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  1. Qt
  2. QTBUG-71848

Performance regression in Quick Delegates

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    Details

    • Type: Bug
    • Status: Reported
    • Priority: P2: Important
    • Resolution: Unresolved
    • Affects Version/s: 5.12
    • Fix Version/s: None
    • Component/s: Quick: Other
    • Environment:
      Jetson TX1 Linux for Tegra Ubuntu 16.04. Qt Configured with -opengl es2
    • Platform/s:
      Linux/Other display system

      Description

      5.12 is seeing a regression in Quick Delegates. The following test results are comparisions against 5.9.8:

       

      creation/quick/delegates_flickable.qml 70 80 76 14.3% 8.6% -5.0%
      creation/quick/delegates_flipable.qml 93 112 111 20.4% 19.4% -0.9%
      creation/quick/delegates_focusscope.qml 94 114 113 21.3% 20.2% -0.9%
      creation/quick/delegates_fontloader.qml 104 116 114 11.5% 9.6% -1.7%
      creation/quick/delegates_fontmetrics.qml 92 103 103 12.0% 12.0% 0.0%
      creation/quick/delegates_gridview.qml 60 65 63 8.3% 5.0% -3.1%
      creation/quick/delegates_listview.qml 60 65 61 8.3% 1.7% -6.2%
      creation/quick/delegates_loader.qml 60 69 57 15.0% -5.0% -17.4%
      creation/quick/delegates_mousearea.qml 89 102 102 14.6% 14.6% 0.0%
      creation/quick/delegates_multipointtoucharea.qml 92 111 107 20.7% 16.3% -3.6%
      creation/quick/delegates_pathview.qml 75 85 82 13.3% 9.3% -3.5%
      creation/quick/delegates_pincharea.qml 92 112 108 21.7% 17.4% -3.6%
      creation/quick/delegates_qobject.qml 77 144 133 87.0% 72.7% -7.6%
      creation/quick/delegates_qobject_large_array.qml 78 111 101 42.3% 29.5% -9.0%
      creation/quick/delegates_shadereffect.qml 61 52 61 -14.8% 0.0% 17.3%
      creation/quick/delegates_shadereffect_props.qml 17 18 20 5.9% 17.6% 11.1%
      creation/quick/delegates_shadereffectsource.qml 73 73 73 0.0% 0.0% 0.0%
      creation/quick/delegates_textmetrics.qml 90 100 104 11.1% 15.6% 4.0%

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          Activity

            People

            Assignee:
            qt.team.quick.subscriptions Qt Quick and Widgets Team
            Reporter:
            daniel.smith Daniel Smith
            Votes:
            2 Vote for this issue
            Watchers:
            6 Start watching this issue

              Dates

              Created:
              Updated:

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