Cython is an optimising static compiler for both the Python programming language and the extended Cython programming language (based on Pyrex). It makes writing C extensions for Python as easy …

Welcome to Cython! Cython is an optimising Python compiler that makes writing C extensions for Python as easy as Python itself. Cython translates Python code to C/C++ code, but additionally …

Cython (/ ˈsaɪθɒn /) is a superset of the programming language Python, which allows developers to write Python code (with optional, C-inspired syntax extensions) that yields performance comparable to that …

Cython can automatically convert many C types from and to Python types, as described in the documentation on type conversion, so we can use a simple list comprehension here to copy the C int …

May 23, 2026 · The Cython language makes writing C extensions for the Python language as easy as Python itself. Cython is a source code translator based on Pyrex, but supports more cutting edge …

Welcome to Cython’s Documentation — Cython 3.3.0a0 documentation

Jul 23, 2025 · Cython is a robust tool for optimizing Python code, enabling developers to achieve performance levels close to native C while maintaining the simplicity and readability of Python.

The most widely used Python to C compiler. Contribute to cython/cython development by creating an account on GitHub.

Porting Cython code to PyPy Migrating from Cython 0.29 to 3.0 Limitations Differences between Cython and Pyrex Typed Memoryviews Implementing the buffer protocol Using Parallelism Debugging your …

Feb 28, 2022 · Since starting work at Explosion, I’ve been trying to learn more about Cython. About 16% of spaCy’s codebase is Cython, so I decided to pick up a book and learn from that. I did a few …