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-- PyPy latest What is PyPy? Goals and Architecture Overview Downloading and Installing PyPy Building PyPy from Source Translating on Windows Frequently Asked Questions Differences between PyPy and CPython Writing extension modules for pypy Garbage collector documentation and configuration JIT hooks Application-level Stackless features The __pypy__ module PyPy’s sandboxing features Software Transactional Memory Contributing Guidelines PyPy’s Configuration Handling Potential Project List Project Documentation Source Code Documentation PyPy’s Release Process Historical release notes Changelogs Contributors Glossary PyPy Docs » Welcome to PyPy’s documentation! Edit on Bitbucket Welcome to PyPy’s documentation! ¶ Welcome to the documentation for PyPy, a fast , compliant alternative implementation of the Python language. If you want to find out more about what PyPy is, have a look at our What is PyPy? or consult the PyPy website . If you’re interested in trying PyPy out, check out the installation instructions . If you want to help develop PyPy, please have a look at contributing and get in touch ( Contact )! All of the documentation and source code is available under the MIT license, unless otherwise specified. Consult LICENSE . Getting Started ¶ What is PyPy? Goals and Architecture Overview Downloading and Installing PyPy Building PyPy from Source Translating on Windows Frequently Asked Questions Using PyPy ¶ Differences between PyPy and CPython Differences related to garbage collection strategies Subclasses of built-in types Mutating classes of objects which are already used as dictionary keys Ignored exceptions Object Identity of Primitive Values, is and id C-API Differences Performance Differences Miscellaneous Extension modules Writing extension modules for pypy CFFI CTypes cppyy RPython Mixed Modules Garbage collector documentation and configuration Incminimark Semi-manual GC management Fragmentation gc.get_stats GC Hooks Environment variables JIT hooks Application-level Stackless features Introduction Theory Application level interface The __pypy__ module Generally available functionality Fast String Concatenation Interacting with the PyPy debug log Transparent Proxy Functionality Additional Clocks for Timing Extended Signal Handling Integer Operations with Overflow Functionality available on py.py (not after translation) PyPy’s sandboxing features Introduction Overview Howto Software Transactional Memory What pypy-stm is for Getting Started Python 3, CPython, and others User Guide Implementation See also Development ¶ Contributing Guidelines Getting involved Your first contribution Architecture Building Testing Testing After Translation Tooling & Utilities Demos graphviz & pygame for flow graph viewing (highly recommended) PyPy’s Configuration Handling Main Assumption API Details The usage of config objects in PyPy Potential Project List Getting involved Simple tasks for newcomers Mid-to-large tasks Explicit typing in RPython Make bytearray type fast Implement copy-on-write list slicing NumPy rebooted Improving the jitviewer Optimized Unicode Representation Convert RPython to Python3 Improve performance Improve warmup Translation Toolchain Various GCs STM (Software Transactional Memory) Introduce new benchmarks Interfacing with C Support more platforms Project Documentation Source Code Documentation PyPy’s Release Process Release Policy How to Create a PyPy Release Release Steps Further resources ¶ Historical release notes Changelogs Contributors Glossary Contact ¶ #pypy on irc.freenode.net Many of the core developers are hanging out here. You are welcome to join and ask questions (if they are not already answered in the FAQ ). You can find logs of the channel here . Development mailing list Development and conceptual discussions Commit mailing list Updates to code and documentation Development bug/feature tracker Filing bugs and feature requests Meeting PyPy developers The PyPy developers are organizing sprints and presenting results at conferences all year round. They will be happy to meet in person with anyone interested in the project. Watch out for sprint announcements on the development mailing list . Indices and tables ¶ Index Module Index Search Page Next © Copyright 2020, The PyPy Project Revision b7b76322a4a7 . Built with Sphinx using a theme provided by Read the Docs . Read the Docs v: latest Versions latest release-2.6.x release-2.5.x release-2.4.x Downloads pdf html epub On Read the Docs Project Home Builds Free document hosting provided by Read the Docs ....