[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #50 from Clésio Luiz  ---
I opened the bug, but a couple weeks ago my card died, so I cannot provide info
anymore.

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

Xavier Sellier  changed:

   What|Removed |Added

 CC||xsell...@gmail.com

-- 
You are receiving this mail because:
You are the assignee for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #49 from Michel Dänzer  ---
Seems like there are various different issues at play here. The bottom line is:
Don't expect your issue to get fixed without bisecting it.

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #48 from alvarex  ---
edit: It's from september the 6th not from the 7th.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are the assignee for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #47 from alvarex  ---
*edit* I get 50 fps we newer kernel 4.8rc5; with kernel 4.8rc5 and Mesa 12.0.2
the performance is the same.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are the assignee for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #45 from Clésio Luiz  ---
Padoka PPA finally updated, version 2.1~git1600912162600.546bc07~x~padoka0.

Here the bug continues. This time a take the time to test in various games.
Valve's Source Engine take less hit by this bug, only about 50% loss in
performance. But others, like American Truck Simulator and Unigine Valley take
a 70/80 % hit in loss of performance, both cannot pass 10/12 FPS in a beefy
Core i7 and a R9 290.

I tested in kernel 4.7.3 and 4.8-RC6.

--- Comment #46 from alvarex  ---
I have hit this bug too with r7 260x. I don't have time for bisecting but with
Mesa from 7th september the perfomance is fine . I ve also noticed some
perfomance delta dif between the 12.0.2 release and git from september 7th .
With dirt showdown with kernel 4.6.7 and LIBL_DRI3_DISABLE, I get an average of
35~30 framerates with Mesa from 7th september I get 50 fps. 
Anyway here I have setup a repo if someone else on Opensuse is hitting the same
bug. 

https://build.opensuse.org/package/show?project=home%3Aalvarex%3Abranches%3Ahome%3Apontostroy%3AX11=Mesa

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #44 from Jos van Wolput  ---
(In reply to Michel Dänzer from comment #39)
> Anyway, please test the patch I attached to bug 97549.

Fixed on my hardware, thanks!

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

Kai  changed:

   What|Removed |Added

 CC|k...@dev.carbon-project.org  |

--- Comment #43 from Kai  ---
(In reply to Dieter Nützel from comment #42)
> Hello Kai et al.,
> 
> can you please retest with current Mesa git master (dc3bb5d).
> And let us know if R9 290 low performance regression is fixed for you, too?

My regression was fixed with 1e3218bc5ba2b739261f0c0bacf4eb662d377236, see eg.
comment #28. Michel didn't remove the "always three buffers" part so no need to
retest anything.

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #42 from Dieter Nützel  ---
Hello Kai et al.,

can you please retest with current Mesa git master (dc3bb5d).
And let us know if R9 290 low performance regression is fixed for you, too?

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #41 from Dieter Nützel  ---
With Marek's latest Mesa commits (0d7ec8b) it helps even more.
The regression with 'glxgears' and 'objview/bobcat.obj' is much bigger and
FIXED with your patch from bug 97549.

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #40 from Dieter Nützel  ---
(In reply to Michel Dänzer from comment #39)
> It would have been better to file new reports instead of adding comments
> here.

Sorry for that Michel.
I've appended it here because it overlap with attachment 125838
https://bugs.freedesktop.org/attachment.cgi?id=125838
and your related from patchwork
https://patchwork.freedesktop.org/patch/106274
Comment #26.

> Anyway, please test the patch I attached to bug 97549.

I did.

FIX the former two on _my_ hardware.
Except Blender, but that was expected...

So you have my T-b.

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #39 from Michel Dänzer  ---
It would have been better to file new reports instead of adding comments here.

Anyway, please test the patch I attached to bug 97549.

--- Comment #38 from Dieter Nützel  ---
I got regression wtih 1e3218b... (loader/dri3: Overhaul dri3_update_num_back)
on Turks XT/Ni 6670

for

glxgears: ~5600 fps -> ~2600 fps (~50%)

mesa-demos/objviever 'bobcat.obj': 1415 fps -> ~1300 fps (~8%)

and flickering with Blender 2.76b
'User Preferences...' -> 'Window Draw Method' 'Automatic'
Which is solvable by changing the  'Window Draw Method' to 'Triple Buffer'
and is an app bug like Michel Dänzer told in Bug 97059.

All three are fine, again with 1e3218b reverted.

--- Comment #37 from Dieter Nützel  ---
Have a look at Bug 97549, too.

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #36 from Jos van Wolput  ---
Since your patch 1e3218bc... (loader/dri3: Overhaul dri3_update_num_back),
vblank_mode=0 glxgears shows a performance regression of about 30% of what I
got
before your patch was applied.

