wehub-resource-sync
758 lines
29 KiB
Python
758 lines
29 KiB
Python
# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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# Copyright 2020 The HuggingFace Team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import annotations
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import copy
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import datetime
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import math
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import random
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import tempfile
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import unittest
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import numpy as np
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import paddle
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from parameterized import parameterized, parameterized_class
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from paddlenlp.transformers import (
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GPTConfig,
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GPTForCausalLM,
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GPTForSequenceClassification,
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GPTForTokenClassification,
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GPTModel,
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GPTTokenizer,
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)
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from tests.testing_utils import PaddleNLPModelTest, require_package, slow
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from tests.transformers.test_generation_utils import GenerationTesterMixin
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from tests.transformers.test_modeling_common import (
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ModelTesterMixin,
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floats_tensor,
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ids_tensor,
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random_attention_mask,
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)
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from ...testing_utils import require_gpu
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GPT2_PRETRAINED_MODEL_ARCHIVE_LIST = [
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"gpt2-en",
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"gpt2-medium-en",
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"gpt2-large-en",
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"gpt2-xl-en",
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"gpt-cpm-small-cn-distill",
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"gpt-cpm-large-cn",
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]
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class GPTModelTester:
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def __init__(
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self,
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parent,
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batch_size=14,
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seq_length=7,
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is_training=True,
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use_input_mask=True,
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vocab_size=99,
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hidden_size=32,
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num_hidden_layers=5,
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num_attention_heads=4,
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intermediate_size=37,
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hidden_act="gelu",
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hidden_dropout_prob=0.1,
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attention_probs_dropout_prob=0.1,
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max_position_embeddings=512,
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type_vocab_size=16,
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type_sequence_label_size=2,
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initializer_range=0.02,
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num_labels=3,
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num_choices=4,
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scope=None,
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):
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self.parent = parent
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self.batch_size = batch_size
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self.seq_length = seq_length
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self.is_training = is_training
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self.use_input_mask = use_input_mask
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self.vocab_size = vocab_size
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self.hidden_size = hidden_size
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self.num_hidden_layers = num_hidden_layers
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self.num_attention_heads = num_attention_heads
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self.intermediate_size = intermediate_size
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self.hidden_act = hidden_act
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self.hidden_dropout_prob = hidden_dropout_prob
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self.attention_probs_dropout_prob = attention_probs_dropout_prob
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self.max_position_embeddings = max_position_embeddings
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self.type_vocab_size = type_vocab_size
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self.type_sequence_label_size = type_sequence_label_size
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self.initializer_range = initializer_range
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self.num_labels = num_labels
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self.num_choices = num_choices
