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test_controlnet_sdxl.py
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# coding=utf-8
# Copyright 2024 HuggingFace Inc.
#
# 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 copy
import gc
import unittest
import numpy as np
import torch
from transformers import CLIPTextConfig, CLIPTextModel, CLIPTextModelWithProjection, CLIPTokenizer
from diffusers import (
AutoencoderKL,
ControlNetModel,
EulerDiscreteScheduler,
HeunDiscreteScheduler,
LCMScheduler,
StableDiffusionXLControlNetPipeline,
StableDiffusionXLImg2ImgPipeline,
UNet2DConditionModel,
)
from diffusers.models.unets.unet_2d_blocks import UNetMidBlock2D
from diffusers.pipelines.controlnet.pipeline_controlnet import MultiControlNetModel
from diffusers.utils.import_utils import is_xformers_available
from diffusers.utils.testing_utils import (
backend_empty_cache,
enable_full_determinism,
load_image,
require_torch_accelerator,
slow,
torch_device,
)
from diffusers.utils.torch_utils import randn_tensor
from ..pipeline_params import (
IMAGE_TO_IMAGE_IMAGE_PARAMS,
TEXT_TO_IMAGE_BATCH_PARAMS,
TEXT_TO_IMAGE_IMAGE_PARAMS,
TEXT_TO_IMAGE_PARAMS,
)
from ..test_pipelines_common import (
IPAdapterTesterMixin,
PipelineKarrasSchedulerTesterMixin,
PipelineLatentTesterMixin,
PipelineTesterMixin,
)
enable_full_determinism()
class StableDiffusionXLControlNetPipelineFastTests(
IPAdapterTesterMixin,
PipelineLatentTesterMixin,
PipelineKarrasSchedulerTesterMixin,
PipelineTesterMixin,
unittest.TestCase,
):
pipeline_class = StableDiffusionXLControlNetPipeline
params = TEXT_TO_IMAGE_PARAMS
batch_params = TEXT_TO_IMAGE_BATCH_PARAMS
image_params = IMAGE_TO_IMAGE_IMAGE_PARAMS
image_latents_params = TEXT_TO_IMAGE_IMAGE_PARAMS
test_layerwise_casting = True
test_group_offloading = True
def get_dummy_components(self, time_cond_proj_dim=None):
torch.manual_seed(0)
unet = UNet2DConditionModel(
block_out_channels=(32, 64),
layers_per_block=2,
sample_size=32,
in_channels=4,
out_channels=4,
down_block_types=("DownBlock2D", "CrossAttnDownBlock2D"),
up_block_types=("CrossAttnUpBlock2D", "UpBlock2D"),
# SD2-specific config below
attention_head_dim=(2, 4),
use_linear_projection=True,
addition_embed_type="text_time",
addition_time_embed_dim=8,
transformer_layers_per_block=(1, 2),
projection_class_embeddings_input_dim=80, # 6 * 8 + 32
cross_attention_dim=64,
time_cond_proj_dim=time_cond_proj_dim,
)
torch.manual_seed(0)
controlnet = ControlNetModel(
block_out_channels=(32, 64),
layers_per_block=2,
in_channels=4,
down_block_types=("DownBlock2D", "CrossAttnDownBlock2D"),
conditioning_embedding_out_channels=(16, 32),
# SD2-specific config below
attention_head_dim=(2, 4),
use_linear_projection=True,
addition_embed_type="text_time",
addition_time_embed_dim=8,
transformer_layers_per_block=(1, 2),
projection_class_embeddings_input_dim=80, # 6 * 8 + 32
cross_attention_dim=64,
)
torch.manual_seed(0)
scheduler = EulerDiscreteScheduler(
beta_start=0.00085,
beta_end=0.012,
steps_offset=1,
beta_schedule="scaled_linear",
timestep_spacing="leading",
)
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,
)
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")
components = {
"unet": unet,
"controlnet": controlnet,
"scheduler": scheduler,
"vae": vae,
"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)
controlnet_embedder_scale_factor = 2
image = randn_tensor(
(1, 3, 32 * controlnet_embedder_scale_factor, 32 * controlnet_embedder_scale_factor),
generator=generator,
device=torch.device(device),
)
inputs = {
"prompt": "A painting of a squirrel eating a burger",
"generator": generator,
"num_inference_steps": 2,
"guidance_scale": 6.0,
"output_type": "np",
"image": image,
}
return inputs
def test_attention_slicing_forward_pass(self):
return self._test_attention_slicing_forward_pass(expected_max_diff=2e-3)
def test_ip_adapter(self, from_ssd1b=False, expected_pipe_slice=None):
if not from_ssd1b:
expected_pipe_slice = None
if torch_device == "cpu":
expected_pipe_slice = np.array(
[0.7335, 0.5866, 0.5623, 0.6242, 0.5751, 0.5999, 0.4091, 0.4590, 0.5054]
)
return super().test_ip_adapter(expected_pipe_slice=expected_pipe_slice)
@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):
self._test_xformers_attention_forwardGenerator_pass(expected_max_diff=2e-3)
def test_inference_batch_single_identical(self):
self._test_inference_batch_single_identical(expected_max_diff=2e-3)
@unittest.skip("We test this functionality elsewhere already.")
