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https://github.com/invoke-ai/InvokeAI
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Remove sdxl t2l/l2l nodes
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parent
1db2c93f75
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@ -1,17 +1,10 @@
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import torch
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import inspect
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from tqdm import tqdm
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from typing import List, Literal, Optional, Union
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from typing import Literal
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from pydantic import Field
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from pydantic import Field, validator
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from ...backend.model_management import ModelType, SubModelType, ModelPatcher
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from invokeai.app.util.step_callback import stable_diffusion_xl_step_callback
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from ...backend.model_management import ModelType, SubModelType
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from .baseinvocation import BaseInvocation, BaseInvocationOutput, InvocationConfig, InvocationContext
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from .model import UNetField, ClipField, VaeField, MainModelField, ModelInfo
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from .compel import ConditioningField
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from .latent import LatentsField, SAMPLER_NAME_VALUES, LatentsOutput, get_scheduler, build_latents_output
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class SDXLModelLoaderOutput(BaseInvocationOutput):
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@ -201,526 +194,3 @@ class SDXLRefinerModelLoaderInvocation(BaseInvocation):
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),
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),
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)
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# Text to image
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class SDXLTextToLatentsInvocation(BaseInvocation):
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"""Generates latents from conditionings."""
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type: Literal["t2l_sdxl"] = "t2l_sdxl"
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# Inputs
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# fmt: off
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positive_conditioning: Optional[ConditioningField] = Field(description="Positive conditioning for generation")
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negative_conditioning: Optional[ConditioningField] = Field(description="Negative conditioning for generation")
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noise: Optional[LatentsField] = Field(description="The noise to use")
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steps: int = Field(default=10, gt=0, description="The number of steps to use to generate the image")
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cfg_scale: Union[float, List[float]] = Field(default=7.5, ge=1, description="The Classifier-Free Guidance, higher values may result in a result closer to the prompt", )
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scheduler: SAMPLER_NAME_VALUES = Field(default="euler", description="The scheduler to use" )
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unet: UNetField = Field(default=None, description="UNet submodel")
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denoising_end: float = Field(default=1.0, gt=0, le=1, description="")
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# control: Union[ControlField, list[ControlField]] = Field(default=None, description="The control to use")
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# seamless: bool = Field(default=False, description="Whether or not to generate an image that can tile without seams", )
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# seamless_axes: str = Field(default="", description="The axes to tile the image on, 'x' and/or 'y'")
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# fmt: on
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@validator("cfg_scale")
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def ge_one(cls, v):
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"""validate that all cfg_scale values are >= 1"""
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if isinstance(v, list):
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for i in v:
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if i < 1:
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raise ValueError("cfg_scale must be greater than 1")
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else:
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if v < 1:
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raise ValueError("cfg_scale must be greater than 1")
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return v
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# Schema customisation
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class Config(InvocationConfig):
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schema_extra = {
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"ui": {
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"title": "SDXL Text To Latents",
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"tags": ["latents"],
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"type_hints": {
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"model": "model",
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# "cfg_scale": "float",
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"cfg_scale": "number",
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},
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},
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}
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def dispatch_progress(
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self,
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context: InvocationContext,
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source_node_id: str,
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sample,
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step,
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total_steps,
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) -> None:
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stable_diffusion_xl_step_callback(
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context=context,
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node=self.dict(),
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source_node_id=source_node_id,
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sample=sample,
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step=step,
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total_steps=total_steps,
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)
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# based on
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# https://github.com/huggingface/diffusers/blob/3ebbaf7c96801271f9e6c21400033b6aa5ffcf29/src/diffusers/pipelines/stable_diffusion/pipeline_onnx_stable_diffusion.py#L375
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@torch.no_grad()
