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Type: Bug
Resolution: Unresolved
Priority: P1: Critical
Fix Version/s: None
Affects Version/s: 6.10, 6.11
Component/s: Quick: 3D
Labels:
None

The quick3d/multiview.qml QMLBench benchmarks shows that performance has regressed in early June.

https://testresults.qt.io/grafana/d/5ei7yHViz/qmlbench-daily-results?orgId=1&from=now%2Fy&to=now&var-benchmark=multiview.qml&var-benchmark=moving-images-simple.qml&var-benchmark=modelaccess_size.qml&var-benchmark=modelaccess_rect.qml&var-benchmark=modelaccess_point.qml&var-benchmark=modelaccess_datetime.qml&var-benchmark=modelaccess_color.qml&var-benchmark=delegates_rowlayout.qml&var-benchmark=delegates_item_childrenRect.qml&var-benchmark=delegates_gridlayout.qml&var-benchmark=delegates_columnlayout.qml&var-benchmark=delegates_basictype_url.qml&var-benchmark=date_getYear.qml&timezone=browser&var-suite=$__all&var-branch=dev&var-hardwareId=Ubuntu_22.04_Foucault_x64&var-CoV=hide&var-graphicsApi=opengl&viewPanel=panel-20-clone-0

Bisecting indicates that this was caused by https://codereview.qt-project.org/c/qt/qtquick3d/+/644177

is required for

QTBUG-140339 Performance regression on multiple benchmarks

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Assignee:: Christian

Reporter:: Olivier De Cannière

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Created:: 30 Sep '25 11:35

Updated:: 02 Oct '25 06:54

There are no open Gerrit changes