Compiz has a Benchmark plugin in the compiz-plugins-extra package.
However in my experience it is grossly inaccurate and does not represent
the current frame rate that compiz is actually achieving.
The frame rate that compiz tries to use is determined by the Composite
settings: Detect Refresh Rate
I'm now getting 50-52fps. Still no rhyme nor reason to this!
Is there a way I can get any useful debugging output, eg to see what
compiz is treating as the frame rate or where it is waiting for
something before drawing to the screen? I've turned off both ccsm flags
that say 'Sync to VBlank' but su
@Chauncellor, it sounds like your nvidia system simply has the wrong
frame rate. Please check your nvidia control panel to verify
DynamicTwinView is indeed turned off. Please also try Detect Refresh
Rate = off, and set the correct Refresh Rate manually in CCSM.
Failing all that, if you continue to
@vanvugt: I suspect that some of the aforementioned 'workaround' plugin
options have fixed the issue with my intel i915 laptop card but none of
these workarounds have worked on my nvidia card. Still really terrible
window dragging. :/
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I may have spoken too soon. The performance issues have returned, even
using the Compiz workarounds. It first started occurring when I setup my
email account in Thunderbird 7 and started synchronizing. Then I noticed
it when I was streaming a HD video from my NAS drive. Now it's the same
as it was
I reverted to the oneiric compiz drivers (thanks for the script, btw)
and rebooted and now I get 40-45fps in glxspheres. But not yet 59fps.
If I redirect the glxspheres window (I suspect it means unredirect) via
Extra WM Actions, it can manage 59fps (it could before when it was only
doing 30fps no
I tried turning detect frame rate off and setting the frame rate
manually to 120 (my monitors both report 59.9 or 60 Hz refresh), but it
hasn't helped. Sync to VBlank doesn't help the glxspheres framerate
either. It really is most odd, because up until yesterday it would quite
happily run at 59.x f
FYI, on my Sandybridge graphics using "Force full screen redraws (buffer
swap) on repaint", I found graphics were most smooth if I also disable
"Sync To VBlank". That also disables the fix from my PPA, so you don't
really need the PPA unless you have ATI/AMD graphics.
Also, the Intel graphics are
Rocko, that "unsightly tearing" is bug 880707.
As for your ongoing framerate problems, I suspect a major factor is compiz
starting to draw each frame at an inappropriate time, like very close to the
start of the monitor's vertical refresh. I think the fix for that in future
will be to enhance c
Enabling "Force full screen redraws (buffer swap) on repaint" makes
moving windows better for me, too - it stops unsightly tearing occurring
around the window border during the move.
I've now got the 3d-performance degradation bug persistently, ie
competely reproducibly between reboots. So it sure
Enabling "Force full screen redraws (buffer swap) on repaint" has made
a world of difference to me. It works well without my PPA, but works
even better (even smoother) with my PPA.
Thanks for the pointer Scott. You made my day.
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@Chauncellor, your log suggests you *might* have a leak-related
slowdown. But the leak is not rapid enough to be sure. Please try the
suggestion in comment #40.
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Well spotted Scott. I hadn't looked at the Workarounds section for a
very time and didn't know it had syncing options.
I suggest you will get the best performance using the workaround option
"Force full screen redraws (buffer swap) on repaint", but if will
perform well ONLY if you have ppa:vanvugt
And in fact a full system reboot hasn't helped, either. glxspheres is
running at 30-40fps.
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Title:
compiz 3d performance regression
To manage not
I have reproduced the problem with the PPA version of compiz. It was
*much* harder to reproduce it with the PPA version, though.
I think it might be related to memory stress - my system ran out of RAM
and was using swap heavily, glxspheres dropped to around 40fps, and
compiz was only reported as u
I think I have found a solution to this. On my Sony Vaio VPCF11S1E
running an nVidia 330M, I did this:
1. Start CompizConfig Settings Manager.
2. Type in "workaround" in the filter text box.
3. Tick "Fix screen updates in XGL with fglrx".
4. Tick "Force synchronization between X and GLX".
I have
** Attachment added: "log.txt"
https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/861061/+attachment/2579449/+files/log.txt
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Title:
compiz
I was away from the affected machine for the weekend. I've gotten it to
the point of intolerability. I'll upload the log I made.
beginning: 746556 176164
end: 878552 255664
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I installed the 285 and 290 (beta) drivers, but the problem persists in
11.10.
