lint(api): start breaking down model loading
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38d3999088
commit
6b6f63564e
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@ -106,6 +106,9 @@ def get_scheduler_name(scheduler: Any) -> Optional[str]:
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return None
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VAE_COMPONENTS = ["vae", "vae_decoder", "vae_encoder"]
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def load_pipeline(
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server: ServerContext,
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params: ImageParams,
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@ -177,15 +180,109 @@ def load_pipeline(
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}
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# shared components
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text_encoder = None
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unet_type = "unet"
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# ControlNet component
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if params.is_control() and params.control is not None:
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cnet_path = path.join(
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server.model_path, "control", f"{params.control.name}.onnx"
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logger.debug("loading ControlNet components")
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control_components = load_controlnet(server, device, params)
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components.update(control_components)
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unet_type = "cnet"
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# Textual Inversion blending
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encoder_components = load_text_encoders(
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server, device, model, inversions, loras, torch_dtype, params
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)
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components.update(encoder_components)
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unet_components = load_unet(
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server, device, model, loras, unet_type, params
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)
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components.update(unet_components)
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vae_components = load_vae(server, device, model)
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components.update(vae_components)
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# additional options for panorama pipeline
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if params.is_panorama():
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components["window"] = params.tiles // 8
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components["stride"] = params.stride // 8
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pipeline_class = available_pipelines.get(pipeline, OnnxStableDiffusionPipeline)
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logger.debug("loading pretrained SD pipeline for %s", pipeline_class.__name__)
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pipe = pipeline_class.from_pretrained(
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model,
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provider=device.ort_provider(),
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sess_options=device.sess_options(),
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safety_checker=None,
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torch_dtype=torch_dtype,
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**components,
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)
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# make sure XL models are actually being used
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if "text_encoder_session" in components:
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pipe.text_encoder = ORTModelTextEncoder(
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components["text_encoder_session"], pipe
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)
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if "text_encoder_2_session" in components:
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pipe.text_encoder_2 = ORTModelTextEncoder(
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components["text_encoder_2_session"], pipe
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)
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if "unet_session" in components:
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# unload old UNet
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pipe.unet = None
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run_gc([device])
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# attach correct one
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pipe.unet = ORTModelUnet(components["unet_session"], pipe)
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if "vae_decoder_session" in components:
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pipe.vae_decoder = ORTModelVaeDecoder(
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components["vae_decoder_session"],
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pipe,
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)
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if "vae_encoder_session" in components:
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pipe.vae_encoder = ORTModelVaeEncoder(
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components["vae_encoder_session"],
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pipe,
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)
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if not server.show_progress:
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pipe.set_progress_bar_config(disable=True)
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optimize_pipeline(server, pipe)
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patch_pipeline(server, pipe, pipeline_class, params)
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server.cache.set(ModelTypes.diffusion, pipe_key, pipe)
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server.cache.set(ModelTypes.scheduler, scheduler_key, components["scheduler"])
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for vae in VAE_COMPONENTS:
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if hasattr(pipe, vae):
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getattr(pipe, vae).set_tiled(tiled=params.tiled_vae)
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# update panorama params
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if params.is_panorama():
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latent_window = params.tiles // 8
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latent_stride = params.stride // 8
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pipe.set_window_size(latent_window, latent_stride)
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for vae in VAE_COMPONENTS:
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if hasattr(pipe, vae):
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getattr(pipe, vae).set_window_size(latent_window, params.overlap)
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run_gc([device])
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return pipe
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def load_controlnet(server, device, params):
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cnet_path = path.join(server.model_path, "control", f"{params.control.name}.onnx")
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logger.debug("loading ControlNet weights from %s", cnet_path)
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components = {}
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components["controlnet"] = OnnxRuntimeModel(
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OnnxRuntimeModel.load_model(
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cnet_path,
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@ -193,24 +290,30 @@ def load_pipeline(
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sess_options=device.sess_options(),
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)
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)
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return components