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self.scope = None
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self.bos_token_id = vocab_size - 1
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self.eos_token_id = vocab_size - 1
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self.pad_token_id = vocab_size - 1
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def prepare_config_and_inputs(self):
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input_ids = ids_tensor([self.batch_size, self.seq_length], self.vocab_size, dtype="int64")
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input_mask = None
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if self.use_input_mask:
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input_mask = random_attention_mask([self.batch_size, self.seq_length], dtype="int64")
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sequence_labels = None
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token_labels = None
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choice_labels = None
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if self.parent.use_labels:
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sequence_labels = ids_tensor([self.batch_size], self.type_sequence_label_size, dtype="int64")
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token_labels = ids_tensor([self.batch_size, self.seq_length], self.num_labels, dtype="int64")
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choice_labels = ids_tensor([self.batch_size], self.num_choices, dtype="int64")
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config = self.get_config()
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return (
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config,
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input_ids,
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input_mask,
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sequence_labels,
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token_labels,
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choice_labels,
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)
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def get_config(self):
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return GPTConfig(
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**{
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"vocab_size": self.vocab_size,
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"hidden_size": self.hidden_size,
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"num_hidden_layers": self.num_hidden_layers,
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"num_attention_heads": self.num_attention_heads,
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"intermediate_size": self.intermediate_size,
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"hidden_act": self.hidden_act,
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"hidden_dropout_prob": self.hidden_dropout_prob,
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"attention_probs_dropout_prob": self.attention_probs_dropout_prob,
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"max_position_embeddings": self.max_position_embeddings,
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"type_vocab_size": self.type_vocab_size,
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"initializer_range": self.initializer_range,
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"bos_token_id": self.bos_token_id,
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"eos_token_id": self.eos_token_id,
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"pad_token_id": self.pad_token_id,
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}
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)
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def prepare_config_and_inputs_for_decoder(self):
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(
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config,
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input_ids,
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input_mask,
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sequence_labels,
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token_labels,
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choice_labels,
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) = self.prepare_config_and_inputs()
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encoder_hidden_states = floats_tensor([self.batch_size, self.seq_length, self.hidden_size])
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encoder_attention_mask = paddle.cast(
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ids_tensor([self.batch_size, self.seq_length], vocab_size=2), dtype="float32"
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)
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return (
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config,
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input_ids,
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input_mask,
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sequence_labels,
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token_labels,
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choice_labels,
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encoder_hidden_states,
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encoder_attention_mask,
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)
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def create_and_check_gpt_model(self, config, input_ids, input_mask, *args):
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model = GPTModel(config)
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model.eval()
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result = model(input_ids, use_cache=True, return_dict=self.parent.return_dict)
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result = model(input_ids, use_cache=True, return_dict=self.parent.return_dict)
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result = model(input_ids, use_cache=True, return_dict=self.parent.return_dict)
