* [Bug 108347] [regression, bisected] Performance drop in various games
@ 2018-10-12 17:29 bugzilla-daemon
2018-10-13 17:25 ` [Bug 108347] [regression, bisected] Performance drop in Tesseract bugzilla-daemon
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: bugzilla-daemon @ 2018-10-12 17:29 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=108347
Bug ID: 108347
Summary: [regression, bisected] Performance drop in various
games
Product: Mesa
Version: git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/radeonsi
Assignee: dri-devel@lists.freedesktop.org
Reporter: gr.muench@gmail.com
QA Contact: dri-devel@lists.freedesktop.org
Tesseract goes down from 402 to 385fps. (Using nir,sisched)
I saw other games too with a performance regression. But the impact is smaller.
Extended renderer info (GLX_MESA_query_renderer):
Vendor: X.Org (0x1002)
Device: AMD Radeon HD 7900 Series (TAHITI, DRM 3.27.0,
4.19.0-2-amd-staging-drm-next-git, LLVM 8.0.0) (0x6798)
Version: 18.3.0
Accelerated: yes
Video memory: 3072MB
Unified memory: no
Preferred profile: core (0x1)
Max core profile version: 4.5
Max compat profile version: 4.5
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.2
Memory info (GL_ATI_meminfo):
VBO free memory - total: 2876 MB, largest block: 2876 MB
VBO free aux. memory - total: 2966 MB, largest block: 2966 MB
Texture free memory - total: 2876 MB, largest block: 2876 MB
Texture free aux. memory - total: 2966 MB, largest block: 2966 MB
Renderbuffer free memory - total: 2876 MB, largest block: 2876 MB
Renderbuffer free aux. memory - total: 2966 MB, largest block: 2966 MB
Memory info (GL_NVX_gpu_memory_info):
Dedicated video memory: 3072 MB
Total available memory: 6144 MB
Currently available dedicated video memory: 2876 MB
OpenGL vendor string: X.Org
OpenGL renderer string: AMD Radeon HD 7900 Series (TAHITI, DRM 3.27.0,
4.19.0-2-amd-staging-drm-next-git, LLVM 8.0.0)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.3.0-devel
(git-4052624398)
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL version string: 4.5 (Compatibility Profile) Mesa 18.3.0-devel
(git-4052624398)
OpenGL shading language version string: 4.50
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 18.3.0-devel
(git-4052624398)
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
f243980f2c1e8005dab0cbadf52eb4392feb2ecc is the first bad commit
commit f243980f2c1e8005dab0cbadf52eb4392feb2ecc
Author: Sonny Jiang <sonny.jiang@amd.com>
Date: Wed Oct 3 11:53:11 2018 -0400
radeonsi:optimizing SET_CONTEXT_REG for shaders VS
Signed-off-by: Sonny Jiang <sonny.jiang@amd.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
:040000 040000 e32a7539bb1a32c3c9d700651aa50f8dada31b5e
0e04f0305e4e893fdee0b394b5aa2c9c0bf0edaf M src
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 108347] [regression, bisected] Performance drop in Tesseract
2018-10-12 17:29 [Bug 108347] [regression, bisected] Performance drop in various games bugzilla-daemon
@ 2018-10-13 17:25 ` bugzilla-daemon
2018-10-22 23:33 ` bugzilla-daemon
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2018-10-13 17:25 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=108347
Gregor Münch <gr.muench@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[regression, bisected] |[regression, bisected]
|Performance drop in various |Performance drop in
|games |Tesseract
--- Comment #1 from Gregor Münch <gr.muench@gmail.com> ---
Here is a complete test result from comparing todays master with the commit
right before the bisected commit.
https://openbenchmarking.org/result/1810130-RA-MESAPERFO80
We see that without nir, the impact in Tesseract isnt that much. However with
nir we see a regression from 412 to 397 fps, Dirt Rally drops from 108 to
107fps. Other games see mostly a small improvement, except Civ VI 36 to 37fps.
I will change the title as it mostly impacts Tesseract. Havent tested other
games.
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 108347] [regression, bisected] Performance drop in Tesseract
2018-10-12 17:29 [Bug 108347] [regression, bisected] Performance drop in various games bugzilla-daemon
2018-10-13 17:25 ` [Bug 108347] [regression, bisected] Performance drop in Tesseract bugzilla-daemon
@ 2018-10-22 23:33 ` bugzilla-daemon
2018-10-23 0:28 ` bugzilla-daemon
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2018-10-22 23:33 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=108347
--- Comment #2 from Marek Olšák <maraeo@gmail.com> ---
I think the difference is due to the increase in CPU overhead.
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 108347] [regression, bisected] Performance drop in Tesseract
2018-10-12 17:29 [Bug 108347] [regression, bisected] Performance drop in various games bugzilla-daemon
2018-10-13 17:25 ` [Bug 108347] [regression, bisected] Performance drop in Tesseract bugzilla-daemon
2018-10-22 23:33 ` bugzilla-daemon
@ 2018-10-23 0:28 ` bugzilla-daemon
2018-10-23 10:13 ` bugzilla-daemon
2019-09-25 18:28 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2018-10-23 0:28 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=108347
--- Comment #3 from Marek Olšák <maraeo@gmail.com> ---
Tesseract is too simple so it's very sensitive to small changes in the CPU
overhead. It's uncertain but likely that Steam games are unaffected. I'm
undecided about whether we need to revert this or not.
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug 108347] [regression, bisected] Performance drop in Tesseract
2018-10-12 17:29 [Bug 108347] [regression, bisected] Performance drop in various games bugzilla-daemon
` (2 preceding siblings ...)
2018-10-23 0:28 ` bugzilla-daemon
@ 2018-10-23 10:13 ` bugzilla-daemon
2019-09-25 18:28 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2018-10-23 10:13 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=108347
--- Comment #4 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Thanks for keeping an eye out for performance :)
The difference in settings isn't only about nir, but also sisched and noerror.
Still a curious observation.
That said, with default settings, the patch seems like a (small, but
statistically relevant) win in most cases. The exception of Tesseract really
doesn't matter, nobody has 400 Hz displays. And the regression in Civ is
unfortunate, but IIRC that's often notoriously CPU-bound.
I'd say the signs are slightly in favour of keeping the patch.
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 108347] [regression, bisected] Performance drop in Tesseract
2018-10-12 17:29 [Bug 108347] [regression, bisected] Performance drop in various games bugzilla-daemon
` (3 preceding siblings ...)
2018-10-23 10:13 ` bugzilla-daemon
@ 2019-09-25 18:28 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2019-09-25 18:28 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=108347
GitLab Migration User <gitlab-migration@fdo.invalid> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |MOVED
Status|NEW |RESOLVED
--- Comment #5 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --
This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.
You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1337.
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^ permalink raw reply [flat|nested] 6+ messages in thread
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2018-10-12 17:29 [Bug 108347] [regression, bisected] Performance drop in various games bugzilla-daemon
2018-10-13 17:25 ` [Bug 108347] [regression, bisected] Performance drop in Tesseract bugzilla-daemon
2018-10-22 23:33 ` bugzilla-daemon
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