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. > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest [1] Links: ------ [1] http://lists.qt-project.org/mailman/listinfo/interest
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