.save_per_updates * args.grad_accumulation_step) == 0):
                model_file = os.path.join(
                    output_dir, 'model_{}_{}.pt'.format(epoch, model.updates))
                logger.info('Saving mt-dnn model to {}'.format(model_file))
                model.save(model_file)

        for idx, dataset in enumerate(args.test_datasets):
            prefix = dataset.split('_')[0]
            label_dict = task_defs.global_map.get(prefix, None)
            dev_data = dev_data_list[idx]
            if dev_data is not None:
                with torch.no_grad():
                    dev_metrics, dev_predictions, scores, golds, dev_ids = eval_model(
                        model,
                        dev_data,
                        metric_meta=task_defs.metric_meta_map[prefix],
                        use_cuda=args.cuda,
                        label_mapper=label_dict,
                        task_type=task_defs.task_type_map[prefix])
                for key, val in dev_metrics.items():
                    if args.tensorboard:
                        tensorboard.add_scalar('dev/{}/{}'.format(
                            dataset, key),
                                               val,
                                               global_step=epoch)
                    if isinstance(val, str):
                        logger.warning(
                            'Task {0} -- epoch {1} -- Dev {2}:\n {3}'.format(
                                dataset, epoch, key, val))
                    else:
                        logger.warning(
                            'Task {0} -- epoch {1} -- Dev {2}: {3:.3f}'.format(
                                dataset, epoch, key, val))
                score_file = os.path.join(
                    output_dir, '{}_dev_scores_{}.json'.format(dataset, epoch))
                results = {
                    'metrics': dev_metrics,
                    'predictions': dev_predictions,
                    'uids': dev_ids,
                    'scores': scores
                }
                dump(score_file, results)
                if args.glue_format_on:
                    from experiments.glue.glue_utils import submit
                    official_score_file = os.path.join(
                        output_dir,
                        '{}_dev_scores_{}.tsv'.format(dataset, epoch))
                    submit(official_score_file, results, label_dict)

            # test eval
            test_data = test_data_list[idx]
            if test_data is not None:
                with torch.no_grad():
                    test_metrics, test_predictions, scores, golds, test_ids = eval_model(
                        model,
                        test_data,
                        metric_meta=task_defs.metric_meta_map[prefix],
                        use_cuda=args.cuda,
                        with_label=False,
                        label_mapper=label_dict,
                        task_type=task_defs.task_type_map[prefix])
                score_file = os.path.join(
                    output_dir,
                    '{}_test_scores_{}.json'.format(dataset, epoch))
                results = {
                    'metrics': test_metrics,
                    'predictions': test_predictions,
                    'uids': test_ids,
                    'scores': scores
                }
                dump(score_file, results)
                if args.glue_format_on:
                    from experiments.glue.glue_utils import submit
                    official_score_file = os.path.join(
                        output_dir,
                        '{}_test_scores_{}.tsv'.format(dataset, epoch))
                    submit(official_score_file, results, label_dict)
                logger.info('[new test scores saved.]')

        model_file = os.path.join(output_dir, 'model_{}.pt'.format(epoch))
        model.save(model_file)
    if args.tensorboard:
        tensorboard.close()