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self.parent.assertEqual(result[0].shape, [self.batch_size, self.seq_length, self.hidden_size])
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self.parent.assertEqual(len(result[1]), config["num_hidden_layers"])
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def create_and_check_gpt_model_past(self, config, input_ids, input_mask, *args):
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model = GPTModel(config)
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model.eval()
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# first forward pass
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outputs = model(input_ids, use_cache=True, return_dict=self.parent.return_dict)
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outputs_use_cache_conf = model(input_ids, use_cache=True, return_dict=self.parent.return_dict)
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model(input_ids, use_cache=False, return_dict=self.parent.return_dict)
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self.parent.assertTrue(len(outputs) == len(outputs_use_cache_conf))
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output, past = outputs[:2]
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# create hypothetical next token and extent to next_input_ids
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next_tokens = ids_tensor((self.batch_size, 1), config["vocab_size"], dtype="int64")
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# append to next input_ids
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next_input_ids = paddle.concat([input_ids, next_tokens], axis=-1)
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output_from_no_past = model(next_input_ids, return_dict=self.parent.return_dict)
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if self.parent.return_dict:
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output_from_no_past = output_from_no_past[0]
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output_from_past = model(
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next_tokens, use_cache=True, past_key_values=past, return_dict=self.parent.return_dict
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)[0]
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# select random slice
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random_slice_idx = ids_tensor((1,), output_from_past.shape[-1]).item()
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output_from_no_past_slice = output_from_no_past[:, -1, random_slice_idx].detach()
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output_from_past_slice = output_from_past[:, 0, random_slice_idx].detach()
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# test that outputs are equal for slice
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self.parent.assertTrue(paddle.allclose(output_from_past_slice, output_from_no_past_slice, atol=1e-3))
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def create_and_check_gpt_model_attention_mask_past(self, config, input_ids, input_mask, *args):
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model = GPTModel(config)
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model.eval()
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# create attention mask
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attn_mask = paddle.ones(input_ids.shape, dtype="float32")
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half_seq_length = self.seq_length // 2
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attn_mask[:, half_seq_length:] = 0
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# first forward pass
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output, past = model(input_ids, attention_mask=attn_mask, use_cache=True, return_dict=self.parent.return_dict)[
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:2
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]
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# create hypothetical next token and extent to next_input_ids
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next_tokens = ids_tensor((self.batch_size, 1), config["vocab_size"], dtype="int64")
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# change a random masked slice from input_ids
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random_seq_idx_to_change = ids_tensor((1,), half_seq_length, dtype="int64").item() + 1
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random_other_next_tokens = ids_tensor((self.batch_size, 1), config["vocab_size"], dtype="int64").squeeze(-1)
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input_ids[:, -random_seq_idx_to_change] = random_other_next_tokens
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# append to next input_ids and attn_mask
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next_input_ids = paddle.concat([input_ids, next_tokens], axis=-1)
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attn_mask = paddle.concat(
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[attn_mask, paddle.ones((attn_mask.shape[0], 1), dtype="float32")],
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axis=1,
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)
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# get two different outputs
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output_from_no_past = model(next_input_ids, attention_mask=attn_mask, return_dict=self.parent.return_dict)
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if self.parent.return_dict:
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output_from_no_past = output_from_no_past[0]
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output_from_past = model(
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next_tokens,
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past_key_values=past,
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use_cache=True,
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attention_mask=attn_mask,
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return_dict=self.parent.return_dict,
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)[0]
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# select random slice
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random_slice_idx = ids_tensor((1,), output_from_past.shape[-1], dtype="int64").item()
