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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.
Apr 11, 2024 · This JIT, like any JIT, produces large amounts of executable data at runtime. This introduces a potential new attack surface to CPython, since a malicious actor capable of influencing the contents of this data is therefore capable of executing arbitrary code. This is a well-known vulnerability of JIT compilers.
1 day ago · An experimental just-in-time (JIT) compiler¶ 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
Jan 10, 2024 · The copy-and-patch approach is easier to implement for CPython than other JIT-compiler techniques, but still generates high quality code. There is a dependency on LLVM but only when the CPython runtime is built, not for deployment. Platforms supported will include Windows, macOS for both x86 and ARM64, and Linux also for x86 and ARM64.
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.
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Does CPython have a JIT compiler?
Which Python implementation has a JIT?
Will a JIT compiler speed up Python?
Can CPython be built without JIT?
Does CPython have a 'just-in-time' compiler?
What is a JIT in Python?
Install LLVM 19 by searching for it on LLVM's GitHub releases page, clicking on "Assets", downloading the appropriate Windows installer for your platform (likely the file ending with -win64.exe), and running it. When installing, be sure to select the option labeled "Add LLVM to the system PATH". Alternatively, you can use chocolatey: