Closed Bug 1720270 Opened 4 years ago Closed 4 years ago

10.45 - 4.66% twitch fcp / twitch SpeedIndex + 1 more (Windows) regression on Wed July 7 2021

Categories

(Firefox :: Theme, defect)

Product:
Firefox
Component:
Theme
Version:
Firefox 92
Type:
defect

Tracking

()

Status:
RESOLVED FIXED
Tracking Flags:
Tracking Status
firefox-esr78 --- unaffected
firefox90 --- unaffected
firefox91 --- fixed
firefox92 --- fixed

People

(Reporter: alexandrui, Unassigned)

References

(Regression)

Details

(Keywords: perf, perf-alert, regression)

Perfherder has detected a browsertime performance regression from push 0cf557aafeaaa723f340932fb316c91d5557b0dc. As author of one of the patches included in that push, we need your help to address this regression.

Regressions:

Ratio Suite Test Platform Options Absolute values (old vs new)
10% twitch fcp windows10-64-shippable-qr warm webrender 56.02 -> 61.88
6% twitch SpeedIndex windows10-64-shippable-qr warm webrender 484.58 -> 511.50
5% twitch SpeedIndex windows10-64-shippable-qr warm webrender 493.12 -> 516.08

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?(mhowell)

Bug 1699419 was backed out.

Status: NEW → RESOLVED
Closed: 4 years ago
status-firefox92: affected → fixed
Flags: needinfo?(mhowell)
Resolution: --- → WORKSFORME
Resolution: WORKSFORME → FIXED

Set release status flags based on info from the regressing bug 1699419

status-firefox90: --- → unaffected
status-firefox91: --- → affected
status-firefox-esr78: --- → unaffected
Has Regression Range: --- → yes
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