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def invoke(self, context: InvocationContext) -> LatentsOutput:
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graph_execution_state = context.services.graph_execution_manager.get(context.graph_execution_state_id)
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source_node_id = graph_execution_state.prepared_source_mapping[self.id]
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latents = context.services.latents.get(self.noise.latents_name)
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positive_cond_data = context.services.latents.get(self.positive_conditioning.conditioning_name)
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prompt_embeds = positive_cond_data.conditionings[0].embeds
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pooled_prompt_embeds = positive_cond_data.conditionings[0].pooled_embeds
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add_time_ids = positive_cond_data.conditionings[0].add_time_ids
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negative_cond_data = context.services.latents.get(self.negative_conditioning.conditioning_name)
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negative_prompt_embeds = negative_cond_data.conditionings[0].embeds
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negative_pooled_prompt_embeds = negative_cond_data.conditionings[0].pooled_embeds
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add_neg_time_ids = negative_cond_data.conditionings[0].add_time_ids
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scheduler = get_scheduler(
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context=context,
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scheduler_info=self.unet.scheduler,
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scheduler_name=self.scheduler,
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)
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num_inference_steps = self.steps
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def _lora_loader():
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for lora in self.unet.loras:
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lora_info = context.services.model_manager.get_model(
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**lora.dict(exclude={"weight"}),
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context=context,
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)
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yield (lora_info.context.model, lora.weight)
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del lora_info
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return
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unet_info = context.services.model_manager.get_model(**self.unet.unet.dict(), context=context)
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do_classifier_free_guidance = True
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cross_attention_kwargs = None
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with ModelPatcher.apply_lora_unet(unet_info.context.model, _lora_loader()), unet_info as unet:
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scheduler.set_timesteps(num_inference_steps, device=unet.device)
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timesteps = scheduler.timesteps
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latents = latents.to(device=unet.device, dtype=unet.dtype) * scheduler.init_noise_sigma
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extra_step_kwargs = dict()
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if "eta" in set(inspect.signature(scheduler.step).parameters.keys()):
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extra_step_kwargs.update(
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eta=0.0,
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)
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if "generator" in set(inspect.signature(scheduler.step).parameters.keys()):
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extra_step_kwargs.update(
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generator=torch.Generator(device=unet.device).manual_seed(0),
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)
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num_warmup_steps = len(timesteps) - self.steps * scheduler.order
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# apply denoising_end
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skipped_final_steps = int(round((1 - self.denoising_end) * self.steps))
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num_inference_steps = num_inference_steps - skipped_final_steps
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timesteps = timesteps[: num_warmup_steps + scheduler.order * num_inference_steps]
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if not context.services.configuration.sequential_guidance:
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prompt_embeds = torch.cat([negative_prompt_embeds, prompt_embeds], dim=0)
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add_text_embeds = torch.cat([negative_pooled_prompt_embeds, pooled_prompt_embeds], dim=0)
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add_time_ids = torch.cat([add_neg_time_ids, add_time_ids], dim=0)
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prompt_embeds = prompt_embeds.to(device=unet.device, dtype=unet.dtype)
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add_text_embeds = add_text_embeds.to(device=unet.device, dtype=unet.dtype)
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add_time_ids = add_time_ids.to(device=unet.device, dtype=unet.dtype)
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latents = latents.to(device=unet.device, dtype=unet.dtype)
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with tqdm(total=num_inference_steps) as progress_bar:
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for i, t in enumerate(timesteps):
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# expand the latents if we are doing classifier free guidance
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latent_model_input = torch.cat([latents] * 2) if do_classifier_free_guidance else latents
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latent_model_input = scheduler.scale_model_input(latent_model_input, t)
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# predict the noise residual
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added_cond_kwargs = {"text_embeds": add_text_embeds, "time_ids": add_time_ids}
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noise_pred = unet(
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latent_model_input,
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t,
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encoder_hidden_states=prompt_embeds,
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cross_attention_kwargs=cross_attention_kwargs,
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added_cond_kwargs=added_cond_kwargs,
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return_dict=False,
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)[0]
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# perform guidance
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if do_classifier_free_guidance:
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noise_pred_uncond, noise_pred_text = noise_pred.chunk(2)
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noise_pred = noise_pred_uncond + self.cfg_scale * (noise_pred_text - noise_pred_uncond)
