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GeezerVison is showing github.com — [3.14] gh-142145: Avoid timing measurements in quadratic behavior test (gh-143105) by miss-islington · Pull Request #143139 · python/cpython

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@miss-islington

@miss-islington miss-islington commented Dec 24, 2025 •
edited by bedevere-app Bot
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Count the number of Element attribute accesses as a proxy for work done.
With double the amount of work, a ratio of 2.0 indicates linear scaling
and 4.0 quadratic scaling. Use 3.2 as an intermediate threshold.
(cherry picked from commit 57937a8)

Co-authored-by: Sam Gross [email protected]

  • Issue: Remove quadratic behavior in node ID cache clearing #142145

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@colesbury @miss-islington
pythongh-142145: Avoid timing measurements in quadratic behavior test (…
b710edb 
…pythongh-143105)

Count the number of Element attribute accesses as a proxy for work done.
With double the amount of work, a ratio of 2.0 indicates linear scaling
and 4.0 quadratic scaling. Use 3.2 as an intermediate threshold.
(cherry picked from commit 57937a8)

Co-authored-by: Sam Gross <[email protected]>
@bedevere-app bedevere-app Bot added the tests Tests in the Lib/test dir label Dec 24, 2025
@bedevere-app bedevere-app Bot mentioned this pull request Dec 24, 2025
Remove quadratic behavior in node ID cache clearing #142145
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@bedevere-app bedevere-app Bot added the skip news label Dec 24, 2025
@bedevere-app bedevere-app Bot mentioned this pull request Dec 24, 2025
gh-142145: Avoid timing measurements in quadratic behavior test #143105
Merged
@bedevere-app bedevere-app Bot added the awaiting review label Dec 24, 2025
@colesbury
colesbury enabled auto-merge (squash) December 24, 2025 13:02
@colesbury
colesbury merged commit 41f4687 into python:3.14 Dec 24, 2025
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@bedevere-app bedevere-app Bot removed the awaiting review label Dec 24, 2025
@miss-islington
miss-islington deleted the backport-57937a8-3.14 branch January 2, 2026 17:56
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@miss-islington @colesbury
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