def test_save_load_optional_components(self):
pass
@require_torch_accelerator
def test_stable_diffusion_xl_offloads(self):
pipes = []
components = self.get_dummy_components()
sd_pipe = self.pipeline_class(**components).to(torch_device)
pipes.append(sd_pipe)
components = self.get_dummy_components()
sd_pipe = self.pipeline_class(**components)
sd_pipe.enable_model_cpu_offload(device=torch_device)
pipes.append(sd_pipe)
components = self.get_dummy_components()
sd_pipe = self.pipeline_class(**components)
sd_pipe.enable_sequential_cpu_offload(device=torch_device)
pipes.append(sd_pipe)
image_slices = []
for pipe in pipes:
pipe.unet.set_default_attn_processor()
inputs = self.get_dummy_inputs(torch_device)
image = pipe(**inputs).images
image_slices.append(image[0, -3:, -3:, -1].flatten())
assert np.abs(image_slices[0] - image_slices[1]).max() < 1e-3
assert np.abs(image_slices[0] - image_slices[2]).max() < 1e-3
def test_stable_diffusion_xl_multi_prompts(self):
components = self.get_dummy_components()
sd_pipe = self.pipeline_class(**components).to(torch_device)
# forward with single prompt
inputs = self.get_dummy_inputs(torch_device)
output = sd_pipe(**inputs)
image_slice_1 = output.images[0, -3:, -3:, -1]
# forward with same prompt duplicated
inputs = self.get_dummy_inputs(torch_device)
inputs["prompt_2"] = inputs["prompt"]
output = sd_pipe(**inputs)
image_slice_2 = output.images[0, -3:, -3:, -1]
# ensure the results are equal
assert np.abs(image_slice_1.flatten() - image_slice_2.flatten()).max() < 1e-4
# forward with different prompt
inputs = self.get_dummy_inputs(torch_device)
inputs["prompt_2"] = "different prompt"
output = sd_pipe(**inputs)
image_slice_3 = output.images[0, -3:, -3:, -1]
# ensure the results are not equal
assert np.abs(image_slice_1.flatten() - image_slice_3.flatten()).max() > 1e-4
# manually set a negative_prompt
inputs = self.get_dummy_inputs(torch_device)
inputs["negative_prompt"] = "negative prompt"
output = sd_pipe(**inputs)
image_slice_1 = output.images[0, -3:, -3:, -1]
# forward with same negative_prompt duplicated
inputs = self.get_dummy_inputs(torch_device)
inputs["negative_prompt"] = "negative prompt"
inputs["negative_prompt_2"] = inputs["negative_prompt"]
output = sd_pipe(**inputs)
image_slice_2 = output.images[0, -3:, -3:, -1]
# ensure the results are equal
assert np.abs(image_slice_1.flatten() - image_slice_2.flatten()).max() < 1e-4
# forward with different negative_prompt
inputs = self.get_dummy_inputs(torch_device)
inputs["negative_prompt"] = "negative prompt"
inputs["negative_prompt_2"] = "different negative prompt"
output = sd_pipe(**inputs)
image_slice_3 = output.images[0, -3:, -3:, -1]
# ensure the results are not equal
assert np.abs(image_slice_1.flatten() - image_slice_3.flatten()).max() > 1e-4
def test_controlnet_sdxl_guess(self):
device = "cpu"
components = self.get_dummy_components()
sd_pipe = self.pipeline_class(**components)
sd_pipe = sd_pipe.to(device)
sd_pipe.set_progress_bar_config(disable=None)
inputs = self.get_dummy_inputs(device)
inputs["guess_mode"] = True
output = sd_pipe(**inputs)
image_slice = output.images[0, -3:, -3:, -1]
expected_slice = np.array([0.7335, 0.5866, 0.5623, 0.6242, 0.5751, 0.5999, 0.4091, 0.4590, 0.5054])
# make sure that it's equal
assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-4
def test_controlnet_sdxl_lcm(self):
device = "cpu" # ensure determinism for the device-dependent torch.Generator
components = self.get_dummy_components(time_cond_proj_dim=256)
