1931880 - 25.67 - 2.15% pdfpaint issue1721.pdf / pdfpaint issue3062.pdf + 17 more (Linux, OSX, Windows) regression on Fri November 8 2024

Status: RESOLVED FIXED

(Core :: Layout: Text and Fonts, defect)

Description

[Treeherder Bug Filer]

Perfherder has detected a talos performance regression from push 279130f31a21d46b732ad40ace66379f880fd541. 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)
26%	pdfpaint issue1721.pdf	linux1804-64-shippable-qr	e10s fission stylo webrender	866.74 -> 1,089.20
24%	pdfpaint issue1721.pdf	linux1804-64-shippable-qr	e10s fission stylo webrender-sw	847.12 -> 1,053.70
22%	pdfpaint issue1721.pdf	linux1804-64-shippable-qr	e10s fission stylo webrender	888.56 -> 1,087.70
12%	pdfpaint issue1729.pdf	windows11-64-shippable-qr	e10s fission stylo webrender-sw	161.93 -> 181.78
7%	pdfpaint bug1354114.pdf	windows11-64-shippable-qr	e10s fission stylo webrender-sw	232.29 -> 248.14
6%	tart	macosx1015-64-shippable-qr	e10s fission stylo webrender-sw	1.70 -> 1.80
6%	pdfpaint issue16843.pdf	linux1804-64-shippable-qr	e10s fission stylo webrender-sw	560.59 -> 595.33
5%	pdfpaint issue14438.pdf	linux1804-64-shippable-qr	e10s fission stylo webrender-sw	427.59 -> 450.96
5%	pdfpaint issue16843.pdf	linux1804-64-shippable-qr	e10s fission stylo webrender	573.26 -> 604.34
5%	pdfpaint issue3062.pdf	linux1804-64-shippable-qr	e10s fission stylo webrender	407.51 -> 428.16
...	...	...	...	...
4%	pdfpaint issue14685.pdf	linux1804-64-shippable-qr	e10s fission stylo webrender-sw	409.92 -> 427.47
4%	pdfpaint issue1796.pdf	windows11-64-shippable-qr	e10s fission stylo webrender-sw	200.42 -> 207.60
3%	pdfpaint issue3427.pdf	windows11-64-shippable-qr	e10s fission stylo webrender-sw	178.90 -> 183.92
2%	pdfpaint issue16843.pdf	windows11-64-shippable-qr	e10s fission stylo webrender-sw	230.01 -> 235.29
2%	pdfpaint issue3062.pdf	windows11-64-shippable-qr	e10s fission stylo webrender-sw	191.89 -> 196.02

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 all of these tests on try with ./mach try perf --alert 42624

The following documentation link provides more information about this command.

For more information on performance sheriffing please see our FAQ.

If you have any questions, please do not hesitate to reach out to [e-mail].

Comment 1

[Jonathan Kew [:jfkthame]]

I'm pretty sure this is the same issue as bug 1931487, and the patch that just landed there should have resolved these regressions also.

Comment 2

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

Set release status flags based on info from the regressing bug 1929024

Comment 3

[Jens Stutte [:jstutte]]

Can you confirm if this is fixed by the other bug?

Comment 4

[Jonathan Kew [:jfkthame]]

Closing this as FIXED (by bug 1931487); see https://treeherder.mozilla.org/perfherder/alerts?id=42723 for corresponding improvements.