ComfyUI > Nodes > ComfyUI-Doctor > Smart Debug Node

ComfyUI Node: Smart Debug Node

Class Name

DebugPrintNode

Category
ComfyUI-Doctor
Author
rookiestar28 (Account age: 774days)
Extension
ComfyUI-Doctor
Latest Updated
2026-01-06
Github Stars
0.04K

How to Install ComfyUI-Doctor

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

DebugPrintNode provides console-logged insights into AI pipeline data for debugging and optimization.

Smart Debug Node:

The DebugPrintNode is a versatile tool designed to provide detailed insights into the data flowing through your AI art pipeline. Its primary function is to print comprehensive information about the input data to the console, which is captured by the logger. This node acts as a pass-through, meaning it does not alter the data but allows for deep inspection, making it invaluable for debugging and understanding complex data structures. By using this node, you can gain a clearer understanding of the data's composition and any potential issues, such as the presence of NaN values or unexpected structures, which can be crucial for troubleshooting and optimizing your AI models.

Smart Debug Node Input Parameters:

data

The data parameter is a universal input that accepts any type of data. This flexibility allows you to inspect a wide range of data structures, from simple numbers and strings to complex objects like tensors and models. The node will print detailed information about the data, helping you understand its structure and content. There are no specific minimum or maximum values for this parameter, as it is designed to handle any data type.

prefix

The prefix parameter is a string that allows you to add a custom label to the output printed to the console. This can be particularly useful for distinguishing between different debug outputs when inspecting multiple data points or running several instances of the node. The default value for this parameter is "DEBUG", but you can customize it to suit your needs, such as labeling outputs with specific test names or data types.

Smart Debug Node Output Parameters:

data

The data output parameter returns the same data that was input into the node. This ensures that the node functions as a pass-through, allowing the data to continue through the pipeline unaltered. The primary purpose of this output is to maintain the flow of data while providing the opportunity for inspection and debugging.

Smart Debug Node Usage Tips:

  • Use the prefix parameter to label your debug outputs clearly, especially when working with multiple data points or complex pipelines. This will help you quickly identify and differentiate between various outputs in the console.
  • Regularly utilize the DebugPrintNode to inspect data at different stages of your pipeline. This practice can help you catch and resolve issues early, ensuring smoother and more efficient AI model development.

Smart Debug Node Common Errors and Solutions:

Error inspecting data: <specific_error_message>

  • Explanation: This error occurs when the node encounters an issue while trying to inspect the input data. The specific error message will provide more details about the nature of the problem, such as unsupported data types or malformed structures.
  • Solution: Review the specific error message to understand the issue. Ensure that the data being passed to the node is correctly formatted and compatible with the inspection process. If the error persists, consider simplifying the data structure or breaking it down into smaller components for individual inspection.

Smart Debug Node Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI-Doctor
RunComfy
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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.