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import unittest
import numpy as np
import torch
from transformers import CLIPTextConfig, CLIPTextModel, CLIPTextModelWithProjection, CLIPTokenizer
import diffusers
from diffusers import (
AnimateDiffSDXLPipeline,
AutoencoderKL,
DDIMScheduler,
MotionAdapter,
UNet2DConditionModel,
UNetMotionModel,
)
from diffusers.utils import is_xformers_available, logging
from diffusers.utils.testing_utils import torch_device
from ..pipeline_params import TEXT_TO_IMAGE_BATCH_PARAMS, TEXT_TO_IMAGE_CALLBACK_CFG_PARAMS, TEXT_TO_IMAGE_PARAMS
from ..test_pipelines_common import (
IPAdapterTesterMixin,
PipelineTesterMixin,
SDFunctionTesterMixin,
SDXLOptionalComponentsTesterMixin,
)
def to_np(tensor):
if isinstance(tensor, torch.Tensor):
tensor = tensor.detach().cpu().numpy()
return tensor
class AnimateDiffPipelineSDXLFastTests(
IPAdapterTesterMixin,
SDFunctionTesterMixin,
PipelineTesterMixin,
SDXLOptionalComponentsTesterMixin,
unittest.TestCase,
):
pipeline_class = AnimateDiffSDXLPipeline
params = TEXT_TO_IMAGE_PARAMS
batch_params = TEXT_TO_IMAGE_BATCH_PARAMS
required_optional_params = frozenset(
[
"num_inference_steps",
"generator",
"latents",
"return_dict",
"callback_on_step_end",
"callback_on_step_end_tensor_inputs",
]
)
callback_cfg_params = TEXT_TO_IMAGE_CALLBACK_CFG_PARAMS.union({"add_text_embeds", "add_time_ids"})
def get_dummy_components(self, time_cond_proj_dim=None):
torch.manual_seed(0)
unet = UNet2DConditionModel(
block_out_channels=(32, 64, 128),
layers_per_block=2,
time_cond_proj_dim=time_cond_proj_dim,
sample_size=32,
in_channels=4,
out_channels=4,
down_block_types=("DownBlock2D", "CrossAttnDownBlock2D", "CrossAttnDownBlock2D"),
up_block_types=("CrossAttnUpBlock2D", "CrossAttnUpBlock2D", "UpBlock2D"),
# SD2-specific config below
attention_head_dim=(2, 4, 8),
use_linear_projection=True,
addition_embed_type="text_time",
addition_time_embed_dim=8,
transformer_layers_per_block=(1, 2, 4),
projection_class_embeddings_input_dim=80, # 6 * 8 + 32
cross_attention_dim=64,
norm_num_groups=1,
)
scheduler = DDIMScheduler(
beta_start=0.00085,
beta_end=0.012,
beta_schedule="linear",
clip_sample=False,
)
torch.manual_seed(0)
vae = AutoencoderKL(
block_out_channels=[32, 64],
in_channels=3,
out_channels=3,
down_block_types=["DownEncoderBlock2D", "DownEncoderBlock2D"],
up_block_types=["UpDecoderBlock2D", "UpDecoderBlock2D"],
latent_channels=4,
sample_size=128,
)
torch.manual_seed(0)
text_encoder_config = CLIPTextConfig(
bos_token_id=0,
eos_token_id=2,
hidden_size=32,
intermediate_size=37,
layer_norm_eps=1e-05,
num_attention_heads=4,
num_hidden_layers=5,
pad_token_id=1,
vocab_size=1000,
# SD2-specific config below
hidden_act="gelu",
projection_dim=32,
)
text_encoder = CLIPTextModel(text_encoder_config)
tokenizer = CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip")
text_encoder_2 = CLIPTextModelWithProjection(text_encoder_config)
tokenizer_2 = CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip")
motion_adapter = MotionAdapter(
block_out_channels=(32, 64, 128),
motion_layers_per_block=2,
motion_norm_num_groups=2,
motion_num_attention_heads=4,
use_motion_mid_block=False,
)
components = {
"unet": unet,
"scheduler": scheduler,
"vae": vae,
"motion_adapter": motion_adapter,
"text_encoder": text_encoder,
"tokenizer": tokenizer,
"text_encoder_2": text_encoder_2,
"tokenizer_2": tokenizer_2,
"feature_extractor": None,
"image_encoder": None,
}
return components
def get_dummy_inputs(self, device, seed=0):
if str(device).startswith("mps"):
generator = torch.manual_seed(seed)
else:
generator = torch.Generator(device=device).manual_seed(seed)
inputs = {
"prompt": "A painting of a squirrel eating a burger",
"generator": generator,
"num_inference_steps": 2,
"guidance_scale": 7.5,
"output_type": "np",
}
return inputs
def test_motion_unet_loading(self):
components = self.get_dummy_components()
pipe = AnimateDiffSDXLPipeline(**components)
assert isinstance(pipe.unet, UNetMotionModel)
@unittest.skip("Attention slicing is not enabled in this pipeline")
def test_attention_slicing_forward_pass(self):
pass
def test_inference_batch_single_identical(
self,
batch_size=2,
expected_max_diff=1e-4,
additional_params_copy_to_batched_inputs=["num_inference_steps"],
):
components = self.get_dummy_components()
pipe = self.pipeline_class(**components)
for components in pipe.components.values():
if hasattr(components, "set_default_attn_processor"):
components.set_default_attn_processor()
pipe.to(torch_device)
pipe.set_progress_bar_config(disable=None)
inputs = self.get_dummy_inputs(torch_device)
