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GeezerVison is showing github.com — Micro optimize list.pop · Issue #94603 · python/cpython

Micro optimize list.pop #94603

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Micro optimize list.pop#94603
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3.12only security fixesonly security fixesperformancePerformance or resource usagePerformance or resource usagetype-featureA feature request or enhancementA feature request or enhancement

Description

@eendebakpt
eendebakpt
opened on Jul 6, 2022
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Feature or enhancement

list.pop currently calls list_ass_slice which contains some extra caculations not relevant for list.pop. With a direct implementation the cases for small lists is improved.

Pitch

The gain for the improved cases is in the 10% to 30% range.

Previous discussion

This came out of tests performed related to #94508

  • PR: gh-94603: micro optimize list.pop #94604

Activity

  1. eendebakpt
    added
    type-featureA feature request or enhancementA feature request or enhancement
    on Jul 6, 2022
  2. AlexWaygood
    added
    performancePerformance or resource usagePerformance or resource usage
    3.12only security fixesonly security fixes
    on Jul 6, 2022
  3. corona10
    added a commit that references this issue on Dec 27, 2022

    gh-94603: micro optimize list.pop (gh-94604)

    b3da698
  4. corona10
    closed this as completedon Dec 27, 2022
  5. iritkatriel
    added a commit that references this issue on Dec 28, 2022

    Merged main into regmachine branch (#50)

    fdc73cb
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