sd_pipe = StableDiffusionXLControlNetPipeline(**components)
sd_pipe.scheduler = LCMScheduler.from_config(sd_pipe.scheduler.config)
sd_pipe = sd_pipe.to(torch_device)
sd_pipe.set_progress_bar_config(disable=None)
inputs = self.get_dummy_inputs(device)
output = sd_pipe(**inputs)
image = output.images
image_slice = image[0, -3:, -3:, -1]
assert image.shape == (1, 64, 64, 3)
expected_slice = np.array([0.7820, 0.6195, 0.6193, 0.7045, 0.6706, 0.5837, 0.4147, 0.5232, 0.4868])
assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-2
# Copied from test_stable_diffusion_xl.py:test_stable_diffusion_two_xl_mixture_of_denoiser_fast
# with `StableDiffusionXLControlNetPipeline` instead of `StableDiffusionXLPipeline`
def test_controlnet_sdxl_two_mixture_of_denoiser_fast(self):
components = self.get_dummy_components()
pipe_1 = StableDiffusionXLControlNetPipeline(**components).to(torch_device)
pipe_1.unet.set_default_attn_processor()
components_without_controlnet = {k: v for k, v in components.items() if k != "controlnet"}
pipe_2 = StableDiffusionXLImg2ImgPipeline(**components_without_controlnet).to(torch_device)
pipe_2.unet.set_default_attn_processor()
def assert_run_mixture(
num_steps,
split,
scheduler_cls_orig,
expected_tss,
num_train_timesteps=pipe_1.scheduler.config.num_train_timesteps,
):
inputs = self.get_dummy_inputs(torch_device)
inputs["num_inference_steps"] = num_steps
class scheduler_cls(scheduler_cls_orig):
pass
pipe_1.scheduler = scheduler_cls.from_config(pipe_1.scheduler.config)
pipe_2.scheduler = scheduler_cls.from_config(pipe_2.scheduler.config)
# Let's retrieve the number of timesteps we want to use
pipe_1.scheduler.set_timesteps(num_steps)
expected_steps = pipe_1.scheduler.timesteps.tolist()
if pipe_1.scheduler.order == 2:
expected_steps_1 = list(filter(lambda ts: ts >= split, expected_tss))
expected_steps_2 = expected_steps_1[-1:] + list(filter(lambda ts: ts < split, expected_tss))
expected_steps = expected_steps_1 + expected_steps_2
else:
expected_steps_1 = list(filter(lambda ts: ts >= split, expected_tss))
expected_steps_2 = list(filter(lambda ts: ts < split, expected_tss))
# now we monkey patch step `done_steps`
# list into the step function for testing
done_steps = []
old_step = copy.copy(scheduler_cls.step)
def new_step(self, *args, **kwargs):
done_steps.append(args[1].cpu().item()) # args[1] is always the passed `t`
return old_step(self, *args, **kwargs)
scheduler_cls.step = new_step
inputs_1 = {
**inputs,
**{
"denoising_end": 1.0 - (split / num_train_timesteps),
"output_type": "latent",
},
}
latents = pipe_1(**inputs_1).images[0]
assert expected_steps_1 == done_steps, f"Failure with {scheduler_cls.__name__} and {num_steps} and {split}"
inputs_2 = {
**inputs,
**{
"denoising_start": 1.0 - (split / num_train_timesteps),
"image": latents,
},
}
pipe_2(**inputs_2).images[0]
assert expected_steps_2 == done_steps[len(expected_steps_1) :]
assert expected_steps == done_steps, f"Failure with {scheduler_cls.__name__} and {num_steps} and {split}"
steps = 10
for split in [300, 700]:
for scheduler_cls_timesteps in [
(EulerDiscreteScheduler, [901, 801, 701, 601, 501, 401, 301, 201, 101, 1]),
(
HeunDiscreteScheduler,
[
901.0,
801.0,
801.0,
701.0,
701.0,
601.0,
601.0,
501.0,
501.0,
401.0,
401.0,
301.0,
301.0,
201.0,
201.0,
101.0,
101.0,
1.0,
1.0,
],
),
]:
assert_run_mixture(steps, split, scheduler_cls_timesteps[0], scheduler_cls_timesteps[1])
class StableDiffusionXLMultiControlNetPipelineFastTests(
PipelineTesterMixin, PipelineKarrasSchedulerTesterMixin, unittest.TestCase