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# del noise_pred_uncond
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# del noise_pred_text
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# if do_classifier_free_guidance and guidance_rescale > 0.0:
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# # Based on 3.4. in https://arxiv.org/pdf/2305.08891.pdf
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# noise_pred = rescale_noise_cfg(noise_pred, noise_pred_text, guidance_rescale=guidance_rescale)
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# compute the previous noisy sample x_t -> x_t-1
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latents = scheduler.step(noise_pred, t, latents, **extra_step_kwargs, return_dict=False)[0]
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# call the callback, if provided
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if i == len(timesteps) - 1 or ((i + 1) > num_warmup_steps and (i + 1) % scheduler.order == 0):
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progress_bar.update()
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self.dispatch_progress(context, source_node_id, latents, i, num_inference_steps)
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# if callback is not None and i % callback_steps == 0:
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# callback(i, t, latents)
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else:
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negative_pooled_prompt_embeds = negative_pooled_prompt_embeds.to(device=unet.device, dtype=unet.dtype)
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negative_prompt_embeds = negative_prompt_embeds.to(device=unet.device, dtype=unet.dtype)
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add_neg_time_ids = add_neg_time_ids.to(device=unet.device, dtype=unet.dtype)
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pooled_prompt_embeds = pooled_prompt_embeds.to(device=unet.device, dtype=unet.dtype)
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prompt_embeds = prompt_embeds.to(device=unet.device, dtype=unet.dtype)
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add_time_ids = add_time_ids.to(device=unet.device, dtype=unet.dtype)
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latents = latents.to(device=unet.device, dtype=unet.dtype)
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with tqdm(total=num_inference_steps) as progress_bar:
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for i, t in enumerate(timesteps):
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# expand the latents if we are doing classifier free guidance
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# latent_model_input = torch.cat([latents] * 2) if do_classifier_free_guidance else latents
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latent_model_input = scheduler.scale_model_input(latents, t)
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# import gc
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# gc.collect()
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# torch.cuda.empty_cache()
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# predict the noise residual
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added_cond_kwargs = {"text_embeds": negative_pooled_prompt_embeds, "time_ids": add_neg_time_ids}
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noise_pred_uncond = unet(
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latent_model_input,
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t,
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encoder_hidden_states=negative_prompt_embeds,
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cross_attention_kwargs=cross_attention_kwargs,
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added_cond_kwargs=added_cond_kwargs,
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return_dict=False,
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)[0]
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added_cond_kwargs = {"text_embeds": pooled_prompt_embeds, "time_ids": add_time_ids}
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noise_pred_text = unet(
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latent_model_input,
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t,
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encoder_hidden_states=prompt_embeds,
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cross_attention_kwargs=cross_attention_kwargs,
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added_cond_kwargs=added_cond_kwargs,
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return_dict=False,
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)[0]
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# perform guidance
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noise_pred = noise_pred_uncond + self.cfg_scale * (noise_pred_text - noise_pred_uncond)
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# del noise_pred_text
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# del noise_pred_uncond
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# import gc
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# gc.collect()
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# torch.cuda.empty_cache()
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# if do_classifier_free_guidance and guidance_rescale > 0.0:
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# # Based on 3.4. in https://arxiv.org/pdf/2305.08891.pdf
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# noise_pred = rescale_noise_cfg(noise_pred, noise_pred_text, guidance_rescale=guidance_rescale)
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# compute the previous noisy sample x_t -> x_t-1
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latents = scheduler.step(noise_pred, t, latents, **extra_step_kwargs, return_dict=False)[0]
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# del noise_pred
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# import gc
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# gc.collect()
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# torch.cuda.empty_cache()
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# call the callback, if provided
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if i == len(timesteps) - 1 or ((i + 1) > num_warmup_steps and (i + 1) % scheduler.order == 0):
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progress_bar.update()
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self.dispatch_progress(context, source_node_id, latents, i, num_inference_steps)
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# if callback is not None and i % callback_steps == 0:
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# callback(i, t, latents)
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#################
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latents = latents.to("cpu")
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torch.cuda.empty_cache()
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name = f"{context.graph_execution_state_id}__{self.id}"
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context.services.latents.save(name, latents)
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return build_latents_output(latents_name=name, latents=latents)
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class SDXLLatentsToLatentsInvocation(BaseInvocation):
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"""Generates latents from conditionings."""
