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test_blip2.py
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test_blip2.py
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# Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
# Copyright 2023 The HuggingFace Inc. team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import sys
sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)), "../.."))
import inspect
import tempfile
import unittest
import numpy as np
import paddle
import paddle.nn as nn
from paddlenlp.transformers.opt.configuration import OPTConfig
from paddlemix.models.blip2 import (
Blip2Config,
Blip2ForConditionalGeneration,
Blip2QFormerConfig,
Blip2VisionConfig,
)
from paddlemix.models.blip2.eva_vit import VisionTransformer
from paddlemix.models.blip2.modeling import BLIP_2_PRETRAINED_MODEL_ARCHIVE_LIST
from paddlemix.models.blip2.Qformer import BertLMHeadModel
from tests.models.test_configuration_common import ConfigTester
from tests.models.test_modeling_common import (
ModelTesterMixin,
floats_tensor,
ids_tensor,
random_attention_mask,
)
from tests.testing_utils import slow
class Blip2VisionModelTester:
def __init__(
self,
parent,
batch_size=12,
is_training=True,
num_channels=3,
depth=39,
drop_rate=0,
embed_dim=1408,
epsilon=1e-06,
gradient_checkpointing=False,
img_size=224,
mlp_ratio=4.3637,
num_heads=16,
patch_size=14,
qkv_bias=True,
return_dict=True,
):
self.parent = parent
self.batch_size = batch_size
self.image_size = img_size
self.patch_size = patch_size
self.num_channels = num_channels
self.is_training = is_training
self.embed_dim = embed_dim
self.drop_rate = drop_rate
self.epsilon = epsilon
self.drop_rate = drop_rate
self.gradient_checkpointing = gradient_checkpointing
self.mlp_ratio = mlp_ratio
self.num_heads = num_heads
self.qkv_bias = qkv_bias
self.return_dict = return_dict
self.depth = depth
# in ViT, the seq length equals the number of patches + 1 (we add 1 for the [CLS] token)
num_patches = (img_size // patch_size) ** 2
self.seq_length = num_patches + 1
def prepare_config_and_inputs(self):
pixel_values = floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size])
config = self.get_config()
return config, pixel_values
def get_config(self):
return Blip2VisionConfig(
image_size=self.image_size,
patch_size=self.patch_size,
num_channels=self.num_channels,
drop_rate=self.drop_rate,
epsilon=self.epsilon,
gradient_checkpointing=self.gradient_checkpointing,
mlp_ratio=self.mlp_ratio,
num_heads=self.num_heads,
qkv_bias=self.qkv_bias,
return_dict=self.return_dict,
depth=self.depth,
)
def create_and_check_model(self, config, pixel_values):
model = VisionTransformer(config=config)
model.eval()
with paddle.no_grad():
result = model(pixel_values)
# expected sequence length = num_patches + 1 (we add 1 for the [CLS] token)
image_size = (self.image_size, self.image_size)
patch_size = (self.patch_size, self.patch_size)
num_patches = (image_size[1] // patch_size[1]) * (image_size[0] // patch_size[0])
self.parent.assertEqual(
result.shape,
[self.batch_size, num_patches + 1, self.embed_dim],
)
def prepare_config_and_inputs_for_common(self):
config_and_inputs = self.prepare_config_and_inputs()
config, pixel_values = config_and_inputs
inputs_dict = {"pixel_values": pixel_values}
return config, inputs_dict
class Blip2VisionModelTest(ModelTesterMixin, unittest.TestCase):
"""
Here we also overwrite some of the tests of test_modeling_common.py, as BLIP-2's vision encoder does not use input_ids, inputs_embeds,
attention_mask and seq_length.
