ComfyUI  >  Nodes  >  ComfyUI HiDiffusion >  HiDiffusion SDXL Turbo

ComfyUI Node: HiDiffusion SDXL Turbo

Class Name

HiDiffusionSDXLTurbo

Category
AI WizArt/HiDiffusion
Author
florestefano1975 (Account age: 191 days)
Extension
ComfyUI HiDiffusion
Latest Updated
5/22/2024
Github Stars
0.1K

How to Install ComfyUI HiDiffusion

Install this extension via the ComfyUI Manager by searching for  ComfyUI HiDiffusion
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI HiDiffusion in the search bar
After installation, click the  Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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HiDiffusion SDXL Turbo Description

Generate high-quality images from text prompts with memory-efficient optimization for large, detailed artwork.

HiDiffusion SDXL Turbo:

HiDiffusionSDXLTurbo is a powerful node designed to generate high-quality images from text prompts using the SDXL-Turbo model. This node leverages advanced techniques to optimize memory usage and computational efficiency, making it suitable for generating large images with high resolution. By utilizing features such as memory-efficient attention, model CPU offloading, and VAE tiling, HiDiffusionSDXLTurbo ensures that the image generation process is both fast and resource-efficient. This node is particularly beneficial for AI artists looking to create detailed and high-resolution artwork with minimal computational overhead.

HiDiffusion SDXL Turbo Input Parameters:

positive_prompt

The positive_prompt parameter is a text string that describes the content you want to generate in the image. This prompt guides the model in creating an image that matches the description provided. The more detailed and specific the prompt, the more accurate the generated image will be. There is no strict limit on the length of the prompt, but more complex prompts may require more computational resources.

guidance_scale

The guidance_scale parameter controls the influence of the text prompt on the generated image. A higher value makes the image more closely follow the prompt, while a lower value allows for more creative freedom. The default value is 7.5, which provides a balanced approach. The minimum value is 1.0, and there is no strict maximum, but extremely high values may lead to less realistic images.

width

The width parameter specifies the width of the generated image in pixels. The default value is 1024 pixels. This parameter allows you to control the horizontal resolution of the image. Higher values will result in more detailed images but will require more computational resources.

height

The height parameter specifies the height of the generated image in pixels. The default value is 1024 pixels. This parameter allows you to control the vertical resolution of the image. Similar to the width, higher values will result in more detailed images but will require more computational resources.

eta

The eta parameter is a noise control parameter that influences the randomness in the image generation process. The default value is 1.0. Lower values will result in more deterministic images, while higher values will introduce more variability and creativity.

inference_steps

The inference_steps parameter determines the number of steps the model takes to generate the image. The default value is 4 steps. More steps can lead to higher quality images but will increase the computation time. The minimum value is 1, and there is no strict maximum, but very high values may not significantly improve the image quality.

seed

The seed parameter is used to initialize the random number generator for reproducibility. If set to False, a random seed will be used, resulting in different images each time. If a specific integer value is provided, the same image will be generated for the same prompt and settings, allowing for consistent results.

HiDiffusion SDXL Turbo Output Parameters:

output_t

The output_t parameter is a tensor representation of the generated image. This tensor can be further processed or converted to other formats as needed. The output tensor contains the pixel data of the generated image, which can be used for display, storage, or further manipulation in other nodes or applications.

HiDiffusion SDXL Turbo Usage Tips:

  • Use detailed and specific prompts to guide the model in generating accurate and relevant images.
  • Adjust the guidance_scale to balance between following the prompt closely and allowing for creative freedom.
  • Increase the width and height parameters for higher resolution images, but be mindful of the increased computational resources required.
  • Experiment with the eta parameter to control the level of randomness and creativity in the generated images.
  • Use a fixed seed value for reproducible results, especially when fine-tuning prompts and settings.

HiDiffusion SDXL Turbo Common Errors and Solutions:

Error model. HiDiffusion now only supports sd15, sd21, sdxl, sdxl-turbo.

  • Explanation: This error occurs when an unsupported model type is specified.
  • Solution: Ensure that the model type is one of the supported types: sd15, sd21, sdxl, or sdxl-turbo.

CUDA out of memory

  • Explanation: This error occurs when the GPU runs out of memory during the image generation process.
  • Solution: Reduce the width and height parameters, or decrease the inference_steps to lower the memory usage. Alternatively, try using a GPU with more memory.

Invalid prompt format

  • Explanation: This error occurs when the positive_prompt parameter is not provided or is in an incorrect format.
  • Solution: Ensure that the positive_prompt is a valid text string describing the desired content of the image.

Inference steps too low

  • Explanation: This error occurs when the inference_steps parameter is set too low, resulting in poor image quality.
  • Solution: Increase the inference_steps parameter to improve the quality of the generated image. A value of at least 4 is recommended for balanced quality and performance.

HiDiffusion SDXL Turbo Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI HiDiffusion
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