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List: kde-optimize
Subject: Re: Let's break this silence
From: Allan Sandfeld Jensen <kde () carewolf ! com>
Date: 2010-11-29 16:20:12
Message-ID: 201011291720.12975.kde () carewolf ! com
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On Monday 29 November 2010, Erik wrote:
> 2010-08-21 13:57, Ingo Klöcker skrev:
> > On Saturday 21 August 2010, Erik wrote:
> >> 2010-08-21 07:21, Mohammad Ebrahim Mohammadi Panah skrev:
> >>> Why am I here?
> >>> I'm dissatisfied with KDE performance, CPU-wise, memory-wise, etc.
> >>
> >> The most annoying performance regression in KDE4 is the
> >> logout/shutdown dialog. When I press Ctrl+Alt+Delete it takes about
> >> 6 seconds for KDE to react by showing a simple dialog box with 4
> >> buttons!
> >
> > 2 seconds on my system.
> >
> >> Then it takes 2 seconds to move focus to between the
> >> buttons with the down arrow key!
> >
> > There is no such delay on my system.
> >
> >> It is not a cache issue, because if
> >> I close it and press Ctrl+Alt+Delete, it takes 6 seconds again.
> >
> > Please try whether disabling desktop effects helps. Maybe the graphics
> > card driver is the problem.
>
> I have now switched from nv to nouveau and such delays are gone!
> Unfortunately the icons in the taskbar, their tooltip borders and the
> icons in the Alt+Tab window are corrupted (see attached screenshot).
See bug 30135: https://bugs.freedesktop.org/show_bug.cgi?id=30135
Btw. I recently also switched from nvidia driver to nouveau, the biggest
difference is that Xorg now consumes less than 40Mbyte of resident memory,
where it before consumed more than 240Mbyte (increasing over time). Also every
single KDE application individually also consumed a lot more memory with the
nvidia driver, plasma-desktop: 200Mbyte with nvidia driver, 21Mbyte with
nouveau.
Regards
`Allan
[Attachment #5 (text/html)]
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</style></head><body style=" font-family:'Monospace'; font-size:11pt; \
font-weight:400; font-style:normal;"> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">On Monday 29 November 2010, Erik wrote:</p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> 2010-08-21 13:57, Ingo \
Klöcker skrev:</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > \
On Saturday 21 August 2010, Erik wrote:</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> >> 2010-08-21 07:21, Mohammad \
Ebrahim Mohammadi Panah skrev:</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> >>> Why am I here?</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> >>> I'm dissatisfied with KDE \
performance, CPU-wise, memory-wise, etc.</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> >> </p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> >> The most annoying performance \
regression in KDE4 is the</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> >> logout/shutdown dialog. When I press Ctrl+Alt+Delete \
it takes about</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> \
>> 6 seconds for KDE to react by showing a simple dialog box with 4</p> <p \
style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> >> buttons!</p> <p \
style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > </p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > 2 seconds on my \
system.</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > \
</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> >> Then it takes 2 \
seconds to move focus to between the</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> >> buttons with the down arrow \
key!</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > \
</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > There is no such \
delay on my system.</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> > </p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> >> It is not a cache issue, because if</p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> >> I close it and \
press Ctrl+Alt+Delete, it takes 6 seconds again.</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> > </p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> > Please try whether disabling desktop \
effects helps. Maybe the graphics</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> > card driver is the problem.</p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> </p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> I have now switched from \
nv to nouveau and such delays are gone!</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> Unfortunately the icons in the taskbar, \
their tooltip borders and the</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> icons in the Alt+Tab window are corrupted (see attached \
screenshot).</p> <p style="-qt-paragraph-type:empty; margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;"></p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">See bug 30135: \
https://bugs.freedesktop.org/show_bug.cgi?id=30135</p> <p \
style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"></p> <p \
style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Btw. I recently also switched \
from nvidia driver to nouveau, the biggest difference is that Xorg now consumes less \
than 40Mbyte of resident memory, where it before consumed more than 240Mbyte \
(increasing over time). Also every single KDE application individually also consumed \
a lot more memory with the nvidia driver, plasma-desktop: 200Mbyte with nvidia \
driver, 21Mbyte with nouveau.</p> <p style="-qt-paragraph-type:empty; margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;"></p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">Regards</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">`Allan</p> <p style="-qt-paragraph-type:empty; \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;"></p></body></html>
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