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gh-1542: Do not suggest`make -j`#1543

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Yhg1s wants to merge1 commit intopython:mainfromYhg1s:fix-bad-make-j-advice

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gh-1542: Do not suggest`make -j`#1543

Yhg1s wants to merge1 commit intopython:mainfromYhg1s:fix-bad-make-j-advice

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Yhg1s commentedApr 18, 2025•
edited by github-actionsbot
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Do not suggestmake -j for building CPython.make -j meansno limit on

the number of concurrent jobs, not "a sensible limit considering the available memory and CPU cores". With LTO it's easy to run out of memory when too many jobs run at the same time.

📚 Documentation preview 📚:https://cpython-devguide--1543.org.readthedocs.build/

Do not suggestmake -j for building CPython.make -j means _no_ l…

ad15aeb

…imit onthe number of concurrent jobs, not "a sensible limit considering theavailable memory and CPU cores". With LTO it's easy to run out of memorywhen too many jobs run at the same time.

hugovk reviewed

Apr 18, 2025

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developer-workflow/extension-modules.rst

		@@ -547,8 +547,11 @@ Now that the configuration is in place, it remains to compile the project:

		.. tip::

		Use ``make -j`` to speed-up compilation by utilizing as many CPU cores
		as possible or ``make -jN`` to allow at most N concurrent jobs.
		Use ``make -jN`` to speed-up compilation by utilizing as many CPU cores