"""
all_model_classes = (VisionTransformer,)
fx_compatible = False
test_pruning = False
test_resize_embeddings = False
test_head_masking = False
use_test_model_name_list = False
def setUp(self):
self.model_tester = Blip2VisionModelTester(self)
self.config_tester = ConfigTester(
self,
config_class=Blip2VisionConfig,
has_text_modality=False,
hidden_size=37,
)
def test_config(self):
self.config_tester.run_common_tests()
@unittest.skip(reason="BLIP-2's vision encoder does not use inputs_embeds")
def test_inputs_embeds(self):
pass
def test_model_common_attributes(self):
config, _ = self.model_tester.prepare_config_and_inputs_for_common()
for model_class in self.all_model_classes:
model = model_class(config)
# self.assertIsInstance(model.get_input_embeddings(), (nn.Layer))
x = model.get_output_embeddings()
self.assertTrue(x is None or isinstance(x, nn.Linear))
def test_forward_signature(self):
config, _ = self.model_tester.prepare_config_and_inputs_for_common()
for model_class in self.all_model_classes:
model = model_class(config)
signature = inspect.signature(model.forward)
# signature.parameters is an OrderedDict => so arg_names order is deterministic
arg_names = [*signature.parameters.keys()]
expected_arg_names = ["pixel_values"]
self.assertListEqual(arg_names[:1], expected_arg_names)
def test_model(self):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_model(*config_and_inputs)
@slow
def test_model_from_pretrained(self):
for model_name in BLIP_2_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
model = VisionTransformer.from_pretrained(model_name)
self.assertIsNotNone(model)
class BertLMHeadModelTester:
def __init__(
self,
parent,
batch_size=12,
seq_length=32,
is_training=True,
add_cross_attention=True,
attention_probs_dropout_prob=0.1,
cross_attention_freq=2,
embed_dim=256,
fuse=False,
hidden_act="gelu",
hidden_dropout_prob=0.1,
hidden_size=768,
initializer_range=0.02,
intermediate_size=3072,
layer_norm_eps=1e-12,
max_position_embedding=512,
model_type="bert",
num_attention_heads=12,
num_hidden_layers=12,
num_query_tokens=32,
pad_token_id=0,
pool_act="tanh",
type_vocab_size=2,
vocab_size=30522,
text_hidden_size=2560,
encoder_width=1408,
):
self.parent = parent
self.batch_size = batch_size
self.seq_length = seq_length
self.is_training = is_training
self.add_cross_attention = add_cross_attention
self.attention_probs_dropout_prob = attention_probs_dropout_prob
self.cross_attention_freq = cross_attention_freq
self.embed_dim = embed_dim
self.fuse = fuse
self.hidden_act = hidden_act
self.hidden_dropout_prob = hidden_dropout_prob
self.hidden_size = hidden_size
self.initializer_range = initializer_range
self.intermediate_size = intermediate_size
self.layer_norm_eps = layer_norm_eps
self.max_position_embedding = max_position_embedding
self.model_type = model_type
self.num_attention_heads = num_attention_heads
self.num_hidden_layers = num_hidden_layers
self.num_query_tokens = num_query_tokens
self.pad_token_id = pad_token_id
self.pool_act = pool_act
self.type_vocab_size = type_vocab_size
self.vocab_size = vocab_size
self.encoder_width = encoder_width
self.text_hidden_size = text_hidden_size
def prepare_config_and_inputs(self):
query_embeds = floats_tensor([self.batch_size, self.seq_length, self.hidden_size])
encoder_hidden_states = floats_tensor([self.batch_size, self.embed_dim + 1, self.encoder_width])
encoder_attention_mask = random_attention_mask([self.batch_size, self.embed_dim + 1])
config = self.get_config()
return config, query_embeds, encoder_hidden_states, encoder_attention_mask
def get_config(self):
return Blip2QFormerConfig(
add_cross_attention=self.add_cross_attention,
attention_probs_dropout_prob=self.attention_probs_dropout_prob,
cross_attention_freq=self.cross_attention_freq,
embed_dim=self.embed_dim,
fuse=self.fuse,
hidden_act=self.hidden_act,
hidden_dropout_prob=self.hidden_dropout_prob,
hidden_size=self.hidden_size,
initializer_range=self.initializer_range,
intermediate_size=self.intermediate_size,
layer_norm_eps=self.layer_norm_eps,
max_position_embedding=self.max_position_embedding,
model_type=self.model_type,
num_attention_heads=self.num_attention_heads,
num_hidden_layers=self.num_hidden_layers,
num_query_tokens=self.num_query_tokens,
pad_token_id=self.pad_token_id,
pool_act=self.pool_act,
type_vocab_size=self.type_vocab_size,
vocab_size=self.vocab_size,
)
def create_and_check_model(self, config, query_embeds, encoder_hidden_states, encoder_attention_mask):
model = BertLMHeadModel(