):
pipeline_class = StableDiffusionXLControlNetPipeline
params = TEXT_TO_IMAGE_PARAMS
batch_params = TEXT_TO_IMAGE_BATCH_PARAMS
image_params = frozenset([]) # TO_DO: add image_params once refactored VaeImageProcessor.preprocess
supports_dduf = False
def get_dummy_components(self):
torch.manual_seed(0)
unet = UNet2DConditionModel(
block_out_channels=(32, 64),
layers_per_block=2,
sample_size=32,
in_channels=4,
out_channels=4,
down_block_types=("DownBlock2D", "CrossAttnDownBlock2D"),
up_block_types=("CrossAttnUpBlock2D", "UpBlock2D"),
# SD2-specific config below
attention_head_dim=(2, 4),
use_linear_projection=True,
addition_embed_type="text_time",
addition_time_embed_dim=8,
transformer_layers_per_block=(1, 2),
projection_class_embeddings_input_dim=80, # 6 * 8 + 32
cross_attention_dim=64,
)
torch.manual_seed(0)
def init_weights(m):
if isinstance(m, torch.nn.Conv2d):
torch.nn.init.normal_(m.weight)
m.bias.data.fill_(1.0)
controlnet1 = ControlNetModel(
block_out_channels=(32, 64),
layers_per_block=2,
in_channels=4,
down_block_types=("DownBlock2D", "CrossAttnDownBlock2D"),
conditioning_embedding_out_channels=(16, 32),
# SD2-specific config below
attention_head_dim=(2, 4),
use_linear_projection=True,
addition_embed_type="text_time",
addition_time_embed_dim=8,
transformer_layers_per_block=(1, 2),
projection_class_embeddings_input_dim=80, # 6 * 8 + 32
cross_attention_dim=64,
)
controlnet1.controlnet_down_blocks.apply(init_weights)
torch.manual_seed(0)
controlnet2 = ControlNetModel(
block_out_channels=(32, 64),
layers_per_block=2,
in_channels=4,
down_block_types=("DownBlock2D", "CrossAttnDownBlock2D"),
conditioning_embedding_out_channels=(16, 32),
# SD2-specific config below
attention_head_dim=(2, 4),
use_linear_projection=True,
addition_embed_type="text_time",
addition_time_embed_dim=8,
transformer_layers_per_block=(1, 2),
projection_class_embeddings_input_dim=80, # 6 * 8 + 32
cross_attention_dim=64,
)
controlnet2.controlnet_down_blocks.apply(init_weights)
torch.manual_seed(0)
scheduler = EulerDiscreteScheduler(
beta_start=0.00085,
beta_end=0.012,
steps_offset=1,
beta_schedule="scaled_linear",
timestep_spacing="leading",
)
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,
)
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")
controlnet = MultiControlNetModel([controlnet1, controlnet2])
components = {
"unet": unet,
"controlnet": controlnet,
"scheduler": scheduler,
"vae": vae,
"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)
controlnet_embedder_scale_factor = 2
images = [
randn_tensor(
(1, 3, 32 * controlnet_embedder_scale_factor, 32 * controlnet_embedder_scale_factor),
generator=generator,
device=torch.device(device),
),
randn_tensor(
(1, 3, 32 * controlnet_embedder_scale_factor, 32 * controlnet_embedder_scale_factor),
generator=generator,
device=torch.device(device),
),
]
inputs = {
"prompt": "A painting of a squirrel eating a burger",
"generator": generator,
"num_inference_steps": 2,
"guidance_scale": 6.0,
"output_type": "np",
"image": images,
}
return inputs
def test_control_guidance_switch(self):
components = self.get_dummy_components()
pipe = self.pipeline_class(**components)
pipe.to(torch_device)
scale = 10.0
steps = 4
inputs = self.get_dummy_inputs(torch_device)
inputs["num_inference_steps"] = steps
inputs["controlnet_conditioning_scale"] = scale
output_1 = pipe(**inputs)[0]
inputs = self.get_dummy_inputs(torch_device)
inputs["num_inference_steps"] = steps
inputs["controlnet_conditioning_scale"] = scale
