Go Object Cloning: JSON or GOB – Which is Faster and Why?

Faster Cloning of Objects in Go: JSON vs GOB

When faced with the need to duplicate objects, you have the options of JSON (JavaScript Object Notation) and GOB (Google's Binary Object Model). However, in your case, JSON surpassed GOB on execution speed. Wondering why?

Understanding the Encoding Difference

GOB encoding involves sending both data and type definitions, creating a self-describing stream. This means including type information for each transmission, potentially slowing down the process.

Testing Methodology Concerns

Your manual testing method, while convenient, has limitations. It would be better to utilize Go's inbuilt testing and benchmarking tools for more accurate results.

Caveats of JSON and GOB Cloning

While these methods employ reflection for data copying, they have some limitations:

• Only accessible exported fields can be cloned.
• Pointer equality is often not preserved.
• Self-referencing structures pose difficulties and can lead to errors.

The Optimal Cloning Approach

For optimal performance and adherence to specific requirements, consider implementing a custom cloning method within the object type. This allows for precise handling of nested structures, pointer equality, and self-referencing scenarios, ensuring accuracy and efficiency in your cloning operations.

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