update

img2img fixes

.github/workflows/pr_modular_tests.yml

@@ -0,0 +1,141 @@
+name: Fast PR tests for Modular
+
+on:
+  pull_request:
+    branches: [main]
+    paths:
+      - "src/diffusers/modular_pipelines/**.py"
+      - "src/diffusers/models/modeling_utils.py"
+      - "src/diffusers/models/model_loading_utils.py"
+      - "src/diffusers/pipelines/pipeline_utils.py"
+      - "src/diffusers/pipeline_loading_utils.py"
+      - "src/diffusers/loaders/lora_base.py"
+      - "src/diffusers/loaders/lora_pipeline.py"
+      - "src/diffusers/loaders/peft.py"
+      - "tests/modular_pipelines/**.py"
+      - ".github/**.yml"
+      - "utils/**.py"
+      - "setup.py"
+  push:
+    branches:
+      - ci-*
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+env:
+  DIFFUSERS_IS_CI: yes
+  HF_HUB_ENABLE_HF_TRANSFER: 1
+  OMP_NUM_THREADS: 4
+  MKL_NUM_THREADS: 4
+  PYTEST_TIMEOUT: 60
+
+jobs:
+  check_code_quality:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install .[quality]
+      - name: Check quality
+        run: make quality
+      - name: Check if failure
+        if: ${{ failure() }}
+        run: |
+          echo "Quality check failed. Please ensure the right dependency versions are installed with 'pip install -e .[quality]' and run 'make style && make quality'" >> $GITHUB_STEP_SUMMARY
+
+  check_repository_consistency:
+    needs: check_code_quality
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install .[quality]
+      - name: Check repo consistency
+        run: |
+          python utils/check_copies.py
+          python utils/check_dummies.py
+          python utils/check_support_list.py
+          make deps_table_check_updated
+      - name: Check if failure
+        if: ${{ failure() }}
+        run: |
+          echo "Repo consistency check failed. Please ensure the right dependency versions are installed with 'pip install -e .[quality]' and run 'make fix-copies'" >> $GITHUB_STEP_SUMMARY
+
+  run_fast_tests:
+    needs: [check_code_quality, check_repository_consistency]
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - name: Fast PyTorch Modular Pipeline CPU tests
+            framework: pytorch_pipelines
+            runner: aws-highmemory-32-plus
+            image: diffusers/diffusers-pytorch-cpu
+            report: torch_cpu_modular_pipelines
+
+    name: ${{ matrix.config.name }}
+
+    runs-on:
+      group: ${{ matrix.config.runner }}
+
+    container:
+      image: ${{ matrix.config.image }}
+      options: --shm-size "16gb" --ipc host -v /mnt/hf_cache:/mnt/cache/
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+    - name: Checkout diffusers
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 2
+
+    - name: Install dependencies
+      run: |
+        python -m venv /opt/venv && export PATH="/opt/venv/bin:$PATH"
+        python -m uv pip install -e [quality,test]
+        pip uninstall transformers -y && python -m uv pip install -U transformers@git+https://github.com/huggingface/transformers.git --no-deps
+        pip uninstall accelerate -y && python -m uv pip install -U accelerate@git+https://github.com/huggingface/accelerate.git --no-deps
+
+    - name: Environment
+      run: |
+        python -m venv /opt/venv && export PATH="/opt/venv/bin:$PATH"
+        python utils/print_env.py
+
+    - name: Run fast PyTorch Pipeline CPU tests
+      if: ${{ matrix.config.framework == 'pytorch_pipelines' }}
+      run: |
+        python -m venv /opt/venv && export PATH="/opt/venv/bin:$PATH"
+        python -m pytest -n 8 --max-worker-restart=0 --dist=loadfile \
+          -s -v -k "not Flax and not Onnx" \
+          --make-reports=tests_${{ matrix.config.report }} \
+          tests/modular_pipelines
+
+    - name: Failure short reports
+      if: ${{ failure() }}
+      run: cat reports/tests_${{ matrix.config.report }}_failures_short.txt
+
+    - name: Test suite reports artifacts
+      if: ${{ always() }}
+      uses: actions/upload-artifact@v4
+      with:
+        name: pr_${{ matrix.config.framework }}_${{ matrix.config.report }}_test_reports
+        path: reports
+
+

src/diffusers/configuration_utils.py

@@ -763,4 +763,7 @@ class LegacyConfigMixin(ConfigMixin):
         # resolve remapping
         remapped_class = _fetch_remapped_cls_from_config(config, cls)
 
-        return remapped_class.from_config(config, return_unused_kwargs, **kwargs)
+        if remapped_class is cls:
+            return super(LegacyConfigMixin, remapped_class).from_config(config, return_unused_kwargs, **kwargs)
+        else:
+            return remapped_class.from_config(config, return_unused_kwargs, **kwargs)

src/diffusers/loaders/single_file_model.py

@@ -24,7 +24,7 @@ from typing_extensions import Self
 from .. import __version__
 from ..quantizers import DiffusersAutoQuantizer
 from ..utils import deprecate, is_accelerate_available, logging
-from ..utils.torch_utils import device_synchronize, empty_device_cache
+from ..utils.torch_utils import empty_device_cache
 from .single_file_utils import (
     SingleFileComponentError,
     convert_animatediff_checkpoint_to_diffusers,
@@ -431,10 +431,7 @@ class FromOriginalModelMixin:
                 keep_in_fp32_modules=keep_in_fp32_modules,
                 unexpected_keys=unexpected_keys,
             )
-            # Ensure tensors are correctly placed on device by synchronizing before returning control to user. This is
-            # required because we move tensors with non_blocking=True, which is slightly faster for model loading.
             empty_device_cache()
-            device_synchronize()
         else:
             _, unexpected_keys = model.load_state_dict(diffusers_format_checkpoint, strict=False)
 

src/diffusers/loaders/single_file_utils.py

@@ -46,7 +46,7 @@ from ..utils import (
 )
 from ..utils.constants import DIFFUSERS_REQUEST_TIMEOUT
 from ..utils.hub_utils import _get_model_file
-from ..utils.torch_utils import device_synchronize, empty_device_cache
+from ..utils.torch_utils import empty_device_cache
 
 
 if is_transformers_available():
@@ -1690,10 +1690,7 @@ def create_diffusers_clip_model_from_ldm(
 
     if is_accelerate_available():
         load_model_dict_into_meta(model, diffusers_format_checkpoint, dtype=torch_dtype)
-        # Ensure tensors are correctly placed on device by synchronizing before returning control to user. This is
-        # required because we move tensors with non_blocking=True, which is slightly faster for model loading.
         empty_device_cache()
-        device_synchronize()
     else:
         model.load_state_dict(diffusers_format_checkpoint, strict=False)
 
@@ -2153,10 +2150,7 @@ def create_diffusers_t5_model_from_checkpoint(
 
     if is_accelerate_available():
         load_model_dict_into_meta(model, diffusers_format_checkpoint, dtype=torch_dtype)
-        # Ensure tensors are correctly placed on device by synchronizing before returning control to user. This is
-        # required because we move tensors with non_blocking=True, which is slightly faster for model loading.
         empty_device_cache()
-        device_synchronize()
     else:
         model.load_state_dict(diffusers_format_checkpoint)
 

src/diffusers/loaders/transformer_flux.py

@@ -19,7 +19,7 @@ from ..models.embeddings import (
 )
 from ..models.modeling_utils import _LOW_CPU_MEM_USAGE_DEFAULT, load_model_dict_into_meta
 from ..utils import is_accelerate_available, is_torch_version, logging
-from ..utils.torch_utils import device_synchronize, empty_device_cache
+from ..utils.torch_utils import empty_device_cache
 
 
 if is_accelerate_available():
@@ -82,7 +82,6 @@ class FluxTransformer2DLoadersMixin:
             device_map = {"": self.device}
             load_model_dict_into_meta(image_projection, updated_state_dict, device_map=device_map, dtype=self.dtype)
             empty_device_cache()
-            device_synchronize()
 
         return image_projection
 
@@ -158,7 +157,6 @@ class FluxTransformer2DLoadersMixin:
                 key_id += 1
 
         empty_device_cache()
-        device_synchronize()
 
         return attn_procs
 

src/diffusers/loaders/transformer_sd3.py

@@ -18,7 +18,7 @@ from ..models.attention_processor import SD3IPAdapterJointAttnProcessor2_0
 from ..models.embeddings import IPAdapterTimeImageProjection
 from ..models.modeling_utils import _LOW_CPU_MEM_USAGE_DEFAULT, load_model_dict_into_meta
 from ..utils import is_accelerate_available, is_torch_version, logging
-from ..utils.torch_utils import device_synchronize, empty_device_cache
+from ..utils.torch_utils import empty_device_cache
 
 
 logger = logging.get_logger(__name__)
@@ -82,7 +82,6 @@ class SD3Transformer2DLoadersMixin:
                 )
 
         empty_device_cache()
-        device_synchronize()
 
         return attn_procs
 
@@ -152,7 +151,6 @@ class SD3Transformer2DLoadersMixin:
             device_map = {"": self.device}
             load_model_dict_into_meta(image_proj, updated_state_dict, device_map=device_map, dtype=self.dtype)
             empty_device_cache()
-            device_synchronize()
 
         return image_proj
 

src/diffusers/loaders/unet.py

@@ -43,7 +43,7 @@ from ..utils import (
     is_torch_version,
     logging,
 )
-from ..utils.torch_utils import device_synchronize, empty_device_cache
+from ..utils.torch_utils import empty_device_cache
 from .lora_base import _func_optionally_disable_offloading
 from .lora_pipeline import LORA_WEIGHT_NAME, LORA_WEIGHT_NAME_SAFE, TEXT_ENCODER_NAME, UNET_NAME
 from .utils import AttnProcsLayers
@@ -755,7 +755,6 @@ class UNet2DConditionLoadersMixin:
             device_map = {"": self.device}
             load_model_dict_into_meta(image_projection, updated_state_dict, device_map=device_map, dtype=self.dtype)
             empty_device_cache()
-            device_synchronize()
 
         return image_projection
 
@@ -854,7 +853,6 @@ class UNet2DConditionLoadersMixin:
                 key_id += 2
 
         empty_device_cache()
-        device_synchronize()
 
         return attn_procs
 

src/diffusers/models/modeling_utils.py

@@ -62,7 +62,7 @@ from ..utils.hub_utils import (
     load_or_create_model_card,
     populate_model_card,
 )
-from ..utils.torch_utils import device_synchronize, empty_device_cache
+from ..utils.torch_utils import empty_device_cache
 from .model_loading_utils import (
     _caching_allocator_warmup,
     _determine_device_map,
@@ -1540,10 +1540,7 @@ class ModelMixin(torch.nn.Module, PushToHubMixin):
                     assign_to_params_buffers = check_support_param_buffer_assignment(model, state_dict)
                 error_msgs += _load_state_dict_into_model(model, state_dict, assign_to_params_buffers)
 