config=config, encoder_width=self.encoder_width, text_hidden_size=self.text_hidden_size
)
model = model.bert
model.eval()
result = model(
query_embeds=query_embeds,
encoder_hidden_states=encoder_hidden_states,
encoder_attention_mask=encoder_attention_mask,
)
self.parent.assertEqual(
result.last_hidden_state.shape,
[self.batch_size, self.seq_length, self.hidden_size],
)
model = BertLMHeadModel(
config=config, encoder_width=self.encoder_width, text_hidden_size=self.text_hidden_size
)
model.eval()
with paddle.no_grad():
result = model(
query_embeds,
encoder_hidden_states=encoder_hidden_states,
encoder_attention_mask=encoder_attention_mask,
)
self.parent.assertEqual(
result.last_hidden_state.shape,
[self.batch_size, self.seq_length, self.hidden_size],
)
def prepare_config_and_inputs_for_common(self):
config_and_inputs = self.prepare_config_and_inputs()
(
config,
query_embeds,
encoder_hidden_states,
encoder_attention_mask,
) = config_and_inputs
inputs_dict = {
"query_embeds": query_embeds,
"encoder_hidden_states": encoder_hidden_states,
"encoder_attention_mask": encoder_attention_mask,
}
return config, inputs_dict
class BertLMHeadModelTest(ModelTesterMixin, unittest.TestCase):
all_model_classes = (BertLMHeadModel,)
fx_compatible = False
test_pruning = False
test_resize_embeddings = False
test_head_masking = False
use_test_model_name_list = False
def setUp(self):
self.model_tester = BertLMHeadModelTester(self)
self.config_tester = ConfigTester(
self,
config_class=Blip2QFormerConfig,
has_text_modality=False,
hidden_size=37,
)
def test_config(self):
self.config_tester.run_common_tests()
def test_forward_signature(self):
config, _ = self.model_tester.prepare_config_and_inputs_for_common()
for model_class in self.all_model_classes:
model = model_class(config=config)
signature = inspect.signature(model.forward)
# signature.parameters is an OrderedDict => so arg_names order is deterministic
arg_names = [*signature.parameters.keys()]
expected_arg_names = ["input_ids"]
self.assertListEqual(arg_names[:1], expected_arg_names)
def test_save_load(self):
pass
class Blip2TextModelTester:
def __init__(
self,
parent,
batch_size=12,
seq_length=7,
is_training=True,
use_labels=False,
vocab_size=50272,
hidden_size=2560,
num_hidden_layers=5,
num_attention_heads=4,
intermediate_size=4,
hidden_act="gelu",
hidden_dropout_prob=0.1,
attention_probs_dropout_prob=0.1,
max_position_embeddings=2048,
eos_token_id=2,
pad_token_id=1,
bos_token_id=0,
embed_dim=16,
num_labels=3,
word_embed_proj_dim=2560,
type_sequence_label_size=2,
):
self.parent = parent
self.batch_size = batch_size
self.seq_length = seq_length
self.is_training = is_training
self.use_labels = use_labels
self.vocab_size = vocab_size
self.hidden_size = hidden_size
self.num_hidden_layers = num_hidden_layers
self.num_attention_heads = num_attention_heads
self.intermediate_size = intermediate_size
self.hidden_act = hidden_act
self.hidden_dropout_prob = hidden_dropout_prob
self.attention_probs_dropout_prob = attention_probs_dropout_prob
self.max_position_embeddings = max_position_embeddings
self.eos_token_id = eos_token_id
self.pad_token_id = pad_token_id
self.bos_token_id = bos_token_id
self.embed_dim = embed_dim
self.num_labels = num_labels
self.type_sequence_label_size = type_sequence_label_size
self.word_embed_proj_dim = word_embed_proj_dim
self.is_encoder_decoder = False
def prepare_config_and_inputs(self):
config = self.get_config()
input_ids = ids_tensor([self.batch_size, self.seq_length], self.vocab_size, dtype="int64").clip(
3,
)
input_ids[:, -1] = self.eos_token_id # Eos Token
attention_mask = input_ids.not_equal(paddle.to_tensor([self.pad_token_id], dtype="int64")).cast("int64")
return config, input_ids, attention_mask
def get_config(self):
return OPTConfig(
vocab_size=self.vocab_size,
hidden_size=self.hidden_size,
num_hidden_layers=self.num_hidden_layers,
num_attention_heads=self.num_attention_heads,
ffn_dim=self.intermediate_size,
hidden_dropout_prob=self.hidden_dropout_prob,
attention_dropout=self.attention_probs_dropout_prob,
max_position_embeddings=self.max_position_embeddings,
eos_token_id=self.eos_token_id,
bos_token_id=self.bos_token_id,
pad_token_id=self.pad_token_id,
embed_dim=self.embed_dim,
is_encoder_decoder=False,
word_embed_proj_dim=self.word_embed_proj_dim,
)
class Blip2ModelTester:
def __init__(
self,
parent,
vision_kwargs=None,
qformer_kwargs=None,
text_kwargs=None,
is_training=True,
num_query_tokens=10,
):
if vision_kwargs is None:
vision_kwargs = {}
if qformer_kwargs is None:
qformer_kwargs = {}
if text_kwargs is None:
