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Apr 11, 2024 · Since it should always be possible to build CPython without the JIT, removing JIT support for a platform should not be considered a backwards-incompatible change. However, if it is reasonable to do so, the normal deprecation process should be followed as outlined in PEP 387.
- PEP 744: JIT Compilation - PEPs - Discussions on Python.org
PEP 744 is an informational PEP answering many common...
- PEP 744: JIT Compilation - PEPs - Discussions on Python.org
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.
To expand on previous replies a little, a JIT would have to do a lot of work checking for attributes, types, etc, due to the dynamic nature of python. Smart move is to call functions in a support library to do that. But that's exactly what the cpython interpreter is already doing, so a JIT won't speed things up all that much for standard python.
Apr 12, 2024 · PEP 744 is an informational PEP answering many common questions about CPython 3.13’s new experimental JIT compiler. My main goal for this PEP is to build community consensus around the specific criteria that the JIT should meet in order to become a permanent, non-experimental part of CPython. The “Specification” section lists three basic requirements as a starting point, but I expect ...
When CPython is configured and built using the :option:`!--enable-experimental-jit` option, a just-in-time (JIT) compiler is added which may speed up some Python programs. On Windows, use PCbuild/build.bat --experimental-jit to enable the JIT or --experimental-jit-interpreter to enable the Tier 2 interpreter.
Sep 19, 2022 · It is written in C and Python and includes an interpreter and a compiler (for Python bytecode). There is no built-in JIT (Just in Time Compiling) for CPython (meaning it does not compile the code ...
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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.