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GH-109190: Copyedit 3.12 What's New: PEP 684 by AA-Turner · Pull Request #109657 · python/cpython · GitHub

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GH-109190: Copyedit 3.12 What's New: PEP 684 #109657

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ambv merged 2 commits into from
Sep 22, 2023
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GH-109190: Copyedit 3.12 What's New: PEP 684 #109657

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61d0bd1
684: Add bridging note about Python/C-API
AA-Turner Sep 8, 2023
ebe97ad
684: Add intro
AA-Turner Sep 8, 2023
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8 changes: 4 additions & 4 deletions Doc/whatsnew/3.12.rst
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Expand Up @@ -292,9 +292,11 @@ can be used to customize buffer creation.
PEP 684: A Per-Interpreter GIL
------------------------------

Sub-interpreters may now be created with a unique GIL per interpreter.
:pep:`684` introduces a per-interpreter :term:`GIL <global interpreter lock>`,
so that sub-interpreters may now be created with a unique GIL per interpreter.
This allows Python programs to take full advantage of multiple CPU
cores.
cores. This is currently only available through the C-API,
though a Python API is :pep:`anticipated for 3.13 <554>`.

Use the new :c:func:`Py_NewInterpreterFromConfig` function to
create an interpreter with its own GIL::
Expand All @@ -313,8 +315,6 @@ create an interpreter with its own GIL::
For further examples how to use the C-API for sub-interpreters with a
per-interpreter GIL, see :source:`Modules/_xxsubinterpretersmodule.c`.

A Python API is anticipated for 3.13. (See :pep:`554`.)

(Contributed by Eric Snow in :gh:`104210`, etc.)

.. _whatsnew312-pep669:
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