655 lines
22 KiB
Python
655 lines
22 KiB
Python
from logging import getLogger
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from os import path
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from typing import Any, List, Literal, Optional, Tuple
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from onnx import load_model
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from optimum.onnxruntime import ( # ORTStableDiffusionXLInpaintPipeline,
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ORTStableDiffusionXLImg2ImgPipeline,
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ORTStableDiffusionXLPipeline,
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)
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from transformers import CLIPTokenizer
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from ..constants import LATENT_FACTOR, ONNX_MODEL
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from ..convert.diffusion.lora import blend_loras, buffer_external_data_tensors
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from ..convert.diffusion.textual_inversion import blend_textual_inversions
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from ..diffusers.pipelines.upscale import OnnxStableDiffusionUpscalePipeline
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from ..diffusers.utils import expand_prompt
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from ..params import DeviceParams, ImageParams
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from ..server import ModelTypes, ServerContext
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from ..torch_before_ort import InferenceSession
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from ..utils import run_gc
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from .patches.unet import UNetWrapper
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from .patches.vae import VAEWrapper
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from .pipelines.controlnet import OnnxStableDiffusionControlNetPipeline
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from .pipelines.lpw import OnnxStableDiffusionLongPromptWeightingPipeline
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from .pipelines.panorama import OnnxStableDiffusionPanoramaPipeline
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from .pipelines.panorama_xl import ORTStableDiffusionXLPanoramaPipeline
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from .pipelines.pix2pix import OnnxStableDiffusionInstructPix2PixPipeline
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from .version_safe_diffusers import (
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DDIMScheduler,
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DDPMScheduler,
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DEISMultistepScheduler,
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DPMSolverMultistepScheduler,
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DPMSolverSinglestepScheduler,
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EulerAncestralDiscreteScheduler,
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EulerDiscreteScheduler,
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HeunDiscreteScheduler,
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IPNDMScheduler,
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KarrasVeScheduler,
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KDPM2AncestralDiscreteScheduler,
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KDPM2DiscreteScheduler,
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LCMScheduler,
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LMSDiscreteScheduler,
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OnnxRuntimeModel,
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OnnxStableDiffusionImg2ImgPipeline,
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OnnxStableDiffusionInpaintPipeline,
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OnnxStableDiffusionPipeline,
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PNDMScheduler,
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StableDiffusionPipeline,
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UniPCMultistepScheduler,
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)
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logger = getLogger(__name__)
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available_pipelines = {
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"controlnet": OnnxStableDiffusionControlNetPipeline,
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"img2img": OnnxStableDiffusionImg2ImgPipeline,
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"img2img-sdxl": ORTStableDiffusionXLImg2ImgPipeline,
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"inpaint": OnnxStableDiffusionInpaintPipeline,
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# "inpaint-sdxl": ORTStableDiffusionXLInpaintPipeline,
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"lpw": OnnxStableDiffusionLongPromptWeightingPipeline,
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"panorama": OnnxStableDiffusionPanoramaPipeline,
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"panorama-sdxl": ORTStableDiffusionXLPanoramaPipeline,
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"pix2pix": OnnxStableDiffusionInstructPix2PixPipeline,
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"txt2img-sdxl": ORTStableDiffusionXLPipeline,
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"txt2img": OnnxStableDiffusionPipeline,
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"upscale": OnnxStableDiffusionUpscalePipeline,
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}
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pipeline_schedulers = {
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"ddim": DDIMScheduler,
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"ddpm": DDPMScheduler,
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"deis-multi": DEISMultistepScheduler,
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"dpm-multi": DPMSolverMultistepScheduler,
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"dpm-single": DPMSolverSinglestepScheduler,
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"euler": EulerDiscreteScheduler,
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"euler-a": EulerAncestralDiscreteScheduler,
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"heun": HeunDiscreteScheduler,
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"ipndm": IPNDMScheduler,
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"k-dpm-2-a": KDPM2AncestralDiscreteScheduler,
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"k-dpm-2": KDPM2DiscreteScheduler,
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"karras-ve": KarrasVeScheduler,
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"lcm": LCMScheduler,
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"lms-discrete": LMSDiscreteScheduler,
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"pndm": PNDMScheduler,
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"unipc-multi": UniPCMultistepScheduler,
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}
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def add_pipeline(name: str, pipeline: Any) -> bool:
