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gh-110649: Update -Xcpu_count=<n> cmdline to support process mode #110639

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gh-109595: Update -Xcpu_count=<n> cmdline to support process mode
corona10 Oct 10, 2023
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nit
corona10 Oct 10, 2023
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Update NEWS.d
corona10 Oct 10, 2023
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Update whats news
corona10 Oct 10, 2023
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Address code review
corona10 Oct 10, 2023
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Address code review
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corona10 committed Oct 10, 2023
commit 0967c522ae93e8fceb995485613f4f6ad1b8ae5d
9 changes: 4 additions & 5 deletions Doc/using/cmdline.rst
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Expand Up @@ -551,9 +551,8 @@ Miscellaneous options
*n* must be greater than or equal to 1.
This option may be useful for users who need to limit CPU resources of a
container system. See also :envvar:`PYTHON_CPU_COUNT`.
If *n* is ``default``, nothing is overridden, if *n* is ``process``,
:func:`os.os.process_cpu_count` becomes an alias of :func:`os.cpu_count`
and :func:`multiprocessing.cpu_count`.
If *n* is ``default``, nothing is overridden. If *n* is ``process``,
:func:`os.cpu_count` becomes an alias of :func:`os.process_cpu_count`

It also allows passing arbitrary values and retrieving them through the
:data:`sys._xoptions` dictionary.
Expand Down Expand Up @@ -1078,8 +1077,8 @@ conflict.

If this variable is set to a positive integer, it overrides the return
values of :func:`os.cpu_count` and :func:`os.process_cpu_count`.
if this variable is set to ``process``, :func:`os.process_cpu_count` becomes
an alias of :func:`os.cpu_count` and :func:`multiprocessing.cpu_count`.
If this variable is set to ``process``, :func:`os.cpu_count` becomes
an alias of :func:`os.process_cpu_count`.

See also the :option:`-X cpu_count <-X>` command-line option.

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5 changes: 2 additions & 3 deletions Misc/NEWS.d/next/Core and Builtins/2023-10-10-23-37-42.gh-issue-110649.jPp6s9.rst
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@@ -1,4 +1,3 @@
Update :option:`-X cpu_count <-X>` command line option to support
``process`` mode that :func:`os.process_cpu_count` becomes an alias of
:func:`os.cpu_count` and :func:`multiprocessing.cpu_count`. Patch by Donghee
Na.
``process`` mode that :func:`os.cpu_count` becomes an alias of
:func:`os.process_cpu_count`. Patch by Donghee Na.