[Interest] Qt 5.8 performance regression in android application

ekke ekke at ekkes-corner.org
Thu May 11 10:24:32 CEST 2017


are you using QtQuickControls1 or QtQuickControls2 ?

Am 11.05.17 um 09:45 schrieb Лагнер, Сергей:
> Hello all.
>
> We are going to upgrade Qt from 5.6 to 5.8 for our android application.
> I've got the build with Qt 5.8 and it much slower. 
>
> First of all I mean animations.
> We use Qml StackView and we animate transitions between pages. 
> With 5.6 this animations are smooth, but with 5.8 they are laggy. 
> It freezes 3 or 4 times each transition.
>
> One more example, we have a photo gallery page. All photos come from
> the internet. 
> Once transition to the page is done, Qt 5.6 already has a number of
> photos to show.
> 5.8 only shows first picture after a while.
>
> I know that my problem is not concrete enough, but maybe you know smth
> that 
> was changed between 5.6 and 5.8 that is very important to check or modify 
> to get better performance.
>
> We use QtQuickCompiler if it's matter.
>
>
>
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