output_2 = pipe(**inputs, control_guidance_start=0.1, control_guidance_end=0.2)[0]
inputs = self.get_dummy_inputs(torch_device)
inputs["num_inference_steps"] = steps
inputs["controlnet_conditioning_scale"] = scale
output_3 = pipe(**inputs, control_guidance_start=[0.1, 0.3], control_guidance_end=[0.2, 0.7])[0]
inputs = self.get_dummy_inputs(torch_device)
inputs["num_inference_steps"] = steps
inputs["controlnet_conditioning_scale"] = scale
output_4 = pipe(**inputs, control_guidance_start=0.4, control_guidance_end=[0.5, 0.8])[0]
# make sure that all outputs are different
assert np.sum(np.abs(output_1 - output_2)) > 1e-3
assert np.sum(np.abs(output_1 - output_3)) > 1e-3
assert np.sum(np.abs(output_1 - output_4)) > 1e-3
def test_attention_slicing_forward_pass(self):
return self._test_attention_slicing_forward_pass(expected_max_diff=2e-3)
@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):
self._test_xformers_attention_forwardGenerator_pass(expected_max_diff=2e-3)
def test_inference_batch_single_identical(self):
self._test_inference_batch_single_identical(expected_max_diff=2e-3)
@unittest.skip("We test this functionality elsewhere already.")
def test_save_load_optional_components(self):
pass
class StableDiffusionXLMultiControlNetOneModelPipelineFastTests(
PipelineKarrasSchedulerTesterMixin, PipelineTesterMixin, unittest.TestCase
):
pipeline_class = StableDiffusionXLControlNetPipeline
params = TEXT_TO_IMAGE_PARAMS
batch_params = TEXT_TO_IMAGE_BATCH_PARAMS
image_params = frozenset([]) # TO_DO: add image_params once refactored VaeImageProcessor.preprocess
supports_dduf = False
def get_dummy_components(self):
torch.manual_seed(0)
unet = UNet2DConditionModel(
block_out_channels=(32, 64),
layers_per_block=2,
sample_size=32,
in_channels=4,
out_channels=4,
down_block_types=("DownBlock2D", "CrossAttnDownBlock2D"),
up_block_types=("CrossAttnUpBlock2D", "UpBlock2D"),
# SD2-specific config below
attention_head_dim=(2, 4),
use_linear_projection=True,
addition_embed_type="text_time",
addition_time_embed_dim=8,
transformer_layers_per_block=(1, 2),
projection_class_embeddings_input_dim=80, # 6 * 8 + 32
cross_attention_dim=64,
)
torch.manual_seed(0)
def init_weights(m):
if isinstance(m, torch.nn.Conv2d):
torch.nn.init.normal_(m.weight)
m.bias.data.fill_(1.0)
controlnet = ControlNetModel(
block_out_channels=(32, 64),
layers_per_block=2,
in_channels=4,
down_block_types=("DownBlock2D", "CrossAttnDownBlock2D"),
conditioning_embedding_out_channels=(16, 32),
# SD2-specific config below
attention_head_dim=(2, 4),
use_linear_projection=True,
addition_embed_type="text_time",
addition_time_embed_dim=8,
transformer_layers_per_block=(1, 2),
projection_class_embeddings_input_dim=80, # 6 * 8 + 32
cross_attention_dim=64,
)
controlnet.controlnet_down_blocks.apply(init_weights)
torch.manual_seed(0)
scheduler = EulerDiscreteScheduler(
beta_start=0.00085,
beta_end=0.012,
steps_offset=1,
beta_schedule="scaled_linear",
timestep_spacing="leading",
)
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,
)
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")
controlnet = MultiControlNetModel([controlnet])
components = {
"unet": unet,
"controlnet": controlnet,
"scheduler": scheduler,
"vae": vae,
"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)
controlnet_embedder_scale_factor = 2
images = [
randn_tensor(
(1, 3, 32 * controlnet_embedder_scale_factor, 32 * controlnet_embedder_scale_factor),
generator=generator,
device=torch.device(device),
),
]
inputs = {
