* [Bug 96897] [opencl] clpeak hangs during compilation
@ 2016-07-12 11:10 bugzilla-daemon
2016-07-12 11:13 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-07-12 11:10 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
Bug ID: 96897
Summary: [opencl] clpeak hangs during compilation
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
Hello.
clpeak (http://github.com/krrishnarraj/clpeak) defacto enters an infinite loop
during compilation.
GPU: R9 390
Kernel module: amdgpu.ko, linux 4.7.0-rc7
Mesa: 12.1.0-devel (git-ead7736)
LLVM: git 2016-jul-11
$ clinfo
Number of platforms: 1 (should be 2: intel.cpu + mesa.gpu)
Platform Version: OpenCL 1.1 Mesa 12.1.0-devel (git-ead7736)
$ ll /usr/lib64/libOpenCL.so.1
/usr/lib64/libOpenCL.so.1 -> OpenCL/vendors/mesa/libOpenCL.so.1.0.0
(Gentoo Linux)
$ eselect opencl list
Available OpenCL implementations:
[1] amdgpu-pro
[2] intel
[3] mesa *
[4] nvidia
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* [Bug 96897] [opencl] clpeak hangs during compilation
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
@ 2016-07-12 11:13 ` bugzilla-daemon
2016-07-13 5:26 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
--- Comment #1 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
Created attachment 125023
--> https://bugs.freedesktop.org/attachment.cgi?id=125023&action=edit
gdb backtrace
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* [Bug 96897] [opencl] clpeak hangs during compilation
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
2016-07-12 11:13 ` bugzilla-daemon
@ 2016-07-13 5:26 ` bugzilla-daemon
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To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
Michel Dänzer <michel@daenzer.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #125023|text/x-log |text/plain
mime type| |
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* [Bug 96897] [opencl] clpeak hangs during compilation
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
2016-07-12 11:13 ` bugzilla-daemon
2016-07-13 5:26 ` bugzilla-daemon
@ 2016-07-13 5:29 ` bugzilla-daemon
2017-03-22 16:13 ` [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI bugzilla-daemon
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From: bugzilla-daemon @ 2016-07-13 5:29 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
Michel Dänzer <michel@daenzer.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|dri-devel@lists.freedesktop |mesa-dev@lists.freedesktop.
|.org |org
QA Contact|dri-devel@lists.freedesktop |mesa-dev@lists.freedesktop.
|.org |org
Component|Drivers/Gallium/radeonsi |Mesa core
--- Comment #2 from Michel Dänzer <michel@daenzer.net> ---
Looks like deep recursion in clover / LLVM code.
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
` (2 preceding siblings ...)
2016-07-13 5:29 ` bugzilla-daemon
@ 2017-03-22 16:13 ` bugzilla-daemon
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From: bugzilla-daemon @ 2017-03-22 16:13 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
Vedran Miletić <vedran@miletic.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[opencl] clpeak hangs |clpeak OpenCL benchmark
|during compilation |hangs during compilation on
| |Clover RadeonSI
Component|Mesa core |Drivers/Gallium/radeonsi
QA Contact|mesa-dev@lists.freedesktop. |dri-devel@lists.freedesktop
|org |.org
CC| |vedran@miletic.net
Assignee|mesa-dev@lists.freedesktop. |dri-devel@lists.freedesktop
|org |.org
Blocks| |99553
--- Comment #3 from Vedran Miletić <vedran@miletic.net> ---
Interesting, I will look into this.
Referenced Bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=99553
[Bug 99553] Tracker bug for runnning OpenCL applications on Clover
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
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2017-03-22 16:13 ` [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
--- Comment #4 from Vedran Miletić <vedran@miletic.net> ---
Not anymore on both LLVM 3.9.1 and LLVM git from today:
input.cl:34:106: error: call to 'mad' is ambiguous
input.cl:30:22: note: expanded from macro 'MAD_64'
input.cl:29:22: note: expanded from macro 'MAD_16'
input.cl:28:25: note: expanded from macro 'MAD_4'
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
/usr/local/include/clc/math/mad.inc:1:39: note: candidate function
input.cl:34:106: error: call to 'mad' is ambiguous
Did clpeak change or did we change? If we changed, did we regress?
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
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2017-03-22 18:24 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
--- Comment #5 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
With LLVM 4.0.0 I am getting the following results:
$ clinfo
Platform ID: 0x7ff6aaf2ed60
Name: AMD HAWAII (DRM 3.10.0 / 4.11.0-rc2+, LLVM
4.0.0)
Vendor: AMD
Device OpenCL C version: OpenCL C 1.1
Driver version: 17.1.0-devel
Profile: FULL_PROFILE
Version: OpenCL 1.1 Mesa 17.1.0-devel (git-ad13bd2)
$ ./clpeak
Platform: Clover
Device: AMD HAWAII (DRM 3.10.0 / 4.11.0-rc2+, LLVM 4.0.0)
Driver version : 17.1.0-devel (Linux x64)
Compute units : 40
Clock frequency : 1000 MHz
clpeak:
/var/tmp/portage/sys-devel/clang-4.0.0/work/x/y/cfe-4.0.0.src/lib/Sema/Sema.cpp:317:
clang::Sema::~Sema(): Assertion `DelayedTypos.empty() && "Uncorrected typos!"'
failed.
