Пример #1
0
def load_classification_model():
    global trainer
    global tokenizer
    mod = 'mtn_models/pytorch_model.bin'
    tok = 'mtn_models/vocab.txt'
    conf = 'mtn_models/config.json'
    tokenizer = BertTokenizer.from_pretrained(tok,
                                              do_lower_case=False,
                                              do_basic_tokenize=True,
                                              never_split=never_split_tokens,
                                              truncation=True)
    config = PretrainedConfig.from_pretrained(conf, num_labels=6)
    model = BertForSequenceClassification.from_pretrained(mod, config=config)

    training_args = TrainingArguments("./train")

    training_args.do_train = True
    training_args.evaluate_during_training = True
    training_args.adam_epsilon = 1e-8
    training_args.learning_rate = 2e-5
    training_args.warmup_steps = 0
    training_args.per_gpu_train_batch_size = 16
    training_args.per_gpu_eval_batch_size = 16
    training_args.num_train_epochs = 3
    #training_args.logging_steps = (len(train_features) - 1) // training_args.per_gpu_train_batch_size + 1
    training_args.save_steps = training_args.logging_steps
    training_args.seed = 42

    trainer = Trainer(model=model, args=training_args)
def generate_training_args(args, inoculation_step):
    training_args = TrainingArguments("tmp_trainer")
    training_args.no_cuda = args.no_cuda
    training_args.seed = args.seed
    training_args.do_train = args.do_train
    training_args.do_eval = args.do_eval
    training_args.output_dir = os.path.join(args.output_dir, str(inoculation_step)+"-sample")
    training_args.evaluation_strategy = args.evaluation_strategy # evaluation is done after each epoch
    training_args.metric_for_best_model = args.metric_for_best_model
    training_args.greater_is_better = args.greater_is_better
    training_args.logging_dir = args.logging_dir
    training_args.task_name = args.task_name
    training_args.learning_rate = args.learning_rate
    training_args.per_device_train_batch_size = args.per_device_train_batch_size
    training_args.per_device_eval_batch_size = args.per_device_eval_batch_size
    training_args.num_train_epochs = args.num_train_epochs # this is the maximum num_train_epochs, we set this to be 100.
    training_args.eval_steps = args.eval_steps
    training_args.logging_steps = args.logging_steps
    training_args.load_best_model_at_end = args.load_best_model_at_end
    if args.save_total_limit != -1:
        # only set if it is specified
        training_args.save_total_limit = args.save_total_limit
    import datetime
    date_time = "{}-{}".format(datetime.datetime.now().month, datetime.datetime.now().day)
    run_name = "{0}_{1}_{2}_{3}_mlen_{4}_lr_{5}_seed_{6}_metrics_{7}".format(
        args.run_name,
        args.task_name,
        args.model_type,
        date_time,
        args.max_seq_length,
        args.learning_rate,
        args.seed,
        args.metric_for_best_model
    )
    training_args.run_name = run_name
    training_args_dict = training_args.to_dict()
    # for PR
    _n_gpu = training_args_dict["_n_gpu"]
    del training_args_dict["_n_gpu"]
    training_args_dict["n_gpu"] = _n_gpu
    HfParser = HfArgumentParser((TrainingArguments))
    training_args = HfParser.parse_dict(training_args_dict)[0]

    if args.model_path == "":
        args.model_path = args.model_type
        if args.model_type == "":
            assert False # you have to provide one of them.
    # Set seed before initializing model.
    set_seed(training_args.seed)

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO if is_main_process(training_args.local_rank) else logging.WARN,
    )

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        + f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )

    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
        transformers.utils.logging.enable_default_handler()
        transformers.utils.logging.enable_explicit_format()
    logger.info(f"Training/evaluation parameters {training_args}")
    return training_args