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Title: GH-148937: Use adaptive collection threshold for free-threaded GC by nascheme · Pull Request #149371 · python/cpython · GitHub

Open Graph Title: GH-148937: Use adaptive collection threshold for free-threaded GC by nascheme · Pull Request #149371 · python/cpython

X Title: GH-148937: Use adaptive collection threshold for free-threaded GC by nascheme · Pull Request #149371 · python/cpython

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Open Graph Description: See GH-100403 for a previous discussion of this idea, for the default-build GC. Some details on the design of this have been posted on DPO. Issue: Inc GC in 3.14t can defer too much, resulting ...

X Description: See GH-100403 for a previous discussion of this idea, for the default-build GC. Some details on the design of this have been posted on DPO. Issue: Inc GC in 3.14t can defer too much, resulting ...

Opengraph URL: https://github.com/python/cpython/pull/149371

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May 5, 2026 02:50https://github.com/python/cpython/pull/149371#commits-pushed-ef76657
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Use adaptive collection threshold for free-threaded GC.https://github.com/python/cpython/pull/149371/commits/ef7665770a53a6f278078d337c6b1f1bafe97dcd
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More robust threshold calculations.https://github.com/python/cpython/pull/149371/commits/b1dd2f83d6d9a457a8b5083d0c88506bb05e4941
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Remove unneeded 'mutex' member.https://github.com/python/cpython/pull/149371/commits/6a12aef2fdee16aefa77c309e2d9f0e98685edde
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Add blurb, update docs, remove debug func.https://github.com/python/cpython/pull/149371/commits/67a2a6625c9d9f23aa29aafbcd2d0129cfdfaa8a
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