Closed Bug 1835639 Opened 6 months ago Closed 6 months ago

0.29 - 0.27% Base Content JS / Base Content JS (OSX) regression on Fri May 26 2023


(Core :: JavaScript Engine, defect)




Tracking Status
firefox-esr102 --- unaffected
firefox113 --- unaffected
firefox114 --- unaffected
firefox115 --- wontfix


(Reporter: bacasandrei, Unassigned)




(Keywords: perf, perf-alert, regression)

Perfherder has detected a awsy performance regression from push f49b182be8f3ee54820984534a60245b4cbbc173. As author of one of the patches included in that push, we need your help to address this regression.


Ratio Test Platform Options Absolute values (old vs new)
0.29% Base Content JS macosx1015-64-shippable-qr fission 1,576,914.67 -> 1,581,432.00
0.27% Base Content JS macosx1015-64-shippable-qr fission 1,577,157.33 -> 1,581,432.00

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) 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?(tjc)

Set release status flags based on info from the regressing bug 1811057

These patches enabled a new JavaScript language feature -- we won't be fixing this one unfortunately.

Closed: 6 months ago
Flags: needinfo?(tjc)
Resolution: --- → WONTFIX
You need to log in before you can comment on or make changes to this bug.