1927440 - 10.38 - 2.27% speedometer VanillaJS-TodoMVC/Adding100Items/Async / speedometer Angular2-TypeScript-TodoMVC/Adding100Items + 8 more (Linux, OSX, Windows) regression on Wed October 9 2024

Status: RESOLVED WONTFIX

(Toolkit :: Form Autofill, defect)

Description

[Treeherder Bug Filer]

Perfherder has detected a browsertime performance regression from push 3fd1200f4db2e2bdce0383e795c2874eef90ee67. 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
7%	speedometer AngularJS-TodoMVC/Adding100Items/Async	macosx1400-64-shippable-qr	fission webrender	2.77 -> 2.95	Before/After

Improvements:

Ratio	Test	Platform	Options	Absolute values (old vs new)	Performance Profiles
17%	speedometer Angular2-TypeScript-TodoMVC/Adding100Items/Async	windows11-64-shippable-qr	fission webrender	1.56 -> 1.29	Before/After
17%	speedometer Inferno-TodoMVC/Adding100Items/Async	windows11-64-shippable-qr	fission webrender	1.66 -> 1.38	Before/After
17%	speedometer Angular2-TypeScript-TodoMVC/Adding100Items/Async	windows11-64-nightlyasrelease-qr	fission webrender	1.52 -> 1.26	Before/After
16%	speedometer Inferno-TodoMVC/Adding100Items/Async	windows11-64-nightlyasrelease-qr	fission webrender	1.62 -> 1.36	Before/After
15%	speedometer Angular2-TypeScript-TodoMVC/Adding100Items/Async	macosx1400-64-shippable-qr	fission webrender	0.95 -> 0.80	Before/After
...	...	...	...	...	...
2%	speedometer VueJS-TodoMVC	windows11-64-shippable-qr	fission webrender	14.34 -> 14.03	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.

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 2430

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

[Dimi Lee [:dimi]]

Similar to Bug 1927431, this is an improvement. I'll close this bug as WONTFIX.