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1 day ago · Python 3.13 is the latest stable release of the Python programming language, with a mix of changes to the language, the implementation and the standard library. The biggest changes include a new interactive interpreter, experimental support for running in a free-threaded mode (PEP 703), and a Just-In-Time compiler (PEP 744).
Oct 23, 2012 · To answer the question you meant to ask: CPython, 3.x or otherwise, does not, never did, and likely never will, contain a JIT compiler. Some other Python implementations (PyPy natively, Jython and IronPython by re-using JIT compilers for the virtual machines they build on) do have a JIT compiler.
Sep 18, 2024 · Although the final release of Python 3.13 is scheduled for October 2024, you can download and install a preview version today to explore the new features. Notably, the introduction of free threading and a just-in-time (JIT) compiler are among the most exciting enhancements, both designed to give your code a significant performance boost.
Oct 9, 2024 · Furthermore, Python 3.13 allows for the experimental disabling of the Global Interpreter Lock (GIL), alongside the introduction of a Just-in-Time (JIT) compiler, enhancing performance though still ...
Jan 9, 2024 · What people tend to mean when they say a JIT compiler, is a compiler that emits machine code. This is in contrast to an AOT (Ahead of Time) compiler, like the GNU C compiler, GCC or the Rust compiler rustc which generates the machine code once and distributes as a binary executable. When you run Python code, it is first compiled into bytecodes.
The beta preview of Python 3.13, Python 3.13.0b1, was released in May 8, 2024. It introduced interesting experimental features including Just-In-Time compilation and the removal of the Global Interpreter Lock (GIL). See PEP 744 and PEP 703 for more information. These features are still being heavily developed, and therefore are disabled by default.
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Oct 7, 2024 · Andrew Cornwall, an analyst at Forrester Research, agrees that the two most significant runtime changes in Python 3.13 are experimental, “so everyday CPython users won’t see much difference yet,” he told The New Stack. However, Python is laying the groundwork for faster code running on multiple processors. “A JIT compiler should make ...