I am using Debian/Sid with
GL_RENDERER   = Gallium 0.4 on AMD RS780 (DRM 2.45.0 /
4.7.0-2.1-liquorix-amd64, LLVM 3.9.0)
GL_VERSION= 3.0 Mesa 12.1.0-devel (git-cee459d8)
libGL: OpenDriver: /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
libGL: Using DRI3 for screen 0

Reverting your patch to the previous state fixes this issue.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are the assignee for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

Vedran Miletić  changed:

   What|Removed |Added

 CC||ved...@miletic.net

-- 
You are receiving this mail because:
You are the assignee for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #35 from Michel Dänzer  ---
(In reply to Clésio Luiz from comment #32)
> The package xserver-xorg-video-ati from his PPA is from 08/24 though.

That doesn't matter; Mesa does, and it looks like it should have my change.

It would be interesting if setting draw->num_back = 4 in dri3_update_num_back
helps, but otherwise we really need someone who can still reproduce the problem
to bisect the kernel.

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #34 from nadro-li...@wp.pl ---
Sorry for a wrong information in my previous post, it looks like I had problems
with 'forced vblank_mode to 1' in some apps. I downloaded fresh kernel 4.8rc3
from Ubuntu Kernel PPA + Mesa from Padoka PPA and all works fine at now. (I
tested Shadow of Mordor and OpenMW with vblank_mode set to 0 and 1).

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #33 from nadro-li...@wp.pl ---
I didn't test mesa with provided patch, but I always run games with
vblank_mode=0 (most of the time via game menu options -> Vsync disabled) and
DRI3 enabled, so it looks like provided mesa patch will not fix issues on my R9
380 (I still use kernel 4.8 RC1 without async page flip). I see big regression
eg. in Shadow of Mordor and OpenMW, but IIRC Metro 2033 and LL (both Redux)
were affected too.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are the assignee for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #32 from Clésio Luiz  ---
Padoka updated (mesa 12.1~git1600826212300.cf7be70~x~padoka0), so I made a test
with kernels 4.7.2 and 4.8 RC3. The problem persist.

The package xserver-xorg-video-ati from his PPA is from 08/24 though.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are the assignee for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #31 from Michel Dänzer  ---
(In reply to Clésio Luiz from comment #30)
> Well, I'm too much a newbie to compile those things (I'm using Ubuntu...).

The change is in Mesa Git master now, so you can test it with a PPA using that.

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #30 from Clésio Luiz  ---
Well, I'm too much a newbie to compile those things (I'm using Ubuntu...). But,
if you point me to some documentation I can test it in a clear install in
another HDD.

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #29 from Michel Dänzer  ---
(In reply to Kai from comment #28)
> For me it doesn't matter if I set vblank_mode=0 or not. With your patch
> applied I'm getting 30 FPS in XCOM 2 either way [...]

Right, the point being that you were getting 30 FPS even without the patch with
sync-to-vblank disabled (which is equivalent to vblank_mode=0). So the issue
you were seeing may not be exactly the same as the one reported on Phoronix,
and possibly not the same as the one seen by Clésio.

Clésio (or anyone else who thinks they ran into the same problem), does this
patch fix the problem you were seeing?

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #28 from Kai  ---
(In reply to Michel Dänzer from comment #27)
> (In reply to Kai from comment #26)
> > (In reply to Alex Deucher from comment #25)
> > > Is anyone still having issues with vblank_mode=0?
> > 
> > With or without Michel's patch
> > (), [...]
> 
> My patch doesn't have any effect with vblank_mode=0, which is why Alex
> asked.

Ah, ok. That wasn't clear to me.

> However, if there are still issues with that, I'd like them to be
> tracked in a separate report, ideally with an independent bisection
> confirming they started with the same kernel change.

For me it doesn't matter if I set vblank_mode=0 or not. With your patch applied
I'm getting 30 FPS in XCOM 2 either way (also doesn't matter if I enable VSync
in the game's options or not, though the FPS graph is smoother and closer to 30
FPS flat with VSync on).

This is with 4.7.2, LLVM r279473, Mesa a2ae67aa47 +
 and otherwise the stack
described in comment #22.

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #27 from Michel Dänzer  ---
(In reply to Kai from comment #26)
> (In reply to Alex Deucher from comment #25)
> > Is anyone still having issues with vblank_mode=0?
> 
> With or without Michel's patch
> (), [...]

My patch doesn't have any effect with vblank_mode=0, which is why Alex asked.
However, if there are still issues with that, I'd like them to be tracked in a
separate report, ideally with an independent bisection confirming they started
with the same kernel change.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are the assignee for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #26 from Kai  ---
(In reply to Alex Deucher from comment #25)
> Is anyone still having issues with vblank_mode=0?

With or without Michel's patch
(), which btw, still hasn't
landed despite the reviews?

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are the assignee for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #25 from Alex Deucher  ---
Is anyone still having issues with vblank_mode=0?

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are the assignee for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [Bug 97260] [bisected] R9 290 low performance in Linux 4.7

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=97260

Michel Dänzer  changed:

   What|Removed |Added

Version|unspecified |git
  Component|DRM/Radeon  |Mesa core
 QA Contact||mesa-dev@lists.freedesktop.
   ||org
Product|DRI |Mesa
   Assignee|dri-devel@lists.freedesktop |mesa-dev@lists.freedesktop.
   |.org|org

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.___
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev