1906351 - 14.57 - 6.44% perf_reftest_singletons id-getter-7.html / perf_reftest_singletons id-getter-7.html + 13 more (Windows) regression on Mon July 1 2024

Status: RESOLVED DUPLICATE of bug 1906350

(Firefox for Android :: Experimentation and Telemetry, defect)

Description

[Andrej (:aglavic)]

Perfherder has detected a talos performance regression from push 00fd088ec84ba96f6931a4764666580f270f2fa1. 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)
15%	perf_reftest_singletons id-getter-7.html	windows11-64-qr	e10s fission stylo webrender	471.96 -> 540.71
14%	perf_reftest_singletons id-getter-6.html	windows11-64-qr	e10s fission stylo webrender	471.19 -> 537.42
14%	perf_reftest_singletons id-getter-3.html	windows11-64-qr	e10s fission stylo webrender	472.16 -> 536.88
14%	perf_reftest_singletons id-getter-5.html	windows11-64-qr	e10s fission stylo webrender	473.80 -> 538.47
14%	perf_reftest_singletons id-getter-4.html	windows11-64-qr	e10s fission stylo webrender	471.88 -> 536.15
12%	perf_reftest_singletons id-getter-4.html	windows10-64-shippable-qr	e10s fission stylo webrender	693.49 -> 776.43
10%	perf_reftest_singletons id-getter-7.html	windows10-64-shippable-qr	e10s fission stylo webrender	697.34 -> 770.11
10%	perf_reftest_singletons id-getter-6.html	windows10-64-shippable-qr	e10s fission stylo webrender	693.81 -> 761.56
10%	perf_reftest_singletons id-getter-5.html	windows10-64-shippable-qr	e10s fission stylo webrender	694.70 -> 761.44
9%	perf_reftest_singletons id-getter-3.html	windows10-64-shippable-qr	e10s fission stylo webrender	697.56 -> 761.20
9%	perf_reftest_singletons id-getter-5.html	windows11-64-shippable-qr	e10s fission stylo webrender	381.34 -> 414.37
7%	perf_reftest_singletons id-getter-6.html	windows11-64-shippable-qr	e10s fission stylo webrender	381.53 -> 408.86
7%	perf_reftest_singletons id-getter-3.html	windows11-64-shippable-qr	e10s fission stylo webrender	380.71 -> 407.03
7%	perf_reftest_singletons id-getter-4.html	windows11-64-shippable-qr	e10s fission stylo webrender	380.68 -> 405.64
6%	perf_reftest_singletons id-getter-7.html	windows11-64-shippable-qr	e10s fission stylo webrender	380.88 -> 405.40

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.

If you need the profiling jobs you can trigger them yourself from treeherder job view or ask a sheriff to do that for you.

You can run these tests on try with ./mach try perf --alert 1019

For more information on performance sheriffing please see our FAQ.

Comment 1

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

Set release status flags based on info from the regressing bug 1905082

Comment 2

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

The higher values started with the next push (bug 1905117).