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Cython

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 of C.

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Developer
Robert Bradshaw, Stefan Behnel, et al.
Filename extensions
.pyx, .pxd, .pxi
First appeared
28 July 2007; 19 years ago (2007-07-28)
Implementation language
Python
License
Apache License 2.0
OS
Windows, macOS, Linux

Topics to explore

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Overview

Design

History

Examples

Using in IPython/Jupyter notebook

Uses of Cython

Advanced semantic analysis

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Map overview Semantic statistics

Cython

Nodes40
Edges39
Triples54
Avg. degree1.95
Density0.05
Components1

How this topic connects Entity context

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Cython

Top relations

related to history · 14
Cython → At, For, Greg Ewing, However, LXML, Pyrex, Pyrex's, Python, Sage, SageX, Stefan Behnel, They, When, XML
related to Design · 8
Cython → Although, C-based, Choosing, CPython, Cython's, However, Python, While
related to Uses of Cython · 8
Cython → Guido, Of, Python, Rossum, SageMath, SciPy, Significant, The
related to Examples · 5
Cython → API, Asetup, At, PEP517-compliant, Python
related to Using in IPython/Jupyter notebook · 3
Cython → IPython, Jupyter, More
related to External links · 2
Cython → GitHub, Official
Developer · 1
Cython → Robert Bradshaw, Stefan Behnel, et al.
Filename extensions · 1
Cython → .pyx, .pxd, .pxi
First appeared · 1
Cython → 28 July 2007; 19 years ago (2007-07-28)
Implementation language · 1
Cython → Python

Important terminology Word statistics

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Important terminology

python code cpython language syntax used modules source written compiled also standard pyrex performance extension producing windows macos linux libraries

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
CythonDeveloperRobert Bradshaw, Stefan Behnel, et al.1.00infobox
CythonFilename extensions.pyx, .pxd, .pxi1.00infobox
CythonFirst appeared28 July 2007; 19 years ago (2007-07-28)1.00infobox
CythonImplementation languagePython1.00infobox
CythonLicenseApache License 2.01.00infobox
CythonOSWindows, macOS, Linux1.00infobox
CythonPreview release3.2.0 beta 3 (30 October 2025; 9 months ago (2025-10-30)) [±]1.00infobox
CythonStable release3.3.0 (22 August 2026; 2 days ago (22 August 2026)) [±]1.00infobox
CythonWebsitecython.org1.00infobox
Cythonis acompiled language that is typically used to generate CPython extension modules0.90text
core memoryinstance ofand class attributes.A Cython program that implements the same algorithm as a corresponding Python program may consume fewer computing resources0.80text
processing cycles due to differences between the CPythoninstance ofand class attributes.A Cython program that implements the same algorithm as a corresponding Python program may consume fewer computing resources0.80text

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