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output_from_no_past_slice = output_from_no_past[:, -1, random_slice_idx]
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output_from_past_slice = output_from_past[:, 0, random_slice_idx]
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# test that outputs are equal for slice
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self.parent.assertTrue(paddle.allclose(output_from_past_slice, output_from_no_past_slice, atol=1e-3))
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def create_and_check_gpt_model_past_large_inputs(self, config, input_ids, input_mask, *args):
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model = GPTModel(config)
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model.eval()
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# first forward pass
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outputs = model(input_ids, attention_mask=input_mask, use_cache=True, return_dict=self.parent.return_dict)
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output, past = outputs[:2]
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# create hypothetical next token and extent to next_input_ids
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next_tokens = ids_tensor((self.batch_size, 3), config["vocab_size"], dtype="int64")
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next_mask = ids_tensor((self.batch_size, 3), vocab_size=2, dtype="int64")
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# append to next input_ids
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next_input_ids = paddle.concat([input_ids, next_tokens], axis=-1)
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next_attention_mask = paddle.concat([input_mask, next_mask], axis=-1)
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output_from_no_past = model(
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next_input_ids, attention_mask=next_attention_mask, return_dict=self.parent.return_dict
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)
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if self.parent.return_dict:
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output_from_no_past = output_from_no_past[0]
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output_from_past = model(
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next_tokens,
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attention_mask=next_attention_mask,
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past_key_values=past,
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use_cache=True,
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return_dict=self.parent.return_dict,
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)[0]
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self.parent.assertTrue(output_from_past.shape[1] == next_tokens.shape[1])
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# select random slice
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random_slice_idx = ids_tensor((1,), output_from_past.shape[-1], dtype="int64").item()
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output_from_no_past_slice = output_from_no_past[:, -3:, random_slice_idx].detach()
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output_from_past_slice = output_from_past[:, :, random_slice_idx].detach()
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# test that outputs are equal for slice
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self.parent.assertTrue(paddle.allclose(output_from_past_slice, output_from_no_past_slice, atol=1e-3))
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def create_and_check_lm_head_model(self, config, input_ids, input_mask, *args):
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model = GPTForCausalLM(config)
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model.eval()
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result = model(
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input_ids,
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use_cache=True,
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labels=input_ids if self.parent.use_labels else None,
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return_dict=self.parent.return_dict,
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)
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if self.parent.use_labels:
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self.parent.assertIsInstance(result[0].item(), float)
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self.parent.assertEqual(result[1].shape, [self.batch_size, self.seq_length, self.vocab_size])
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else:
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self.parent.assertEqual(result[0].shape, [self.batch_size, self.seq_length, self.vocab_size])
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def create_and_check_forward_and_backwards(self, config, input_ids, input_mask, *args):
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model = GPTForCausalLM(config)
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if self.parent.use_labels:
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loss, logits = model(input_ids, labels=input_ids, return_dict=self.parent.return_dict)
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self.parent.assertEqual(loss.shape, [1])
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self.parent.assertEqual(logits.shape, [self.batch_size, self.seq_length, self.vocab_size])
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loss.backward()
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def create_and_check_gpt_for_sequence_classification(self, config, input_ids, input_mask, sequence_labels, *args):
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config.num_labels = self.num_labels
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model = GPTForSequenceClassification(config)
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model.eval()
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result = model(
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input_ids,
