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  1. Qt
  2. QTBUG-71839

Performance regression in Quick Layouts

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Details

    • Bug
    • Resolution: Done
    • P2: Important
    • 5.15.1
    • 5.12
    • Quick: Layouts
    • Jetson TX1 Linux for Tegra Ubuntu 16.04. Qt Configured with -opengl es2
    • Linux/Other display system
    • cc77a0bc549ce8f0b218661e7ae0e82e5b89e0da (qt/qtdeclarative/dev) a5d2fd816bcbee6026894927ae5d049536bfc7ea (qt/qtdeclarative/5.15)

    Description

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

       

      creation/layouts/delegates_column.qml -2.2%
      creation/layouts/delegates_columnlayout.qml -3.4%
      creation/layouts/delegates_flow.qml -2.2%
      creation/layouts/delegates_grid.qml -6.5%
      creation/layouts/delegates_gridlayout.qml -3.4%
      creation/layouts/delegates_row.qml -5.4%
      creation/layouts/delegates_rowlayout.qml -1.7%

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            smd Jan Arve
            daniel.smith Daniel Smith
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            Dates

              Created:
              Updated:
              Resolved:

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