
05-23-2007
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Re: Vista performance issue
With Task Manager or Process Explorer, shouldn't you be able to narrow down
the culprit to a particular task? I'm not quite sure what the kernel mode
reference means, but it would be more helpful if you broke CPU usage by
task.
"Stefan H." <hofman0b@googlemail.com> wrote in message
news:1179883214.815411.249390@w5g2000hsg.googlegro ups.com...
> Hi,
>
> I have just installed Windows Vista Business Edition and have noticed
> some performance issues in comparison with Windows XP, where
> everything works fine. CPU usage reaches 100% percent even if there is
> almost no activity. When I start an application CPU usage of that
> process is always 100%. When I scroll up and down in Notepad for
> example CPU usage is at least 40% (only Notepad) and some applications
> like Terratec Home Cinema (for watching tv) are unusable. I have
> disabled everything for testing (all visual effects/Aero, ReadyBoost,
> SuperFetch, Windows Defender, DEP and so on) but the problem persists.
> Process Explorer shows that most activity is taking place in kernel
> mode (at least 2/3 of CPU usage). But CPU usage of interrupts and DPC
> is <4%. I have the following system:
>
> Mainboard: Kudoz 7 (VIA ST266A chipset)
> CPU: Athlon XP 1,4 GHZ
> Graphics: ATI Radeon 9600 PCI (only AGP 4X)
> Memory: 1 GB RAM
>
> Windows Performance Index:
>
> CPU: 2,7
> Memory: 3,7
> Graphics (Aero): 2,9
> Graphics (Games): 3,4
> Harddisk: 5,1
>
> I know that my PC is not the best one. But even large Java Swing
> applications under Windows XP (like Netbeans IDE) where faster then
> Notepad is in Windows Vista. I think something is wrong in kernel
> mode. Is there any (new security) feature I can disable to increase
> performance ?
>
> Thanks
> Stefan
>
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