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 …

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 …

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 …

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.

May 23, 2026 · Download Cython for free. The most widely used Python to C compiler. Cython is an optimizing static compiler for both the Python programming language and the extended Cython …

def use_volatile(): i: cython.volatile[cython.int] = 5 @cython.cfunc def sum(a: cython.const[cython.int], b: cython.const[cython.int]) -> cython.const[cython.int]: return a + b @cython.cfunc def …