示例#1
0
 def _construct_model(self, model):
     """
     Construct the inference model for the predictor.
     """
     self._model = BertModel.from_pretrained(self._task_path,
                                             pool_act='linear')
     self._model.eval()
示例#2
0
def get_bert(params):
    model_bert = BertModel.from_pretrained("bert-base-uncased")
    bert_config = BertPretrainedModel.pretrained_init_configuration[
        "bert-base-uncased"]
    tokenizer = BertTokenizer.from_pretrained('bert-base-uncased')

    return model_bert, tokenizer, bert_config
示例#3
0
    def test_bert_base_uncased(self):
        model = BertModel.from_pretrained('bert-base-uncased',
                                          attention_probs_dropout_prob=0.0,
                                          hidden_dropout_prob=0.0)
        self.config = copy.deepcopy(model.config)
        self.config['seq_len'] = 32
        self.config['batch_size'] = 3

        input_ids, _ = create_input_data(self.config, 102)
        input_ids = paddle.to_tensor(input_ids)
        output = model(input_ids)

        expected_seq_shape = (self.config['batch_size'],
                              self.config['seq_len'],
                              self.config['hidden_size'])
        expected_pooled_shape = (self.config['batch_size'],
                                 self.config['hidden_size'])
        self.check_output_equal(output[0].numpy().shape, expected_seq_shape)
        self.check_output_equal(output[1].numpy().shape, expected_pooled_shape)
        expected_seq_slice = np.array([[0.17383946, 0.09206937, 0.45788339],
                                       [-0.28287640, 0.06244858, 0.54864359],
                                       [-0.54589444, 0.04811822, 0.50559914]])
        # There's output diff about 1e-6 between cpu and gpu
        self.check_output_equal(output[0].numpy()[0, 0:3, 0:3],
                                expected_seq_slice,
                                atol=1e-6)

        expected_pooled_slice = np.array(
            [[-0.67418981, -0.07148759, 0.85799801],
             [-0.62072051, -0.08452632, 0.96691507],
             [-0.74019802, -0.10187808, 0.95353240]])
        self.check_output_equal(output[1].numpy()[0:3, 0:3],
                                expected_pooled_slice,
                                atol=1e-6)