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attention_mask=input_mask,
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labels=sequence_labels if self.parent.use_labels else None,
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return_dict=self.parent.return_dict,
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)
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if self.parent.use_labels:
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self.parent.assertIsInstance(result[0].item(), float)
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self.parent.assertEqual(result[1].shape, [self.batch_size, self.num_labels])
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elif self.parent.return_dict:
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self.parent.assertEqual(result[0].shape, [self.batch_size, self.num_labels])
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else:
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self.parent.assertEqual(result.shape, [self.batch_size, self.num_labels])
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def create_and_check_gpt_for_token_classification(
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self, config, input_ids, input_mask, sequence_labels, token_labels, *args
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):
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config.num_labels = self.num_labels
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model = GPTForTokenClassification(config)
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model.eval()
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result = model(
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input_ids,
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attention_mask=input_mask,
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labels=token_labels if self.parent.use_labels else None,
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return_dict=self.parent.return_dict,
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)
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if self.parent.use_labels:
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self.parent.assertIsInstance(result[0].item(), float)
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self.parent.assertEqual(result[1].shape, [self.batch_size, self.seq_length, self.num_labels])
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elif self.parent.return_dict:
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self.parent.assertEqual(result[0].shape, [self.batch_size, self.seq_length, self.num_labels])
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else:
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self.parent.assertEqual(result.shape, [self.batch_size, self.seq_length, self.num_labels])
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def create_and_check_gpt_weight_initialization(self, config, *args):
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model = GPTModel(config)
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model_std = model.config["initializer_range"] / math.sqrt(2 * model.config["num_hidden_layers"])
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for key in model.state_dict().keys():
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if "out_proj" in key and "weight" in key:
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self.parent.assertLessEqual(abs((paddle.std(model.state_dict()[key]) - model_std).numpy()), 0.02)
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self.parent.assertLessEqual(abs((paddle.mean(model.state_dict()[key]) - 0.0).numpy()), 0.01)
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def prepare_config_and_inputs_for_common(self):
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config_and_inputs = self.prepare_config_and_inputs()
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(
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config,
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input_ids,
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input_mask,
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sequence_labels,
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token_labels,
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choice_labels,
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) = config_and_inputs
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inputs_dict = {
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"input_ids": input_ids,
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}
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return config, inputs_dict
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def prepare_config_and_inputs_for_gpt(self):
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config = self.get_config()
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# excluding eos_token_id which is equal to vocab_size - 1
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input_ids = ids_tensor([self.batch_size, self.seq_length], self.vocab_size - 1, dtype="int64")
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inputs_dict = {"input_ids": input_ids}
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return config, inputs_dict
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@parameterized_class(
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("return_dict", "use_labels"),
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[
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[False, False],
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[False, True],
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[True, False],
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[True, True],
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],
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)
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class GPTModelTest(ModelTesterMixin, GenerationTesterMixin, PaddleNLPModelTest):
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base_model_class = GPTModel
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use_labels = False
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return_dict = False
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all_model_classes = (GPTModel, GPTForCausalLM, GPTForSequenceClassification, GPTForTokenClassification)