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global available_pipelines
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if name in available_pipelines:
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# TODO: decide if this should be allowed or not
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logger.warning("cannot replace existing pipeline: %s", name)
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return False
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else:
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available_pipelines[name] = pipeline
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return True
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def get_available_pipelines() -> List[str]:
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return list(available_pipelines.keys())
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def get_pipeline_schedulers() -> List[str]:
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return list(pipeline_schedulers.keys())
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def get_scheduler_name(scheduler: Any) -> Optional[str]:
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for k, v in pipeline_schedulers.items():
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if scheduler == v or scheduler == v.__name__:
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return k
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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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pipeline: str,
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device: DeviceParams,
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embeddings: Optional[List[Tuple[str, float]]] = None,
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loras: Optional[List[Tuple[str, float]]] = None,
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model: Optional[str] = None,
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):
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embeddings = embeddings or []
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loras = loras or []
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model = model or params.model
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torch_dtype = server.torch_dtype()
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logger.debug("using Torch dtype %s for pipeline", torch_dtype)
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control_key = params.control.name if params.control is not None else None
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pipe_key = (
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pipeline,
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model,
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device.device,
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device.provider,
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control_key,
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embeddings,
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loras,
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)
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scheduler_key = (params.scheduler, model)
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scheduler_type = pipeline_schedulers[params.scheduler]
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cache_pipe = server.cache.get(ModelTypes.diffusion, pipe_key)
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if cache_pipe is not None:
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logger.debug("reusing existing diffusion pipeline")
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pipe = cache_pipe
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# update scheduler
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cache_scheduler = server.cache.get(ModelTypes.scheduler, scheduler_key)
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if cache_scheduler is None:
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logger.debug("loading new diffusion scheduler")
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scheduler = scheduler_type.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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subfolder="scheduler",
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torch_dtype=torch_dtype,
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)
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if device is not None and hasattr(scheduler, "to"):
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scheduler = scheduler.to(device.torch_str())
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pipe.scheduler = scheduler
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server.cache.set(ModelTypes.scheduler, scheduler_key, scheduler)
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run_gc([device])
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else:
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if server.cache.drop("diffusion", pipe_key) > 0:
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logger.debug("unloading previous diffusion pipeline")
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run_gc([device])
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logger.debug("loading new diffusion pipeline from %s", model)
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scheduler = scheduler_type.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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subfolder="scheduler",
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torch_dtype=torch_dtype,
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)
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components = {
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"scheduler": scheduler,
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}
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# shared components
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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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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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# load various pipeline components
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encoder_components = load_text_encoders(
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server, device, model, embeddings, loras, torch_dtype, params
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)
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components.update(encoder_components)
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unet_components = load_unet(server, device, model, loras, unet_type, params)
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components.update(unet_components)
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vae_components = load_vae(server, device, model, params)
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components.update(vae_components)
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pipeline_class = available_pipelines.get(pipeline, OnnxStableDiffusionPipeline)
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if params.is_xl():
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logger.debug("assembling SDXL pipeline for %s", pipeline_class.__name__)
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pipe = pipeline_class(
