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-   -   kwin-4.7.1-0ubuntu2~ppa1 needs testing (http://www.linux-archive.org/kubuntu-development/574711-kwin-4-7-1-0ubuntu2-ppa1-needs-testing.html)

Romain Perier 09-12-2011 06:58 PM

kwin-4.7.1-0ubuntu2~ppa1 needs testing
 
Evening,

Yesterday bulldog98 has packed and uploaded
kde-workspace-4.7.1-0ubuntu2~ppa1 into kubuntu-ppa/experimental.
This package contains an important performance related bugfix for kwin,
see
https://projects.kde.org/projects/kde/kde-workspace/repository/revisions/e142a1a142cbc8b87f021223e6abc947f456a7f9
.
This package needs testing before being moved to the archives. Please
test it and report any issues.


Thanks in advance,
Regards,
Romain


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Clay Weber 09-13-2011 03:30 AM

kwin-4.7.1-0ubuntu2~ppa1 needs testing
 
On Monday, September 12, 2011 08:58:22 PM Romain Perier wrote:
> Evening,
>
> Yesterday bulldog98 has packed and uploaded
> kde-workspace-4.7.1-0ubuntu2~ppa1 into kubuntu-ppa/experimental.
> This package contains an important performance related bugfix for kwin,
> see
> https://projects.kde.org/projects/kde/kde-
workspace/repository/revisions/e14
> 2a1a142cbc8b87f021223e6abc947f456a7f9 .
> This package needs testing before being moved to the archives. Please
> test it and report any issues.
>
> Thanks in advance,
> Regards,
> Romain

Installed and seems working with no issues so far (7 or 8 hours of casual use)

What sort of things should we be looking for, positive or negative?
Would it be something worth mentioning in kubuntuforums' 11.10 board to get
more testing?

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http://emacdogsports.com


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Dan Chen 09-13-2011 11:47 AM

kwin-4.7.1-0ubuntu2~ppa1 needs testing
 
On Sep 12, 2011 11:31 PM, "Clay Weber" <claydoh@midmaine.com> wrote:

>

> What sort of things should we be looking for, *positive or negative?



Ditto. I normally have several dozen app/windows open, and the performance hitches I noticed before seem resolved. It would be nice to know which parameters to test, however.


Cheers,

-Dan

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Harald Sitter 09-13-2011 12:02 PM

kwin-4.7.1-0ubuntu2~ppa1 needs testing
 
On Tue, Sep 13, 2011 at 1:47 PM, Dan Chen <seven.steps@gmail.com> wrote:
>
> On Sep 12, 2011 11:31 PM, "Clay Weber" <claydoh@midmaine.com> wrote:
>>
>> What sort of things should we be looking for, *positive or negative?
>
> Ditto. I normally have several dozen app/windows open, and the performance
> hitches I noticed before seem resolved. It would be nice to know which
> parameters to test, however.

From Martin's top secret mail:
> During working for an optimization in 4.8 we noticed that we do deep non-const vector copies where a const
> at() operation was expected. This means that we have in each frame:
> 4x+5xy unneeded copy operations
> (x == number of loaded effects)
> (y == number of windows).

So on a stock kubuntu desktop we have something like 15 effects
activated, additionally say you have a browser, a music player and a
chat window (mind you, plasma is also a window ;)) that means per
frame you get 4*15+5*4=80 copies of effects, if you get 15 frames per
second (which would be mostly enough to perceive the desktop as
responsive) that means 15*80=1200 copies. You probably do not have 15
but >40 frames per second that means 3200 copies. Now I actually
forgot what I wanted to write about...
Ah right, so, if you turn on *all* kwin effects (or at least those
that load on your system) and open as many windows a possible, kwin
should not feel overly sluggish (movement of windows, resizing etc.).
Also all effects that worked with the old package should still work
with the new one.

http://blog.fishsoup.net/2011/06/13/benchmarking-compositor-performance/

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Romain Perier 09-13-2011 12:02 PM

kwin-4.7.1-0ubuntu2~ppa1 needs testing
 
Le 13/09/2011 13:47, Dan Chen a écrit*:




On Sep 12, 2011 11:31 PM, "Clay Weber" <claydoh@midmaine.com>
wrote:

>

> What sort of things should we be looking for, *positive or
negative?




Ditto. I normally have several dozen app/windows open, and the
performance hitches I noticed before seem resolved. It would be
nice to know which parameters to test, however.


Cheers,

-Dan







Just test that :

- Everything still works fine.

- There are no regressions

- Performances are better than before with a lot of effects loaded
and a lot of windows (the improvement done upstream is proportional
to the number of loaded effects and to the number of windows)



@Clay:* No it does not require to ask testing on kubuntuforums.



