3.52 - 4.21% google-mail FirstVisualChange / google-mail PerceptualSpeedIndex / google-mail SpeedIndex / google-mail loadtime (windows10-64-shippable) regression on push 920fe1cdc13ce2582f55e4c68b7e8a3c1325973f (Tue March 2 2021)
Categories
(Core :: Widget: Win32, defect)
Tracking
()
People
(Reporter: igoldan, Unassigned)
References
(Regression)
Details
(Keywords: perf, perf-alert, regression)
Perfherder has detected a browsertime performance regression from push 920fe1cdc13ce2582f55e4c68b7e8a3c1325973f. 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) |
|---|---|---|---|---|---|
| 4% | google-mail | loadtime | windows10-64-shippable | nocondprof warm | 525.04 -> 547.17 |
| 4% | google-mail | FirstVisualChange | windows10-64-shippable | nocondprof warm | 1,225.00 -> 1,271.33 |
| 4% | google-mail | SpeedIndex | windows10-64-shippable | nocondprof warm | 1,234.08 -> 1,278.25 |
| 4% | google-mail | PerceptualSpeedIndex | windows10-64-shippable | nocondprof warm | 1,251.46 -> 1,295.50 |
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•5 years ago
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So that push touches code that at the time was disabled by default on Windows (https://hg.mozilla.org/integration/autoland/rev/e2e3769604ef enabled it, the day after).
How can it be the cause of this regression? I think it might be misattributed.
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Reporter | |
Comment 2•5 years ago
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Oh, you are right. Sorry for this confusion.
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Updated•5 years ago
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Description
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