-        # Ensure tensors are correctly placed on device by synchronizing before returning control to user. This is
-        # required because we move tensors with non_blocking=True, which is slightly faster for model loading.
         empty_device_cache()
-        device_synchronize()
 
         if offload_index is not None and len(offload_index) > 0:
             save_offload_index(offload_index, offload_folder)
@@ -1880,4 +1877,9 @@ class LegacyModelMixin(ModelMixin):
         # resolve remapping
         remapped_class = _fetch_remapped_cls_from_config(config, cls)
 
-        return remapped_class.from_pretrained(pretrained_model_name_or_path, **kwargs_copy)
+        if remapped_class is cls:
+            return super(LegacyModelMixin, remapped_class).from_pretrained(
+                pretrained_model_name_or_path, **kwargs_copy
+            )
+        else:
+            return remapped_class.from_pretrained(pretrained_model_name_or_path, **kwargs_copy)

src/diffusers/modular_pipelines/modular_pipeline.py

@@ -323,7 +323,6 @@ class ModularPipelineBlocks(ConfigMixin, PushToHubMixin):
     """
 
     config_name = "config.json"
-    model_name = None
 
     @classmethod
     def _get_signature_keys(cls, obj):
@@ -334,14 +333,6 @@ class ModularPipelineBlocks(ConfigMixin, PushToHubMixin):
 
         return expected_modules, optional_parameters
 
-    @property
-    def expected_components(self) -> List[ComponentSpec]:
-        return []
-
-    @property
-    def expected_configs(self) -> List[ConfigSpec]:
-        return []
-
     @classmethod
     def from_pretrained(
         cls,
@@ -367,9 +358,7 @@ class ModularPipelineBlocks(ConfigMixin, PushToHubMixin):
             trust_remote_code, pretrained_model_name_or_path, has_remote_code
         )
         if not (has_remote_code and trust_remote_code):
-            raise ValueError(
-                "Selected model repository does not happear to have any custom code or does not have a valid `config.json` file."
-            )
+            raise ValueError("TODO")
 
         class_ref = config["auto_map"][cls.__name__]
         module_file, class_name = class_ref.split(".")
@@ -378,6 +367,7 @@ class ModularPipelineBlocks(ConfigMixin, PushToHubMixin):
             pretrained_model_name_or_path,
             module_file=module_file,
             class_name=class_name,
+            is_modular=True,
             **hub_kwargs,
             **kwargs,
         )
@@ -489,6 +479,22 @@ class ModularPipelineBlocks(ConfigMixin, PushToHubMixin):
 
         return list(combined_dict.values())
 
+    @property
+    def input_names(self) -> List[str]:
+        return [input_param.name for input_param in self.inputs]
+
+    @property
+    def intermediate_input_names(self) -> List[str]:
+        return [input_param.name for input_param in self.intermediate_inputs]
+
+    @property
+    def intermediate_output_names(self) -> List[str]:
+        return [output_param.name for output_param in self.intermediate_outputs]
+
+    @property
+    def output_names(self) -> List[str]:
+        return [output_param.name for output_param in self.outputs]
+
 
 class PipelineBlock(ModularPipelineBlocks):
     """
@@ -2835,3 +2841,8 @@ class ModularPipeline(ConfigMixin, PushToHubMixin):
             type_hint=type_hint,
             **spec_dict,
         )
+
+    def set_progress_bar_config(self, **kwargs):
+        for sub_block_name, sub_block in self.blocks.sub_blocks.items():
+            if hasattr(sub_block, "set_progress_bar_config"):
+                sub_block.set_progress_bar_config(**kwargs)

src/diffusers/modular_pipelines/modular_pipeline_utils.py

@@ -93,7 +93,7 @@ class ComponentSpec:
     config: Optional[FrozenDict] = None
     # YiYi Notes: should we change it to pretrained_model_name_or_path for consistency? a bit long for a field name
     repo: Optional[Union[str, List[str]]] = field(default=None, metadata={"loading": True})
-    subfolder: Optional[str] = field(default="", metadata={"loading": True})
+    subfolder: Optional[str] = field(default=None, metadata={"loading": True})
     variant: Optional[str] = field(default=None, metadata={"loading": True})
     revision: Optional[str] = field(default=None, metadata={"loading": True})
     default_creation_method: Literal["from_config", "from_pretrained"] = "from_pretrained"

src/diffusers/modular_pipelines/stable_diffusion_xl/before_denoise.py

@@ -744,8 +744,6 @@ class StableDiffusionXLInpaintPrepareLatentsStep(PipelineBlock):
         timestep=None,
         is_strength_max=True,
         add_noise=True,
-        return_noise=False,
-        return_image_latents=False,
     ):
         shape = (
             batch_size,
@@ -768,7 +766,7 @@ class StableDiffusionXLInpaintPrepareLatentsStep(PipelineBlock):
         if image.shape[1] == 4:
             image_latents = image.to(device=device, dtype=dtype)
             image_latents = image_latents.repeat(batch_size // image_latents.shape[0], 1, 1, 1)
-        elif return_image_latents or (latents is None and not is_strength_max):
+        elif latents is None and not is_strength_max:
             image = image.to(device=device, dtype=dtype)
             image_latents = self._encode_vae_image(components, image=image, generator=generator)
             image_latents = image_latents.repeat(batch_size // image_latents.shape[0], 1, 1, 1)
@@ -786,13 +784,7 @@ class StableDiffusionXLInpaintPrepareLatentsStep(PipelineBlock):
             noise = randn_tensor(shape, generator=generator, device=device, dtype=dtype)
             latents = image_latents.to(device)
 
-        outputs = (latents,)
-
-        if return_noise:
-            outputs += (noise,)
-
-        if return_image_latents:
-            outputs += (image_latents,)
+        outputs = (latents, noise, image_latents)
 
         return outputs
 
@@ -864,7 +856,7 @@ class StableDiffusionXLInpaintPrepareLatentsStep(PipelineBlock):
         block_state.height = block_state.image_latents.shape[-2] * components.vae_scale_factor
         block_state.width = block_state.image_latents.shape[-1] * components.vae_scale_factor
 
-        block_state.latents, block_state.noise = self.prepare_latents_inpaint(
+        block_state.latents, block_state.noise, block_state.image_latents = self.prepare_latents_inpaint(
             components,
             block_state.batch_size * block_state.num_images_per_prompt,
             components.num_channels_latents,
@@ -878,8 +870,6 @@ class StableDiffusionXLInpaintPrepareLatentsStep(PipelineBlock):
             timestep=block_state.latent_timestep,
             is_strength_max=block_state.is_strength_max,
             add_noise=block_state.add_noise,
-            return_noise=True,
-            return_image_latents=False,
         )
 
         # 7. Prepare mask latent variables

src/diffusers/pipelines/controlnet/pipeline_controlnet_union_sd_xl_img2img.py

@@ -19,7 +19,6 @@ from typing import Any, Callable, Dict, List, Optional, Tuple, Union
 import numpy as np
 import PIL.Image
 import torch
-import torch.nn.functional as F
 from transformers import (
     CLIPImageProcessor,
     CLIPTextModel,
@@ -38,7 +37,13 @@ from ...loaders import (
     StableDiffusionXLLoraLoaderMixin,
     TextualInversionLoaderMixin,
 )
-from ...models import AutoencoderKL, ControlNetModel, ControlNetUnionModel, ImageProjection, UNet2DConditionModel
+from ...models import (
+    AutoencoderKL,
+    ControlNetUnionModel,
+    ImageProjection,
+    MultiControlNetUnionModel,
+    UNet2DConditionModel,
+)
 from ...models.attention_processor import (
     AttnProcessor2_0,
     XFormersAttnProcessor,
@@ -262,7 +267,9 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
         tokenizer: CLIPTokenizer,
         tokenizer_2: CLIPTokenizer,
         unet: UNet2DConditionModel,
-        controlnet: ControlNetUnionModel,
+        controlnet: Union[
+            ControlNetUnionModel, List[ControlNetUnionModel], Tuple[ControlNetUnionModel], MultiControlNetUnionModel
+        ],
         scheduler: KarrasDiffusionSchedulers,
         requires_aesthetics_score: bool = False,
         force_zeros_for_empty_prompt: bool = True,
@@ -272,8 +279,8 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
     ):
         super().__init__()
 