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components["vae_decoder_session"],
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components["text_encoder_session"],
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components["unet_session"],
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{
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"force_zeros_for_empty_prompt": True,
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"requires_aesthetics_score": False,
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},
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components["tokenizer"],
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scheduler,
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vae_encoder_session=components.get("vae_encoder_session", None),
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text_encoder_2_session=components.get("text_encoder_2_session", None),
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tokenizer_2=components.get("tokenizer_2", None),
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)
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else:
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logger.debug("assembling SD pipeline for %s", pipeline_class.__name__)
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if pipeline_class == OnnxStableDiffusionUpscalePipeline:
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# upscale uses a single VAE
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pipe = pipeline_class(
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components["vae"],
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components["text_encoder"],
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components["tokenizer"],
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components["unet"],
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scheduler,
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scheduler,
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)
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else:
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pipe = pipeline_class(
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components["vae_encoder"],
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components["vae_decoder"],
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components["text_encoder"],
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components["tokenizer"],
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components["unet"],
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scheduler,
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None,
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None,
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requires_safety_checker=False,
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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, scheduler)
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for vae in VAE_COMPONENTS:
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if hasattr(pipe, vae):
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vae_model = getattr(pipe, vae)
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if isinstance(vae_model, VAEWrapper):
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vae_model.set_tiled(tiled=params.tiled_vae)
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vae_model.set_window_size(
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params.vae_tile // LATENT_FACTOR, params.vae_overlap
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)
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# update panorama params
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if params.is_panorama():
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unet_stride = (params.unet_tile * (1 - params.unet_overlap)) // LATENT_FACTOR
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logger.debug(
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"setting panorama window parameters: %s/%s for UNet, %s/%s for VAE",
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params.unet_tile,
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unet_stride,
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params.vae_tile,
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params.vae_overlap,
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)
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pipe.set_window_size(params.unet_tile // LATENT_FACTOR, unet_stride)
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run_gc([device])
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return pipe
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def load_controlnet(server: ServerContext, device: DeviceParams, params: ImageParams):
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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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provider=device.ort_provider(),
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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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def load_text_encoders(
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server: ServerContext,
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device: DeviceParams,
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model: str,
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embeddings: Optional[List[Tuple[str, float]]],
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loras: Optional[List[Tuple[str, float]]],
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torch_dtype,
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params: ImageParams,
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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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"tokenizer": tokenizer,
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}
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if params.is_xl():
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text_encoder_2 = load_model(path.join(model, "text_encoder_2", ONNX_MODEL))
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tokenizer_2 = CLIPTokenizer.from_pretrained(
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model,
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subfolder="tokenizer_2",
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torch_dtype=torch_dtype,
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)
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components["tokenizer_2"] = tokenizer_2
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# blend embeddings, if any
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if embeddings is not None and len(embeddings) > 0:
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embedding_names, embedding_weights = zip(*embeddings)
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embedding_models = [
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path.join(server.model_path, "inversion", name) for name in embedding_names
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]
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logger.debug(
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"blending base model %s with embeddings from %s", model, embedding_models
