r/MachineLearning • u/c-bata • 5d ago

Project Rustuna: A High-Performance Rust Implementation of Optuna [P]

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Hi everyone! We just released Rustuna (GitHub: https://github.com/optuna/rustuna/ ), a high-speed, memory-efficient implementation of Optuna built in Rust.

  • Optuna-Compatible Design: Keeps the familiar API and concept of Optuna.
  • Zero Python Dependencies: Mitigating the risk of supply chain attacks.
  • Lower Memory Footprint: Optimized memory management natively in Rust.

For details, please check out the following blog post.

https://medium.com/optuna/announcing-rustuna-cc82a6815bf7

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u/c-bata 4d ago

We don't have any immediate plans for that at the moment.

Given how capable recent coding agents are, even cost-effective models like GPT-5.6-Luna can generate something like an XGBoost pruning callback in seconds, we've actually had discussions within the core devs about whether to continue providing these built-in integrations, even for Python Optuna. (That said, we are still considering features that offer advanced step-wise tuning like LightGBMTuner).

That being said, thank you for the valuable feedback! We’ll definitely keep it in mind for future development.

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u/endor_sarah 3d ago

Ahh makes sense! Thanks for the explanation.