[SOLVED] QQmlApplicationEngine/QQuickWindow slower than qmlscene
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I have an application that sets some dynamic properties in a qml scene. The qml document has several nested XmlListModels. When the window is shown, the data seems to stream in and layout slowly, while qmlscene on the same files is quite a bit faster. I notice qmlscene CPU usage hits 13% which is spiking one cpu core, while the slower application goes up to 25%, spiking two cpu cores. At first glance Qt Creator QML profiler doesn't appear to show anything out of the ordinary. This is a bit of the code, the rest of the application is too large to post here. Is there something common I should watch out for here? Thanks!
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QQmlApplicationEngine* engine = new QQmlApplicationEngine(this);
engine->load(QUrl("qrc:/ReportViewer.qml"));
QObject *topLevel = engine->rootObjects().value(0);
QQuickWindow window = qobject_cast<QQuickWindow >(topLevel);
window->setProperty("report", "qrc:/Report.qml");
QObject item = window->findChild<QObject>("reportObject");
item->setProperty("dataSource", "data.xml");
window->show();
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