Perfherder has detected a browsertime performance regression from push [5718cf939e0d24b8e7324515f8ff9fc1867aeb7b](https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=5718cf939e0d24b8e7324515f8ff9fc1867aeb7b). 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)**| |--|--|--|--|--| | [9%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3777136,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) LastVisualChange | linux1804-64-shippable-qr | fission warm webrender | [773.33](https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/TbmW10XKTPysqSc_KMhDFQ/runs/0/artifacts/public/test_info/browsertime-results.tgz) -> [840.00](https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/NM1nRIvASyi97Bra2zj3xw/runs/0/artifacts/public/test_info/browsertime-results.tgz) | | [6%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3776961,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) fcp | linux1804-64-shippable-qr | fission warm webrender | [183.10](https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/TbmW10XKTPysqSc_KMhDFQ/runs/0/artifacts/public/test_info/browsertime-results.tgz) -> [194.00](https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/NM1nRIvASyi97Bra2zj3xw/runs/0/artifacts/public/test_info/browsertime-results.tgz) | Details of the alert can be found in the [alert summary](https://treeherder.mozilla.org/perfherder/alerts?id=34337), 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/). If you need the profiling jobs you can trigger them yourself from treeherder job view or ask a sheriff to do that for you. For more information on performance sheriffing please see our [FAQ](https://wiki.mozilla.org/TestEngineering/Performance/FAQ).
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Perfherder has detected a browsertime performance regression from push [5718cf939e0d24b8e7324515f8ff9fc1867aeb7b](https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=5718cf939e0d24b8e7324515f8ff9fc1867aeb7b). As author of one of the patches included in that push, we need your help to address this regression. == Change summary for alert #34337 (as of Tue, 07 Jun 2022 15:41:57 GMT) == ### Regressions: | **Ratio** | **Test** | **Platform** | **Options** | **Absolute values (old vs new)**| |--|--|--|--|--| | [200%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3777135,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) FirstVisualChange | linux1804-64-shippable-qr | fission warm webrender | 56.67 -> 170.00 | | [53%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3777134,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) SpeedIndex | linux1804-64-shippable-qr | fission warm webrender | 180.88 -> 277.00 | | [36%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3777139,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) PerceptualSpeedIndex | linux1804-64-shippable-qr | fission warm webrender | 246.33 -> 335.67 | | [21%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3777137,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) ContentfulSpeedIndex | linux1804-64-shippable-qr | fission warm webrender | 345.25 -> 417.67 | | [9%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3777136,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) LastVisualChange | linux1804-64-shippable-qr | fission warm webrender | 773.33 -> 840.00 | | [6%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3776961,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) fcp | linux1804-64-shippable-qr | fission warm webrender | 183.10 -> 194.00 | Details of the alert can be found in the [alert summary](https://treeherder.mozilla.org/perfherder/alerts?id=34337), 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/). If you need the profiling jobs you can trigger them yourself from treeherder job view or ask a sheriff to do that for you. For more information on performance sheriffing please see our [FAQ](https://wiki.mozilla.org/TestEngineering/Performance/FAQ).
Perfherder has detected a browsertime performance regression from push [5718cf939e0d24b8e7324515f8ff9fc1867aeb7b](https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=5718cf939e0d24b8e7324515f8ff9fc1867aeb7b). 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)**| |--|--|--|--|--| | [200%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3777135,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) FirstVisualChange | linux1804-64-shippable-qr | fission warm webrender | 56.67 -> 170.00 | | [53%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3777134,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) SpeedIndex | linux1804-64-shippable-qr | fission warm webrender | 180.88 -> 277.00 | | [36%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3777139,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) PerceptualSpeedIndex | linux1804-64-shippable-qr | fission warm webrender | 246.33 -> 335.67 | | [21%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3777137,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) ContentfulSpeedIndex | linux1804-64-shippable-qr | fission warm webrender | 345.25 -> 417.67 | | [9%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3777136,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) LastVisualChange | linux1804-64-shippable-qr | fission warm webrender | 773.33 -> 840.00 | | [6%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,3776961,1,13) | [tumblr](https://firefox-source-docs.mozilla.org/testing/perfdocs/raptor.html#tumblr-d) fcp | linux1804-64-shippable-qr | fission warm webrender | 183.10 -> 194.00 | Details of the alert can be found in the [alert summary](https://treeherder.mozilla.org/perfherder/alerts?id=34337), 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/). If you need the profiling jobs you can trigger them yourself from treeherder job view or ask a sheriff to do that for you. For more information on performance sheriffing please see our [FAQ](https://wiki.mozilla.org/TestEngineering/Performance/FAQ).