https://bugs.kde.org/show_bug.cgi?id=448593
--- Comment #13 from 319513...@outlook.com <319513...@outlook.com> --- Hi, I had do some changes at new brach: https://github.com/cathaysia/digikamflowplugin/tree/data_loading I use ManagedLoadSaveThread to loading images, it makes my codes more clear. However, I can't get more performance. To be exact, my plugin become slower, and eat more memory. At the first case, I use threads by threadpool: https://github.com/cathaysia/digikamflowplugin/blob/27f3d310e5dc22a7aab28f771cf8ce0236734f31/src/PicFlowView.cpp#L205 and a thread deal 3 QPixmap: https://github.com/cathaysia/digikamflowplugin/blob/27f3d310e5dc22a7aab28f771cf8ce0236734f31/src/PicFlowView.cpp#L208 For the second, I scale images when it's size beyond 1920x1080: https://github.com/cathaysia/digikamflowplugin/blob/27f3d310e5dc22a7aab28f771cf8ce0236734f31/src/PicFlowView.cpp#L187 Because all cpu works be done in sub-threads, so it's quickly. But when I use ManagedLoadSaveThread, what can I do seems just: 1. use LoadingModeShared: https://github.com/cathaysia/digikamflowplugin/blob/f5e575639341dbc6656740bc90f7016739c64eb9/src/picdialog.hpp#L38 2. use PreviewSettings::fastPreview() : https://github.com/cathaysia/digikamflowplugin/blob/f5e575639341dbc6656740bc90f7016739c64eb9/src/picdialog.cpp#L61 But both them can't obtain significant profit. If you try plugins that compiled by two branchs, you will find master branch better than data_loading branch. -- You are receiving this mail because: You are watching all bug changes.