Aborted (core dumped)
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
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2017-03-22 22:08 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
--- Comment #6 from Andy Furniss <adf.lists@gmail.com> ---
Same for me on tonga + git llvm/libclc/mesa/clpeak
Platform: Clover
Device: AMD TONGA (DRM 3.13.0 / 4.11.0-rc1-g00c1259, LLVM 5.0.0)
Driver version : 17.1.0-devel (Linux x64)
Compute units : 28
Clock frequency : 973 MHz
clpeak: /mnt/sdb1/Gits/llvm/tools/clang/lib/Sema/Sema.cpp:316:
clang::Sema::~Sema(): Assertion `DelayedTypos.empty() && "Uncorrected typos!"'
failed.
Aborted
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
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2017-03-22 22:59 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
--- Comment #7 from Andy Furniss <adf.lists@gmail.com> ---
(In reply to Andy Furniss from comment #6)
> Same for me on tonga + git llvm/libclc/mesa/clpeak
>
> Platform: Clover
> Device: AMD TONGA (DRM 3.13.0 / 4.11.0-rc1-g00c1259, LLVM 5.0.0)
> Driver version : 17.1.0-devel (Linux x64)
> Compute units : 28
> Clock frequency : 973 MHz
> clpeak: /mnt/sdb1/Gits/llvm/tools/clang/lib/Sema/Sema.cpp:316:
> clang::Sema::~Sema(): Assertion `DelayedTypos.empty() && "Uncorrected
> typos!"' failed.
> Aborted
This starts with clpeak commit -
16e1b207a4d4e81a0c48c77c950437dca1364cb6 is the first bad commit
commit 16e1b207a4d4e81a0c48c77c950437dca1364cb6
Author: espes <espes@pequalsnp.com>
Date: Mon Jul 18 17:06:15 2016 -0700
Add support for halfs
Before this it completes OK, but there is some delay ~40 seconds, before
results start appearing.
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
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2017-03-22 23:47 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
--- Comment #8 from ricardo.ribalda@gmail.com ---
With:
Device: AMD CARRIZO (DRM 3.9.0 / 4.10.0-qtec-standard, LLVM 4.0.1)
Driver version : 17.0.3 (Linux x64)
Compute units : 8
Clock frequency : 800 MHz
I am getting the same error as Vedran: error: call to 'mad' is ambiguous
After reverting:
16e1b207a4d4e81a0c48c77c950437dca1364cb6 is the first bad commit
commit 16e1b207a4d4e81a0c48c77c950437dca1364cb6
Author: espes <espes@pequalsnp.com>
Date: Mon Jul 18 17:06:15 2016 -0700
I am experiencing an endless loop as reported by Jan.
I get the same endless loop with:
Platform: Clover
Device: AMD PALM (DRM 2.49.0 / 4.10.0-qtec-standard, LLVM 4.0.1)
Driver version : 17.0.3 (Linux x64)
Compute units : 2
Clock frequency : 0 MHz
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
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2017-04-27 7:59 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
M. Edward (Ed) Borasky <znmeb@znmeb.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |znmeb@znmeb.net
--- Comment #9 from M. Edward (Ed) Borasky <znmeb@znmeb.net> ---
I have something like this on Fedora - both 25 (stable) and 26 (alpha). I type
"clpeak" and the CPU goes to 100% and nothing else happens.
I'll attach a 'clinfo' printout.
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
--- Comment #10 from M. Edward (Ed) Borasky <znmeb@znmeb.net> ---
Created attachment 131104
--> https://bugs.freedesktop.org/attachment.cgi?id=131104&action=edit
clinfo for the system
Note: this bug is in Fedora's bugzilla as well -
https://bugzilla.redhat.com/show_bug.cgi?id=1433632
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
--- Comment #11 from M. Edward (Ed) Borasky <znmeb@znmeb.net> ---
Linking to a clpeak GitHub issue:
https://github.com/krrishnarraj/clpeak/issues/32
Note: I'm now on Arch Linux and I have the non-looping version of this.
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
--- Comment #12 from Jan Vesely <jan.vesely@rutgers.edu> ---
> input.cl:34:106: error: call to 'mad' is ambiguous
This looks to be caused by the lack of half precision builtins in libclc. GCN+
GPUs advertise support for cl_khr_fp16 in CLC but libclc is not ready yet.
