Performance rendering performance in QML SequentialAnimation

[Sil20]

Hi,
I developpe a large QML based application, displaied on 11 full HD screens. To do so we split into several inbstance of QMLApplicationviewer (QDeclarativeView)

I notice the sequential animation are ressource consuming and lower the respons of touch interaction.
I suppose there are some timers or some loop computation for those animation. I was wondering how can I make them less "nice looking" but less time consuming (compute only 1 position among 2 or something like this)

Where in Qt can I found this code ?

Here after is an example of the sequential animations we are using.
@ SequentialAnimation {
id: iPlotterAnimation
running: false
NumberAnimation { target: needle; property: "x"; to: __mtargetNeedleX; duration: 400 }
NumberAnimation { target: needle; property: "rotation"; to:__activechannel==1?360:(__activechannel-1)*60; duration: 300; }
NumberAnimation { target: needle; property: "y"; to: 102; duration: 100 }
NumberAnimation { target: needle; property: "y"; to: 93; duration: 100 }
}@

[Sil20]

Hi,
I looked into it but I could not really figure out how the animations are managed.

Maybe anohter strategy would be to aim ata lower level in QT.

Is there a way to set the maximum rendering frame rate? Which reduce the computation ressource?