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type: Literal["l2l_sdxl"] = "l2l_sdxl"
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# Inputs
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# fmt: off
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positive_conditioning: Optional[ConditioningField] = Field(description="Positive conditioning for generation")
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negative_conditioning: Optional[ConditioningField] = Field(description="Negative conditioning for generation")
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noise: Optional[LatentsField] = Field(description="The noise to use")
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steps: int = Field(default=10, gt=0, description="The number of steps to use to generate the image")
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cfg_scale: Union[float, List[float]] = Field(default=7.5, ge=1, description="The Classifier-Free Guidance, higher values may result in a result closer to the prompt", )
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scheduler: SAMPLER_NAME_VALUES = Field(default="euler", description="The scheduler to use" )
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unet: UNetField = Field(default=None, description="UNet submodel")
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latents: Optional[LatentsField] = Field(description="Initial latents")
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denoising_start: float = Field(default=0.0, ge=0, le=1, description="")
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denoising_end: float = Field(default=1.0, ge=0, le=1, description="")
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# control: Union[ControlField, list[ControlField]] = Field(default=None, description="The control to use")
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# seamless: bool = Field(default=False, description="Whether or not to generate an image that can tile without seams", )
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# seamless_axes: str = Field(default="", description="The axes to tile the image on, 'x' and/or 'y'")
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# fmt: on
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@validator("cfg_scale")
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def ge_one(cls, v):
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"""validate that all cfg_scale values are >= 1"""
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if isinstance(v, list):
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for i in v:
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if i < 1:
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raise ValueError("cfg_scale must be greater than 1")
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else:
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if v < 1:
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raise ValueError("cfg_scale must be greater than 1")
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return v
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# Schema customisation
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class Config(InvocationConfig):
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schema_extra = {
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"ui": {
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"title": "SDXL Latents to Latents",
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"tags": ["latents"],
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"type_hints": {
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"model": "model",
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# "cfg_scale": "float",
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"cfg_scale": "number",
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},
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},
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}
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def dispatch_progress(
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self,
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context: InvocationContext,
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source_node_id: str,
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sample,
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step,
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total_steps,
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) -> None:
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stable_diffusion_xl_step_callback(
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context=context,
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node=self.dict(),
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source_node_id=source_node_id,
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sample=sample,
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step=step,
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total_steps=total_steps,
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)
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# based on
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# https://github.com/huggingface/diffusers/blob/3ebbaf7c96801271f9e6c21400033b6aa5ffcf29/src/diffusers/pipelines/stable_diffusion/pipeline_onnx_stable_diffusion.py#L375
