Poor composting performance in KDE 4.3

[Anne Wilson]

On Thursday 15 October 2009 20:01:33 Dotan Cohen wrote:
> The wife's desktop is running KDE 4.3 on a fairly decent homebuilt
> machine: 2 gHz dual-core processor, 2 GB RAM, ATI graphics:
> $ lspci | grep ati
> 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8
> [Athlon64/Opteron] HyperTransport Technology Configuration
> 01:05.0 VGA compatible controller: ATI Technologies Inc Radeon HD 3200
>  Graphics
> 
> The composting effects are terribly slow, and many effects (Wobby
> Windows, Cover Switch) refuse to start. I have tried googling KDE4
> composting problems, but all I find are complaints and no solutions.
> Where can I start troubleshooting? The distro is Kubuntu 9.04, same as
> I run on my daily driver laptop with inferior hardware and no
> problems.
> 
> Thanks in advance for any ideas.
> 
Desktop effects were unusable on my ATi-video laptop until I changed the fade 
time, as described in http://userbase.kde.org/GPU-
Performance#Some_things_that_may_speed_up_any_card.27s_performance

It's no flyer, now, but perfectly usable.

Anne
-- 
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