-        if not isinstance(controlnet, ControlNetUnionModel):
-            raise ValueError("Expected `controlnet` to be of type `ControlNetUnionModel`.")
+        if isinstance(controlnet, (list, tuple)):
+            controlnet = MultiControlNetUnionModel(controlnet)
 
         self.register_modules(
             vae=vae,
@@ -649,6 +656,7 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
         controlnet_conditioning_scale=1.0,
         control_guidance_start=0.0,
         control_guidance_end=1.0,
+        control_mode=None,
         callback_on_step_end_tensor_inputs=None,
     ):
         if strength < 0 or strength > 1:
@@ -722,28 +730,44 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
                 "If `negative_prompt_embeds` are provided, `negative_pooled_prompt_embeds` also have to be passed. Make sure to generate `negative_pooled_prompt_embeds` from the same text encoder that was used to generate `negative_prompt_embeds`."
             )
 
+        # `prompt` needs more sophisticated handling when there are multiple
+        # conditionings.
+        if isinstance(self.controlnet, MultiControlNetUnionModel):
+            if isinstance(prompt, list):
+                logger.warning(
+                    f"You have {len(self.controlnet.nets)} ControlNets and you have passed {len(prompt)}"
+                    " prompts. The conditionings will be fixed across the prompts."
+                )
+
         # Check `image`
-        is_compiled = hasattr(F, "scaled_dot_product_attention") and isinstance(
-            self.controlnet, torch._dynamo.eval_frame.OptimizedModule
-        )
-        if (
-            isinstance(self.controlnet, ControlNetModel)
-            or is_compiled
-            and isinstance(self.controlnet._orig_mod, ControlNetModel)
-        ):
-            self.check_image(image, prompt, prompt_embeds)
-        elif (
-            isinstance(self.controlnet, ControlNetUnionModel)
-            or is_compiled
-            and isinstance(self.controlnet._orig_mod, ControlNetUnionModel)
-        ):
-            self.check_image(image, prompt, prompt_embeds)
-        else:
-            assert False
+        controlnet = self.controlnet._orig_mod if is_compiled_module(self.controlnet) else self.controlnet
+
+        if isinstance(controlnet, ControlNetUnionModel):
+            for image_ in image:
+                self.check_image(image_, prompt, prompt_embeds)
+        elif isinstance(controlnet, MultiControlNetUnionModel):
+            if not isinstance(image, list):
+                raise TypeError("For multiple controlnets: `image` must be type `list`")
+            elif not all(isinstance(i, list) for i in image):
+                raise ValueError("For multiple controlnets: elements of `image` must be list of conditionings.")
+            elif len(image) != len(self.controlnet.nets):
+                raise ValueError(
+                    f"For multiple controlnets: `image` must have the same length as the number of controlnets, but got {len(image)} images and {len(self.controlnet.nets)} ControlNets."
+                )
+
+            for images_ in image:
+                for image_ in images_:
+                    self.check_image(image_, prompt, prompt_embeds)
 
         if not isinstance(control_guidance_start, (tuple, list)):
             control_guidance_start = [control_guidance_start]
 
+        if isinstance(controlnet, MultiControlNetUnionModel):
+            if len(control_guidance_start) != len(self.controlnet.nets):
+                raise ValueError(
+                    f"`control_guidance_start`: {control_guidance_start} has {len(control_guidance_start)} elements but there are {len(self.controlnet.nets)} controlnets available. Make sure to provide {len(self.controlnet.nets)}."
+                )
+
         if not isinstance(control_guidance_end, (tuple, list)):
             control_guidance_end = [control_guidance_end]
 
@@ -762,6 +786,15 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
             if end > 1.0:
                 raise ValueError(f"control guidance end: {end} can't be larger than 1.0.")
 
+        # Check `control_mode`
+        if isinstance(controlnet, ControlNetUnionModel):
+            if max(control_mode) >= controlnet.config.num_control_type:
+                raise ValueError(f"control_mode: must be lower than {controlnet.config.num_control_type}.")
+        elif isinstance(controlnet, MultiControlNetUnionModel):
+            for _control_mode, _controlnet in zip(control_mode, self.controlnet.nets):
+                if max(_control_mode) >= _controlnet.config.num_control_type:
+                    raise ValueError(f"control_mode: must be lower than {_controlnet.config.num_control_type}.")
+
         if ip_adapter_image is not None and ip_adapter_image_embeds is not None:
             raise ValueError(
                 "Provide either `ip_adapter_image` or `ip_adapter_image_embeds`. Cannot leave both `ip_adapter_image` and `ip_adapter_image_embeds` defined."
@@ -1049,7 +1082,7 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
         prompt: Union[str, List[str]] = None,
         prompt_2: Optional[Union[str, List[str]]] = None,
         image: PipelineImageInput = None,
-        control_image: PipelineImageInput = None,
+        control_image: Union[PipelineImageInput, List[PipelineImageInput]] = None,
         height: Optional[int] = None,
         width: Optional[int] = None,
         strength: float = 0.8,
@@ -1074,7 +1107,7 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
         guess_mode: bool = False,
         control_guidance_start: Union[float, List[float]] = 0.0,
         control_guidance_end: Union[float, List[float]] = 1.0,
-        control_mode: Optional[Union[int, List[int]]] = None,
+        control_mode: Optional[Union[int, List[int], List[List[int]]]] = None,
         original_size: Tuple[int, int] = None,
         crops_coords_top_left: Tuple[int, int] = (0, 0),
         target_size: Tuple[int, int] = None,
@@ -1104,13 +1137,13 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
                     `List[List[torch.Tensor]]`, `List[List[np.ndarray]]` or `List[List[PIL.Image.Image]]`):
                 The initial image will be used as the starting point for the image generation process. Can also accept
                 image latents as `image`, if passing latents directly, it will not be encoded again.
-            control_image (`PipelineImageInput`):
-                The ControlNet input condition. ControlNet uses this input condition to generate guidance to Unet. If
-                the type is specified as `torch.Tensor`, it is passed to ControlNet as is. `PIL.Image.Image` can also
-                be accepted as an image. The dimensions of the output image defaults to `image`'s dimensions. If height
-                and/or width are passed, `image` is resized according to them. If multiple ControlNets are specified in
-                init, images must be passed as a list such that each element of the list can be correctly batched for
-                input to a single controlnet.
+            control_image (`PipelineImageInput` or `List[PipelineImageInput]`, *optional*):
+                The ControlNet input condition to provide guidance to the `unet` for generation. If the type is
+                specified as `torch.Tensor`, it is passed to ControlNet as is. `PIL.Image.Image` can also be accepted
+                as an image. The dimensions of the output image defaults to `image`'s dimensions. If height and/or
+                width are passed, `image` is resized accordingly. If multiple ControlNets are specified in `init`,
+                images must be passed as a list such that each element of the list can be correctly batched for input
+                to a single ControlNet.
             height (`int`, *optional*, defaults to the size of control_image):
                 The height in pixels of the generated image. Anything below 512 pixels won't work well for
                 [stabilityai/stable-diffusion-xl-base-1.0](https://huggingface.co/stabilityai/stable-diffusion-xl-base-1.0)
@@ -1184,16 +1217,21 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
                 `self.processor` in
                 [diffusers.models.attention_processor](https://github.com/huggingface/diffusers/blob/main/src/diffusers/models/attention_processor.py).
             controlnet_conditioning_scale (`float` or `List[float]`, *optional*, defaults to 1.0):
-                The outputs of the controlnet are multiplied by `controlnet_conditioning_scale` before they are added
-                to the residual in the original unet. If multiple ControlNets are specified in init, you can set the
-                corresponding scale as a list.
+                The outputs of the ControlNet are multiplied by `controlnet_conditioning_scale` before they are added
+                to the residual in the original `unet`. If multiple ControlNets are specified in `init`, you can set
+                the corresponding scale as a list.
             guess_mode (`bool`, *optional*, defaults to `False`):
                 In this mode, the ControlNet encoder will try best to recognize the content of the input image even if
                 you remove all prompts. The `guidance_scale` between 3.0 and 5.0 is recommended.
             control_guidance_start (`float` or `List[float]`, *optional*, defaults to 0.0):
-                The percentage of total steps at which the controlnet starts applying.
+                The percentage of total steps at which the ControlNet starts applying.
             control_guidance_end (`float` or `List[float]`, *optional*, defaults to 1.0):
-                The percentage of total steps at which the controlnet stops applying.
+                The percentage of total steps at which the ControlNet stops applying.
+            control_mode (`int` or `List[int]` or `List[List[int]], *optional*):
+                The control condition types for the ControlNet. See the ControlNet's model card forinformation on the
+                available control modes. If multiple ControlNets are specified in `init`, control_mode should be a list
+                where each ControlNet should have its corresponding control mode list. Should reflect the order of
+                conditions in control_image
             original_size (`Tuple[int]`, *optional*, defaults to (1024, 1024)):
                 If `original_size` is not the same as `target_size` the image will appear to be down- or upsampled.
                 `original_size` defaults to `(height, width)` if not specified. Part of SDXL's micro-conditioning as
@@ -1273,12 +1311,6 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
 
         controlnet = self.controlnet._orig_mod if is_compiled_module(self.controlnet) else self.controlnet
 
-        # align format for control guidance
-        if not isinstance(control_guidance_start, list) and isinstance(control_guidance_end, list):
-            control_guidance_start = len(control_guidance_end) * [control_guidance_start]
-        elif not isinstance(control_guidance_end, list) and isinstance(control_guidance_start, list):
-            control_guidance_end = len(control_guidance_start) * [control_guidance_end]
-
         if not isinstance(control_image, list):
             control_image = [control_image]
         else:
@@ -1287,37 +1319,56 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
         if not isinstance(control_mode, list):
             control_mode = [control_mode]
 
-        if len(control_image) != len(control_mode):
-            raise ValueError("Expected len(control_image) == len(control_type)")
+        if isinstance(controlnet, MultiControlNetUnionModel):
+            control_image = [[item] for item in control_image]
+            control_mode = [[item] for item in control_mode]
 
