Save 4 hours! We auto-setup your workflow! Free!

Drop your workflow.json — we handle every dependency, custom node, and model. Just open the link and run.

Auto-Setup Workflow Json (Free) Now!
ComfyUI > Nodes > Spark-H3 > MiniMax H3 Spark Attention (SM89)

ComfyUI Node: MiniMax H3 Spark Attention (SM89)

Class Name

MiniMaxH3SparkAttentionSM89

Category
model_patches/attention
Author
zechengtang (Account age: 2247days)
Extension
Spark-H3
Latest Updated
2026-10-14
Github Stars
0.08K

How to Install Spark-H3

Install this extension via the ComfyUI Manager by searching for Spark-H3
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter Spark-H3 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.

Visit ComfyUI Online for ready-to-use ComfyUI environment

  • Free trial available
  • 16GB VRAM to 80GB VRAM GPU machines
  • 400+ preloaded models/nodes
  • Freedom to upload custom models/nodes
  • 200+ ready-to-run workflows
  • 100% private workspace with up to 200GB storage
  • Dedicated Support

Run ComfyUI Online

MiniMax H3 Spark Attention (SM89) Description

Enhances attention mechanisms in AI models with optimized sparse attention computation for improved efficiency and performance.

MiniMax H3 Spark Attention (SM89):

The MiniMaxH3SparkAttentionSM89 node is designed to enhance the efficiency and effectiveness of attention mechanisms within AI models, particularly in the context of sparse attention. This node leverages the MiniMax-H3-Sparse framework to optimize the computation of attention scores, which are crucial for determining the relevance of different parts of the input data. By focusing on sparse attention, the node reduces computational overhead and memory usage, making it ideal for handling large datasets or complex models. The primary goal of this node is to provide a streamlined and efficient method for calculating attention, which can significantly improve the performance of AI models in tasks such as natural language processing, image recognition, and more. Its integration into the Spark-H3 framework ensures compatibility with existing systems and facilitates easy adoption for users looking to enhance their AI models with advanced attention mechanisms.

MiniMax H3 Spark Attention (SM89) Input Parameters:

X

This parameter represents the input data matrix for which the attention scores are to be calculated. It is crucial as it forms the basis of the attention mechanism, where each element's relevance is assessed. The input data should be formatted appropriately to ensure accurate attention score computation.

CENTERS

The CENTERS parameter is used to define the central points or reference vectors in the attention mechanism. These centers are compared against the input data to compute attention scores, and they play a vital role in determining which parts of the input data are most relevant.

ACTIVE

This parameter indicates the active states or weights in the attention mechanism. It helps in dynamically adjusting the attention scores based on the current state of the model, allowing for more flexible and adaptive attention computation.

OUT

The OUT parameter is where the computed attention scores are stored. It is essential for capturing the results of the attention mechanism, which can then be used for further processing or analysis within the AI model.

INDICES

INDICES are used to specify the indices of the input data that are to be considered in the attention computation. This parameter allows for selective attention, focusing only on specific parts of the input data, which can enhance efficiency and relevance.

N

This parameter represents the number of elements in the input data matrix. It is a constant expression that helps define the dimensions of the data being processed, ensuring that the attention mechanism operates over the correct range of data.

K

K is a constant expression that defines the number of centers or reference vectors used in the attention mechanism. It determines the granularity of the attention computation, with more centers allowing for finer attention distinctions.

F

The F parameter is a constant expression that specifies the number of features or dimensions in the input data. It is crucial for ensuring that the attention mechanism correctly processes the multi-dimensional data, capturing all relevant aspects.

BM

BM is a constant expression that defines the block size for processing the input data. It helps in managing the computational load by breaking down the data into manageable chunks, facilitating efficient attention computation.

INDIRECT

This parameter is a constant expression that indicates whether indirect addressing is used in the attention computation. It allows for more flexible data access patterns, which can enhance the efficiency and adaptability of the attention mechanism.

MiniMax H3 Spark Attention (SM89) Output Parameters:

OUT

The OUT parameter contains the computed attention scores, which are the primary output of the node. These scores indicate the relevance of different parts of the input data, providing valuable insights for further processing or decision-making within the AI model.

MiniMax H3 Spark Attention (SM89) Usage Tips:

  • Ensure that the input data matrix (X) is properly formatted and pre-processed to achieve accurate attention score computation.
  • Adjust the number of centers (K) and features (F) based on the complexity and requirements of your specific task to optimize performance.
  • Utilize the ACTIVE parameter to dynamically adjust attention scores, allowing for more adaptive and context-aware attention mechanisms.

MiniMax H3 Spark Attention (SM89) Common Errors and Solutions:

"Invalid input data format"

  • Explanation: This error occurs when the input data matrix (X) is not formatted correctly, leading to issues in attention score computation.
  • Solution: Verify that the input data is structured according to the expected format and dimensions, and ensure that all necessary pre-processing steps have been completed.

"Dimension mismatch"

  • Explanation: This error arises when there is a mismatch between the dimensions of the input data and the specified parameters (e.g., N, K, F).
  • Solution: Check that all dimension-related parameters are correctly set and consistent with the input data's dimensions to avoid computation errors.

MiniMax H3 Spark Attention (SM89) Related Nodes

Go back to the extension to check out more related nodes.
Spark-H3
RunComfy
Copyright 2025 RunComfy. All Rights Reserved.

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.

MiniMax H3 Spark Attention (SM89)