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Recommend running the test suite in parallel - #1917

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StanFromIreland merged 3 commits into
python:mainfrom
harshit-s-gowda:gh-1895-parallel-testing
Oct 27, 2026
Merged

StanFromIreland merged 3 commits into
python:mainfrom
harshit-s-gowda:gh-1895-parallel-testing

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@harshit-s-gowda

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Summary

  • Recommend parallel test execution with -j0 in the main test-running examples.
  • Apply the recommendation to Unix, macOS, and Windows commands.
  • Remove the duplicate parallel-testing section.

Issue

Closes #1895

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python-cla-bot Bot commented Oct 3, 2026 •

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Documentation build overview

📚 CPython devguide | 🛠️ Build #35451980 | 📁 Comparing 519d915 against latest (2439c5f)

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3 files changed
± versions/index.html
± developer-workflow/c-api/index.html
± testing/run-write-tests/index.html

Comment thread testing/run-write-tests.rst
@StanFromIreland StanFromIreland changed the title docs: recommend parallel test execution Recommend running the test suite in parallel Oct 27, 2026

@willingc willingc left a comment •

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Thank you @harshit-s-gowda, and congrats on your first contribution to the devguide.

@StanFromIreland Please double check my question. Feel free to merge after. Thanks.

Comment thread testing/run-write-tests.rst Outdated
Co-Authored-By: Zachary Ware <zach@python.org>
@StanFromIreland
StanFromIreland merged commit da26e03 into python:main Oct 27, 2026
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@StanFromIreland

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Merged, thanks all!

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Devguide recommends a very slow testing configuration

4 participants