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)
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# TODO: blend text_encoder_2 as well
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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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tokenizer,
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list(
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zip(
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embedding_models,
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embedding_weights,
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embedding_names,
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[None] * len(embedding_models),
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)
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),
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)
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components["tokenizer"] = tokenizer
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if params.is_xl():
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text_encoder_2, tokenizer_2 = blend_textual_inversions(
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server,
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text_encoder_2,
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tokenizer_2,
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list(
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zip(
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embedding_models,
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embedding_weights,
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embedding_names,
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[None] * len(embedding_models),
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)
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),
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)
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components["tokenizer_2"] = tokenizer_2
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# blend LoRAs, if any
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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 LoRAs from %s", model, lora_models)
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# blend and load text encoder
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text_encoder = blend_loras(
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server,
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text_encoder,
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list(zip(lora_models, lora_weights)),
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"text_encoder",
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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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if params.is_xl():
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text_encoder_2 = blend_loras(
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server,
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text_encoder_2,
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list(zip(lora_models, lora_weights)),
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"text_encoder",
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2,
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params.is_xl(),
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)
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# prepare external data for sessions
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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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list(text_encoder_names), list(text_encoder_values)
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)
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if params.is_xl():
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# encoder 2 only exists in XL
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(text_encoder_2, text_encoder_2_data) = buffer_external_data_tensors(
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text_encoder_2
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)
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text_encoder_2_names, text_encoder_2_values = zip(*text_encoder_2_data)
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text_encoder_2_opts = device.sess_options(cache=False)
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text_encoder_2_opts.add_external_initializers(
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list(text_encoder_2_names), list(text_encoder_2_values)
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)
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# session for te1
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text_encoder_session = InferenceSession(
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text_encoder.SerializeToString(),
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providers=[device.ort_provider("text-encoder")],
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sess_options=text_encoder_opts,
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)
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text_encoder_session._model_path = path.join(model, "text_encoder")
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components["text_encoder_session"] = text_encoder_session
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# session for te2
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text_encoder_2_session = InferenceSession(
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text_encoder_2.SerializeToString(),
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providers=[device.ort_provider("text-encoder")],
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sess_options=text_encoder_2_opts,
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)
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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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else:
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# session for te
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components["text_encoder"] = OnnxRuntimeModel(
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OnnxRuntimeModel.load_model(
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text_encoder.SerializeToString(),
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provider=device.ort_provider("text-encoder"),
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sess_options=text_encoder_opts,
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)
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)
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return components
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def load_unet(
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server: ServerContext,
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device: DeviceParams,
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model: str,
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loras: List[Tuple[str, float]],
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unet_type: Literal["cnet", "unet"],
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params: ImageParams,
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):
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components = {}