-        num_control_type = controlnet.config.num_control_type
-
-        # 1. Check inputs
-        control_type = [0 for _ in range(num_control_type)]
-        for _image, control_idx in zip(control_image, control_mode):
-            control_type[control_idx] = 1
-            self.check_inputs(
-                prompt,
-                prompt_2,
-                _image,
-                strength,
-                num_inference_steps,
-                callback_steps,
-                negative_prompt,
-                negative_prompt_2,
-                prompt_embeds,
-                negative_prompt_embeds,
-                pooled_prompt_embeds,
-                negative_pooled_prompt_embeds,
-                ip_adapter_image,
-                ip_adapter_image_embeds,
-                controlnet_conditioning_scale,
-                control_guidance_start,
-                control_guidance_end,
-                callback_on_step_end_tensor_inputs,
+        # align format for control guidance
+        if not isinstance(control_guidance_start, list) and isinstance(control_guidance_end, list):
+            control_guidance_start = len(control_guidance_end) * [control_guidance_start]
+        elif not isinstance(control_guidance_end, list) and isinstance(control_guidance_start, list):
+            control_guidance_end = len(control_guidance_start) * [control_guidance_end]
+        elif not isinstance(control_guidance_start, list) and not isinstance(control_guidance_end, list):
+            mult = len(controlnet.nets) if isinstance(controlnet, MultiControlNetUnionModel) else len(control_mode)
+            control_guidance_start, control_guidance_end = (
+                mult * [control_guidance_start],
+                mult * [control_guidance_end],
             )
 
-        control_type = torch.Tensor(control_type)
+        if isinstance(controlnet_conditioning_scale, float):
+            mult = len(controlnet.nets) if isinstance(controlnet, MultiControlNetUnionModel) else len(control_mode)
+            controlnet_conditioning_scale = [controlnet_conditioning_scale] * mult
+
+        # 1. Check inputs
+        self.check_inputs(
+            prompt,
+            prompt_2,
+            control_image,
+            strength,
+            num_inference_steps,
+            callback_steps,
+            negative_prompt,
+            negative_prompt_2,
+            prompt_embeds,
+            negative_prompt_embeds,
+            pooled_prompt_embeds,
+            negative_pooled_prompt_embeds,
+            ip_adapter_image,
+            ip_adapter_image_embeds,
+            controlnet_conditioning_scale,
+            control_guidance_start,
+            control_guidance_end,
+            control_mode,
+            callback_on_step_end_tensor_inputs,
+        )
+
+        if isinstance(controlnet, ControlNetUnionModel):
+            control_type = torch.zeros(controlnet.config.num_control_type).scatter_(0, torch.tensor(control_mode), 1)
+        elif isinstance(controlnet, MultiControlNetUnionModel):
+            control_type = [
+                torch.zeros(controlnet_.config.num_control_type).scatter_(0, torch.tensor(control_mode_), 1)
+                for control_mode_, controlnet_ in zip(control_mode, self.controlnet.nets)
+            ]
 
         self._guidance_scale = guidance_scale
         self._clip_skip = clip_skip
@@ -1334,7 +1385,11 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
 
         device = self._execution_device
 
-        global_pool_conditions = controlnet.config.global_pool_conditions
+        global_pool_conditions = (
+            controlnet.config.global_pool_conditions
+            if isinstance(controlnet, ControlNetUnionModel)
+            else controlnet.nets[0].config.global_pool_conditions
+        )
         guess_mode = guess_mode or global_pool_conditions
 
         # 3.1. Encode input prompt
@@ -1372,22 +1427,55 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
                 self.do_classifier_free_guidance,
             )
 
-        # 4. Prepare image and controlnet_conditioning_image
+        # 4.1 Prepare image
         image = self.image_processor.preprocess(image, height=height, width=width).to(dtype=torch.float32)
 
-        for idx, _ in enumerate(control_image):
-            control_image[idx] = self.prepare_control_image(
-                image=control_image[idx],
-                width=width,
-                height=height,
-                batch_size=batch_size * num_images_per_prompt,
-                num_images_per_prompt=num_images_per_prompt,
-                device=device,
-                dtype=controlnet.dtype,
-                do_classifier_free_guidance=self.do_classifier_free_guidance,
-                guess_mode=guess_mode,
-            )
-            height, width = control_image[idx].shape[-2:]
+        # 4.2 Prepare control images
+        if isinstance(controlnet, ControlNetUnionModel):
+            control_images = []
+
+            for image_ in control_image:
+                image_ = self.prepare_control_image(
+                    image=image_,
+                    width=width,
+                    height=height,
+                    batch_size=batch_size * num_images_per_prompt,
+                    num_images_per_prompt=num_images_per_prompt,
+                    device=device,
+                    dtype=controlnet.dtype,
+                    do_classifier_free_guidance=self.do_classifier_free_guidance,
+                    guess_mode=guess_mode,
+                )
+
+                control_images.append(image_)
+
+            control_image = control_images
+            height, width = control_image[0].shape[-2:]
+
+        elif isinstance(controlnet, MultiControlNetUnionModel):
+            control_images = []
+
+            for control_image_ in control_image:
+                images = []
+
+                for image_ in control_image_:
+                    image_ = self.prepare_control_image(
+                        image=image_,
+                        width=width,
+                        height=height,
+                        batch_size=batch_size * num_images_per_prompt,
+                        num_images_per_prompt=num_images_per_prompt,
+                        device=device,
+                        dtype=controlnet.dtype,
+                        do_classifier_free_guidance=self.do_classifier_free_guidance,
+                        guess_mode=guess_mode,
+                    )
+
+                    images.append(image_)
+                control_images.append(images)
+
+            control_image = control_images
+            height, width = control_image[0][0].shape[-2:]
 
         # 5. Prepare timesteps
         self.scheduler.set_timesteps(num_inference_steps, device=device)
@@ -1414,10 +1502,11 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
         # 7.1 Create tensor stating which controlnets to keep
         controlnet_keep = []
         for i in range(len(timesteps)):
-            controlnet_keep.append(
-                1.0
-                - float(i / len(timesteps) < control_guidance_start or (i + 1) / len(timesteps) > control_guidance_end)
-            )
+            keeps = [
+                1.0 - float(i / len(timesteps) < s or (i + 1) / len(timesteps) > e)
+                for s, e in zip(control_guidance_start, control_guidance_end)
+            ]
+            controlnet_keep.append(keeps)
 
         # 7.2 Prepare added time ids & embeddings
         original_size = original_size or (height, width)
@@ -1460,12 +1549,25 @@ class StableDiffusionXLControlNetUnionImg2ImgPipeline(
         prompt_embeds = prompt_embeds.to(device)
         add_text_embeds = add_text_embeds.to(device)
         add_time_ids = add_time_ids.to(device)
-        control_type = (
-            control_type.reshape(1, -1)
-            .to(device, dtype=prompt_embeds.dtype)
-            .repeat(batch_size * num_images_per_prompt * 2, 1)
+
+        control_type_repeat_factor = (
+            batch_size * num_images_per_prompt * (2 if self.do_classifier_free_guidance else 1)
         )
 
+        if isinstance(controlnet, ControlNetUnionModel):
+            control_type = (
+                control_type.reshape(1, -1)
+                .to(self._execution_device, dtype=prompt_embeds.dtype)
+                .repeat(control_type_repeat_factor, 1)
+            )
+        elif isinstance(controlnet, MultiControlNetUnionModel):
+            control_type = [
+                _control_type.reshape(1, -1)
+                .to(self._execution_device, dtype=prompt_embeds.dtype)
+                .repeat(control_type_repeat_factor, 1)
+                for _control_type in control_type
+            ]
+
         # 8. Denoising loop
         num_warmup_steps = len(timesteps) - num_inference_steps * self.scheduler.order
         with self.progress_bar(total=num_inference_steps) as progress_bar:

src/diffusers/pipelines/stable_diffusion/pipeline_onnx_stable_diffusion.py

@@ -383,7 +383,8 @@ class OnnxStableDiffusionPipeline(DiffusionPipeline):
         # set timesteps
         self.scheduler.set_timesteps(num_inference_steps)
 
-        latents = latents * np.float64(self.scheduler.init_noise_sigma)
+        # scale the initial noise by the standard deviation required by the scheduler
+        latents = latents * self.scheduler.init_noise_sigma
 
         # prepare extra kwargs for the scheduler step, since not all schedulers have the same signature
         # eta (η) is only used with the DDIMScheduler, it will be ignored for other schedulers.

src/diffusers/pipelines/stable_diffusion/pipeline_onnx_stable_diffusion_inpaint.py

@@ -483,7 +483,7 @@ class OnnxStableDiffusionInpaintPipeline(DiffusionPipeline):
         self.scheduler.set_timesteps(num_inference_steps)
 
         # scale the initial noise by the standard deviation required by the scheduler
-        latents = latents * np.float64(self.scheduler.init_noise_sigma)
+        latents = latents * self.scheduler.init_noise_sigma
 
         # prepare extra kwargs for the scheduler step, since not all schedulers have the same signature
         # eta (η) is only used with the DDIMScheduler, it will be ignored for other schedulers.

src/diffusers/pipelines/stable_diffusion/pipeline_onnx_stable_diffusion_upscale.py

@@ -481,7 +481,7 @@ class OnnxStableDiffusionUpscalePipeline(DiffusionPipeline):
         timesteps = self.scheduler.timesteps
 
         # Scale the initial noise by the standard deviation required by the scheduler
-        latents = latents * np.float64(self.scheduler.init_noise_sigma)
+        latents = latents * self.scheduler.init_noise_sigma
 
