22.03.2019, 19:22, "Denis Shienkov" <denis.shien...@gmail.com>: > Hmmm.. thanks.. it is very bad... :( > > My goal it is to accelerate my QWidget application in some way... I use the > QWT library to render a curves.. > > That ~30% CPU loading occured even at a low "frame-rate" (about ~2 updates > per second)... But I need about 20-30 updates per second... In this case the > CPU load increases up to 100% and the UI freezes.. It is wery bad, because on > Desktop-systems the CPU load is ~0%. > > Is any suggestions to minimize the CPU load on iMX6 target (using QWidget > application)? Maybe is it possible to use an OpenGL at all with X11? Or > something else? Because any other suggestions related to the application code > optimization has not sense (because there are the QWT library already is > optimized). Re-writing an application to Quick is not an option too...
You may want to try using QwtPlotOpenGLCanvas on your device -- Regards, Konstantin _______________________________________________ Development mailing list Development@qt-project.org https://lists.qt-project.org/listinfo/development
