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1. • • An experimental JIT (Just-in-time) compiler is now part of the main branch in Python. However, in Python 3.13, it is turned off by default. It is not part of the default build configuration and will likely stay that way in the foreseeable future. Users can enable JIT while building CPython by specifying the following flag.
     www.infoq.com/news/2024/10/python-313-latest-features/

     Breaking down Python 3.13’s Latest Features - InfoQ

2. docs.python.org › 3 › whatsnewWhat’s New In Python 3.13 — Python 3.13.0 documentation

   docs.python.org › 3 › whatsnew

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   2 days ago · When CPython is configured and built using the --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.

3. realpython.com › python313-new-featuresPython 3.13: Cool New Features for You to Try – Real Python

   realpython.com › python313-new-features

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   Sep 30, 2024 · In Python 3.13, there’s a new, experimental JIT compiler. The fact that it’s experimental means that it’s present in Python’s source code, but it’s not enabled by default. If you want to try out the JIT compiler, you need to set up a special version of Python 3.13 with the JIT enabled.

4. realpython.com › python313-free-threading-jitPython 3.13 Preview: Free Threading and a JIT Compiler

   realpython.com › python313-free-threading-jit

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   Sep 18, 2024 · When you build Python 3.13 with the experimental JIT support, you’ll enable a lower-level execution layer called the Tier 2 interpreter, which breaks down Python bytecode into even more granular instructions.

5. www.infoq.com › news › 2024Breaking down Python 3.13’s Latest Features - InfoQ

   www.infoq.com › news › 2024

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   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...

6. drew.silcock.dev › blog › everything-you-need-toEverything you need to know about Python 3.13 – JIT and GIL ...

   drew.silcock.dev › blog › everything-you-need-to

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   Sep 28, 2024 · The JIT compilers is “experimental” in 3.13 and isn’t built with support out of the box (at least not when I downloaded 3.13.0rc2 using pyenv). You can enable experimental JIT support by doing:

7. medium.com › @jerinisready › python-3-13-updates-youPython 3.13 — Updates you already know — Part 2: JIT - Medium

   medium.com › @jerinisready › python-3-13-updates-you

   Oct 28, 2024 · Enable JIT in Configuration: During the configuration step, you can specify JIT support by adding a specific flag, like ./configure --enable-jit. This tells Python to build with JIT...

8. People also ask

   Does Python 313 support JIT?

   • That’s where Python 3.13 comes in. When you build Python 3.13 with the experimental JIT support, you’ll enable a lower-level execution layer called the Tier 2 interpreter, which breaks down Python bytecode into even more granular instructions.

   Python 3.13 Preview: Free Threading and a JIT Compiler

   realpython.com/python313-free-threading-jit/

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   How to build Python 313 without free threading & JIT support?

   • So, you’re going to build the vanilla flavor of Python 3.13 without free threading or JIT support. Ensure that your current working directory is where you compiled Python 3.13 before, and remove any generated build files with make clean. Then, configure the build without the experimental features and compile Python again.

   Python 3.13 Preview: Free Threading and a JIT Compiler

   realpython.com/python313-free-threading-jit/

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   How to install Python 313 with experimental JIT enabled using pyenv?

   • To install Python 3.13 with the experimental JIT enabled using pyenv, you can specify custom build flags by setting the PYTHON_CONFIGURE_OPTS environment variable accordingly: In this case, you enable the JIT on top of the stock Python, 3.13.0rc1, which doesn’t come with free threading.

   Python 3.13 Preview: Free Threading and a JIT Compiler

   realpython.com/python313-free-threading-jit/

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   What is a JIT compiler in Python?

   • A just-in-time, or JIT, compiler provides a kind of middle ground, where the interpreter may choose to compile some code while a program is running in order to speed it up. In Python 3.13, there’s a new, experimental JIT compiler. The fact that it’s experimental means that it’s present in Python’s source code, but it’s not enabled by default.

   Python 3.13: Cool New Features for You to Try – Real Python

   realpython.com/python313-new-features/

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   How to enable free threading & JIT compiler in Python?

   • Navigate into the parent folder containing the Python source code, which you extracted from the downloaded archive in the previous step: Make sure to adjust the path as necessary if you opted for a more recent Python 3.13 release. Now, you can run the configure script with custom build flags to enable free threading and the JIT compiler:

   Python 3.13 Preview: Free Threading and a JIT Compiler

   realpython.com/python313-free-threading-jit/

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   What's new in Python 313?

   • 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).

   What’s New In Python 3.13

   docs.python.org/3/whatsnew/3.13.html

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9. dev.to › graphpe › dive-into-python-313-new-featuresDive into Python 3.13: New Features, JIT ... - DEV Community

   dev.to › graphpe › dive-into-python-313-new-features

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   Nov 12, 2024 · Python 3.13 introduces several game-changing updates: Free-threading Support (PEP 703) – Experimental support to run Python without the Global Interpreter Lock (GIL). Just-In-Time (JIT) Compiler (PEP 744) – A basic JIT compiler, currently disabled by default, but laying the groundwork for future performance boosts.