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unet_type = "cnet"
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# Textual Inversion blending
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if inversions is not None and len(inversions) > 0:
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logger.debug("blending Textual Inversions from %s", inversions)
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inversion_names, inversion_weights = zip(*inversions)
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inversion_models = [
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path.join(server.model_path, "inversion", name)
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for name in inversion_names
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]
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def load_text_encoders(
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server, device, model: str, inversions, loras, torch_dtype, params
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):
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text_encoder = load_model(path.join(model, "text_encoder", ONNX_MODEL))
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tokenizer = CLIPTokenizer.from_pretrained(
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model,
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subfolder="tokenizer",
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torch_dtype=torch_dtype,
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)
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components = {}
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components["tokenizer"] = tokenizer
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if inversions is not None and len(inversions) > 0:
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logger.debug("blending Textual Inversions from %s", inversions)
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inversion_names, inversion_weights = zip(*inversions)
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inversion_models = [
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path.join(server.model_path, "inversion", name) for name in inversion_names
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]
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text_encoder, tokenizer = blend_textual_inversions(
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server,
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text_encoder,
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@ -225,8 +328,6 @@ def load_pipeline(
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),
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)
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components["tokenizer"] = tokenizer
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# should be pretty small and should not need external data
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if loras is None or len(loras) == 0:
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# TODO: handle XL encoders
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@ -237,19 +338,14 @@ def load_pipeline(
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sess_options=device.sess_options(),
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)
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)
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# LoRA blending
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if loras is not None and len(loras) > 0:
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else:
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# blend and load text encoder
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lora_names, lora_weights = zip(*loras)
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lora_models = [
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path.join(server.model_path, "lora", name) for name in lora_names
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]
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logger.info(
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"blending base model %s with LoRA models: %s", model, lora_models
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)
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logger.info("blending base model %s with LoRA models: %s", model, lora_models)
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# blend and load text encoder
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text_encoder = text_encoder or path.join(model, "text_encoder", ONNX_MODEL)
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text_encoder = blend_loras(
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server,
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text_encoder,
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@ -258,9 +354,7 @@ def load_pipeline(
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1 if params.is_xl() else None,
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params.is_xl(),
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)
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(text_encoder, text_encoder_data) = buffer_external_data_tensors(
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text_encoder
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)
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(text_encoder, text_encoder_data) = buffer_external_data_tensors(text_encoder)
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text_encoder_names, text_encoder_values = zip(*text_encoder_data)
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text_encoder_opts = device.sess_options(cache=False)
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text_encoder_opts.add_external_initializers(
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@ -311,8 +405,22 @@ def load_pipeline(
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text_encoder_2_session._model_path = path.join(model, "text_encoder_2")
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components["text_encoder_2_session"] = text_encoder_2_session
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# blend and load unet
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return components
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def load_unet(server, device, model, loras, unet_type, params):
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components = {}
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unet = path.join(model, unet_type, ONNX_MODEL)
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# LoRA blending
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if loras is not None and len(loras) > 0:
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lora_names, lora_weights = zip(*loras)
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lora_models = [
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path.join(server.model_path, "lora", name) for name in lora_names
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]
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logger.info("blending base model %s with LoRA models: %s", model, lora_models)
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# blend and load unet
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blended_unet = blend_loras(
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server,
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unet,
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@ -354,11 +462,16 @@ def load_pipeline(
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)
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)
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return components
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def load_vae(server, device, model, params):
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# one or more VAE models need to be loaded
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vae = path.join(model, "vae", ONNX_MODEL)
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vae_decoder = path.join(model, "vae_decoder", ONNX_MODEL)
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vae_encoder = path.join(model, "vae_encoder", ONNX_MODEL)
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components = {}
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if not params.is_xl() and path.exists(vae):
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logger.debug("loading VAE from %s", vae)
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components["vae"] = OnnxRuntimeModel(
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@ -378,7 +491,7 @@ def load_pipeline(