         # 5. Add noise to image
         noise_level = np.array([noise_level]).astype(np.int64)

tests/modular_pipelines/stable_diffusion_xl/test_modular_pipeline_stable_diffusion_xl.py

@@ -0,0 +1,511 @@
+# coding=utf-8
+# Copyright 2025 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 random
+import tempfile
+import unittest
+from typing import Any, Dict
+
+import numpy as np
+import torch
+from PIL import Image
+
+from diffusers import (
+    ClassifierFreeGuidance,
+    ComponentsManager,
+    ModularPipeline,
+    StableDiffusionXLAutoBlocks,
+    StableDiffusionXLModularPipeline,
+)
+from diffusers.loaders import ModularIPAdapterMixin
+from diffusers.utils.testing_utils import (
+    enable_full_determinism,
+    floats_tensor,
+    require_torch_accelerator,
+    torch_device,
+)
+
+from ...models.unets.test_models_unet_2d_condition import (
+    create_ip_adapter_state_dict,
+)
+from ..test_modular_pipelines_common import (
+    ModularPipelineTesterMixin,
+)
+
+
+enable_full_determinism()
+
+
+class SDXLModularTests:
+    """
+    This mixin defines method to create pipeline, base input and base test across all SDXL modular tests.
+    """
+
+    pipeline_class = StableDiffusionXLModularPipeline
+    pipeline_blocks_class = StableDiffusionXLAutoBlocks
+    repo = "hf-internal-testing/tiny-sdxl-modular"
+    params = frozenset(
+        [
+            "prompt",
+            "height",
+            "width",
+            "negative_prompt",
+            "cross_attention_kwargs",
+            "image",
+            "mask_image",
+        ]
+    )
+    batch_params = frozenset(["prompt", "negative_prompt", "image", "mask_image"])
+
+    def get_pipeline(self, components_manager=None, torch_dtype=torch.float32):
+        pipeline = self.pipeline_blocks_class().init_pipeline(self.repo, components_manager=components_manager)
+        pipeline.load_default_components(torch_dtype=torch_dtype)
+        return pipeline
+
+    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,
+            "output_type": "np",
+        }
+        return inputs
+
+    def _test_stable_diffusion_xl_euler(self, expected_image_shape, expected_slice, expected_max_diff=1e-2):
+        device = "cpu"  # ensure determinism for the device-dependent torch.Generator
+        sd_pipe = self.get_pipeline()
+        sd_pipe = sd_pipe.to(device)
+        sd_pipe.set_progress_bar_config(disable=None)
+
+        inputs = self.get_dummy_inputs(device)
+        image = sd_pipe(**inputs, output="images")
+        image_slice = image[0, -3:, -3:, -1]
+
+        assert image.shape == expected_image_shape
+
+        assert np.abs(image_slice.flatten() - expected_slice).max() < expected_max_diff, (
+            "Image Slice does not match expected slice"
+        )
+
+
+class SDXLModularIPAdapterTests:
+    """
+    This mixin is designed to test IP Adapter.
+    """
+
+    def test_pipeline_inputs_and_blocks(self):
+        blocks = self.pipeline_blocks_class()
+        parameters = blocks.input_names
+
+        assert issubclass(self.pipeline_class, ModularIPAdapterMixin)
+        assert "ip_adapter_image" in parameters, (
+            "`ip_adapter_image` argument must be supported by the `__call__` method"
+        )
+        assert "ip_adapter" in blocks.sub_blocks, "pipeline must contain an IPAdapter block"
+
+        _ = blocks.sub_blocks.pop("ip_adapter")
+        parameters = blocks.input_names
+        intermediate_parameters = blocks.intermediate_input_names
+        assert "ip_adapter_image" not in parameters, (
+            "`ip_adapter_image` argument must be removed from the `__call__` method"
+        )
+        assert "ip_adapter_image_embeds" not in intermediate_parameters, (
+            "`ip_adapter_image_embeds` argument must be supported by the `__call__` method"
+        )
+
+    def _get_dummy_image_embeds(self, cross_attention_dim: int = 32):
+        return torch.randn((1, 1, cross_attention_dim), device=torch_device)
+
+    def _get_dummy_faceid_image_embeds(self, cross_attention_dim: int = 32):
+        return torch.randn((1, 1, 1, cross_attention_dim), device=torch_device)
+
+    def _get_dummy_masks(self, input_size: int = 64):
+        _masks = torch.zeros((1, 1, input_size, input_size), device=torch_device)
+        _masks[0, :, :, : int(input_size / 2)] = 1
+        return _masks
+
+    def _modify_inputs_for_ip_adapter_test(self, inputs: Dict[str, Any]):
+        blocks = self.pipeline_blocks_class()
+        _ = blocks.sub_blocks.pop("ip_adapter")
+        parameters = blocks.input_names
+        if "image" in parameters and "strength" in parameters:
+            inputs["num_inference_steps"] = 4
+
+        inputs["output_type"] = "np"
+        return inputs
+
+    def test_ip_adapter(self, expected_max_diff: float = 1e-4, expected_pipe_slice=None):
+        r"""Tests for IP-Adapter.
+
+        The following scenarios are tested:
+          - Single IP-Adapter with scale=0 should produce same output as no IP-Adapter.
+          - Multi IP-Adapter with scale=0 should produce same output as no IP-Adapter.
+          - Single IP-Adapter with scale!=0 should produce different output compared to no IP-Adapter.
+          - Multi IP-Adapter with scale!=0 should produce different output compared to no IP-Adapter.
+        """
+        # Raising the tolerance for this test when it's run on a CPU because we
+        # compare against static slices and that can be shaky (with a VVVV low probability).
+        expected_max_diff = 9e-4 if torch_device == "cpu" else expected_max_diff
+
+        blocks = self.pipeline_blocks_class()
+        _ = blocks.sub_blocks.pop("ip_adapter")
+        pipe = blocks.init_pipeline(self.repo)
+        pipe.load_default_components(torch_dtype=torch.float32)
+        pipe = pipe.to(torch_device)
+        pipe.set_progress_bar_config(disable=None)
+        cross_attention_dim = pipe.unet.config.get("cross_attention_dim")
+
+        # forward pass without ip adapter
+        inputs = self._modify_inputs_for_ip_adapter_test(self.get_dummy_inputs(torch_device))
+        if expected_pipe_slice is None:
+            output_without_adapter = pipe(**inputs, output="images")
+        else:
+            output_without_adapter = expected_pipe_slice
+
+        # 1. Single IP-Adapter test cases
+        adapter_state_dict = create_ip_adapter_state_dict(pipe.unet)
+        pipe.unet._load_ip_adapter_weights(adapter_state_dict)
+
+        # forward pass with single ip adapter, but scale=0 which should have no effect
+        inputs = self._modify_inputs_for_ip_adapter_test(self.get_dummy_inputs(torch_device))
+        inputs["ip_adapter_embeds"] = [self._get_dummy_image_embeds(cross_attention_dim)]
+        inputs["negative_ip_adapter_embeds"] = [self._get_dummy_image_embeds(cross_attention_dim)]
+        pipe.set_ip_adapter_scale(0.0)
+        output_without_adapter_scale = pipe(**inputs, output="images")
+        if expected_pipe_slice is not None:
+            output_without_adapter_scale = output_without_adapter_scale[0, -3:, -3:, -1].flatten()
+
+        # forward pass with single ip adapter, but with scale of adapter weights
+        inputs = self._modify_inputs_for_ip_adapter_test(self.get_dummy_inputs(torch_device))
+        inputs["ip_adapter_embeds"] = [self._get_dummy_image_embeds(cross_attention_dim)]
+        inputs["negative_ip_adapter_embeds"] = [self._get_dummy_image_embeds(cross_attention_dim)]
+        pipe.set_ip_adapter_scale(42.0)
+        output_with_adapter_scale = pipe(**inputs, output="images")
+        if expected_pipe_slice is not None:
+            output_with_adapter_scale = output_with_adapter_scale[0, -3:, -3:, -1].flatten()
+
+        max_diff_without_adapter_scale = np.abs(output_without_adapter_scale - output_without_adapter).max()
+        max_diff_with_adapter_scale = np.abs(output_with_adapter_scale - output_without_adapter).max()
+
+        assert max_diff_without_adapter_scale < expected_max_diff, (
+            "Output without ip-adapter must be same as normal inference"
+        )
+        assert max_diff_with_adapter_scale > 1e-2, "Output with ip-adapter must be different from normal inference"
+
+        # 2. Multi IP-Adapter test cases
+        adapter_state_dict_1 = create_ip_adapter_state_dict(pipe.unet)
+        adapter_state_dict_2 = create_ip_adapter_state_dict(pipe.unet)
+        pipe.unet._load_ip_adapter_weights([adapter_state_dict_1, adapter_state_dict_2])
+
+        # forward pass with multi ip adapter, but scale=0 which should have no effect
+        inputs = self._modify_inputs_for_ip_adapter_test(self.get_dummy_inputs(torch_device))
+        inputs["ip_adapter_embeds"] = [self._get_dummy_image_embeds(cross_attention_dim)] * 2
+        inputs["negative_ip_adapter_embeds"] = [self._get_dummy_image_embeds(cross_attention_dim)] * 2
+        pipe.set_ip_adapter_scale([0.0, 0.0])
+        output_without_multi_adapter_scale = pipe(**inputs, output="images")
+        if expected_pipe_slice is not None:
+            output_without_multi_adapter_scale = output_without_multi_adapter_scale[0, -3:, -3:, -1].flatten()
+
+        # forward pass with multi ip adapter, but with scale of adapter weights
+        inputs = self._modify_inputs_for_ip_adapter_test(self.get_dummy_inputs(torch_device))
+        inputs["ip_adapter_embeds"] = [self._get_dummy_image_embeds(cross_attention_dim)] * 2
+        inputs["negative_ip_adapter_embeds"] = [self._get_dummy_image_embeds(cross_attention_dim)] * 2
+        pipe.set_ip_adapter_scale([42.0, 42.0])
+        output_with_multi_adapter_scale = pipe(**inputs, output="images")
+        if expected_pipe_slice is not None:
+            output_with_multi_adapter_scale = output_with_multi_adapter_scale[0, -3:, -3:, -1].flatten()
+
+        max_diff_without_multi_adapter_scale = np.abs(
+            output_without_multi_adapter_scale - output_without_adapter
+        ).max()
+        max_diff_with_multi_adapter_scale = np.abs(output_with_multi_adapter_scale - output_without_adapter).max()
+        assert max_diff_without_multi_adapter_scale < expected_max_diff, (
+            "Output without multi-ip-adapter must be same as normal inference"
+        )
+        assert max_diff_with_multi_adapter_scale > 1e-2, (
+            "Output with multi-ip-adapter scale must be different from normal inference"
+        )