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all_generative_model_classes = {GPTForCausalLM: (GPTModel, "gpt")}
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all_parallelizable_model_classes = GPTForCausalLM
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test_missing_keys = False
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test_model_parallel = True
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# special case for DoubleHeads model
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def _prepare_for_class(self, inputs_dict, model_class):
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inputs_dict = super()._prepare_for_class(inputs_dict, model_class)
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return inputs_dict
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def setUp(self):
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self.model_tester = GPTModelTester(self)
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random.seed(128)
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np.random.seed(128)
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paddle.seed(128)
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def test_gpt_model(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_gpt_model(*config_and_inputs)
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def test_gpt_model_past(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_gpt_model_past(*config_and_inputs)
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def test_gpt_model_att_mask_past(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_gpt_model_attention_mask_past(*config_and_inputs)
|
|
|
|
def test_gpt_model_past_large_inputs(self):
|
|
config_and_inputs = self.model_tester.prepare_config_and_inputs()
|
|
self.model_tester.create_and_check_gpt_model_past_large_inputs(*config_and_inputs)
|
|
|
|
def test_gpt_lm_head_model(self):
|
|
config_and_inputs = self.model_tester.prepare_config_and_inputs()
|
|
self.model_tester.create_and_check_lm_head_model(*config_and_inputs)
|
|
|
|
def test_gpt_sequence_classification_model(self):
|
|
config_and_inputs = self.model_tester.prepare_config_and_inputs()
|
|
self.model_tester.create_and_check_gpt_for_sequence_classification(*config_and_inputs)
|
|
|
|
def test_gpt_token_classification_model(self):
|
|
config_and_inputs = self.model_tester.prepare_config_and_inputs()
|
|
self.model_tester.create_and_check_gpt_for_token_classification(*config_and_inputs)
|
|
|
|
def test_gpt_weight_initialization(self):
|
|
config_and_inputs = self.model_tester.prepare_config_and_inputs()
|
|
self.model_tester.create_and_check_gpt_weight_initialization(*config_and_inputs)
|
|
|
|
def _get_input_ids_and_config(self):
|
|
config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
|
|
|
|
input_ids = inputs_dict[self.input_name]
|
|
attention_mask = paddle.ones_like(input_ids, dtype=paddle.int64)
|
|
|
|
max_batch_size = 2
|
|
sequence_length = input_ids.shape[-1] // 2
|
|
input_ids = input_ids[:max_batch_size, :sequence_length]
|
|
attention_mask = attention_mask[:max_batch_size, :sequence_length]
|
|
max_length = 3
|
|
|
|
return config, input_ids, attention_mask, max_length
|
|
|
|
def test_inputs_embeds(self):
|
|
# NOTE: rewrite test inputs embeds for gpt model since couldn't detect eos token id from inputs_embeds
|
|
# get config for model and inputs_dict for model forward
|
|
config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_gpt()
|
|
# test all model classes
|
|
for model_class in self.all_model_classes:
|
|
model = self._make_model_instance(config, model_class)
|
|
model.eval()
|
|
|
|
inputs = copy.deepcopy(self._prepare_for_class(inputs_dict, model_class))
|
|
|
|
with paddle.no_grad():
|
|
ids_output = model(**inputs)
|
|
|
|
if not self.is_encoder_decoder:
|
|
input_ids = inputs["input_ids"]
|
|
del inputs["input_ids"]
|
|
else:
|
|
encoder_input_ids = inputs["input_ids"]
|
|
decoder_input_ids = inputs.get("decoder_input_ids", encoder_input_ids)
|
|
del inputs["input_ids"]
|
|
inputs.pop("decoder_input_ids", None)
|
|
|
|
wte = model.get_input_embeddings()
|
|
if not self.is_encoder_decoder:
|
|
inputs["inputs_embeds"] = wte(input_ids)
|
|
else:
|
|
inputs["inputs_embeds"] = wte(encoder_input_ids)
|
|
inputs["decoder_inputs_embeds"] = wte(decoder_input_ids)
|
|
|
|
with paddle.no_grad():
|
|
embeds_output = model(**inputs)
|
|
|
|
self.assertTrue(paddle.allclose(ids_output, embeds_output, rtol=1e-4, atol=1e-4))
|
|
|
|
@require_gpu(1)
|
|
def test_batch_generation(self):
|
|
model = GPTForCausalLM.from_pretrained("gpt2-en")
|
|
model.eval()
|
|
tokenizer = GPTTokenizer.from_pretrained("gpt2-en")
|
|
|
|
tokenizer.padding_side = "left"
|
|
|
|
# Define PAD Token = EOS Token = 50256
|
|
tokenizer.pad_token = tokenizer.eos_token
|
|
model.pad_token_id = tokenizer.eos_token_id
|
|
getattr(model, model.base_model_prefix).config["pad_token_id"] = getattr(
|
|
model, model.base_model_prefix
|
|
).config["eos_token_id"]
|
|
|
|
# use different length sentences to test batching
|
|
sentences = [
|
|
"Hello, my dog is a little",
|
|
"Today, I",
|
|
]
|
|
|
|
inputs = tokenizer(
|
|
sentences,
|
|
return_tensors="pd",
|
|
padding=True,
|
|
return_attention_mask=True,
|
|
return_position_ids=True,
|
|
left_padding=True,
|
|
)
|
|
input_ids = inputs["input_ids"]
|
|
|
|
outputs, _ = model.generate(
|
|
input_ids=input_ids,
|
|
position_ids=inputs["position_ids"],
|
|
decode_strategy="greedy_search",
|
|
attention_mask=inputs["attention_mask"],
|
|
use_cache=True,
|
|
)
|
|
batch_out_sentence = tokenizer.batch_decode(outputs, skip_special_tokens=True)
|
|
|
|
inputs_non_padded = tokenizer(sentences[0], return_tensors="pd")["input_ids"]
|
|
output_non_padded, _ = model.generate(
|
|
input_ids=inputs_non_padded, use_cache=True, decode_strategy="greedy_search"
|
|
)
|
|
non_padded_sentence = tokenizer.decode(output_non_padded[0], skip_special_tokens=True)
|
|
|
|
inputs_padded = tokenizer(sentences[1], return_tensors="pd")["input_ids"]
|
|
output_padded, _ = model.generate(input_ids=inputs_padded, use_cache=True, decode_strategy="greedy_search")
|
|
padded_sentence = tokenizer.decode(output_padded[0], skip_special_tokens=True)
|
|
|
|
expected_output_sentence = [
|
|