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unet = load_model(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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unet = blend_loras(
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server,
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unet,
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list(zip(lora_models, lora_weights)),
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"unet",
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xl=params.is_xl(),
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)
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(unet_model, unet_data) = buffer_external_data_tensors(unet)
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unet_names, unet_values = zip(*unet_data)
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unet_opts = device.sess_options(cache=False)
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unet_opts.add_external_initializers(list(unet_names), list(unet_values))
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if params.is_xl():
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unet_session = InferenceSession(
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unet_model.SerializeToString(),
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providers=[device.ort_provider("unet")],
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sess_options=unet_opts,
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)
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unet_session._model_path = path.join(model, "unet")
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components["unet_session"] = unet_session
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else:
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components["unet"] = OnnxRuntimeModel(
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OnnxRuntimeModel.load_model(
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unet_model.SerializeToString(),
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provider=device.ort_provider("unet"),
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sess_options=unet_opts,
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)
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)
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return components
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def load_vae(
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server: ServerContext, device: DeviceParams, model: str, params: ImageParams
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):
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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)
|
|
vae_encoder = path.join(model, "vae_encoder", ONNX_MODEL)
|
|
|
|
components = {}
|
|
if not params.is_xl() and path.exists(vae):
|
|
logger.debug("loading VAE from %s", vae)
|
|
components["vae"] = OnnxRuntimeModel(
|
|
OnnxRuntimeModel.load_model(
|
|
vae,
|
|
provider=device.ort_provider("vae"),
|
|
sess_options=device.sess_options(),
|
|
)
|
|
)
|
|
elif path.exists(vae_decoder) and path.exists(vae_encoder):
|
|
if params.is_xl():
|
|
logger.debug("loading VAE decoder from %s", vae_decoder)
|
|
components["vae_decoder_session"] = OnnxRuntimeModel.load_model(
|
|
vae_decoder,
|
|
provider=device.ort_provider("vae"),
|
|
sess_options=device.sess_options(),
|
|
)
|
|
components["vae_decoder_session"]._model_path = vae_decoder
|
|
|
|
logger.debug("loading VAE encoder from %s", vae_encoder)
|
|
components["vae_encoder_session"] = OnnxRuntimeModel.load_model(
|
|
vae_encoder,
|
|
provider=device.ort_provider("vae"),
|
|
sess_options=device.sess_options(),
|
|
)
|
|
components["vae_encoder_session"]._model_path = vae_encoder
|
|
|
|
else:
|
|
logger.debug("loading VAE decoder from %s", vae_decoder)
|
|
components["vae_decoder"] = OnnxRuntimeModel(
|
|
OnnxRuntimeModel.load_model(
|
|
vae_decoder,
|
|
provider=device.ort_provider("vae"),
|
|
sess_options=device.sess_options(),
|
|
)
|
|
)
|
|
|
|
logger.debug("loading VAE encoder from %s", vae_encoder)
|
|
components["vae_encoder"] = OnnxRuntimeModel(
|
|
OnnxRuntimeModel.load_model(
|
|
vae_encoder,
|
|
provider=device.ort_provider("vae"),
|
|
sess_options=device.sess_options(),
|
|
)
|
|
)
|
|
|
|
return components
|
|
|
|
|
|
def optimize_pipeline(
|
|
server: ServerContext,
|
|
pipe: StableDiffusionPipeline,
|
|
) -> None:
|
|
if server.has_optimization(
|
|
"diffusers-attention-slicing"
|
|
) or server.has_optimization("diffusers-attention-slicing-auto"):
|
|
logger.debug("enabling auto attention slicing on SD pipeline")
|
|
try:
|
|
pipe.enable_attention_slicing(slice_size="auto")
|
|
except Exception as e:
|
|
logger.warning("error while enabling auto attention slicing: %s", e)
|
|
|
|
if server.has_optimization("diffusers-attention-slicing-max"):
|
|
logger.debug("enabling max attention slicing on SD pipeline")
|
|
try:
|
|
pipe.enable_attention_slicing(slice_size="max")
|
|
except Exception as e:
|
|
logger.warning("error while enabling max attention slicing: %s", e)
|
|
|
|
if server.has_optimization("diffusers-vae-slicing"):
|
|
logger.debug("enabling VAE slicing on SD pipeline")
|
|
try:
|
|
pipe.enable_vae_slicing()
|
|
except Exception as e:
|
|
logger.warning("error while enabling VAE slicing: %s", e)
|
|
|
|
if server.has_optimization("diffusers-cpu-offload-sequential"):
|
|
logger.debug("enabling sequential CPU offload on SD pipeline")
|
|
try:
|
|
pipe.enable_sequential_cpu_offload()
|
|
except Exception as e:
|
|
logger.warning("error while enabling sequential CPU offload: %s", e)
|
|
|
|
elif server.has_optimization("diffusers-cpu-offload-model"):
|
|
# TODO: check for accelerate
|
|
logger.debug("enabling model CPU offload on SD pipeline")
|
|
try:
|
|
pipe.enable_model_cpu_offload()
|
|
except Exception as e:
|
|
logger.warning("error while enabling model CPU offload: %s", e)
|
|
|
|
if server.has_optimization("diffusers-memory-efficient-attention"):
|
|
# TODO: check for xformers
|
|
logger.debug("enabling memory efficient attention for SD pipeline")
|
|
try:
|
|
pipe.enable_xformers_memory_efficient_attention()
|
|
except Exception as e:
|
|
logger.warning("error while enabling memory efficient attention: %s", e)
|
|
|
|
|
|
def patch_pipeline(
|
|
server: ServerContext,
|
|
pipe: StableDiffusionPipeline,
|
|
pipeline: Any,
|
|
params: ImageParams,
|
|
) -> None:
|
|
logger.debug("patching SD pipeline")
|
|
|
|
if not params.is_lpw() and not params.is_xl():
|
|
pipe._encode_prompt = expand_prompt.__get__(pipe, pipeline)
|
|
|
|
original_unet = pipe.unet
|
|
pipe.unet = UNetWrapper(server, original_unet, params.is_xl())
|
|
logger.debug("patched UNet with wrapper")
|
|
|
|
if hasattr(pipe, "vae_decoder"):
|
|
original_decoder = pipe.vae_decoder
|
|
pipe.vae_decoder = VAEWrapper(
|
|
server,
|
|
original_decoder,
|
|
decoder=True,
|
|
window=params.unet_tile,
|
|
overlap=params.vae_overlap,
|
|
)
|
|
logger.debug("patched VAE decoder with wrapper")
|
|
|
|
if hasattr(pipe, "vae_encoder"):
|
|
original_encoder = pipe.vae_encoder
|
|
pipe.vae_encoder = VAEWrapper(
|
|
server,
|
|
original_encoder,
|
|
decoder=False,
|
|
window=params.unet_tile,
|
|
overlap=params.vae_overlap,
|
|
)
|
|
logger.debug("patched VAE encoder with wrapper")
|
|
|
|
if hasattr(pipe, "vae"):
|
|
logger.warning("not patching single VAE, tiled VAE may not work")
|