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)
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components[
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"vae_decoder_session"
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]._model_path = vae_decoder # "#\\not a real path on any system"
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]._model_path = vae_decoder
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logger.debug("loading VAE encoder from %s", vae_encoder)
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components["vae_encoder_session"] = OnnxRuntimeModel.load_model(
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@ -388,7 +501,7 @@ def load_pipeline(
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)
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components[
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"vae_encoder_session"
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]._model_path = vae_encoder # "#\\not a real path on any system"
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]._model_path = vae_encoder
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else:
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logger.debug("loading VAE decoder from %s", vae_decoder)
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@ -409,79 +522,7 @@ def load_pipeline(
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)
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)
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# additional options for panorama pipeline
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if params.is_panorama():
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components["window"] = params.tiles // 8
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components["stride"] = params.stride // 8
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pipeline_class = available_pipelines.get(pipeline, OnnxStableDiffusionPipeline)
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logger.debug("loading pretrained SD pipeline for %s", pipeline_class.__name__)
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pipe = pipeline_class.from_pretrained(
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model,
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provider=device.ort_provider(),
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sess_options=device.sess_options(),
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safety_checker=None,
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torch_dtype=torch_dtype,
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**components,
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)
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# make sure XL models are actually being used
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if "text_encoder_session" in components:
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pipe.text_encoder = ORTModelTextEncoder(text_encoder_session, text_encoder)
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if "text_encoder_2_session" in components:
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pipe.text_encoder_2 = ORTModelTextEncoder(
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text_encoder_2_session, text_encoder_2
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)
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if "unet_session" in components:
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# unload old UNet first
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pipe.unet = None
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run_gc([device])
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# load correct one
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pipe.unet = ORTModelUnet(unet_session, unet_model)
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if "vae_decoder_session" in components:
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pipe.vae_decoder = ORTModelVaeDecoder(
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components["vae_decoder_session"],
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pipe,
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)
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if "vae_encoder_session" in components:
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pipe.vae_encoder = ORTModelVaeEncoder(
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components["vae_encoder_session"],
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pipe,
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)
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if not server.show_progress:
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pipe.set_progress_bar_config(disable=True)
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optimize_pipeline(server, pipe)
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patch_pipeline(server, pipe, pipeline_class, params)
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server.cache.set(ModelTypes.diffusion, pipe_key, pipe)
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server.cache.set(ModelTypes.scheduler, scheduler_key, components["scheduler"])
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if hasattr(pipe, "vae_decoder"):
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pipe.vae_decoder.set_tiled(tiled=params.tiled_vae)
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if hasattr(pipe, "vae_encoder"):
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pipe.vae_encoder.set_tiled(tiled=params.tiled_vae)
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# update panorama params
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if params.is_panorama():
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latent_window = params.tiles // 8
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latent_stride = params.stride // 8
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pipe.set_window_size(latent_window, latent_stride)
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if hasattr(pipe, "vae_decoder"):
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pipe.vae_decoder.set_window_size(latent_window, params.overlap)
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if hasattr(pipe, "vae_encoder"):
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pipe.vae_encoder.set_window_size(latent_window, params.overlap)
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run_gc([device])
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return pipe
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return components
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def optimize_pipeline(
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@ -11,7 +11,6 @@ from onnx_web.diffusers.load import (
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)
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from onnx_web.diffusers.patches.unet import UNetWrapper
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from onnx_web.diffusers.patches.vae import VAEWrapper
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from onnx_web.diffusers.utils import expand_prompt
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from onnx_web.params import ImageParams
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from onnx_web.server.context import ServerContext
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from tests.mocks import MockPipeline
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@ -26,6 +26,7 @@
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"bokeh",
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"Civitai",
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"ckpt",
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"cnet",
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"codebook",
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"codeformer",
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"controlnet",
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@ -53,6 +54,8 @@
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"KDPM",
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"Knollingcase",
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"Lanczos",
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"loha",
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"loras",
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"Multistep",
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"ndarray",
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"numpy",
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