[Interest] Qt 5.5.1 30% slower than Qt 5.5.1

[Daniel França]

Can you profile the different version to try to spot something new
consuming more CPU?

Em qua, 28 de out de 2015 às 12:47, maitai <maitai at virtual-winds.org>
escreveu:

> Sounds a serious issue...
>
> What OS are you speaking about? QML ou Widget-based application?
>
> Thanks
>
> Philippe
>
>
>
>
> Le 24-10-2015 21:21, Bernd Müller a écrit :
>
> Hi there,
>
> after further testing I'm not sure if its only an graphic issue. Because a
> basic QWidget / QPainter test application did not show any slow down with
> Qt 5.5.1. So it might be a deeper issue.
>
> All I can say is that my application runs 30% slower with QT 5.5.1 than
> with Qt 5.5.0.
>
> So I downloaded both Qt versions again and made a clean install. And after
> recompiling the Qt 5.5.0 and Qt 5.5.1 versions of my application both ran
> slow !
>
> So I checked the files from the new downloaded Qt 5.5.0 an saw that there
> are new files in it: For instance Qt5Core.dll and Qt5Cored.dll are from 23
> October 2015 !
>
> So I went back to the initial QT 5.5.0 release with Qt5Core.dll and
> Qt5Cored.dll from date 11. August 2015. And the speed was there again !
>
> There is definitely something wrong with the new Qt 5.5.1 release. But I'm
> not an Qt expert to find out which Qt module does the slow down.
>
>
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