An experimental ‘no-GIL’ build mode in Python 3.13 disables the Global Interpreter Lock to enable true parallel execution in Python. Here’s where to start.

Python Threads Analysis This repository demonstrates how Python handles threading, and why Python threads do not provide true parallelism due to the Global Interpreter Lock (GIL). It also provides an ...

Free-threaded Python is now officially supported, though using it remains optional. Here are four tips for developers getting started with true parallelism in Python.