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Speed up itertools.pairwise #118218

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Speed up itertools.pairwise#118218
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extension-modulesC modules in the Modules dirperformancePerformance or resource usagetype-featureA feature request or enhancement

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@hauntsaninja
hauntsaninja
opened on Apr 24, 2024

The pairwise implementation mentions that we can reuse the result tuple

There's currently some discussion of performance ongoing at https://discuss.python.org/t/nwise-itertools/51718

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  1. hauntsaninja
    added
    type-featureA feature request or enhancement
    on Apr 24, 2024
  2. AlexWaygood
    added
    performancePerformance or resource usage
    extension-modulesC modules in the Modules dir
    on Apr 24, 2024
  3. hauntsaninja
    added a commit that references this issue on Apr 24, 2024

    pythongh-118218: Reuse return tuple in itertools.pairwise

    3bd6a58

  4. eendebakpt commented on Apr 24, 2024

    @eendebakpt
    eendebakpt
    on Apr 24, 2024
    Contributor

    Also see #118222 (improve performance of pairwise by replacing PyTuple_Pack)

  5. serhiy-storchaka
    added a commit that references this issue on Apr 30, 2024

    gh-118218: Reuse return tuple in itertools.pairwise (GH-118219)

    6999d68
  6. serhiy-storchaka
    closed this as completedon Apr 30, 2024
  7. SonicField
    added a commit that references this issue on May 8, 2024

    pythongh-118218: Reuse return tuple in itertools.pairwise (pythonGH-1…

    ca6a36f
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