+
+
+class SDXLModularControlNetTests:
+    """
+    This mixin is designed to test ControlNet.
+    """
+
+    def test_pipeline_inputs(self):
+        blocks = self.pipeline_blocks_class()
+        parameters = blocks.input_names
+
+        assert "control_image" in parameters, "`control_image` argument must be supported by the `__call__` method"
+        assert "controlnet_conditioning_scale" in parameters, (
+            "`controlnet_conditioning_scale` argument must be supported by the `__call__` method"
+        )
+
+    def _modify_inputs_for_controlnet_test(self, inputs: Dict[str, Any]):
+        controlnet_embedder_scale_factor = 2
+        image = torch.randn(
+            (1, 3, 32 * controlnet_embedder_scale_factor, 32 * controlnet_embedder_scale_factor),
+            device=torch_device,
+        )
+        inputs["control_image"] = image
+        return inputs
+
+    def test_controlnet(self, expected_max_diff: float = 1e-4, expected_pipe_slice=None):
+        r"""Tests for ControlNet.
+
+        The following scenarios are tested:
+          - Single ControlNet with scale=0 should produce same output as no ControlNet.
+          - Single ControlNet with scale!=0 should produce different output compared to no ControlNet.
+        """
+        # Raising the tolerance for this test when it's run on a CPU because we
+        # compare against static slices and that can be shaky (with a VVVV low probability).
+        expected_max_diff = 9e-4 if torch_device == "cpu" else expected_max_diff
+
+        pipe = self.get_pipeline()
+        pipe = pipe.to(torch_device)
+        pipe.set_progress_bar_config(disable=None)
+
+        # forward pass without controlnet
+        inputs = self.get_dummy_inputs(torch_device)
+        output_without_controlnet = pipe(**inputs, output="images")
+        output_without_controlnet = output_without_controlnet[0, -3:, -3:, -1].flatten()
+
+        # forward pass with single controlnet, but scale=0 which should have no effect
+        inputs = self._modify_inputs_for_controlnet_test(self.get_dummy_inputs(torch_device))
+        inputs["controlnet_conditioning_scale"] = 0.0
+        output_without_controlnet_scale = pipe(**inputs, output="images")
+        output_without_controlnet_scale = output_without_controlnet_scale[0, -3:, -3:, -1].flatten()
+
+        # forward pass with single controlnet, but with scale of adapter weights
+        inputs = self._modify_inputs_for_controlnet_test(self.get_dummy_inputs(torch_device))
+        inputs["controlnet_conditioning_scale"] = 42.0
+        output_with_controlnet_scale = pipe(**inputs, output="images")
+        output_with_controlnet_scale = output_with_controlnet_scale[0, -3:, -3:, -1].flatten()
+
+        max_diff_without_controlnet_scale = np.abs(output_without_controlnet_scale - output_without_controlnet).max()
+        max_diff_with_controlnet_scale = np.abs(output_with_controlnet_scale - output_without_controlnet).max()
+
+        assert max_diff_without_controlnet_scale < expected_max_diff, (
+            "Output without controlnet must be same as normal inference"
+        )
+        assert max_diff_with_controlnet_scale > 1e-2, "Output with controlnet must be different from normal inference"
+
+    def test_controlnet_cfg(self):
+        pipe = self.get_pipeline()
+        pipe = pipe.to(torch_device)
+        pipe.set_progress_bar_config(disable=None)
+
+        # forward pass with CFG not applied
+        guider = ClassifierFreeGuidance(guidance_scale=1.0)
+        pipe.update_components(guider=guider)
+
+        inputs = self._modify_inputs_for_controlnet_test(self.get_dummy_inputs(torch_device))
+        out_no_cfg = pipe(**inputs, output="images")
+
+        # forward pass with CFG applied
+        guider = ClassifierFreeGuidance(guidance_scale=7.5)
+        pipe.update_components(guider=guider)
+        inputs = self._modify_inputs_for_controlnet_test(self.get_dummy_inputs(torch_device))
+        out_cfg = pipe(**inputs, output="images")
+
+        assert out_cfg.shape == out_no_cfg.shape
+        max_diff = np.abs(out_cfg - out_no_cfg).max()
+        assert max_diff > 1e-2, "Output with CFG must be different from normal inference"
+
+
+class SDXLModularGuiderTests:
+    def test_guider_cfg(self):
+        pipe = self.get_pipeline()
+        pipe = pipe.to(torch_device)
+        pipe.set_progress_bar_config(disable=None)
+
+        # forward pass with CFG not applied
+        guider = ClassifierFreeGuidance(guidance_scale=1.0)
+        pipe.update_components(guider=guider)
+
+        inputs = self.get_dummy_inputs(torch_device)
+        out_no_cfg = pipe(**inputs, output="images")
+
+        # forward pass with CFG applied
+        guider = ClassifierFreeGuidance(guidance_scale=7.5)
+        pipe.update_components(guider=guider)
+        inputs = self.get_dummy_inputs(torch_device)
+        out_cfg = pipe(**inputs, output="images")
+
+        assert out_cfg.shape == out_no_cfg.shape
+        max_diff = np.abs(out_cfg - out_no_cfg).max()
+        assert max_diff > 1e-2, "Output with CFG must be different from normal inference"
+
+
+class SDXLModularPipelineFastTests(
+    SDXLModularTests,
+    SDXLModularIPAdapterTests,
+    SDXLModularControlNetTests,
+    SDXLModularGuiderTests,
+    ModularPipelineTesterMixin,
+    unittest.TestCase,
+):
+    """Test cases for Stable Diffusion XL modular pipeline fast tests."""
+
+    def test_stable_diffusion_xl_euler(self):
+        self._test_stable_diffusion_xl_euler(
+            expected_image_shape=(1, 64, 64, 3),
+            expected_slice=[
+                0.5966781,
+                0.62939394,
+                0.48465094,
+                0.51573336,
+                0.57593524,
+                0.47035995,
+                0.53410417,
+                0.51436996,
+                0.47313565,
+            ],
+            expected_max_diff=1e-2,
+        )
+
+    def test_inference_batch_single_identical(self):
+        super().test_inference_batch_single_identical(expected_max_diff=3e-3)
+
+    @require_torch_accelerator
+    def test_stable_diffusion_xl_offloads(self):
+        pipes = []
+        sd_pipe = self.get_pipeline().to(torch_device)
+        pipes.append(sd_pipe)
+
+        cm = ComponentsManager()
+        cm.enable_auto_cpu_offload(device=torch_device)
+        sd_pipe = self.get_pipeline(components_manager=cm)
+        pipes.append(sd_pipe)
+
+        image_slices = []
+        for pipe in pipes:
+            inputs = self.get_dummy_inputs(torch_device)
+            image = pipe(**inputs, output="images")
+
+            image_slices.append(image[0, -3:, -3:, -1].flatten())
+
+        assert np.abs(image_slices[0] - image_slices[1]).max() < 1e-3
+
+    def test_stable_diffusion_xl_save_from_pretrained(self):
+        pipes = []
+        sd_pipe = self.get_pipeline().to(torch_device)
+        pipes.append(sd_pipe)
+
+        with tempfile.TemporaryDirectory() as tmpdirname:
+            sd_pipe.save_pretrained(tmpdirname)
+            sd_pipe = ModularPipeline.from_pretrained(tmpdirname).to(torch_device)
+            sd_pipe.load_default_components(torch_dtype=torch.float32)
+            sd_pipe.to(torch_device)
+        pipes.append(sd_pipe)
+
+        image_slices = []
+        for pipe in pipes:
+            inputs = self.get_dummy_inputs(torch_device)
+            image = pipe(**inputs, output="images")
+
+            image_slices.append(image[0, -3:, -3:, -1].flatten())
+
+        assert np.abs(image_slices[0] - image_slices[1]).max() < 1e-3
+
+
+class SDXLImg2ImgModularPipelineFastTests(
+    SDXLModularTests,
+    SDXLModularIPAdapterTests,
+    SDXLModularControlNetTests,
+    SDXLModularGuiderTests,
+    ModularPipelineTesterMixin,
+    unittest.TestCase,
+):
+    """Test cases for Stable Diffusion XL image-to-image modular pipeline fast tests."""
+
+    def get_dummy_inputs(self, device, seed=0):
+        inputs = super().get_dummy_inputs(device, seed)
+        image = floats_tensor((1, 3, 64, 64), rng=random.Random(seed)).to(device)
+        image = image / 2 + 0.5
+        inputs["image"] = image
+        inputs["strength"] = 0.8
+
+        return inputs
+
+    def test_stable_diffusion_xl_euler(self):
+        self._test_stable_diffusion_xl_euler(
+            expected_image_shape=(1, 64, 64, 3),
+            expected_slice=[
+                0.56943184,
+                0.4702148,
+                0.48048905,
+                0.6235963,
+                0.551138,
+                0.49629188,
+                0.60031277,
+                0.5688907,
+                0.43996853,
+            ],
+            expected_max_diff=1e-2,
+        )
+
+    def test_inference_batch_single_identical(self):
+        super().test_inference_batch_single_identical(expected_max_diff=3e-3)
+
+
+class SDXLInpaintingModularPipelineFastTests(
+    SDXLModularTests,
+    SDXLModularIPAdapterTests,
+    SDXLModularControlNetTests,
+    SDXLModularGuiderTests,
+    ModularPipelineTesterMixin,
+    unittest.TestCase,
+):
+    """Test cases for Stable Diffusion XL inpainting modular pipeline fast tests."""
+
+    def get_dummy_inputs(self, device, seed=0):
+        inputs = super().get_dummy_inputs(device, seed)
+        image = floats_tensor((1, 3, 32, 32), rng=random.Random(seed)).to(device)
+        image = image.cpu().permute(0, 2, 3, 1)[0]
+        init_image = Image.fromarray(np.uint8(image)).convert("RGB").resize((64, 64))
+        # create mask
+        image[8:, 8:, :] = 255
+        mask_image = Image.fromarray(np.uint8(image)).convert("L").resize((64, 64))
+
+        inputs["image"] = init_image
+        inputs["mask_image"] = mask_image
+        inputs["strength"] = 1.0
+
+        return inputs
+
+    def test_stable_diffusion_xl_euler(self):
+        self._test_stable_diffusion_xl_euler(
+            expected_image_shape=(1, 64, 64, 3),
+            expected_slice=[
+                0.40872607,
+                0.38842705,
+                0.34893104,
+                0.47837183,
+                0.43792963,
+                0.5332134,
+                0.3716843,
+                0.47274873,
+                0.45000193,
+            ],
+            expected_max_diff=1e-2,
+        )
+
+    def test_inference_batch_single_identical(self):
+        super().test_inference_batch_single_identical(expected_max_diff=3e-3)