I did a fresh install (and applied all updates) to Ubuntu 11.04 and no
longer suffer from this problem.
I'm going to stick to 11.04 for the time being. Hope this problem is
solved soon as 11.10 is fantastic (other than
I've set a cron job to log ps auxw every hour. It hasn't gotten to
intolerable proportions yet, so I'll wait until reporting that. However,
I have noticed the VSZ and RSS columns moving upward.
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I believe the jerky window moving problem is a bug in unity-window-
decorator. That's my suspicion anyway. I noticed the same bug, but it
too vanished mysteriously after a while and hasn't come back for many
days.
Someone has probably already logged that bug elsewhere if you care to
dig deep enoug
OK, I'll keep testing the PPA version for a while first.
With the PPA version, I did encounter the 'jerky' animation while moving
windows problem again, ie where you move the mouse but the window only
moves every twenty pixels or so of mouse movement (and sometimes it will
freeze and wait until yo
If you ever want to revert to the original compiz version, you could try
a script like the one I use. Something like this:
sudo apt-get install compiz/oneiric compiz-core/oneiric compiz-
gnome/oneiric compiz-plugins/oneiric libdecoration0/oneiric
libdecoration0-dev/oneiric
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Rocko, after you have established the bug has gone away, please try
reverting to the original version of compiz and see if it comes back. If
it does come back reliably without my PPA fix then it will be safe to
mark this as a duplicate of bug 763005.
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Almost a day later the PPA version of compiz is still performing nicely
even after a few suspend/resume cycles (this is on an Intel GPU). I
haven't noticed any UI slowdowns and the slowest that glxspheres has
shown is 58fps.
There have been a couple of issues, which may not be related:
* Unity cr
I have some more observations:
1. I tried gnome-shell for a day, and at one point glxspheres was
suffering in performance, but not as badly as under compiz. The
animation was periodically freezing for a half second - it would then
report one (say) 40fps reading, and then immediately jump back to 5
@Chauncellor, I'm not sure if this is the right bug for you, but I can't
suggest a more appropriate one either. Certainly the reporter of this
bug describes similar performance degradation to yours.
Video performance bugs are very messy. Unless there is an easy switch or
workaround to try then mos
I'll do that. Is this the correct bug report to go on? There are so many
bug reports that I'm not sure which one to really post to. Performance
is just fine at first but becomes unbearable after many hours. And this
is on a higher-end machine (gtx 560, 8 gb ram, etc.)
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Performance degrading slowly over time could be a resource leak of some
sort.
If you find performance gets worse over time, try noting how much memory
compiz is using when you first log in and compare it to when performance
has degraded. You can get the memory usage from:
ps auxw | grep compiz
I added the ppa and have been using it for a few days. I have observed
that there is no performance boost from my desktop effects. Actual
gaming, I don't know.
I have also tried all vsync fiddling, triple buffering settings, etc.
etc.
Long story short: Performance is awesome after boot. Just dand
I think it is worth trying the fix I proposed for bug 763005. Even if
you don't have the symptoms of that bug, you will in theory still get a
compiz performance boost from the fix. Whether or not the improvement is
noticeable for you remains to be seen.
You can try the fix by adding ppa:vanvugt/co
And compiz is currently at version 0.9.6+bzr20110929-0ubuntu5.
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Title:
compiz 3d performance regression
To manage notifications about this bug go
Here's Xorg.0.log for the currently slow-running system. TripleBuffers
is turned off, but SwapBuffers wait is enabled.
** Attachment added: "Xorg.0.log"
https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/861061/+attachment/2568086/+files/Xorg.0.log
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Intel here: Bug #763005 isn't a problem (the animation is fast and
smooth whether or not glxspheres shows low frame rates) and Option
"TripleBuffer" "false" (with or without sync to vblank) doesn't fix it.
