PyPy, an alternative runtime for Python, uses a specially created JIT compiler to yield potentially massive speedups over CPython, the conventional Python runtime. But PyPy’s exemplary performance has ...

The Python team has released version 3.14, with big new features including free threading support, the ability to use concurrent interpreters, improved debugger support, and an opt-in new interpreter ...

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. Until recently, Python threads ...

Using the code in #105805 with the newly added test.test_threading.ThreadTests.test_finalize_daemon_thread_hang test enabled you can reproduce this thread sanitizer crash as follows (I used clang 18): ...

This issue is to discuss and keep track of progress on support for the experimental free-threading build of CPython at a high level. CPython has historically been using a Global Interpreter Lock (GIL) ...

Summit received numerous topic proposals from Python core developers as well as from members of the wider Python community, all are very interesting and important. The next version of the standard ...

Ruby and Python's standard implementations make use of a Global Interpreter Lock. Justin James explains the major advantages and downsides of the GIL mechanism. Multithreading and parallel processing ...