Closed Bug 1683870 Opened 3 years ago Closed 3 years ago

2.4 - 2.7% JS (linux1804-64-shippable-qr) regression on push 7da8f779dc24489bd423f647c1d60530e9deb24e (Thu December 17 2020)

Categories

(Core :: JavaScript: GC, defect)

Product:
Core
Component:
JavaScript: GC
Type:
defect

Tracking

()

Status:
RESOLVED FIXED
Milestone:
86 Branch
Tracking Flags:
Tracking Status
firefox-esr78 --- unaffected
firefox84 --- unaffected
firefox85 --- unaffected
firefox86 --- fixed

People

(Reporter: aesanu, Unassigned)

References

(Regression)

Details

(Keywords: perf, perf-alert, regression)

Perfherder has detected a awsy performance regression from push 7da8f779dc24489bd423f647c1d60530e9deb24e. 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)
3% JS linux1804-64-shippable-qr tp6 169,706,152.05 -> 174,280,636.51
2% JS linux1804-64-shippable-qr tp6 169,925,022.11 -> 173,999,316.67

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?(jcoppeard)

Set release status flags based on info from the regressing bug 1681533

status-firefox84: --- → unaffected
status-firefox85: --- → unaffected
status-firefox-esr78: --- → unaffected

Please back bug 1681533 out until we can investigate this.

Flags: needinfo?(jcoppeard)

This has returned to baseline after the backout. Closing this bug.

Status: NEW → RESOLVED
Closed: 3 years ago
Resolution: --- → FIXED
status-firefox86: affected → fixed
Target Milestone: --- → 86 Branch
Has Regression Range: --- → yes
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