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@torch.no_grad()
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def invoke(self, context: InvocationContext) -> LatentsOutput:
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graph_execution_state = context.services.graph_execution_manager.get(context.graph_execution_state_id)
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source_node_id = graph_execution_state.prepared_source_mapping[self.id]
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latents = context.services.latents.get(self.latents.latents_name)
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positive_cond_data = context.services.latents.get(self.positive_conditioning.conditioning_name)
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prompt_embeds = positive_cond_data.conditionings[0].embeds
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pooled_prompt_embeds = positive_cond_data.conditionings[0].pooled_embeds
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add_time_ids = positive_cond_data.conditionings[0].add_time_ids
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negative_cond_data = context.services.latents.get(self.negative_conditioning.conditioning_name)
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negative_prompt_embeds = negative_cond_data.conditionings[0].embeds
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negative_pooled_prompt_embeds = negative_cond_data.conditionings[0].pooled_embeds
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add_neg_time_ids = negative_cond_data.conditionings[0].add_time_ids
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scheduler = get_scheduler(
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context=context,
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scheduler_info=self.unet.scheduler,
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scheduler_name=self.scheduler,
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)
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unet_info = context.services.model_manager.get_model(
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**self.unet.unet.dict(),
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context=context,
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)
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def _lora_loader():
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for lora in self.unet.loras:
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lora_info = context.services.model_manager.get_model(
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**lora.dict(exclude={"weight"}),
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context=context,
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)
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yield (lora_info.context.model, lora.weight)
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del lora_info
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return
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do_classifier_free_guidance = True
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cross_attention_kwargs = None
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with ModelPatcher.apply_lora_unet(unet_info.context.model, _lora_loader()), unet_info as unet:
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# apply denoising_start
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num_inference_steps = self.steps
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scheduler.set_timesteps(num_inference_steps, device=unet.device)
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t_start = int(round(self.denoising_start * num_inference_steps))
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timesteps = scheduler.timesteps[t_start * scheduler.order :]
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num_inference_steps = num_inference_steps - t_start
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# apply noise(if provided)
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if self.noise is not None and timesteps.shape[0] > 0:
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noise = context.services.latents.get(self.noise.latents_name)
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latents = scheduler.add_noise(latents, noise, timesteps[:1])
|
||||
del noise
|
||||
|
||||
# apply scheduler extra args
|
||||
extra_step_kwargs = dict()
|
||||
if "eta" in set(inspect.signature(scheduler.step).parameters.keys()):
|
||||
extra_step_kwargs.update(
|
||||
eta=0.0,
|
||||
)
|
||||
if "generator" in set(inspect.signature(scheduler.step).parameters.keys()):
|
||||
extra_step_kwargs.update(
|
||||
generator=torch.Generator(device=unet.device).manual_seed(0),
|
||||
)
|
||||
|
||||
num_warmup_steps = max(len(timesteps) - num_inference_steps * scheduler.order, 0)
|
||||
|
||||
# apply denoising_end
|
||||
skipped_final_steps = int(round((1 - self.denoising_end) * self.steps))
|
||||
num_inference_steps = num_inference_steps - skipped_final_steps
|
||||
timesteps = timesteps[: num_warmup_steps + scheduler.order * num_inference_steps]
|
||||
|
||||
if not context.services.configuration.sequential_guidance:
|
||||
prompt_embeds = torch.cat([negative_prompt_embeds, prompt_embeds], dim=0)
|
||||
add_text_embeds = torch.cat([negative_pooled_prompt_embeds, pooled_prompt_embeds], dim=0)
|
||||
add_time_ids = torch.cat([add_neg_time_ids, add_time_ids], dim=0)
