* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1
@ 2016-05-18 19:19 bugzilla-daemon
2016-05-18 19:22 ` [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly " bugzilla-daemon
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From: bugzilla-daemon @ 2016-05-18 19:19 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
Bug ID: 95474
Summary: Bioshock Infinite and DiRT Showdown perform very poor
on any GPU with GCN >=1.1
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: 0xe2.0x9a.0x9b@gmail.com
QA Contact: dri-devel@lists.freedesktop.org
See http://www.phoronix.com/scan.php?page=article&item=nv-amd-23ppw
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
@ 2016-05-18 19:22 ` bugzilla-daemon
2016-05-18 19:26 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-05-18 19:22 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
Jan Ziak <0xe2.0x9a.0x9b@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Bioshock Infinite and DiRT |Bioshock Infinite and DiRT
|Showdown perform very poor |Showdown perform very
|on any GPU with GCN >=1.1 |poorly on any GPU with GCN
| |>=1.1
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^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
2016-05-18 19:22 ` [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly " bugzilla-daemon
@ 2016-05-18 19:26 ` bugzilla-daemon
2016-05-18 19:39 ` bugzilla-daemon
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15 siblings, 0 replies; 17+ messages in thread
From: bugzilla-daemon @ 2016-05-18 19:26 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #1 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
Does anybody know what the primary cause of the poor performance is?
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^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
2016-05-18 19:22 ` [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly " bugzilla-daemon
2016-05-18 19:26 ` bugzilla-daemon
@ 2016-05-18 19:39 ` bugzilla-daemon
2016-05-18 21:09 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-05-18 19:39 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #2 from Alex Deucher <alexdeucher@gmail.com> ---
Can you identify what component caused the regression? mesa? llvm? kernel?
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #3 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Alex Deucher from comment #2)
> Can you identify what component caused the regression? mesa? llvm? kernel?
That is a good question, but I do not know the answer.
Data:
Kernel: 4.6.0
Kernel module: radeon.ko
Resolution: 1920x1080
Game quality setting: Ultra
CPU: A10-7850K
CPU utilization: 120% (kernel-space is about 10% CPU)
GPU: R9 390
GPU utilization (radeontop): >>>> 15% <<<<
GPU performance level: forced max clocks
Based on this, it seems that the user-space component (mesa + llvm) is the
bottleneck.
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> ---
Can you try a different kernel or mesa version?
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
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2016-05-18 21:12 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-05-18 21:13 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #5 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Alex Deucher from comment #2)
> Can you identify what component caused the regression? mesa? llvm? kernel?
Output from "perf report":
# Samples: 660K of event 'cycles'
# Event count (approx.): 568704142352
#
# Overhead Command Shared Object Symbol
9.94% G.26 radeonsi_dri.so [.] pb_cache_is_buffer_compat
2.51% G.26 libgcc_s.so.1 [.] __umoddi3
1.66% G.26 libc-2.22.so [.] _int_malloc
1.52% G.26 libc-2.22.so [.] _int_free
1.42% G.26 radeonsi_dri.so [.] radeon_drm_cs_add_buffer
1.22% bioshock.i386 radeonsi_dri.so [.] radeon_cs_context_cleanup
1.14% bioshock.i386 [kernel.vmlinux] [k]
reservation_object_add_shared_fence
1.02% G.26 libc-2.22.so [.] __libc_calloc
0.93% G.26 libpthread-2.22.so [.] pthread_mutex_lock
0.81% bioshock.i386 [kernel.vmlinux] [k] __ww_mutex_lock_interruptible
0.79% G.26 bioshock.i386 [.] 0x00000000001a8853
0.79% G.26 radeonsi_dri.so [.] pb_cache_reclaim_buffer
0.78% G.26 libpthread-2.22.so [.]
__pthread_mutex_unlock_usercnt
0.74% G.26 libc-2.22.so [.] malloc
0.72% bioshock.i386 radeonsi_dri.so [.]
radeon_drm_cs_emit_ioctl_oneshot
0.66% bioshock.i386 [radeon] [k] radeon_bo_list_validate
0.60% G.26 radeonsi_dri.so [.] __x86.get_pc_thunk.bx
0.56% G.26 bioshock.i386 [.] 0x00000000001a8e53
0.56% G.26 radeonsi_dri.so [.] set_add
0.55% G.26 radeonsi_dri.so [.] ir_expression::accept
0.54% bioshock.i386 [ttm] [k] ttm_bo_list_ref_sub
0.54% G.26 radeonsi_dri.so [.] _mesa_glsl_parse
0.53% G.26 radeonsi_dri.so [.] radeon_lookup_buffer
0.52% G.26 libc-2.22.so [.] __memcmp_sse4_2
0.48% G.26 radeonsi_dri.so [.] visit_list_elements
0.47% bioshock.i386 [kernel.vmlinux] [k]
reservation_object_reserve_shared
0.46% G.26 radeonsi_dri.so [.] si_reset_buffer_resources
0.45% G.26 radeonsi_dri.so [.] hash_table_search
0.45% bioshock.i386 [drm] [k] drm_gem_object_lookup
0.42% G.26 libc-2.22.so [.] malloc_consolidate
0.41% bioshock.i386 [radeon] [k] radeon_sync_fence
0.41% G.26 radeonsi_dri.so [.] set_search
0.40% G.26 radeonsi_dri.so [.]
u_default_transfer_inline_write
0.40% bioshock.i386 [ttm] [k] ttm_bo_add_to_lru
0.38% G.26 radeonsi_dri.so [.] st_validate_state
0.36% bioshock.i386 [ttm] [k] ttm_bo_del_from_lru
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^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
` (5 preceding siblings ...)