Regards,

Romain





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Clay Weber 09-13-2011 12:34 PM

kwin-4.7.1-0ubuntu2~ppa1 needs testing
 
On Tuesday, September 13, 2011 02:02:01 PM Harald Sitter wrote:
> On Tue, Sep 13, 2011 at 1:47 PM, Dan Chen <seven.steps@gmail.com> wrote:
> > On Sep 12, 2011 11:31 PM, "Clay Weber" <claydoh@midmaine.com> wrote:
> >> What sort of things should we be looking for, positive or negative?
> >
> > Ditto. I normally have several dozen app/windows open, and the
> > performance hitches I noticed before seem resolved. It would be nice to
> > know which parameters to test, however.
>
> From Martin's top secret mail:
> > During working for an optimization in 4.8 we noticed that we do deep
> > non-const vector copies where a const at() operation was expected. This
> > means that we have in each frame: 4x+5xy unneeded copy operations
> > (x == number of loaded effects)
> > (y == number of windows).
>
> So on a stock kubuntu desktop we have something like 15 effects
> activated, additionally say you have a browser, a music player and a
> chat window (mind you, plasma is also a window ;)) that means per
> frame you get 4*15+5*4=80 copies of effects, if you get 15 frames per
> second (which would be mostly enough to perceive the desktop as
> responsive) that means 15*80=1200 copies. You probably do not have 15
> but >40 frames per second that means 3200 copies. Now I actually
> forgot what I wanted to write about...
> Ah right, so, if you turn on *all* kwin effects (or at least those
> that load on your system) and open as many windows a possible, kwin
> should not feel overly sluggish (movement of windows, resizing etc.).
> Also all effects that worked with the old package should still work
> with the new one.
>
> http://blog.fishsoup.net/2011/06/13/benchmarking-compositor-
performance/
In that case, it is all working well then :D No sluggishness here.
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http://kubuntuforums.net
http://ubuntumaine.org
http://emacdogsports.com


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Rafael Belmonte 09-13-2011 12:53 PM

kwin-4.7.1-0ubuntu2~ppa1 needs testing
 
It is apparently working well also for me.

2011/9/13 Clay Weber <claydoh@midmaine.com>

On Tuesday, September 13, 2011 02:02:01 PM Harald Sitter wrote:

> On Tue, Sep 13, 2011 at 1:47 PM, Dan Chen <seven.steps@gmail.com> wrote:

> > On Sep 12, 2011 11:31 PM, "Clay Weber" <claydoh@midmaine.com> wrote:

> >> What sort of things should we be looking for, *positive or negative?

> >

> > Ditto. I normally have several dozen app/windows open, and the

> > performance hitches I noticed before seem resolved. It would be nice to

> > know which parameters to test, however.

>

> From Martin's top secret mail:

> > During working for an optimization in 4.8 we noticed that we do deep

> > non-const vector copies where a const at() operation was expected. This

> > means that we have in each frame: 4x+5xy unneeded copy operations

> > (x == number of loaded effects)

> > (y == number of windows).

>

> So on a stock kubuntu desktop we have something like 15 effects

> activated, additionally say you have a browser, a music player and a

> chat window (mind you, plasma is also a window ;)) that means per

> frame you get 4*15+5*4=80 copies of effects, if you get 15 frames per

> second (which would be mostly enough to perceive the desktop as

> responsive) that means 15*80=1200 copies. You probably do not have 15

> but >40 frames per second that means 3200 copies. Now I actually

> forgot what I wanted to write about...

> Ah right, so, if you turn on *all* kwin effects (or at least those

> that load on your system) and open as many windows a possible, kwin

> should not feel overly sluggish (movement of windows, resizing etc.).

> Also all effects that worked with the old package should still work

> with the new one.

>

> http://blog.fishsoup.net/2011/06/13/benchmarking-compositor-

performance/

In that case, it is all working well then :D No sluggishness here.

--

Clay Weber

http://kubuntuforums.net

http://ubuntumaine.org

http://emacdogsports.com





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Alex Fiestas 09-13-2011 09:49 PM

kwin-4.7.1-0ubuntu2~ppa1 needs testing
 
So far so good for me.


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Harald Sitter 09-14-2011 09:36 AM

kwin-4.7.1-0ubuntu2~ppa1 needs testing
 
I think we have enough feedback to move the patch into Oneiric.
Thank you everyone for testing :)

regards,
H

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09-15-2011 05:01 AM

kwin-4.7.1-0ubuntu2~ppa1 needs testing
 
On Sri 14 rujna 2011. 11:36:35 Harald Sitter wrote:
> I think we have enough feedback to move the patch into Oneiric.
> Thank you everyone for testing :)
>
> regards,
> H
Hi all!
This patch has been also backported to 4.6.5 so you could ship it to natty :)

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