"prompt": "A painting of a squirrel eating a burger",
"generator": generator,
"num_inference_steps": 2,
"guidance_scale": 6.0,
"output_type": "np",
"image": images,
}
return inputs
def test_control_guidance_switch(self):
components = self.get_dummy_components()
pipe = self.pipeline_class(**components)
pipe.to(torch_device)
scale = 10.0
steps = 4
inputs = self.get_dummy_inputs(torch_device)
inputs["num_inference_steps"] = steps
inputs["controlnet_conditioning_scale"] = scale
output_1 = pipe(**inputs)[0]
inputs = self.get_dummy_inputs(torch_device)
inputs["num_inference_steps"] = steps
inputs["controlnet_conditioning_scale"] = scale
output_2 = pipe(**inputs, control_guidance_start=0.1, control_guidance_end=0.2)[0]
inputs = self.get_dummy_inputs(torch_device)
inputs["num_inference_steps"] = steps
inputs["controlnet_conditioning_scale"] = scale
output_3 = pipe(
**inputs,
control_guidance_start=[0.1],
control_guidance_end=[0.2],
)[0]
inputs = self.get_dummy_inputs(torch_device)
inputs["num_inference_steps"] = steps
inputs["controlnet_conditioning_scale"] = scale
output_4 = pipe(**inputs, control_guidance_start=0.4, control_guidance_end=[0.5])[0]
# make sure that all outputs are different
assert np.sum(np.abs(output_1 - output_2)) > 1e-3
assert np.sum(np.abs(output_1 - output_3)) > 1e-3
assert np.sum(np.abs(output_1 - output_4)) > 1e-3
def test_attention_slicing_forward_pass(self):
return self._test_attention_slicing_forward_pass(expected_max_diff=2e-3)
@unittest.skip("We test this functionality elsewhere already.")
def test_save_load_optional_components(self):
pass
@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):
self._test_xformers_attention_forwardGenerator_pass(expected_max_diff=2e-3)
def test_inference_batch_single_identical(self):
self._test_inference_batch_single_identical(expected_max_diff=2e-3)
def test_negative_conditions(self):
components = self.get_dummy_components()
pipe = self.pipeline_class(**components)
pipe.to(torch_device)
inputs = self.get_dummy_inputs(torch_device)
image = pipe(**inputs).images
image_slice_without_neg_cond = image[0, -3:, -3:, -1]
image = pipe(
**inputs,
negative_original_size=(512, 512),
negative_crops_coords_top_left=(0, 0),
negative_target_size=(1024, 1024),
).images
image_slice_with_neg_cond = image[0, -3:, -3:, -1]
self.assertTrue(np.abs(image_slice_without_neg_cond - image_slice_with_neg_cond).max() > 1e-2)
@slow
@require_torch_accelerator
class ControlNetSDXLPipelineSlowTests(unittest.TestCase):
def setUp(self):
super().setUp()
gc.collect()
backend_empty_cache(torch_device)
def tearDown(self):
super().tearDown()
gc.collect()
backend_empty_cache(torch_device)
def test_canny(self):
controlnet = ControlNetModel.from_pretrained("diffusers/controlnet-canny-sdxl-1.0")
pipe = StableDiffusionXLControlNetPipeline.from_pretrained(
"stabilityai/stable-diffusion-xl-base-1.0", controlnet=controlnet
)
pipe.enable_sequential_cpu_offload(device=torch_device)
pipe.set_progress_bar_config(disable=None)
generator = torch.Generator(device="cpu").manual_seed(0)
prompt = "bird"
image = load_image(
"https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/sd_controlnet/bird_canny.png"
)
images = pipe(prompt, image=image, generator=generator, output_type="np", num_inference_steps=3).images
assert images[0].shape == (768, 512, 3)
original_image = images[0, -3:, -3:, -1].flatten()
expected_image = np.array([0.4185, 0.4127, 0.4089, 0.4046, 0.4115, 0.4096, 0.4081, 0.4112, 0.3913])
assert np.allclose(original_image, expected_image, atol=1e-04)