text_kwargs = {}
self.parent = parent
self.vision_model_tester = Blip2VisionModelTester(parent, **vision_kwargs)
self.qformer_model_tester = BertLMHeadModelTester(parent, **qformer_kwargs)
self.text_model_tester = Blip2TextModelTester(parent, **text_kwargs)
self.is_training = is_training
self.num_query_tokens = num_query_tokens
def prepare_config_and_inputs(self):
_, pixel_values = self.vision_model_tester.prepare_config_and_inputs()
(
_,
input_ids,
attention_mask,
) = self.text_model_tester.prepare_config_and_inputs()
config = self.get_config()
return config, input_ids, attention_mask, pixel_values
def get_config(self):
return Blip2Config.from_vision_qformer_text_configs(
vision_config=self.vision_model_tester.get_config(),
qformer_config=self.qformer_model_tester.get_config(),
text_config=self.text_model_tester.get_config(),
num_query_tokens=self.num_query_tokens,
)
@unittest.skip(reason="BLIP-2's output needs to unified")
def create_and_check_for_conditional_generation(self, config, input_ids, attention_mask, pixel_values):
model = Blip2ForConditionalGeneration(config)
model.eval()
with paddle.no_grad():
result = model(pixel_values, input_ids, attention_mask, return_dict=True)
self.parent.assertEqual(
result.logits.shape,
[
self.vision_model_tester.batch_size,
self.text_model_tester.seq_length + self.num_query_tokens,
self.text_model_tester.vocab_size,
],
)
def prepare_config_and_inputs_for_common(self):
config_and_inputs = self.prepare_config_and_inputs()
(
config,
input_ids,
attention_mask,
pixel_values,
) = config_and_inputs
inputs_dict = {
"pixel_values": pixel_values,
"input_ids": input_ids,
"attention_mask": attention_mask,
}
config.text_config = "facebook/opt-2.7b"
return config, inputs_dict
class Blip2ModelTest(ModelTesterMixin, unittest.TestCase):
all_model_classes = (Blip2ForConditionalGeneration,)
fx_compatible = False
test_head_masking = False
test_pruning = False
test_resize_embeddings = False
test_attention_outputs = False
use_test_model_name_list = False
use_test_inputs_embeds: bool = False
def setUp(self):
self.model_tester = Blip2ModelTester(self)
def test_for_conditional_generation(self):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_for_conditional_generation(*config_and_inputs)
@unittest.skip(reason="Hidden_states is tested in individual model tests")
def test_hidden_states_output(self):
pass
def test_determinism(self):
config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
def check_determinism(first, second):
out_1 = first.numpy()
out_2 = second.numpy()
out_1 = out_1[~np.isnan(out_1)]
out_2 = out_2[~np.isnan(out_2)]
max_diff = np.amax(np.abs(out_1 - out_2))
self.assertLessEqual(max_diff, 1e-5)
for model_class in self.all_model_classes:
model = self._make_model_instance(config, model_class)
model.eval()
with paddle.no_grad():
input = self._prepare_for_class(inputs_dict, model_class)
first = model(**input)["loss"]
second = model(**input)["loss"]
if isinstance(first, tuple) and isinstance(second, tuple):
for tensor1, tensor2 in zip(first, second):
check_determinism(tensor1, tensor2)
else:
check_determinism(first, second)
def test_forward_signature(self):
config, _ = self.model_tester.prepare_config_and_inputs_for_common()
for model_class in self.all_model_classes:
model = model_class(config)
signature = inspect.signature(model.forward)
# signature.parameters is an OrderedDict => so arg_names order is deterministic
arg_names = [*signature.parameters.keys()]
expected_arg_names = ["pixel_values"]
self.assertListEqual(arg_names[:1], expected_arg_names)
def test_load_vision_qformer_text_config(self):
config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
# Save Blip2Config and check if we can load Blip2VisionConfig from it
with tempfile.TemporaryDirectory() as tmp_dir_name:
config.save_pretrained(tmp_dir_name)
vision_config = Blip2VisionConfig.from_pretrained(tmp_dir_name)
self.assertDictEqual(config.vision_config.to_dict(), vision_config.to_dict())
# Save Blip2Config and check if we can load Blip2QFormerConfig from it
with tempfile.TemporaryDirectory() as tmp_dir_name:
config.save_pretrained(tmp_dir_name)
qformer_config = Blip2QFormerConfig.from_pretrained(tmp_dir_name)
self.assertDictEqual(config.qformer_config.to_dict(), qformer_config.to_dict())
@slow
def test_model_from_pretrained(self):
for model_name in BLIP_2_PRETRAINED_MODEL_ARCHIVE_LIST:
model = Blip2ForConditionalGeneration.from_pretrained(model_name)
self.assertIsNotNone(model)
def test_save_load(self):
pass
if __name__ == "__main__":
unittest.main()