Closed Bug 1760282 Opened 3 years ago Closed 3 years ago

236.11 - 2% wikipedia FirstVisualChange / netflix fnbpaint + 18 more (Android, Linux, OSX, Windows) regression on Tue March 15 2022

Categories

(Core :: Web Painting, defect)

Product:
Core
Component:
Web Painting
Version:
Firefox 100
Type:
defect

Tracking

()

Status:
RESOLVED WONTFIX
Tracking Flags:
Tracking Status
firefox-esr91 --- unaffected
firefox98 --- unaffected
firefox99 --- unaffected
firefox100 --- affected

People

(Reporter: alexandrui, Unassigned)

References

(Regression)

Details

(Keywords: perf, perf-alert, regression)

Perfherder has detected a browsertime performance regression from push 65c2623a2d3567002f440a0704b9b7b2b03d7115. 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)
236% wikipedia FirstVisualChange linux1804-64-shippable-qr fission warm webrender 120.00 -> 403.33
235% wikipedia ContentfulSpeedIndex linux1804-64-shippable-qr fission warm webrender 120.25 -> 403.33
207% wikipedia SpeedIndex linux1804-64-shippable-qr fission warm webrender 131.33 -> 403.33
173% wikipedia PerceptualSpeedIndex linux1804-64-shippable-qr fission warm webrender 148.67 -> 405.33
104% pinterest LastVisualChange linux1804-64-shippable-qr fission warm webrender 2,215.00 -> 4,516.67
104% pinterest LastVisualChange linux1804-64-shippable-qr fission warm webrender 2,213.33 -> 4,506.67
75% imgur FirstVisualChange linux1804-64-shippable-qr fission warm webrender 240.00 -> 420.00
72% pinterest LastVisualChange macosx1015-64-shippable-qr fission warm webrender 2,480.00 -> 4,253.33
29% imgur PerceptualSpeedIndex linux1804-64-shippable-qr fission warm webrender 370.83 -> 476.75
25% netflix FirstVisualChange linux1804-64-shippable-qr fission warm webrender 160.00 -> 200.00
... ... ... ... ...
6% netflix fnbpaint linux1804-64-shippable-qr fission warm webrender 199.12 -> 210.12
4% netflix LastVisualChange linux1804-64-shippable-qr fission warm webrender 1,565.00 -> 1,626.67
4% netflix fcp linux1804-64-shippable-qr fission warm webrender 180.58 -> 187.12
2% google-mail LastVisualChange linux1804-64-shippable-qr cold fission webrender 4,293.33 -> 4,386.67
2% netflix fnbpaint windows10-64-shippable-qr fission warm webrender 168.50 -> 171.88

Improvements:

Ratio Test Platform Options Absolute values (old vs new)
83% facebook-nav.friends LastVisualChange macosx1015-64-shippable-qr cold fission webrender 5,818.33 -> 973.33
60% facebook-nav.friends ContentfulSpeedIndex macosx1015-64-shippable-qr cold fission webrender 879.04 -> 350.33
11% linkedin ContentfulSpeedIndex linux1804-64-shippable-qr fission warm webrender 1,401.33 -> 1,244.58
8% fandom ContentfulSpeedIndex linux1804-64-shippable-qr fission warm webrender 259.67 -> 238.00
8% linkedin ContentfulSpeedIndex macosx1015-64-shippable-qr cold fission webrender 1,804.58 -> 1,655.08
... ... ... ... ...
3% expedia LastVisualChange linux1804-64-shippable-qr fission warm webrender 1,442.35 -> 1,400.00

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.

For more information on performance sheriffing please see our FAQ.

Flags: needinfo?(mikokm)

Set release status flags based on info from the regressing bug 1759514

status-firefox98: --- → unaffected
status-firefox99: --- → unaffected
status-firefox-esr91: --- → unaffected
Has Regression Range: --- → yes

This is the previous baseline before Nightly only pref was flipped.

Flags: needinfo?(mikokm)
Status: NEW → RESOLVED
Closed: 3 years ago
Resolution: --- → WONTFIX
You need to log in before you can comment on or make changes to this bug.