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- PEP 744: A basic JIT compiler was added. It is currently disabled by default (though we may turn it on later).
docs.python.org/3/whatsnew/3.13.html
Sep 18, 2024 · Free Threading: To compile Python with free-threading support, you need to configure the build with the --disable-gil option. JIT Compiler: To compile Python with the experimental JIT compiler, you need to configure the build using the --enable-experimental-jit option.
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.
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...
Nov 12, 2024 · Just-In-Time (JIT) Compiler (PEP 744) – A basic JIT compiler, currently disabled by default, but laying the groundwork for future performance boosts. Enhanced Error Messages – Python’s interactive interpreter and error handling have leveled up, now with colorized tracebacks for easy debugging.
Sep 28, 2024 · JIT (Just-in-Time) Compiler. It’s not just the GIL that’s a big change in this Python release – there’s also the addition into the Python interpreter of an experimental JIT compiler. # What is a JIT?
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Oct 7, 2024 · Python 3.13 introduces experimental free-threaded mode and JIT compiler, paving the way for improved performance and multi-core utilization while enhancing the interactive experience.