Exemplo n.º 1
0
    def _forward(self, is_training, split_placeholders, **kwargs):

        encoder = ALBERTEncoder(
            config=self.albert_config,
            is_training=is_training,
            input_ids=split_placeholders['input_ids'],
            input_mask=split_placeholders['input_mask'],
            token_type_ids=split_placeholders['segment_ids'],
            scope='bert',
            drop_pooler=self._drop_pooler,
            **kwargs)
        decoder = ALBERTDecoder(
            albert_config=self.albert_config,
            is_training=is_training,
            encoder=encoder,
            masked_lm_positions=split_placeholders['masked_lm_positions'],
            masked_lm_ids=split_placeholders['masked_lm_ids'],
            masked_lm_weights=split_placeholders['masked_lm_weights'],
            sentence_order_labels=\
                split_placeholders.get('sentence_order_labels'),
            sample_weight=split_placeholders.get('sample_weight'),
            scope_lm='cls/predictions',
            scope_cls='cls/seq_relationship',
            name='SOP',
            **kwargs)
        (total_loss, losses, probs, preds) = decoder.get_forward_outputs()
        return (total_loss, losses, probs, preds)
Exemplo n.º 2
0
 def _get_encoder(model_name):
     if model_name == 'bert' or model_name == 'roberta':
         sketchy_encoder = BERTEncoder(
             bert_config=self.bert_config,
             is_training=is_training,
             input_ids=split_placeholders['input_ids'],
             input_mask=split_placeholders['input_mask'],
             segment_ids=split_placeholders['segment_ids'],
             scope='bert',
             **kwargs)
     elif model_name == 'albert':
         sketchy_encoder = ALBERTEncoder(
             albert_config=self.bert_config,
             is_training=is_training,
             input_ids=split_placeholders['input_ids'],
             input_mask=split_placeholders['input_mask'],
             segment_ids=split_placeholders['segment_ids'],
             scope='bert',
             **kwargs)
     elif model_name == 'electra':
         sketchy_encoder = BERTEncoder(
             bert_config=self.bert_config,
             is_training=is_training,
             input_ids=split_placeholders['input_ids'],
             input_mask=split_placeholders['input_mask'],
             segment_ids=split_placeholders['segment_ids'],
             scope='electra',
             **kwargs)
     return sketchy_encoder
Exemplo n.º 3
0
    def _forward(self, is_training, split_placeholders, **kwargs):

        encoder = ALBERTEncoder(albert_config=self.albert_config,
                                is_training=is_training,
                                input_ids=split_placeholders['input_ids'],
                                input_mask=split_placeholders['input_mask'],
                                segment_ids=split_placeholders['segment_ids'],
                                scope='bert',
                                **kwargs)
        encoder_output = encoder.get_sequence_output()
        decoder = MRCDecoder(
            is_training=is_training,
            input_tensor=encoder_output,
            label_ids=split_placeholders['label_ids'],
            sample_weight=split_placeholders.get('sample_weight'),
            scope='mrc',
            **kwargs)
        (total_loss, losses, probs, preds) = decoder.get_forward_outputs()
        return (total_loss, losses, probs, preds)
Exemplo n.º 4
0
    def _forward(self, is_training, split_placeholders, **kwargs):

        encoder = ALBERTEncoder(albert_config=self.albert_config,
                                is_training=is_training,
                                input_ids=split_placeholders['input_ids'],
                                input_mask=split_placeholders['input_mask'],
                                segment_ids=split_placeholders['segment_ids'],
                                scope='bert',
                                drop_pooler=self._drop_pooler,
                                **kwargs)
        encoder_output = encoder.get_pooled_output()
        decoder = CLSDecoder(
            is_training=is_training,
            input_tensor=encoder_output,
            label_ids=split_placeholders['label_ids'],
            label_size=self.label_size,
            sample_weight=split_placeholders.get('sample_weight'),
            scope='cls/seq_relationship',
            **kwargs)
        (total_loss, losses, probs, preds) = decoder.get_forward_outputs()
        return (total_loss, losses, probs, preds)