" bit of a mess. I'm not sure if he's going to be able to walk or not",
|
|
"'m going to be doing a lot of research on this. I'm going to be doing a lot",
|
|
]
|
|
self.assertListEqual(expected_output_sentence, [non_padded_sentence, padded_sentence])
|
|
self.assertListEqual(expected_output_sentence, batch_out_sentence)
|
|
|
|
@slow
|
|
def test_model_from_pretrained(self):
|
|
for model_name in GPT2_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
|
|
model = GPTModel.from_pretrained(model_name)
|
|
self.assertIsNotNone(model)
|
|
|
|
|
|
class GPTCompatibilityTest(unittest.TestCase):
|
|
test_model_id = "hf-internal-testing/tiny-random-GPT2Model"
|
|
|
|
@classmethod
|
|
@require_package("transformers", "torch")
|
|
def setUpClass(cls) -> None:
|
|
from transformers import GPT2Model
|
|
|
|
# when python application is done, `TemporaryDirectory` will be free
|
|
cls.torch_model_path = tempfile.TemporaryDirectory().name
|
|
model = GPT2Model.from_pretrained(cls.test_model_id)
|
|
model.save_pretrained(cls.torch_model_path)
|
|
|
|
@parameterized.expand(
|
|
[
|
|
("GPTModel", "GPT2Model"),
|
|
("GPTForSequenceClassification", "GPT2ForSequenceClassification"),
|
|
("GPTForTokenClassification", "GPT2ForTokenClassification"),
|
|
("GPTForCausalLM", "GPT2LMHeadModel"),
|
|
]
|
|
)
|
|
@require_package("transformers", "torch")
|
|
def test_gpt_classes_from_local_dir(self, paddle_class_name, pytorch_class_name: str | None = None):
|
|
pytorch_class_name = pytorch_class_name or paddle_class_name
|
|
with tempfile.TemporaryDirectory() as tempdir:
|
|
|
|
# 1. create common input
|
|
input_ids = np.random.randint(100, 200, [1, 20])
|
|
|
|
# 2. forward the torch model
|
|
import torch
|
|
import transformers
|
|
|
|
torch_model_class = getattr(transformers, pytorch_class_name)
|
|
torch_model = torch_model_class.from_pretrained(self.torch_model_path)
|
|
torch_model.eval()
|
|
|
|
torch_model.save_pretrained(tempdir)
|
|
torch_logit = torch_model(torch.tensor(input_ids), return_dict=False)[0]
|
|
|
|
# 3. forward the paddle model
|
|
from paddlenlp import transformers
|
|
|
|
paddle_model_class = getattr(transformers, paddle_class_name)
|
|
paddle_model = paddle_model_class.from_pretrained(tempdir, convert_from_torch=True)
|
|
paddle_model.eval()
|
|
|
|
paddle_logit = paddle_model(paddle.to_tensor(input_ids), return_dict=False)[0]
|
|
|
|
self.assertTrue(
|
|
np.allclose(
|
|
paddle_logit.detach().cpu().numpy().reshape([-1])[:9],
|
|
torch_logit.detach().cpu().numpy().reshape([-1])[:9],
|
|
atol=1e-3,
|
|
)
|
|
)
|
|
|
|
|
|
class GPTModelLanguageGenerationTest(PaddleNLPModelTest):
|
|
def _test_lm_generate_gpt_helper(
|
|
self,
|
|
verify_outputs=True,
|
|
):
|
|
model = GPTForCausalLM.from_pretrained("gpt2-en")
|
|
model.eval()
|
|
|
|
# The dog
|
|
input_ids = paddle.to_tensor([[464, 3290]], dtype="int64")
|
|
|
|
# The dog was found in a field near the intersection of West and West Streets.\n\nThe dog
|
|
# fmt: off
|
|
expected_output_ids = [
|
|
373,
|
|
1043,
|
|
287,
|
|
257,
|
|
2214,
|
|
1474,
|
|
262,
|
|
16246,
|
|
286,
|
|
2688,
|
|
290,
|
|
2688,
|
|
27262,
|
|
13,
|
|
198,
|
|
198,
|
|
464,
|
|
3290,
|
|
]
|
|
# fmt: on
|
|
output_ids, _ = model.generate(input_ids, decode_strategy="greedy_search", max_length=18)
|
|
if verify_outputs:
|
|
self.assertListEqual(output_ids[0].tolist(), expected_output_ids)
|
|
|
|
@slow
|
|
def test_lm_generate_gpt(self):
|
|
self._test_lm_generate_gpt_helper()
|
|
|
|
@slow
|
|
def test_gpt_sample(self):
|
|
tokenizer = GPTTokenizer.from_pretrained("gpt2-medium-en")
|
|
model = GPTForCausalLM.from_pretrained("gpt2-medium-en")
|
|
model.eval()
|
|
|
|
paddle.seed(128)
|
|
np.random.seed(128)
|
|
random.seed(128)
|
|
|
|
tokenized = tokenizer(
|
|
"Today is a nice day and", return_tensors="pd", return_position_ids=True, return_attention_mask=True
|
|
)
|
|
input_ids = tokenized["input_ids"]
|
|
|
|
output_ids, _ = model.generate(
|
|
input_ids,
|
|
attention_mask=tokenized["attention_mask"],
|
|
position_ids=tokenized["position_ids"],
|
|
decode_strategy="sampling",
|
|
top_k=1,
|
|
)
|
|
output_str = tokenizer.decode(output_ids[0], skip_special_tokens=True)
|
|
|
|
output_seq, _ = model.generate(
|
|
input_ids=input_ids,
|
|
attention_mask=tokenized["attention_mask"],
|
|
position_ids=tokenized["position_ids"],
|
|
decode_strategy="sampling",
|
|
top_k=1,
|
|
num_return_sequences=5,
|
|
)
|
|
output_seq_strs = tokenizer.batch_decode(output_seq, skip_special_tokens=True)
|
|
|
|
EXPECTED_OUTPUT_STR = " I'm going to go out and do some shopping. I'm going to go to the mall and"
|
|
self.assertEqual(output_seq_strs[0], EXPECTED_OUTPUT_STR)
|
|
self.assertEqual(output_str, EXPECTED_OUTPUT_STR)
|
|
|
|
@slow
|
|
def test_gpt_sample_max_time(self):
|
|
# NOTE: duration changed sharply and can not be limit in a range for now.
|
|
tokenizer = GPTTokenizer.from_pretrained("gpt2-medium-en")
|
|
model = GPTForCausalLM.from_pretrained("gpt2-medium-en")
|
|
model.eval()
|
|
|
|
paddle.seed(0)
|
|
np.random.seed(0)
|
|
random.seed(0)
|
|
|
|
tokenized = tokenizer("Today is a nice day and", return_tensors="pd")
|
|
input_ids = tokenized["input_ids"]
|
|
|
|
MAX_TIME = 0.5
|
|
|
|
start = datetime.datetime.now()
|
|
model.generate(input_ids, decode_strategy="sampling", max_time=MAX_TIME, max_length=256)
|
|
datetime.datetime.now() - start
|
|
# duration = datetime.datetime.now() - start
|
|
# self.assertGreater(duration, datetime.timedelta(seconds=MAX_TIME))
|
|
# self.assertLess(duration, datetime.timedelta(seconds=1.5 * MAX_TIME))
|
|
|
|
start = datetime.datetime.now()
|
|
model.generate(input_ids, decode_strategy="greedy_search", max_time=MAX_TIME, max_length=256)
|
|
datetime.datetime.now() - start
|
|
# duration = datetime.datetime.now() - start
|
|
# self.assertGreater(duration, datetime.timedelta(seconds=MAX_TIME))
|
|
# self.assertLess(duration, datetime.timedelta(seconds=1.5 * MAX_TIME))
|
|
|
|
start = datetime.datetime.now()
|
|
model.generate(input_ids, decode_strategy="beam_search", num_beams=2, max_time=MAX_TIME, max_length=256)
|
|
datetime.datetime.now() - start
|
|
# duration = datetime.datetime.now() - start
|
|
# self.assertGreater(duration, datetime.timedelta(seconds=MAX_TIME))
|
|
# self.assertLess(duration, datetime.timedelta(seconds=1.5 * MAX_TIME))
|