def test_depth(self):
controlnet = ControlNetModel.from_pretrained("diffusers/controlnet-depth-sdxl-1.0")
pipe = StableDiffusionXLControlNetPipeline.from_pretrained(
"stabilityai/stable-diffusion-xl-base-1.0", controlnet=controlnet
)
pipe.enable_sequential_cpu_offload(device=torch_device)
pipe.set_progress_bar_config(disable=None)
generator = torch.Generator(device="cpu").manual_seed(0)
prompt = "Stormtrooper's lecture"
image = load_image(
"https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/sd_controlnet/stormtrooper_depth.png"
)
images = pipe(prompt, image=image, generator=generator, output_type="np", num_inference_steps=3).images
assert images[0].shape == (512, 512, 3)
original_image = images[0, -3:, -3:, -1].flatten()
expected_image = np.array([0.4399, 0.5112, 0.5478, 0.4314, 0.472, 0.4823, 0.4647, 0.4957, 0.4853])
assert np.allclose(original_image, expected_image, atol=1e-04)
class StableDiffusionSSD1BControlNetPipelineFastTests(StableDiffusionXLControlNetPipelineFastTests):
def test_controlnet_sdxl_guess(self):
device = "cpu"
components = self.get_dummy_components()
sd_pipe = self.pipeline_class(**components)
sd_pipe = sd_pipe.to(device)
sd_pipe.set_progress_bar_config(disable=None)
inputs = self.get_dummy_inputs(device)
inputs["guess_mode"] = True
output = sd_pipe(**inputs)
image_slice = output.images[0, -3:, -3:, -1]
expected_slice = np.array([0.7212, 0.5890, 0.5491, 0.6425, 0.5970, 0.6091, 0.4418, 0.4556, 0.5032])
# make sure that it's equal
assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-4
def test_ip_adapter(self):
expected_pipe_slice = None
if torch_device == "cpu":
expected_pipe_slice = np.array([0.7212, 0.5890, 0.5491, 0.6425, 0.5970, 0.6091, 0.4418, 0.4556, 0.5032])
return super().test_ip_adapter(from_ssd1b=True, expected_pipe_slice=expected_pipe_slice)
def test_controlnet_sdxl_lcm(self):
device = "cpu" # ensure determinism for the device-dependent torch.Generator
components = self.get_dummy_components(time_cond_proj_dim=256)
sd_pipe = StableDiffusionXLControlNetPipeline(**components)
sd_pipe.scheduler = LCMScheduler.from_config(sd_pipe.scheduler.config)
sd_pipe = sd_pipe.to(torch_device)
sd_pipe.set_progress_bar_config(disable=None)
inputs = self.get_dummy_inputs(device)
output = sd_pipe(**inputs)
image = output.images
image_slice = image[0, -3:, -3:, -1]
assert image.shape == (1, 64, 64, 3)
expected_slice = np.array([0.6787, 0.5117, 0.5558, 0.6963, 0.6571, 0.5928, 0.4121, 0.5468, 0.5057])
assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-2
def test_conditioning_channels(self):
unet = UNet2DConditionModel(
block_out_channels=(32, 64),
layers_per_block=2,
sample_size=32,
in_channels=4,
out_channels=4,
down_block_types=("DownBlock2D", "CrossAttnDownBlock2D"),
up_block_types=("CrossAttnUpBlock2D", "UpBlock2D"),
mid_block_type="UNetMidBlock2D",
# SD2-specific config below
attention_head_dim=(2, 4),
use_linear_projection=True,
addition_embed_type="text_time",
addition_time_embed_dim=8,
transformer_layers_per_block=(1, 2),
projection_class_embeddings_input_dim=80, # 6 * 8 + 32
cross_attention_dim=64,
time_cond_proj_dim=None,
)
controlnet = ControlNetModel.from_unet(unet, conditioning_channels=4)
assert type(controlnet.mid_block) is UNetMidBlock2D
assert controlnet.conditioning_channels == 4
def get_dummy_components(self, time_cond_proj_dim=None):
torch.manual_seed(0)
unet = UNet2DConditionModel(
block_out_channels=(32, 64),
layers_per_block=2,
sample_size=32,
in_channels=4,