Hello, do you tested this in some latest distros? If it is ok now close
this bug please due this program
https://wiki.ubuntu.com/BigDesktopBugScrub
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Allright. I have tested with 12.10 a little. The problem is still there
but the games run ways better than in 12.04. With "redirect fullcreen
windows" fullscreen games run with no stuttering at all. Without this
option there is still stuttering but it's as I said much better, same
for games which d
Swapping speed settings appears to only work some of the time. When a
game is running, the desktop effects become incredibly slugging (5-10fps
range), but the game will continue at an uninterrupted framerate.
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Off what Mr. Spilsbury said, I tried setting the nVidia drivers to
"prefer maximum performance" and the desktop is 100% silky smooth. When
left on the default of adaptive the sluggishness returns. Not sure if
that's significant. The only effect that runs smoothly on adaptive is
the alt-tab switcher
Games are running *GREAT* at the moment. It's only desktop effects that
are the problem. I'm going to keep using 12.10 now since games run even
better than on Unity2D in 12.04, but the sluggish desktop effects
continue to persist.
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Hi James,
Note that the smoothness here comes from the fact that your GPU is
probably upclocking on some of the more intense effects, this will lead
to a visible framerate boost.
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> The workaround of turning off vsync, detection of refresh rate, and
setting the refresh rate of compiz to 120+ no longer has any visible
effect.
That was't really a workaround, it just reduced the stuttering a little.
Probably Compiz has become even worse. A real workaround is to dump
Unity and
An odd observation, performance on some minor effects, like window
expansion in the alt-tab switcher (where it blows up the icon into the
animated window preview) runs very smoothly all the time. Window expo
will sometimes be smooth and other time run very poorly; the same
applies to the workspace
(Apologies for the broken up posts.) The workaround of turning off
vsync, detection of refresh rate, and setting the refresh rate of compiz
to 120+ no longer has any visible effect.
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Unredirect fullscreen windows fixes the issue for fullscreen
applications. However, somewhat sluggish desktop performance persists,
however I have yet to reproduce uneven screen redraws in windowed games
that I can see in the Unigine Heaven demo.
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I just installed the latest daily of the beta, and the problem persists
just as before on 12.04. The desktop performance with the latest updates
has improved things back to the point of being equal to 12.04.
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Thanks very much for that heads up. I'll try again as soon as I can, but
since my laptop with nVidia graphics is also my main work computer it
may be awhile before I have another good opportunity to test a full
install of 12.10. =(
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All,
Compiz 0.9.8.0 - 0.9.8.2 in Ubuntu 12.10 contains a regression of nvidia
bug 92599 which will cause slow/stuttering screen redraws. Please look
at bug 92599 for a workaround.
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I gave 12.10 with the latest compiz available from the updater a try,
though I do not know the exact version number. Everything on the system
ran very slowly even after installing any version of the nvidia driver
package (current/current-updates/current-experimental). I know it's an
early beta, but
All,
Please remember, if you're using Ubuntu 12.10 or later, and have Compiz 0.9.8.2
or later then the recommended way to get optimal graphics performance in
fullscreen games is:
CCSM > Composite > Unredirect Fullscreen Windows = ON.
But make sure you have compiz 0.9.8.2 or later. Otherwise i
I'd like to again echo namelezz on the refresh rate settings. I think
the most annoying is the slight stuttering that can occur at what should
be very playable framerates. Nothing new to add, just confirming the
same behavior, though I'm down to just my 660m and could not test on the
460.
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** Changed in: compiz
Status: New => Confirmed
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Title:
Stuttering in games with high fps and Nvidia
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I need to revise my last observation. After some tests I think that
deactivating of Vsync or "Force fullscreen redraws on repaint" doesn't
help. But I think the stuttering is somehow bound to the refresh rate
set in Compiz. I have tested Trine 2 with the following settings...
Gnome-Classic with no
** Tags added: nvidia-is-slow
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Title:
Stuttering in games with high fps and Nvidia
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I have this issue in a GeForce 460 and a 660M, my experience on both
machines matches namelezz *exatly*.
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Title:
Stuttering in games with high fp
I have played a little with the settings again and I found the cause.
