Perfherder has detected a raptor performance regression from push [7a13c77442451fdb9fd1032f605f1322a218702b](https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=7a13c77442451fdb9fd1032f605f1322a218702b). As author of one of the patches included in that push, we need your help to address this regression. Regressions: 30% raptor-tp6-facebook-firefox-cold loadtime macosx1014-64-shippable opt 3,229.92 -> 4,191.75 15% raptor-tp6-outlook-firefox-cold fcp windows7-32-shippable opt 207.75 -> 238.92 14% raptor-tp6-outlook-firefox-cold fcp windows10-64-shippable opt 207.00 -> 235.33 13% raptor-tp6-pinterest-firefox-cold fcp macosx1014-64-shippable opt 961.50 -> 1,082.75 13% raptor-tp6-outlook-firefox-cold windows7-32-shippable opt 259.77 -> 292.51 12% raptor-tp6-outlook-firefox-cold windows10-64-shippable opt 259.40 -> 290.40 11% raptor-tp6-office-firefox-cold fcp windows7-32-shippable opt 373.25 -> 414.08 9% raptor-tp6-wikipedia-firefox-cold linux64-shippable opt 1,460.09 -> 1,593.61 9% raptor-tp6-wikipedia-firefox-cold fcp linux64-shippable opt 1,434.67 -> 1,564.58 9% raptor-tp6-wikipedia-firefox-cold loadtime linux64-shippable opt 1,551.17 -> 1,684.08 8% raptor-tp6-wikipedia-firefox-cold loadtime windows7-32-shippable opt 1,516.83 -> 1,631.58 7% raptor-tp6-facebook-firefox-cold macosx1014-64-shippable opt 1,351.44 -> 1,449.56 7% raptor-tp6-wikipedia-firefox-cold loadtime windows10-64-shippable opt 1,478.58 -> 1,575.42 5% raptor-tp6-reddit-firefox-cold fcp linux64-shippable opt 255.17 -> 268.67 5% raptor-tp6-pinterest-firefox-cold fcp windows10-64-shippable opt 560.75 -> 588.92 4% raptor-tp6-yandex-firefox-cold fcp windows7-32-shippable opt 307.67 -> 321.08 4% raptor-tp6-wikipedia-firefox-cold windows7-32-shippable opt 1,392.83 -> 1,453.46 3% raptor-tp6-outlook-firefox-cold loadtime windows7-32-shippable opt 612.04 -> 630.42 3% raptor-tp6-facebook-firefox-cold loadtime windows7-32-shippable opt 1,863.00 -> 1,918.00 2% raptor-tp6-outlook-firefox-cold loadtime windows10-64-shippable opt 616.83 -> 631.25 2% raptor-tp6-wikipedia-firefox-cold fcp windows7-32-shippable opt 1,354.75 -> 1,385.17 Improvements: 21% raptor-tp6-twitch-firefox-cold fcp linux64-shippable-qr opt 104.75 -> 82.50 9% raptor-tp6-facebook-firefox-cold loadtime linux64-shippable opt 2,693.08 -> 2,458.08 6% raptor-tp6-twitch-firefox-cold linux64-shippable-qr opt 260.47 -> 244.87 3% raptor-tp6-facebook-firefox-cold linux64-shippable opt 966.63 -> 941.94 Details of the alert can be found in the [alert summary](https://treeherder.mozilla.org/perf.html#/alerts?id=26296), including links to graphs and comparisons for each of the affected tests. Please follow our [guide to handling regression bugs](https://wiki.mozilla.org/TestEngineering/Performance/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](https://www.mozilla.org/en-US/about/governance/policies/regressions/). For more information on performance sheriffing please see our [FAQ](https://wiki.mozilla.org/TestEngineering/Performance/FAQ).
Bug 1648026 Comment 0 Edit History
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Perfherder has detected a raptor performance regression from push [ed8d5ec80203d89a34e68220e7d8476a22f9b867](https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=ed8d5ec80203d89a34e68220e7d8476a22f9b867). As author of one of the patches included in that push, we need your help to address this regression. Regressions: 30% raptor-tp6-facebook-firefox-cold loadtime macosx1014-64-shippable opt 3,229.92 -> 4,191.75 15% raptor-tp6-outlook-firefox-cold fcp windows7-32-shippable opt 207.75 -> 238.92 14% raptor-tp6-outlook-firefox-cold fcp windows10-64-shippable opt 207.00 -> 235.33 13% raptor-tp6-pinterest-firefox-cold fcp macosx1014-64-shippable opt 961.50 -> 1,082.75 13% raptor-tp6-outlook-firefox-cold windows7-32-shippable opt 259.77 -> 292.51 12% raptor-tp6-outlook-firefox-cold windows10-64-shippable opt 259.40 -> 290.40 11% raptor-tp6-office-firefox-cold fcp windows7-32-shippable opt 373.25 -> 414.08 9% raptor-tp6-wikipedia-firefox-cold linux64-shippable opt 1,460.09 -> 1,593.61 9% raptor-tp6-wikipedia-firefox-cold fcp linux64-shippable opt 1,434.67 -> 1,564.58 9% raptor-tp6-wikipedia-firefox-cold loadtime linux64-shippable opt 1,551.17 -> 1,684.08 8% raptor-tp6-wikipedia-firefox-cold loadtime windows7-32-shippable opt 1,516.83 -> 1,631.58 7% raptor-tp6-facebook-firefox-cold macosx1014-64-shippable opt 1,351.44 -> 1,449.56 7% raptor-tp6-wikipedia-firefox-cold loadtime windows10-64-shippable opt 1,478.58 -> 1,575.42 5% raptor-tp6-reddit-firefox-cold fcp linux64-shippable opt 255.17 -> 268.67 5% raptor-tp6-pinterest-firefox-cold fcp windows10-64-shippable opt 560.75 -> 588.92 4% raptor-tp6-yandex-firefox-cold fcp windows7-32-shippable opt 307.67 -> 321.08 4% raptor-tp6-wikipedia-firefox-cold windows7-32-shippable opt 1,392.83 -> 1,453.46 3% raptor-tp6-outlook-firefox-cold loadtime windows7-32-shippable opt 612.04 -> 630.42 3% raptor-tp6-facebook-firefox-cold loadtime windows7-32-shippable opt 1,863.00 -> 1,918.00 2% raptor-tp6-outlook-firefox-cold loadtime windows10-64-shippable opt 616.83 -> 631.25 2% raptor-tp6-wikipedia-firefox-cold fcp windows7-32-shippable opt 1,354.75 -> 1,385.17 Improvements: 21% raptor-tp6-twitch-firefox-cold fcp linux64-shippable-qr opt 104.75 -> 82.50 9% raptor-tp6-facebook-firefox-cold loadtime linux64-shippable opt 2,693.08 -> 2,458.08 6% raptor-tp6-twitch-firefox-cold linux64-shippable-qr opt 260.47 -> 244.87 3% raptor-tp6-facebook-firefox-cold linux64-shippable opt 966.63 -> 941.94 Details of the alert can be found in the [alert summary](https://treeherder.mozilla.org/perf.html#/alerts?id=26296), including links to graphs and comparisons for each of the affected tests. Please follow our [guide to handling regression bugs](https://wiki.mozilla.org/TestEngineering/Performance/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](https://www.mozilla.org/en-US/about/governance/policies/regressions/). For more information on performance sheriffing please see our [FAQ](https://wiki.mozilla.org/TestEngineering/Performance/FAQ).