|
||||
|
||||
prompt_embeds = prompt_embeds.to(device=unet.device, dtype=unet.dtype)
|
||||
add_text_embeds = add_text_embeds.to(device=unet.device, dtype=unet.dtype)
|
||||
add_time_ids = add_time_ids.to(device=unet.device, dtype=unet.dtype)
|
||||
latents = latents.to(device=unet.device, dtype=unet.dtype)
|
||||
|
||||
with tqdm(total=num_inference_steps) as progress_bar:
|
||||
for i, t in enumerate(timesteps):
|
||||
# expand the latents if we are doing classifier free guidance
|
||||
latent_model_input = torch.cat([latents] * 2) if do_classifier_free_guidance else latents
|
||||
|
||||
latent_model_input = scheduler.scale_model_input(latent_model_input, t)
|
||||
|
||||
# predict the noise residual
|
||||
added_cond_kwargs = {"text_embeds": add_text_embeds, "time_ids": add_time_ids}
|
||||
noise_pred = unet(
|
||||
latent_model_input,
|
||||
t,
|
||||
encoder_hidden_states=prompt_embeds,
|
||||
cross_attention_kwargs=cross_attention_kwargs,
|
||||
added_cond_kwargs=added_cond_kwargs,
|
||||
return_dict=False,
|
||||
)[0]
|
||||
|
||||
# perform guidance
|
||||
if do_classifier_free_guidance:
|
||||
noise_pred_uncond, noise_pred_text = noise_pred.chunk(2)
|
||||
noise_pred = noise_pred_uncond + self.cfg_scale * (noise_pred_text - noise_pred_uncond)
|
||||
# del noise_pred_uncond
|
||||
# del noise_pred_text
|
||||
|
||||
# if do_classifier_free_guidance and guidance_rescale > 0.0:
|
||||
# # Based on 3.4. in https://arxiv.org/pdf/2305.08891.pdf
|
||||
# noise_pred = rescale_noise_cfg(noise_pred, noise_pred_text, guidance_rescale=guidance_rescale)
|
||||
|
||||
# compute the previous noisy sample x_t -> x_t-1
|
||||
latents = scheduler.step(noise_pred, t, latents, **extra_step_kwargs, return_dict=False)[0]
|
||||
|
||||
# call the callback, if provided
|
||||
if i == len(timesteps) - 1 or ((i + 1) > num_warmup_steps and (i + 1) % scheduler.order == 0):
|
||||
progress_bar.update()
|
||||
self.dispatch_progress(context, source_node_id, latents, i, num_inference_steps)
|
||||
# if callback is not None and i % callback_steps == 0:
|
||||
# callback(i, t, latents)
|
||||
else:
|
||||
negative_pooled_prompt_embeds = negative_pooled_prompt_embeds.to(device=unet.device, dtype=unet.dtype)
|
||||
negative_prompt_embeds = negative_prompt_embeds.to(device=unet.device, dtype=unet.dtype)
|
||||
add_neg_time_ids = add_neg_time_ids.to(device=unet.device, dtype=unet.dtype)
|
||||
pooled_prompt_embeds = pooled_prompt_embeds.to(device=unet.device, dtype=unet.dtype)
|
||||
prompt_embeds = prompt_embeds.to(device=unet.device, dtype=unet.dtype)
|
||||
add_time_ids = add_time_ids.to(device=unet.device, dtype=unet.dtype)
|
||||
latents = latents.to(device=unet.device, dtype=unet.dtype)
|
||||
|
||||
with tqdm(total=num_inference_steps) as progress_bar:
|
||||
for i, t in enumerate(timesteps):
|
||||
# expand the latents if we are doing classifier free guidance
|
||||
# latent_model_input = torch.cat([latents] * 2) if do_classifier_free_guidance else latents
|
||||
|
||||
latent_model_input = scheduler.scale_model_input(latents, t)
|
||||
|
||||
# import gc
|
||||
# gc.collect()
|
||||
# torch.cuda.empty_cache()
|
||||
|
||||
# predict the noise residual
|
||||
|
||||
added_cond_kwargs = {"text_embeds": negative_pooled_prompt_embeds, "time_ids": add_time_ids}
|
||||
noise_pred_uncond = unet(
|
||||
latent_model_input,
|
||||
t,
|
||||
encoder_hidden_states=negative_prompt_embeds,
|
||||
cross_attention_kwargs=cross_attention_kwargs,
|
||||
added_cond_kwargs=added_cond_kwargs,
|
||||
return_dict=False,
|
||||
)[0]
|
||||
|
||||
added_cond_kwargs = {"text_embeds": pooled_prompt_embeds, "time_ids": add_time_ids}
|
||||
noise_pred_text = unet(
|
||||
latent_model_input,
|
||||
t,
|
||||
encoder_hidden_states=prompt_embeds,
|
||||
cross_attention_kwargs=cross_attention_kwargs,
|
||||
added_cond_kwargs=added_cond_kwargs,
|
||||
return_dict=False,
|
||||
)[0]
|
||||
|
||||
# perform guidance
|
||||
noise_pred = noise_pred_uncond + self.cfg_scale * (noise_pred_text - noise_pred_uncond)
|
||||
|
||||
# del noise_pred_text
|
||||
# del noise_pred_uncond
|
||||
# import gc
|
||||
# gc.collect()
|
||||
# torch.cuda.empty_cache()
|
||||
|
||||
# if do_classifier_free_guidance and guidance_rescale > 0.0:
|
||||
# # Based on 3.4. in https://arxiv.org/pdf/2305.08891.pdf
|
||||
# noise_pred = rescale_noise_cfg(noise_pred, noise_pred_text, guidance_rescale=guidance_rescale)
|
||||
|
||||
# compute the previous noisy sample x_t -> x_t-1
|
||||
latents = scheduler.step(noise_pred, t, latents, **extra_step_kwargs, return_dict=False)[0]
|
||||
|
||||
# del noise_pred
|
||||
# import gc
|
||||
# gc.collect()
|
||||
# torch.cuda.empty_cache()
|
||||
|
||||
# call the callback, if provided
|
||||
if i == len(timesteps) - 1 or ((i + 1) > num_warmup_steps and (i + 1) % scheduler.order == 0):
|
||||
progress_bar.update()
|
||||
self.dispatch_progress(context, source_node_id, latents, i, num_inference_steps)
|
||||
# if callback is not None and i % callback_steps == 0:
|
||||
# callback(i, t, latents)
|
||||
|
||||
#################
|
||||
|
||||
latents = latents.to("cpu")
|
||||
torch.cuda.empty_cache()
|
||||
|
||||
name = f"{context.graph_execution_state_id}__{self.id}"
|
||||
context.services.latents.save(name, latents)
|
||||
return build_latents_output(latents_name=name, latents=latents)
|
||||
|
Loading…
Reference in New Issue
Block a user