1866998 - 2.58% matrix-react-bench (Windows) regression on Fri November 24 2023

Status: RESOLVED DUPLICATE of bug 1866607

(Core :: JavaScript: GC, defect)

Description

[Acasandrei Beatrice (needinfo me)]

Perfherder has detected a browsertime performance regression from push dbd1a6aef0a74dc60875a4904d9eddb5ca9afbb7. As author of one of the patches included in that push, we need your help to address this regression.

Regressions:

Ratio	Test	Platform	Options	Absolute values (old vs new)	Performance Profiles
3%	matrix-react-bench	windows10-64-shippable-qr	fission webrender	23.06 -> 23.65	Before/After

Details of the alert can be found in the alert summary, including links to graphs and comparisons for each of the affected tests. Please follow our guide to handling regression bugs and let us know your plans within 3 business days, or the patch(es) may be backed out in accordance with our regression policy.

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Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1853907

Comment 2

[Ryan VanderMeulen [:RyanVM]]

This was already noticed and filed as bug 1866607.