1846514 - 6.01 - 5.04% perf_reftest_singletons bloom-basic.html / perf_reftest_singletons bloom-basic.html + 1 more (Windows) regression on Mon July 17 2023

Status: RESOLVED WONTFIX

(Firefox Build System :: Toolchains, defect)

Description

[Andrej (:aglavic)]

Perfherder has detected a talos performance regression from push fe1d24f3b9dd125c346c6e9e0e9cf5cbe6a5721e. 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)
6%	perf_reftest_singletons bloom-basic.html	windows10-64-shippable-qr	e10s fission stylo webrender	54.51 -> 57.78
5%	perf_reftest_singletons bloom-basic-2.html	windows10-64-shippable-qr	e10s fission stylo webrender	54.57 -> 57.33
5%	perf_reftest_singletons bloom-basic.html	windows10-64-shippable-qr	e10s fission stylo webrender	54.57 -> 57.32

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 offending 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 1829776

Comment 2

[Mike Hommey [:glandium]]

Same conclusion as bug 1843288?