Rust vs. C for Python Libraries: Evaluating Rust-Compatible Bindings Toolchains

• URL: http://arxiv.org/abs/2507.00264v1
• Date: Mon, 30 Jun 2025 21:14:20 GMT
• Title: Rust vs. C for Python Libraries: Evaluating Rust-Compatible Bindings Toolchains
• Authors: Isabella Basso do Amaral, Renato Cordeiro Ferreira, Alfredo Goldman,
• Abstract summary: This study evaluates the performance and ease of use of the PyO3 Python bindings toolchain for Rust against ctypes and cffi.<n>By using Rust tooling developed for Python, we can achieve state-of-the-art performance with no concern for API compatibility.
• Score: 2.1984302611206537
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The Python programming language is best known for its syntax and scientific libraries, but it is also notorious for its slow interpreter. Optimizing critical sections in Python entails special knowledge of the binary interactions between programming languages, and can be cumbersome to interface manually, with implementers often resorting to convoluted third-party libraries. This comparative study evaluates the performance and ease of use of the PyO3 Python bindings toolchain for Rust against ctypes and cffi. By using Rust tooling developed for Python, we can achieve state-of-the-art performance with no concern for API compatibility.

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