2016-05-18 21:13 ` bugzilla-daemon
@ 2016-05-18 21:14 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-05-18 21:14 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #6 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Alex Deucher from comment #4)
> Can you try a different kernel or mesa version?
I will try tomorrow.
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
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To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #7 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Alex Deucher from comment #4)
> Can you try a different kernel or mesa version?
LLVM 3.8 + Mesa 11.2.2 -> same result
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #8 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Alex Deucher from comment #4)
> Can you try a different kernel or mesa version?
Kernel 4.4.6 radeon.ko + LLVM 3.8 + Mesa 11.2.2 -> same result
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
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To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #9 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
Created attachment 124063
--> https://bugs.freedesktop.org/attachment.cgi?id=124063&action=edit
kcachegrind screenshot: _mesa_FenceSync
I ran callgrind on Bioshock with mesa-git.
Callgrind instrumentation was enabled only when the Bioshock benchmark was
rendering frames from the game. The benchmark graphics quality was set to
Medium.
The screenshot I am sending indicates that Bioshock expects a faster
_mesa_FenceSync implementation.
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #10 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
Also, the first part of the Bioshock benchmark causes Mesa to compile some
shaders almost every frame.
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
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From: bugzilla-daemon @ 2016-05-24 21:24 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #11 from Marek Olšák <maraeo@gmail.com> ---
CPU profiling is usable only if you've built Mesa and LLVM with
-fno-omit-frame-pointer.
This article suggests that the regression happened between 11.2 and master. Do
you disagree with that?
http://www.phoronix.com/scan.php?page=news_item&px=RadeonSI-Padoka-May-Ubuntu-16&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Phoronix+%28Phoronix%29
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
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To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #12 from Marek Olšák <maraeo@gmail.com> ---
(In reply to Jan Ziak from comment #9)
> Created attachment 124063 [details]
> kcachegrind screenshot: _mesa_FenceSync
>
> I ran callgrind on Bioshock with mesa-git.
>
> Callgrind instrumentation was enabled only when the Bioshock benchmark was
> rendering frames from the game. The benchmark graphics quality was set to
> Medium.
>
> The screenshot I am sending indicates that Bioshock expects a faster
> _mesa_FenceSync implementation.
I wouldn't trust callgrind, because it runs on a CPU emulator.
The proper way to profile this is to build Mesa with -fno-omit-frame-pointer
and use sysprof, which is very easy to use. Sysprof can also save the results
to disk.
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
` (12 preceding siblings ...)
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2016-08-01 17:33 ` bugzilla-daemon
2016-08-14 21:27 ` bugzilla-daemon
15 siblings, 0 replies; 17+ messages in thread
From: bugzilla-daemon @ 2016-05-25 14:14 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #13 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Marek Olšák from comment #11)
> This article suggests that the regression happened between 11.2 and master.
> Do you disagree with that?
> http://www.phoronix.com/scan.php?page=news_item&px=RadeonSI-Padoka-May-
> Ubuntu-
> 16&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Phoronix+%28Pho
> ronix%29
I am unable to reproduce the results from the article on my machine with Mesa
11.2.0. Mesa 11.2.0 and mesa-git have similar performance on my machine.
The 37.35 FPS (Ultra quality setting) in the Phoronix article for Mesa 11.2.0
is highly unlikely.
Bioshock benchmark ignores the command-line option -ForceCompatLevel=N if there
exists "$HOME/.local/share/irrationalgames/bioshockinfinite".
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* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
` (13 preceding siblings ...)
2016-05-25 14:14 ` bugzilla-daemon
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2016-08-14 21:27 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-08-01 17:33 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
--- Comment #14 from Marek Olšák <maraeo@gmail.com> ---
I've done some profiling.
Bioshock Infinite:
- the game is CPU-bound most of the time
- some small performance enhancements have landed already
- the FenceSync optimization is a work in progress, expect a 30% improvement
- most of the scratch buffer usage is for private memory, not VGPR spilling
(this may be a defect in our indirect indexing)
- if I'm not taking private memory usage into account, it's still in top 2 of
the worst VGPR spilling apps
DiRT Showdown:
- the game is GPU-bound
- there are a bunch of very slow pixel shaders using while loops, it's unclear
how to make them faster
- most of the scratch buffer usage is for VGPR spilling
- it's in top 2 of the worst VGPR spilling apps
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^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1
2016-05-18 19:19 [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poor on any GPU with GCN >=1.1 bugzilla-daemon
` (14 preceding siblings ...)
2016-08-01 17:33 ` bugzilla-daemon
@ 2016-08-14 21:27 ` bugzilla-daemon
15 siblings, 0 replies; 17+ messages in thread
From: bugzilla-daemon @ 2016-08-14 21:27 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=95474
Jan Ziak <0xe2.0x9a.0x9b@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #15 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
I am closing this issue and marking it as fixed.
Bioshock Infinite benchmark @1080p runs at 33 FPS on Ultra settings on
A10-7850K+R9-390. R9-390 is a GCN 1.1 GPU.
Phoronix claims to have been able to reach about 80 FPS on Ultra settings with
GCN 1.2+ GPUs and a fast 4(8) cores(threads) Skylake CPU:
http://phoronix.com/scan.php?page=news_item&px=RadeonSI-Mesa-Git-BioShock-Test
----
DiRT Showdown: It is better to have a separate freedesktop.org bug tracking
DiRT Showdown performance issues than to postpone closing this bug.
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