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Old 10-05-08, 09:22 AM   #1
Lysius
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Join Date: Oct 2008
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Default scrolling playlist in Amarok 1.4.9 slow with 177.78 and IPP=2

I'm using 177.78 with a 8800 GTS 512 on Ubuntu Linux 8.04.
In Amarok 1.4.9 on KDE 3.5.9 IPP=2 lowers performance when scrolling the playlist (about 800 tracks) quite dramatically.

With IPP=1 I can move the scrollbar quite fast and it still feels quite fluid. When doing so, CPU load of Xorg goes up to 85% and amarokapp takes up to 45% (dual core cpu). When scrolling with the mouse wheel (as fast as I can), Xorg takes up to 25% of CPU.
When moving the scrollbar fast with IPP=2, CPU usage of Xorg hits 100%, the sroll bar jumps between locations and I can watch the playlist build up frame by frame (cpu load of amarokapp does not exceed 20%). When scrolling with the mouse wheel Xorg takes up to 80% cpu time and the analyzer bar freezes for a short amount of time (fluid with IPP=1).
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Last edited by Lysius; 10-09-08 at 11:33 AM.
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Old 10-09-08, 11:32 AM   #2
Lysius
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Default Re: scrolling playlist in Amarok 1.4.9 slow with 177.78 and IPP=2

Problem still exists with 177.80

The problem is also quite obvious if I move a second window over the playlist window. With IPP=2 the window leaves a wide white area behind that takes some time to be filled again, with IPP=1 the white area is barely visible.
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