[Qt5-feedback] 400000 chips example in QML?

[Samuel Rødal]

On 05/12/2011 10:55 AM, ext Kishore Jonnalagadda wrote:
> As was asked in the blog http://labs.qt.nokia.com/2011/05/11/responses-to-qt-5/.
>
> I would like to know if QML can scale well enough. It seemed that
> QGraphicsView used QGraphicsItems as they were much lighter than using
> QWidget. But with QML each item will again be a QObject. Does this not
> add too much overhead? Take the example of the 400000 chips for
> reference.
>
> --
> Cheers,
> Kishore

QML isn't really meant for such use-cases (visualization of large data 
sets). The right way of doing this would be to use scene graph or OpenGL 
directly (and you'd get much better performance than in the 40000 chips 
demo).

--
Samuel