tests/modular_pipelines/test_modular_pipelines_common.py

@@ -0,0 +1,330 @@
+import gc
+import unittest
+from typing import Callable, Union
+
+import numpy as np
+import torch
+
+import diffusers
+from diffusers.utils import logging
+from diffusers.utils.dummy_pt_objects import ModularPipeline, ModularPipelineBlocks
+from diffusers.utils.testing_utils import (
+    backend_empty_cache,
+    numpy_cosine_similarity_distance,
+    require_accelerator,
+    require_torch,
+    torch_device,
+)
+
+
+def to_np(tensor):
+    if isinstance(tensor, torch.Tensor):
+        tensor = tensor.detach().cpu().numpy()
+
+    return tensor
+
+
+@require_torch
+class ModularPipelineTesterMixin:
+    """
+    This mixin is designed to be used with unittest.TestCase classes.
+    It provides a set of common tests for each modular pipeline,
+    including:
+    - test_pipeline_call_signature: check if the pipeline's __call__ method has all required parameters
+    - test_inference_batch_consistent: check if the pipeline's __call__ method can handle batch inputs
+    - test_inference_batch_single_identical: check if the pipeline's __call__ method can handle single input
+    - test_float16_inference: check if the pipeline's __call__ method can handle float16 inputs
+    - test_to_device: check if the pipeline's __call__ method can handle different devices
+    """
+
+    # Canonical parameters that are passed to `__call__` regardless
+    # of the type of pipeline. They are always optional and have common
+    # sense default values.
+    optional_params = frozenset(
+        [
+            "num_inference_steps",
+            "num_images_per_prompt",
+            "latents",
+            "output_type",
+        ]
+    )
+    # this is modular specific: generator needs to be a intermediate input because it's mutable
+    intermediate_params = frozenset(
+        [
+            "generator",
+        ]
+    )
+
+    def get_generator(self, seed):
+        device = torch_device if torch_device != "mps" else "cpu"
+        generator = torch.Generator(device).manual_seed(seed)
+        return generator
+
+    @property
+    def pipeline_class(self) -> Union[Callable, ModularPipeline]:
+        raise NotImplementedError(
+            "You need to set the attribute `pipeline_class = ClassNameOfPipeline` in the child test class. "
+            "See existing pipeline tests for reference."
+        )
+
+    @property
+    def repo(self) -> str:
+        raise NotImplementedError(
+            "You need to set the attribute `repo` in the child test class. See existing pipeline tests for reference."
+        )
+
+    @property
+    def pipeline_blocks_class(self) -> Union[Callable, ModularPipelineBlocks]:
+        raise NotImplementedError(
+            "You need to set the attribute `pipeline_blocks_class = ClassNameOfPipelineBlocks` in the child test class. "
+            "See existing pipeline tests for reference."
+        )
+
+    def get_pipeline(self):
+        raise NotImplementedError(
+            "You need to implement `get_pipeline(self)` in the child test class. "
+            "See existing pipeline tests for reference."
+        )
+
+    def get_dummy_inputs(self, device, seed=0):
+        raise NotImplementedError(
+            "You need to implement `get_dummy_inputs(self, device, seed)` in the child test class. "
+            "See existing pipeline tests for reference."
+        )
+
+    @property
+    def params(self) -> frozenset:
+        raise NotImplementedError(
+            "You need to set the attribute `params` in the child test class. "
+            "`params` are checked for if all values are present in `__call__`'s signature."
+            " You can set `params` using one of the common set of parameters defined in `pipeline_params.py`"
+            " e.g., `TEXT_TO_IMAGE_PARAMS` defines the common parameters used in text to  "
+            "image pipelines, including prompts and prompt embedding overrides."
+            "If your pipeline's set of arguments has minor changes from one of the common sets of arguments, "
+            "do not make modifications to the existing common sets of arguments. I.e. a text to image pipeline "
+            "with non-configurable height and width arguments should set the attribute as "
+            "`params = TEXT_TO_IMAGE_PARAMS - {'height', 'width'}`. "
+            "See existing pipeline tests for reference."
+        )
+
+    @property
+    def batch_params(self) -> frozenset:
+        raise NotImplementedError(
+            "You need to set the attribute `batch_params` in the child test class. "
+            "`batch_params` are the parameters required to be batched when passed to the pipeline's "
+            "`__call__` method. `pipeline_params.py` provides some common sets of parameters such as "
+            "`TEXT_TO_IMAGE_BATCH_PARAMS`, `IMAGE_VARIATION_BATCH_PARAMS`, etc... If your pipeline's "
+            "set of batch arguments has minor changes from one of the common sets of batch arguments, "
+            "do not make modifications to the existing common sets of batch arguments. I.e. a text to "
+            "image pipeline `negative_prompt` is not batched should set the attribute as "
+            "`batch_params = TEXT_TO_IMAGE_BATCH_PARAMS - {'negative_prompt'}`. "
+            "See existing pipeline tests for reference."
+        )
+
+    def setUp(self):
+        # clean up the VRAM before each test
+        super().setUp()
+        torch.compiler.reset()
+        gc.collect()
+        backend_empty_cache(torch_device)
+
+    def tearDown(self):
+        # clean up the VRAM after each test in case of CUDA runtime errors
+        super().tearDown()
+        torch.compiler.reset()
+        gc.collect()
+        backend_empty_cache(torch_device)
+
+    def test_pipeline_call_signature(self):
+        pipe = self.get_pipeline()
+        input_parameters = pipe.blocks.input_names
+        intermediate_parameters = pipe.blocks.intermediate_input_names
+        optional_parameters = pipe.default_call_parameters
+
+        def _check_for_parameters(parameters, expected_parameters, param_type):
+            remaining_parameters = {param for param in parameters if param not in expected_parameters}
+            assert (
+                len(remaining_parameters) == 0
+            ), f"Required {param_type} parameters not present: {remaining_parameters}"
+
+        _check_for_parameters(self.params, input_parameters, "input")
+        _check_for_parameters(self.intermediate_params, intermediate_parameters, "intermediate")
+        _check_for_parameters(self.optional_params, optional_parameters, "optional")
+
+    def test_inference_batch_consistent(self, batch_sizes=[2], batch_generator=True):
+        pipe = self.get_pipeline()
+        pipe.to(torch_device)
+        pipe.set_progress_bar_config(disable=None)
+
+        inputs = self.get_dummy_inputs(torch_device)
+        inputs["generator"] = self.get_generator(0)
+
+        logger = logging.get_logger(pipe.__module__)
+        logger.setLevel(level=diffusers.logging.FATAL)
+
+        # prepare batched inputs
+        batched_inputs = []
+        for batch_size in batch_sizes:
+            batched_input = {}
+            batched_input.update(inputs)
+
+            for name in self.batch_params:
+                if name not in inputs:
+                    continue
+
+                value = inputs[name]
+                batched_input[name] = batch_size * [value]
+
+            if batch_generator and "generator" in inputs:
+                batched_input["generator"] = [self.get_generator(i) for i in range(batch_size)]
+
+            if "batch_size" in inputs:
+                batched_input["batch_size"] = batch_size
+
+            batched_inputs.append(batched_input)
+
+        logger.setLevel(level=diffusers.logging.WARNING)
+        for batch_size, batched_input in zip(batch_sizes, batched_inputs):
+            output = pipe(**batched_input, output="images")
+            assert len(output) == batch_size, "Output is different from expected batch size"
+
+    def test_inference_batch_single_identical(
+        self,
+        batch_size=2,
+        expected_max_diff=1e-4,
+    ):
+        pipe = self.get_pipeline()
+        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]
+            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
+
+        output = pipe(**inputs, output="images")
+        output_batch = pipe(**batched_inputs, output="images")
+
+        assert output_batch.shape[0] == batch_size
+
+        max_diff = np.abs(to_np(output_batch[0]) - to_np(output[0])).max()
+        assert max_diff < expected_max_diff, "Batch inference results different from single inference results"
+
+    @unittest.skipIf(torch_device not in ["cuda", "xpu"], reason="float16 requires CUDA or XPU")
+    @require_accelerator
+    def test_float16_inference(self, expected_max_diff=5e-2):
+        pipe = self.get_pipeline()
+        pipe.to(torch_device, torch.float32)
+        pipe.set_progress_bar_config(disable=None)
+
+        pipe_fp16 = self.get_pipeline()
+        pipe_fp16.to(torch_device, torch.float16)
+        pipe_fp16.set_progress_bar_config(disable=None)
+
+        inputs = self.get_dummy_inputs(torch_device)
+        # Reset generator in case it is used inside dummy inputs
+        if "generator" in inputs:
+            inputs["generator"] = self.get_generator(0)
+        output = pipe(**inputs, output="images")
+
+        fp16_inputs = self.get_dummy_inputs(torch_device)
+        # Reset generator in case it is used inside dummy inputs
+        if "generator" in fp16_inputs:
+            fp16_inputs["generator"] = self.get_generator(0)
+        output_fp16 = pipe_fp16(**fp16_inputs, output="images")
+
+        if isinstance(output, torch.Tensor):
+            output = output.cpu()
+            output_fp16 = output_fp16.cpu()
+
+        max_diff = numpy_cosine_similarity_distance(output.flatten(), output_fp16.flatten())
+        assert max_diff < expected_max_diff, "FP16 inference is different from FP32 inference"
+
+    @require_accelerator
+    def test_to_device(self):
+        pipe = self.get_pipeline()
+        pipe.set_progress_bar_config(disable=None)
+
+        pipe.to("cpu")
+        model_devices = [
+            component.device.type for component in pipe.components.values() if hasattr(component, "device")
+        ]
+        assert all(device == "cpu" for device in model_devices), "All pipeline components are not on CPU"
+
+        pipe.to(torch_device)
+        model_devices = [
+            component.device.type for component in pipe.components.values() if hasattr(component, "device")
+        ]
+        assert all(
+            device == torch_device for device in model_devices
+        ), "All pipeline components are not on accelerator device"
+
+    def test_inference_is_not_nan_cpu(self):
+        pipe = self.get_pipeline()
+        pipe.set_progress_bar_config(disable=None)
+        pipe.to("cpu")
+
+        output = pipe(**self.get_dummy_inputs("cpu"), output="images")
+        assert np.isnan(to_np(output)).sum() == 0, "CPU Inference returns NaN"
+
+    @require_accelerator
+    def test_inference_is_not_nan(self):
+        pipe = self.get_pipeline()
+        pipe.set_progress_bar_config(disable=None)
+        pipe.to(torch_device)
+
+        output = pipe(**self.get_dummy_inputs(torch_device), output="images")
+        assert np.isnan(to_np(output)).sum() == 0, "Accelerator Inference returns NaN"
+
+    def test_num_images_per_prompt(self):
+        pipe = self.get_pipeline()
+
+        if "num_images_per_prompt" not in pipe.blocks.input_names:
+            return
+
+        pipe = pipe.to(torch_device)
+        pipe.set_progress_bar_config(disable=None)
+
+        batch_sizes = [1, 2]
+        num_images_per_prompts = [1, 2]
+
+        for batch_size in batch_sizes:
+            for num_images_per_prompt in num_images_per_prompts:
+                inputs = self.get_dummy_inputs(torch_device)
+
+                for key in inputs.keys():
+                    if key in self.batch_params:
+                        inputs[key] = batch_size * [inputs[key]]
+
+                images = pipe(**inputs, num_images_per_prompt=num_images_per_prompt, output="images")
+
+                assert images.shape[0] == batch_size * num_images_per_prompt
+
+    @require_accelerator
+    def test_components_auto_cpu_offload(self):
+        base_pipe = self.get_pipeline().to(torch_device)
+        for component in base_pipe.components:
+            assert component.device == torch_device
+
+        cm = ComponentsManager()
+        cm.enable_auto_cpu_offload(device=torch_device)
+        offload_pipe = self.get_pipeline(components_manager=cm)

