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gh-139038: Credit more people for JIT in 3.15 - #148359

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Apr 10, 2026
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gh-139038: Credit more people for JIT in 3.15#148359
Fidget-Spinner merged 3 commits into
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Fidget-Spinner:credit-jit-people

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@Fidget-Spinner

@Fidget-SpinnerFidget-Spinner commented Apr 10, 2026•
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@bedevere-appbedevere-appBot added docs Documentation in the Doc dir skip news labels Apr 10, 2026
@bedevere-appbedevere-appBot mentioned this pull request Apr 10, 2026
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savannahostrowski
savannahostrowski approved these changes Apr 10, 2026
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Pending preferred name inclusion, of course! But this is awesome!

@NekoAsakura

NekoAsakura commented Apr 10, 2026

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It's Zhongtian Zheng. Cheers ❤️

StanFromIreland
StanFromIreland reviewed Apr 10, 2026
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Comment threadDoc/whatsnew/3.15.rst Outdated
StanFromIreland
StanFromIreland reviewed Apr 10, 2026
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Comment threadDoc/whatsnew/3.15.rst Outdated
sharktide
sharktide reviewed Apr 10, 2026
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I left a couple of suggestions that make the docs more explicit and clear. They may not be needed, so I’ll leave this up to you whichever version you like better

Comment threadDoc/whatsnew/3.15.rst
experience lower memory usage for generated machine code and more efficient
machine code versus the old JIT.

machine code versus 3.14.

@sharktidesharktideApr 10, 2026

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Suggested change
machine code versus 3.14.
machine code versus the machine code generated by the 3.14 JIT compiler.

Same here

@Fidget-SpinnerFidget-SpinnerApr 10, 2026

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I think this is already implied. It would also be dishonest of us to compare to something else, so I hope people think the same.

Comment threadDoc/whatsnew/3.15.rst
(Contributed by Ken Jin, Donghee Na, Zheao Li, Hai Zhu, Savannah Ostrowski,
Reiden Ong, Noam Cohen, Tomas Roun, PuQing, Cajetan Rodrigues, and Sacul in :gh:`134584`.)

The JIT optimizer now supports significantly more operations than in 3.14.

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Suggested change
The JIT optimizer now supports significantly more operations than in 3.14.
The JIT optimizer now supports significantly more operations than the JIT optimizer in 3.14

Small suggestion for clarity

Comment threadDoc/whatsnew/3.15.rst Outdated
(Contributed by Ken Jin and Savannah Ostrowski in :gh:`132732`.)

The JIT avoids :term:`reference count`\ s where possible. This generally
:term:`reference count`\ s are avoided where safe to do so. This generally

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Suggested change
:term:`reference count`\ s are avoided where safe to do so. This generally
:term:`reference count`\ s are avoided whenever it is safe to do so. This generally

@Fidget-SpinnerFidget-SpinnerApr 10, 2026

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Thank you.

@Fidget-Spinner

Fidget-Spinner commented Apr 10, 2026

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Thanks for the review @StanFromIreland

StanFromIreland
StanFromIreland reviewed Apr 10, 2026
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Comment threadDoc/whatsnew/3.15.rst Outdated
@Fidget-Spinner
Fidget-Spinner merged commit c4d9512 into python:mainApr 10, 2026
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@github-project-automationgithub-project-automationBot moved this from Todo to Done in Docs PRsApr 10, 2026
@Fidget-Spinner

Fidget-Spinner commented Apr 10, 2026

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JFYI: CPython web docs are rebuilt roughly every 5 mins now. So watch out for your names on https://docs.python.org/dev/whatsnew/3.15.html#upgraded-jit-compiler !

@Fidget-Spinner
Fidget-Spinner deleted the credit-jit-people branch April 10, 2026 19:03
ljfp pushed a commit to ljfp/cpython that referenced this pull request Apr 25, 2026
@Fidget-Spinner@ljfp
pythongh-139038: Credit more people for JIT in 3.15 (pythonGH-148359)
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