ComfyUI > Nodes > ComfyUI-Apt_Preset > sum_Ksampler

ComfyUI Node: sum_Ksampler

Class Name

sum_Ksampler

Category
Apt_Preset/chx_ksample
Author
cardenluo (Account age: 1062days)
Extension
ComfyUI-Apt_Preset
Latest Updated
2026-04-04
Github Stars
0.28K

How to Install ComfyUI-Apt_Preset

Install this extension via the ComfyUI Manager by searching for ComfyUI-Apt_Preset
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI-Apt_Preset 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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sum_Ksampler Description

Facilitates AI art generation by refining images through advanced latent space sampling.

sum_Ksampler:

The sum_Ksampler node is designed to facilitate the process of sampling in AI art generation, particularly in the context of latent space manipulation. It leverages advanced sampling techniques to refine and enhance the quality of generated images by iteratively denoising and adjusting latent variables. This node is crucial for achieving high-quality outputs as it integrates various sampling strategies and schedulers to optimize the generation process. By managing noise levels and applying detailed schedules, sum_Ksampler ensures that the generated images are both aesthetically pleasing and technically sound. Its primary goal is to provide a robust framework for artists to explore and manipulate latent spaces effectively, thereby enhancing the creative possibilities in AI art.

sum_Ksampler Input Parameters:

context

The context parameter represents the runtime environment or session in which the node operates. It is essential for maintaining state and passing information between different nodes in a workflow. This parameter ensures that the node has access to necessary resources and configurations required for execution.

seed

The seed parameter is an integer value used to initialize the random number generator. It plays a critical role in ensuring reproducibility of results, as the same seed will produce the same output across different runs. The default value is 0, with a minimum of 0 and a maximum of 0xffffffffffffffff.

denoise

The denoise parameter is a float that controls the level of noise reduction applied during the sampling process. It ranges from 0.0 to 1.0, with a default value of 1.0. A higher value results in more aggressive denoising, which can lead to smoother images, while a lower value retains more of the original noise, potentially preserving finer details.

sum_Ksampler Output Parameters:

context

The context output parameter provides the updated runtime environment after the node's execution. It includes any changes or additions made during the sampling process, such as modified latent variables or generated images, ensuring continuity in the workflow.

images

The images output parameter contains the final generated images after the sampling and denoising process. These images are the primary output of the node, representing the visual results of the latent space manipulation and sampling strategies applied.

sum_Ksampler Usage Tips:

  • Experiment with different seed values to explore a variety of outputs and find the most aesthetically pleasing results.
  • Adjust the denoise parameter to balance between smoothness and detail in the generated images, depending on your artistic goals.

sum_Ksampler Common Errors and Solutions:

Failed to get valid latent from common_ksampler

  • Explanation: This error occurs when the node is unable to retrieve a valid latent variable from the sampling process, possibly due to incorrect input parameters or an issue in the sampling method.
  • Solution: Ensure that all input parameters are correctly set and that the model and sampler configurations are compatible. Double-check the input data for any inconsistencies.

Mask shape mismatch

  • Explanation: This error arises when the mask applied to the latent variables does not match the expected dimensions, leading to processing issues.
  • Solution: Verify that the mask dimensions align with the latent variable dimensions. Adjust the mask size or reshape it as necessary to ensure compatibility.

sum_Ksampler Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI-Apt_Preset
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RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.