0.34 - 0.28% Base Content JS / Base Content JS + 2 more (Linux, OSX, Windows) regression on Thu November 14 2024
Categories
(Core :: JavaScript Engine, defect)
Tracking
()
| Tracking | Status | |
|---|---|---|
| firefox-esr128 | --- | unaffected |
| firefox132 | --- | unaffected |
| firefox133 | --- | unaffected |
| firefox134 | --- | affected |
People
(Reporter: intermittent-bug-filer, Unassigned)
References
(Regression)
Details
(Keywords: perf, perf-alert, regression)
Perfherder has detected a awsy performance regression from push a5cc817a57593d97a2aec6fa489459b10b83e51a. 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) |
|---|---|---|---|---|
| 0.34% | Base Content JS | linux1804-64-shippable-qr | fission | 1,517,003.00 -> 1,522,106.00 |
| 0.33% | Base Content JS | windows11-64-2009-shippable-qr | fission | 1,523,184.00 -> 1,528,160.00 |
| 0.31% | Base Content JS | macosx1015-64-shippable-qr | fission | 1,517,332.33 -> 1,522,007.33 |
| 0.28% | Base Content JS | linux1804-64-shippable-qr | fission | 1,517,331.33 -> 1,521,555.33 |
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.
You can run all of these tests on try with ./mach try perf --alert 42719
The following documentation link provides more information about this command.
For more information on performance sheriffing please see our FAQ.
If you have any questions, please do not hesitate to reach out to fbilt@mozilla.com.
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Comment 1•3 months ago
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Set release status flags based on info from the regressing bug 1927195
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Comment 2•3 months ago
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Hello i am working on this presently, trying to debug!
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Comment 3•3 months ago
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Hello i am still on the investigation its taking a little bit more time but probable cause seems to be the addition of new globals by the proposal.
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Comment 4•3 months ago
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This is a small regression so it is fine as long as you understand what the cause is, and it is something that is expected and required by the change.
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Comment 5•3 months ago
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This is an expected and acceptable outcome of landing the original patch. Closing as WONTFIX.
Description
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