1766003 - 8.52% glvideo Mean tick time across 100 ticks: (Linux) regression on Mon April 18 2022

Status: NEW

(Core :: IPC, defect)

Description

[Andrej (:aglavic)]

Perfherder has detected a talos performance regression from push 0d23532d6a496bf9b48cdcb4fde4dad209941124. 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)
9%	glvideo Mean tick time across 100 ticks:	linux1804-64-shippable-qr	e10s fission stylo webrender	17.04 -> 18.50

Improvements:

Ratio	Test	Platform	Options	Absolute values (old vs new)
6%	glterrain	linux1804-64-qr	e10s fission stylo webgl-ipc webrender	10.41 -> 9.77
5%	motionmark_webgl 3DGraphics-WebGL	windows10-64-qr	e10s fission stylo webgl-ipc webrender	12.46 -> 13.04
4%	motionmark_webgl 3DGraphics-WebGL	windows10-64-qr	e10s fission stylo webgl-ipc webrender	12.42 -> 12.97
4%	pdfpaint	macosx1015-64-shippable-qr	e10s fission stylo webrender	661.76 -> 637.68

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) will 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 1757802

Comment 2

[Nika Layzell [:nika] (ni? for response)]

The regressing bug 1757802 has been backed out