You can try my experimental cl_khr_fp16 branch:
https://github.com/jvesely/libclc/tree/cl_khr_fp16
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
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@ 2018-05-17 23:38 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
Jan Vesely <jan.vesely@rutgers.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #13 from Jan Vesely <jan.vesely@rutgers.edu> ---
Initial support for cl_khr_fp16 builtins has been added to libclc in r332677.
It should be enough to run clpeak.
clpeak still takes few mins to compile the kernels (~7mins on my carrizo
laptop)
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* [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI
2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
` (13 preceding siblings ...)
2018-05-17 23:38 ` bugzilla-daemon
@ 2018-05-18 2:45 ` bugzilla-daemon
14 siblings, 0 replies; 16+ messages in thread
From: bugzilla-daemon @ 2018-05-18 2:45 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=96897
--- Comment #14 from Dieter Nützel <Dieter@nuetzel-hh.de> ---
(In reply to Jan Vesely from comment #13)
> Initial support for cl_khr_fp16 builtins has been added to libclc in r332677.
> It should be enough to run clpeak.
> clpeak still takes few mins to compile the kernels (~7mins on my carrizo
> laptop)
GREAT work Jan!
After 3 min and ~12 sec float start crunching on my X3470 Xeon
(only one core would be used for kernel compile => 3.6 GHz turbo mode)
My desktop was frozen during float 'Global memory bandwidth (GBPS)' compute
and partly frozen during 'Double-precision compute (GFLOPS)'.
Whole benchmark finished after 6 min and 17 secs.
/home/dieter> time clpeak
Platform: Clover
Device: Radeon RX 580 Series (POLARIS10, DRM 3.23.0,
4.16.9-1.g4f45b1e-default, LLVM 7.0.0)
Driver version : 18.2.0-devel (Linux x64)
Compute units : 36
Clock frequency : 1411 MHz
Global memory bandwidth (GBPS)
float : 2.64
float2 : 2.64
float4 : 2.64
float8 : 2.54
float16 : 1.45
Single-precision compute (GFLOPS)
float : 6341.87
float2 : 6131.34
float4 : 6105.61
float8 : 5933.91
float16 : 5939.44
half-precision compute (GFLOPS)
half : 6307.47
half2 : 6193.25
half4 : 6114.34
half8 : 5729.57
half16 : 6047.90
Double-precision compute (GFLOPS)
double : 404.52
double2 : 404.41
double4 : 404.06
double8 : 403.08
double16 : 401.53
Integer compute (GIOPS)
int : 1222.75
int2 : 1213.90
int4 : 1210.72
int8 : 1208.57
int16 : 1213.99
Transfer bandwidth (GBPS)
enqueueWriteBuffer : 8.78
enqueueReadBuffer : 4.86
enqueueMapBuffer(for read) : 4871.79
memcpy from mapped ptr : 4.94
enqueueUnmap(after write) : 3528.56
memcpy to mapped ptr : 4.94
Kernel launch latency : 293.57 us
206.285u 3.765s 6:17.14 55.6% 0+0k 0+0io 0pf+0w
For reference AMD 17.40
/home/dieter> time clpeak
Platform: AMD Accelerated Parallel Processing
Device: Ellesmere
Driver version : 2482.3 (Linux x64)
Compute units : 36
Clock frequency : 1411 MHz
Global memory bandwidth (GBPS)
float : 202.59
float2 : 209.30
float4 : 209.63
float8 : 162.15
float16 : 138.41
Single-precision compute (GFLOPS)
float : 6342.71
float2 : 6374.96
float4 : 6178.29
float8 : 5973.53
float16 : 6018.79
half-precision compute (GFLOPS)
half : 6306.97
half2 : 6366.06
half4 : 6350.41
half8 : 6154.31
half16 : 6280.47
Double-precision compute (GFLOPS)
double : 404.64
double2 : 404.38
double4 : 398.54
double8 : 403.25
double16 : 401.53
Integer compute (GIOPS)
int : 1206.77
int2 : 1221.26
int4 : 1225.83
int8 : 1225.88
int16 : 1227.35
Transfer bandwidth (GBPS)
enqueueWriteBuffer : 9.03
enqueueReadBuffer : 5.08
enqueueMapBuffer(for read) : 149130.81
memcpy from mapped ptr : 5.09
enqueueUnmap(after write) : 75882.81
memcpy to mapped ptr : 5.08
Kernel launch latency : 93.33 us
23.056u 1.592s 1:08.29 36.0% 0+0k 0+0io 0pf+0w
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2016-07-12 11:10 [Bug 96897] [opencl] clpeak hangs during compilation bugzilla-daemon
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2016-07-13 5:29 ` bugzilla-daemon
2017-03-22 16:13 ` [Bug 96897] clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI bugzilla-daemon
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