pypy3.9 ☆
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Description:
Implementation of Python 3 in Python
Type: Formula  |  Latest Version: 7.3.16@0  |  Tracked Since: Oct 15, 2025
Links: Homepage  |  @pypyproject  |  formulae.brew.sh
Category: Developer tools
Tags: python interpreter jit pypy performance
Install: brew install pypy3.9
About:
PyPy is a high-performance, alternative implementation of the Python programming language. This formula provides PyPy with Python 3.9 compatibility, featuring a Just-In-Time (JIT) compiler that can significantly speed up execution for long-running programs. It is designed as a drop-in replacement for standard CPython.
Key Features:
  • Just-In-Time (JIT) compilation for faster execution
  • Drop-in replacement for CPython
  • Reduced memory consumption
  • Python 3.9 compatibility
Use Cases:
  • Accelerating CPU-bound Python applications
  • Running scripts with high memory efficiency
  • Long-running daemons and services
Alternatives:
  • python@3.9 – The standard CPython implementation; generally faster startup time but slower raw execution speed compared to PyPy.
  • pypy3.10 – A newer version of PyPy supporting Python 3.10 syntax and features.
Version History
Detected Version Rev Change Commit
Oct 15, 2025 5:03pm 1 VERSION_BUMP 9d5968fc
Nov 26, 2024 9:02am 1 VERSION_BUMP f9762f9b
Sep 14, 2024 10:06pm 1 VERSION_BUMP 66ff3c08
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