# Reset generator in case it is has been used in self.get_dummy_inputs
inputs["generator"] = self.get_generator(0)
logger = logging.get_logger(pipe.__module__)
logger.setLevel(level=diffusers.logging.FATAL)
# batchify inputs
batched_inputs = {}
batched_inputs.update(inputs)
for name in self.batch_params:
if name not in inputs:
continue
value = inputs[name]
if name == "prompt":
len_prompt = len(value)
batched_inputs[name] = [value[: len_prompt // i] for i in range(1, batch_size + 1)]
batched_inputs[name][-1] = 100 * "very long"
else:
batched_inputs[name] = batch_size * [value]
if "generator" in inputs:
batched_inputs["generator"] = [self.get_generator(i) for i in range(batch_size)]
if "batch_size" in inputs:
batched_inputs["batch_size"] = batch_size
for arg in additional_params_copy_to_batched_inputs:
batched_inputs[arg] = inputs[arg]
output = pipe(**inputs)
output_batch = pipe(**batched_inputs)
assert output_batch[0].shape[0] == batch_size
max_diff = np.abs(to_np(output_batch[0][0]) - to_np(output[0][0])).max()
assert max_diff < expected_max_diff
@unittest.skipIf(torch_device != "cuda", reason="CUDA and CPU are required to switch devices")
def test_to_device(self):
components = self.get_dummy_components()
pipe = self.pipeline_class(**components)
pipe.set_progress_bar_config(disable=None)
pipe.to("cpu")
# pipeline creates a new motion UNet under the hood. So we need to check the device from pipe.components
model_devices = [
component.device.type for component in pipe.components.values() if hasattr(component, "device")
]
self.assertTrue(all(device == "cpu" for device in model_devices))
output_cpu = pipe(**self.get_dummy_inputs("cpu"))[0]
self.assertTrue(np.isnan(output_cpu).sum() == 0)
pipe.to("cuda")
model_devices = [
component.device.type for component in pipe.components.values() if hasattr(component, "device")
]
self.assertTrue(all(device == "cuda" for device in model_devices))
output_cuda = pipe(**self.get_dummy_inputs("cuda"))[0]
self.assertTrue(np.isnan(to_np(output_cuda)).sum() == 0)
def test_to_dtype(self):
components = self.get_dummy_components()
pipe = self.pipeline_class(**components)
pipe.set_progress_bar_config(disable=None)
# pipeline creates a new motion UNet under the hood. So we need to check the dtype from pipe.components
model_dtypes = [component.dtype for component in pipe.components.values() if hasattr(component, "dtype")]
self.assertTrue(all(dtype == torch.float32 for dtype in model_dtypes))
pipe.to(dtype=torch.float16)
model_dtypes = [component.dtype for component in pipe.components.values() if hasattr(component, "dtype")]
self.assertTrue(all(dtype == torch.float16 for dtype in model_dtypes))
def test_prompt_embeds(self):
components = self.get_dummy_components()
pipe = self.pipeline_class(**components)
pipe.set_progress_bar_config(disable=None)
pipe.to(torch_device)
inputs = self.get_dummy_inputs(torch_device)
prompt = inputs.pop("prompt")
(
prompt_embeds,
negative_prompt_embeds,
pooled_prompt_embeds,
negative_pooled_prompt_embeds,
) = pipe.encode_prompt(prompt)
pipe(
**inputs,
prompt_embeds=prompt_embeds,
negative_prompt_embeds=negative_prompt_embeds,
pooled_prompt_embeds=pooled_prompt_embeds,
negative_pooled_prompt_embeds=negative_pooled_prompt_embeds,
)
def test_save_load_optional_components(self):
self._test_save_load_optional_components()
@unittest.skipIf(
torch_device != "cuda" or not is_xformers_available(),
reason="XFormers attention is only available with CUDA and `xformers` installed",
)
def test_xformers_attention_forwardGenerator_pass(self):
components = self.get_dummy_components()
pipe = self.pipeline_class(**components)
for component in pipe.components.values():
if hasattr(component, "set_default_attn_processor"):
component.set_default_attn_processor()
pipe.to(torch_device)
pipe.set_progress_bar_config(disable=None)
inputs = self.get_dummy_inputs(torch_device)
output_without_offload = pipe(**inputs).frames[0]
output_without_offload = (
output_without_offload.cpu() if torch.is_tensor(output_without_offload) else output_without_offload
)
pipe.enable_xformers_memory_efficient_attention()
inputs = self.get_dummy_inputs(torch_device)
output_with_offload = pipe(**inputs).frames[0]
output_with_offload = (
output_with_offload.cpu() if torch.is_tensor(output_with_offload) else output_without_offload
)
max_diff = np.abs(to_np(output_with_offload) - to_np(output_without_offload)).max()
self.assertLess(max_diff, 1e-4, "XFormers attention should not affect the inference results")
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