Closed Bug 1804944 Opened 3 years ago Closed 2 years ago

81.58 - 11.55% twitch FirstVisualChange / twitter PerceptualSpeedIndex + 2 more (OSX) regression on Wed December 7 2022

Categories

(Core :: DOM: Content Processes, defect)

Product:
Core
Component:
DOM: Content Processes
Version:
Firefox 110
Type:
defect

Tracking

()

Status:
RESOLVED FIXED
Milestone:
109 Branch
Tracking Flags:
Tracking Status
firefox-esr102 --- unaffected
firefox107 --- unaffected
firefox108 --- unaffected
firefox109 --- fixed

People

(Reporter: alexandrui, Unassigned)

References

(Regression)

Details

(Keywords: perf, perf-alert, regression)

Perfherder has detected a browsertime performance regression from push 3b9e2c9256f843c54aa9dc89c8fec4560bba1e1a. 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)
82% twitch FirstVisualChange macosx1015-64-shippable-qr cold fission webrender 126.67 -> 230.00
59% twitter FirstVisualChange macosx1015-64-shippable-qr fission warm webrender 236.67 -> 376.67
22% outlook PerceptualSpeedIndex macosx1015-64-shippable-qr fission warm webrender 274.08 -> 334.83
12% twitter PerceptualSpeedIndex macosx1015-64-shippable-qr fission warm webrender 527.25 -> 588.17

Improvements:

Ratio Test Platform Options Absolute values (old vs new)
26% fandom FirstVisualChange linux1804-64-shippable-qr fission warm webrender 108.33 -> 80.00
25% fandom ContentfulSpeedIndex linux1804-64-shippable-qr fission warm webrender 112.62 -> 84.67
13% amazon PerceptualSpeedIndex android-hw-a51-11-0-aarch64-shippable-qr cold webrender 1,605.33 -> 1,401.58
7% fandom PerceptualSpeedIndex linux1804-64-shippable-qr fission warm webrender 230.62 -> 214.08
7% fandom SpeedIndex linux1804-64-shippable-qr fission warm webrender 229.92 -> 214.42
5% dailymail loadtime android-hw-a51-11-0-aarch64-shippable-qr cold webrender 2,502.58 -> 2,385.58

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.

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

For more information on performance sheriffing please see our FAQ.

Flags: needinfo?(smaug)

bug 1803966 was backed out

Flags: needinfo?(smaug)
Status: NEW → RESOLVED
Closed: 2 years ago
status-firefox107: --- → unaffected
status-firefox108: --- → unaffected
status-firefox109: affected → fixed
status-firefox-esr102: --- → unaffected
Resolution: --- → FIXED
Target Milestone: --- → 109 Branch
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