tests/pipelines/pipeline_params.py

@@ -20,12 +20,6 @@ TEXT_TO_IMAGE_PARAMS = frozenset(
     ]
 )
 
-TEXT_TO_IMAGE_BATCH_PARAMS = frozenset(["prompt", "negative_prompt"])
-
-TEXT_TO_IMAGE_IMAGE_PARAMS = frozenset([])
-
-IMAGE_TO_IMAGE_IMAGE_PARAMS = frozenset(["image"])
-
 IMAGE_VARIATION_PARAMS = frozenset(
     [
         "image",
@@ -35,8 +29,6 @@ IMAGE_VARIATION_PARAMS = frozenset(
     ]
 )
 
-IMAGE_VARIATION_BATCH_PARAMS = frozenset(["image"])
-
 TEXT_GUIDED_IMAGE_VARIATION_PARAMS = frozenset(
     [
         "prompt",
@@ -50,8 +42,6 @@ TEXT_GUIDED_IMAGE_VARIATION_PARAMS = frozenset(
     ]
 )
 
-TEXT_GUIDED_IMAGE_VARIATION_BATCH_PARAMS = frozenset(["prompt", "image", "negative_prompt"])
-
 TEXT_GUIDED_IMAGE_INPAINTING_PARAMS = frozenset(
     [
         # Text guided image variation with an image mask
@@ -67,8 +57,6 @@ TEXT_GUIDED_IMAGE_INPAINTING_PARAMS = frozenset(
     ]
 )
 
-TEXT_GUIDED_IMAGE_INPAINTING_BATCH_PARAMS = frozenset(["prompt", "image", "mask_image", "negative_prompt"])
-
 IMAGE_INPAINTING_PARAMS = frozenset(
     [
         # image variation with an image mask
@@ -80,8 +68,6 @@ IMAGE_INPAINTING_PARAMS = frozenset(
     ]
 )
 
-IMAGE_INPAINTING_BATCH_PARAMS = frozenset(["image", "mask_image"])
-
 IMAGE_GUIDED_IMAGE_INPAINTING_PARAMS = frozenset(
     [
         "example_image",
@@ -93,20 +79,12 @@ IMAGE_GUIDED_IMAGE_INPAINTING_PARAMS = frozenset(
     ]
 )
 
-IMAGE_GUIDED_IMAGE_INPAINTING_BATCH_PARAMS = frozenset(["example_image", "image", "mask_image"])
+UNCONDITIONAL_IMAGE_GENERATION_PARAMS = frozenset(["batch_size"])
 
 CLASS_CONDITIONED_IMAGE_GENERATION_PARAMS = frozenset(["class_labels"])
 
 CLASS_CONDITIONED_IMAGE_GENERATION_BATCH_PARAMS = frozenset(["class_labels"])
 
-UNCONDITIONAL_IMAGE_GENERATION_PARAMS = frozenset(["batch_size"])
-
-UNCONDITIONAL_IMAGE_GENERATION_BATCH_PARAMS = frozenset([])
-
-UNCONDITIONAL_AUDIO_GENERATION_PARAMS = frozenset(["batch_size"])
-
-UNCONDITIONAL_AUDIO_GENERATION_BATCH_PARAMS = frozenset([])
-
 TEXT_TO_AUDIO_PARAMS = frozenset(
     [
         "prompt",
@@ -119,11 +97,38 @@ TEXT_TO_AUDIO_PARAMS = frozenset(
     ]
 )
 
-TEXT_TO_AUDIO_BATCH_PARAMS = frozenset(["prompt", "negative_prompt"])
 TOKENS_TO_AUDIO_GENERATION_PARAMS = frozenset(["input_tokens"])
 
+UNCONDITIONAL_AUDIO_GENERATION_PARAMS = frozenset(["batch_size"])
+
+# image params
+TEXT_TO_IMAGE_IMAGE_PARAMS = frozenset([])
+
+IMAGE_TO_IMAGE_IMAGE_PARAMS = frozenset(["image"])
+
+
+# batch params
+TEXT_TO_IMAGE_BATCH_PARAMS = frozenset(["prompt", "negative_prompt"])
+
+IMAGE_VARIATION_BATCH_PARAMS = frozenset(["image"])
+
+TEXT_GUIDED_IMAGE_VARIATION_BATCH_PARAMS = frozenset(["prompt", "image", "negative_prompt"])
+
+TEXT_GUIDED_IMAGE_INPAINTING_BATCH_PARAMS = frozenset(["prompt", "image", "mask_image", "negative_prompt"])
+
+IMAGE_INPAINTING_BATCH_PARAMS = frozenset(["image", "mask_image"])
+
+IMAGE_GUIDED_IMAGE_INPAINTING_BATCH_PARAMS = frozenset(["example_image", "image", "mask_image"])
+
+UNCONDITIONAL_IMAGE_GENERATION_BATCH_PARAMS = frozenset([])
+
+UNCONDITIONAL_AUDIO_GENERATION_BATCH_PARAMS = frozenset([])
+
+TEXT_TO_AUDIO_BATCH_PARAMS = frozenset(["prompt", "negative_prompt"])
+
 TOKENS_TO_AUDIO_GENERATION_BATCH_PARAMS = frozenset(["input_tokens"])
 
-TEXT_TO_IMAGE_CALLBACK_CFG_PARAMS = frozenset(["prompt_embeds"])
-
 VIDEO_TO_VIDEO_BATCH_PARAMS = frozenset(["prompt", "negative_prompt", "video"])
+
+# callback params
+TEXT_TO_IMAGE_CALLBACK_CFG_PARAMS = frozenset(["prompt_embeds"])