2.64 - 2.37% linkedin PerceptualSpeedIndex / linkedin PerceptualSpeedIndex (Linux) regression on Fri August 6 2021
Categories
(Core :: CSS Parsing and Computation, defect)
Tracking
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| Tracking | Status | |
|---|---|---|
| firefox93 | --- | affected |
People
(Reporter: aesanu, Unassigned)
References
(Regression)
Details
(Keywords: perf, perf-alert, regression)
Perfherder has detected a browsertime performance regression from push 0d463dd5a5cc22df5f155dcec190952f415dc2d7. 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% | PerceptualSpeedIndex | linux1804-64-shippable-qr | cold webrender | 1,739.92 -> 1,785.92 | |
| 2% | PerceptualSpeedIndex | linux1804-64-shippable-qr | cold webrender | 1,744.42 -> 1,785.83 |
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.
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Comment 1•4 years ago
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We're using a different font, which can plausibly affect these numbers... Given the magnitude of the change I don't think this is worth digging-into a lot deeper... Jonathan wdyt?
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Comment 2•4 years ago
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Yeah, I don't think this is worth pursuing. It could well be that we used to use an already-cached font for LinkedIn, and now we're loading a new one that the content process hasn't used yet. Not really significant or interesting, just an artifact of how the site is styled and how the test runs.
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Updated•4 years ago
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Description
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