The low frame rates aren't consistent. Often (well, usually) immediately
after X starts, glx
Nvidia here. All workarounds in bug 92599 did not work.
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Title:
compiz 3d performance regression
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ht
AMD/ATI and Intel users: Please check if you have bug 763005 before
thinking you have this one.
NVIDIA users: Please try the workaround in bug 92599 first.
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You will probably also need to turn off "Sync To VBlank" in compiz
before you can test if TripleBuffer=false is fixing the problem.
To turn off "Sync To VBlank", please install the package "compizconfig-
settings-manager", run "ccsm" and turn it off in the OpenGL section.
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Thank you for taking the time to report this bug and helping to make
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As these performance issues are often specific to a graphics driver, we
should initially focus on the graphics hardware this bug was reported
on: Intel Corporation 2nd Generation Core Processor Family Integrated
G
I'm glad I found this post. I'm experiencing the same problem on three
different machines running Ubuntu 11.10:
1. a Sony Vaio VPC F11S1E (GeForce GT330M),
2. a generic AMD A8 Fusion box with a GeForce GTX460, and
3. an iMac (2009 model) with a GeForce 9400.
The symptoms are: from start, things
I already have "unredirect fullscreen windows" checked (but I don't
think should affect glxspheres in any case since it isn't a fullscreen
window).
After a complete system reboot I can sometimes get ~60 fps in
glxspheres. But it gradually (or some cases, suddenly) regresses.
I have noticed that w
Same here about performance in 3D applications like games or 3D-accel-programs.
What helped out a good way was to activate the "unredirect fullscreen windows"
checkbox in CCSM under "Composite".
Since that I can run glxsphere in good stable rates, I also can play
OilRush in average FPS. Before th
I had to run "unity --reset" to fix a bug in the way it was handling
windows, and now the performance is back to being woeful.
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Title:
compiz 3d p
Same here, good performance right after startup, but it slows down
(probably after suspend and resume, or VT switch, or when a game exits).
I might have to run some more tests, to identify precisely what causes
performance drop.
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Or at least it's mostly fixed. Immediately after logging in, I get 59.x
fps in glxspheres: after unity crashes and restarts, I might get 30-35
fps again.
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After my system updated to compiz 1:0.9.6+bzr20110929-0ubuntu1 and unity
4.20.0-0ubuntu1 I'm now getting just under 60 fps with glxspheres again
on my Intel chipset (and 110 fps on the nvidia chipset), so for me it is
fixed now.
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I disabled DynamicTwinView in the Xorg configuration file, disabled Compiz
refresh rate detection, and i did set it manually to the real refresh rate
(60fps).
The bug is still not fixed : I'm still getting half the fps i have in Gnome
Shell and Unity 2D.
On my nvidia 8400m GS GPU, that makes al
Yes indeed, and moreover the problem is due to a very recent change in
compiz. I only discovered glxspheres a couple of weeks ago, and when I
first ran it I was getting 59.xxx fps with the (beta 1) Oneiric version
of compiz.
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Yes indeed, that setting doesn't make a difference for me too. I have
also tried a number of other solutions (like changing SwapbuffersWait in
xorg.conf) that also didn't work.
Based on the above, IMHO, i believe that the problem is something that
changed inside compiz between Ubuntu 11.04 and 11.
I looked at #763005, and that bug indicates it's a problem in compiz's
sync-to-vblank implementation. Changing that setting makes no
appreciable difference for me, though.
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: compiz (Ubuntu)
Status: New => Confirmed
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Title:
comp
I also see exactly the same behavior with Oneiric's Compiz and Radeon HD
3200 (AMD 780G chipset's integrated graphics). Compiz is a lot
slower/laggier than it was in 11.04.
Testing with glxgears (leaving the glxgears window in its default size)
on latest Ubuntu 11.10:
Compiz is at around 33-42 FP
** Description changed:
- A recent update to compiz in oneiric has had a big import on 3d
+ A recent update to compiz in oneiric has had a big impact on 3d
performance. The desktop feels more sluggish, and the glxspheres
benchmark indicates about half the performance compared to metacity and
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