You can get stuttering with activated Vsync in Compiz or with "Force
fullscreen redraws on repaint". It's a dilemma. With Vsync on tearing is
gone and without the second option Compiz has graphical glitches and
stuttering. But bo
pidof compiz gives 3075 and yes, I can verify it. Gnome Classic = Gnome
Fallback, I mentioned it already to exclude Unity3D as the problem. Just
take a look at every 3D game you can find which runs with 30-60fps what
should be actually smooth. But it's not with Compiz. To compare Compiz
with other
namelezz,
Sorry, I can't see where you mention Gnome Classic at all. But you can
confirm that the same problem exists in Gnome Classic (compiz without
unity)?
Could you please log in to Gnome Classic, retest, and run "pidof compiz"
to verify compiz is running?
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I tested it with Gnome Classic as already mentioned in the description,
so that's why I set it as a Compiz issue, because I have it there too.
And I tested it with Gnome Shell with Mutter, no problems there.
I think the priority should be high on this one because Steam is coming
to Ubuntu. And if
namelezz,
No I cannot reproduce the issue. And I am too busy to test games. I know
Metacity renders much faster than Compiz and that's something I hope
we'll have time to look at before 12.10.
As per comment #35, please test Gnome Classic (with effects, which is
compiz).
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I have observed it a little playing Trine 2. I don't think that the
games run with low fps, fps are fine as shown in game and in the compiz
benchmark. I think compiz skips a lot of frames. Usually when a game
runs with low fps the input is a little laggy because it's delayed but
in this case the in
Paulo,
Please test Gnome Classic (with effects, which is compiz). If it is
better than in Unity then you actually have bug 988079.
Also, if "100 fps gameplay is stuttery" then it sounds like your actual
physical frame rate is much lower than 100. Please using CCSM to enable
and configure the Benc
I have exactly the same performance problems with a gtx680 running
ubuntu 12.04.
Running Trine 2 with vsync on gives me 40 fps and 100 without vsync
(enabled on nvidia cp). But even at 100 fps gameplay is stuttery.
Also, a curious observation, when unredirect full screen window is
enabled I get 4
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: compiz (Ubuntu)
Status: New => Confirmed
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Title:
Stu
Already tried. I also set refresh rate manually and went through some
bugs here looking for workarounds, nothing helped. Can you actually
reproduce it?
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Please try the workaround listed here, if not already:
https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/92599
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Title:
Stuttering in games wi
** Changed in: compiz
Status: Incomplete => New
** Changed in: compiz (Ubuntu)
Status: Incomplete => New
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Title:
Stuttering in gam
FPS shown in the benchmark window is the same as the fps of the games,
tested with Minecraft and Trine 2, although the fps of Compiz is limited
to 60 (because of VSync). So still a lot of stuttering with the
identical fps.
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B
By the way, when running compiz you should ignore the frame rates
reported by applications because they're not real. Compiz is a
compositor which kind of means it virtualizes rendering. To get the real
frame rate you're seeing, you should try the Benchmark plugin (from the
compiz-plugins-extra pack
No difference. I have tested it with two games, Minecraft and Trine 2,
because you can see the frames per second ingame. You can use them too
if you have a Nvidia GPU. When I start Trine 2 with Compiz (Unity or
Fallback with Compiz), I have ca. 40fps but it feels more like 15-20.
When I start the g
In theory you can get maximum performance for fullscreen windows if you set
"unredirect fullscreen windows" in CCSM. But beware that option is broken right
now and requires a workaround before it's safe to use:
https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/980663
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Ok, it worked. I think you should investigate this issue. With Steam
coming to Ubuntu this could be a serious problem for users with Nvidia.
The games are really unplayable, see the video as example, although the
fps are fine, so this could end with bad gaming experience.
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apport information
** Tags added: apport-collected compiz-0.9 precise ubuntu
** Description changed:
Problem: While playing a game with high fps (>30), which should be
smooth, the game stutters. For example, when I play Minecraft, which
usually runs with 40-80fps (you can see the frames pe
Please try apport-collect 1029085 again.
It might work now that I've fixed up the Affects column.
** Also affects: compiz (Ubuntu)
Importance: Undecided
Status: New
** Changed in: compiz (Ubuntu)
Status: New => Incomplete
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** Also affects: ubuntu
Importance: Undecided
Status: New
** No longer affects: ubuntu
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Title:
Stuttering in games with high fps and N
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