Looking at throughput in Qt Quick
You might find this interesting: http://www.sletta.org/apps/blog/show/42708211-looking-at-throughput-in-qt-quick
Thanks sletta for this post. Cleared lot of my doubts :)
What a superb article! Certainly got me looking a lot more closely at some of the details in http://qt-project.org/doc/qt-5/qtquick-visualcanvas-scenegraph-renderer.html especially all the QSG_ environment variables.