Closed Bug 1864411 Opened 2 years ago Closed 2 years ago

13.5 - 13.39% fandom loadtime / fandom loadtime (Windows) regression on Tue November 7 2023

Categories

(Core :: Internationalization, defect)

defect

Tracking

()

RESOLVED FIXED
121 Branch
Tracking Status
firefox-esr115 --- unaffected
firefox119 --- unaffected
firefox120 --- unaffected
firefox121 --- fixed

People

(Reporter: bacasandrei, Unassigned)

References

(Regression)

Details

(Keywords: perf, perf-alert, regression)

Perfherder has detected a browsertime performance regression from push 35ff07f4726ad465baa0d222c0c55d48a1082600. 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) Performance Profiles
14% fandom loadtime windows10-64-shippable-qr bytecode-cached fission warm webrender 180.13 -> 204.44 Before/After
13% fandom loadtime windows10-64-shippable-qr bytecode-cached fission warm webrender 177.34 -> 201.09 Before/After

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 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?(andrebargull)

Set release status flags based on info from the regressing bug 1859752

Bug 1859752 was backed-out because of bug 1864612.

Flags: needinfo?(andrebargull)
Status: NEW → RESOLVED
Closed: 2 years ago
Resolution: --- → FIXED
Target Milestone: --- → 121 Branch
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