Python's Global Interpreter Lock (GIL) ensures that only one thread executes Python bytecode at a time, which can limit the effectiveness of threading for CPU-bound tasks.

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

Global Interpreter Lock (GIL) The GIL is a mutex that protects access to Python objects, preventing multiple threads from executing Python bytecodes simultaneously. This means that in a multi-threaded ...

While writing tests in support of #12489, I ran across a case where the GIL is implicitly locking some data stored in Python objects, but in a manner that can be worked around, even with the GIL.