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Title: Improve performance by replacing PyTuple_Pack with PyTuple_FromArray · Issue #140009 · python/cpython · GitHub

Open Graph Title: Improve performance by replacing PyTuple_Pack with PyTuple_FromArray · Issue #140009 · python/cpython

X Title: Improve performance by replacing PyTuple_Pack with PyTuple_FromArray · Issue #140009 · python/cpython

Description: Feature or enhancement Proposal: The PyTuple_Pack method is relatively slow because it is a variadic function. For various cases (in particular tuples of size 1 and 2) we can replace PyTuple_Pack with PyTuple_FromArray (introduced in #11...

Open Graph Description: Feature or enhancement Proposal: The PyTuple_Pack method is relatively slow because it is a variadic function. For various cases (in particular tuples of size 1 and 2) we can replace PyTuple_Pack w...

X Description: Feature or enhancement Proposal: The PyTuple_Pack method is relatively slow because it is a variadic function. For various cases (in particular tuples of size 1 and 2) we can replace PyTuple_Pack w...

Opengraph URL: https://github.com/python/cpython/issues/140009

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Improve performance by replacing PyTuple_Pack with PyTuple_FromArrayhttps://github.com/python/cpython/issues/140009#top
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performancePerformance or resource usagehttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22performance%22
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on Oct 12, 2025https://github.com/python/cpython/issues/140009#issue-3507668693
#111489https://github.com/python/cpython/issues/111489
gh-140009: Improve performance of list_extend_dictitems by using PyTuple_FromArray #140010https://github.com/python/cpython/pull/140010
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