1794396 - 6.1 - 5.08% ebay-kleinanzeigen-search FirstVisualChange / ebay-kleinanzeigen-search LastVisualChange (Android) regression on Wed October 5 2022

Status: RESOLVED WONTFIX

(Core :: Graphics: CanvasWebGL, defect)

Description

[Alexandru Ionescu (needinfo me) [:alexandrui]]

Perfherder has detected a browsertime performance regression from push 273e93cdadbf3ab57895b317ab4a51a3f536bfcd. 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%	ebay-kleinanzeigen-search FirstVisualChange	android-hw-a51-11-0-aarch64-shippable-qr	cold webrender	1,338.79 -> 1,420.50
5%	ebay-kleinanzeigen-search LastVisualChange	android-hw-a51-11-0-aarch64-shippable-qr	cold webrender	2,823.38 -> 2,966.93

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]]

Set release status flags based on info from the regressing bug 1793679

Comment 2

[Kelsey Gilbert [:jgilbert]]

Unfortunate, but I think we should WONTFIX this regression.
@jrmuizel: Does that sound ok?
@jnicol: There's probably not much actionable here for us, right?

Comment 3

[Jamie Nicol [:jnicol]]

I think we should at least try to understand what caused the regression first. Did we see similar regressions when enabling OOP on other platforms too?

Comment 4

[Donal Meehan [:dmeehan]]

Setting 107 to wontfix based on comment 2. Please let me know if there's any disagreement.
Was there any further investigation re: comment 3?