* [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0)
@ 2016-07-10 15:20 bugzilla-daemon
2016-07-11 9:54 ` bugzilla-daemon
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0 siblings, 6 replies; 7+ messages in thread
From: bugzilla-daemon @ 2016-07-10 15:20 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=96881
Bug ID: 96881
Summary: ViennaCL fails dense_blas-bench-opencl benchmark with
doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0)
Product: Mesa
Version: 11.2
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/r600
Assignee: dri-devel@lists.freedesktop.org
Reporter: ubizjak@gmail.com
QA Contact: dri-devel@lists.freedesktop.org
The dense_blas-bench-opencl benchmark from ViennaCL suite fails with doubles on
AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0):
$ ./dense_blas-bench-opencl
----------------------------------------------
Device Info
----------------------------------------------
Name: AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0)
Vendor: AMD
Type: GPU
Available: 1
Max Compute Units: 10
Max Work Group Size: 256
Global Mem Size: 1073741824
Local Mem Size: 32768
Local Mem Type: 1
Host Unified Memory: 1
Benchmark : BLAS
----------------
sCOPY : 64.3 GB/s
sAXPY : 95.4 GB/s
sDOT : 85.3 GB/s
sGEMV-N : 20.8 GB/s
sGEMV-T : 44.3 GB/s
sGEMM-NN : 126 GFLOPs/s
sGEMM-NT : 87.6 GFLOPs/s
sGEMM-TN : 90.5 GFLOPs/s
sGEMM-TT : 72.3 GFLOPs/s
----
Build Status = -2 ( Err = -11 )
Log: unsupported call to function __subdf3 in av_cpu
Sources: #pragma OPENCL EXTENSION cl_khr_fp64 : enable
__kernel void av_cpu(
__global double * vec1,
uint4 size1,
...
It looks like DFmode (double) instructions are not enabled correctly in LLVM
for targets that report cl_khr_fp64 extension.
clinfo reports:
Number of platforms 1
Platform Name Clover
Platform Vendor Mesa
Platform Version OpenCL 1.1 MESA 11.2.2
Platform Profile FULL_PROFILE
Platform Extensions cl_khr_icd
Platform Extensions function suffix MESA
Platform Name Clover
Number of devices 1
Device Name AMD CYPRESS (DRM 2.43.0, LLVM
3.8.0)
Device Vendor AMD
Device Vendor ID 0x1002
Device Version OpenCL 1.1 MESA 11.2.2
Driver Version 11.2.2
Device OpenCL C Version OpenCL C 1.1
Device Type GPU
Device Profile FULL_PROFILE
Max compute units 10
Max clock frequency 850MHz
Max work item dimensions 3
Max work item sizes 256x256x256
Max work group size 256
Preferred work group size multiple 64
Preferred / native vector sizes
char 16 / 16
short 8 / 8
int 4 / 4
long 2 / 2
half 0 / 0 (n/a)
float 4 / 4
double 2 / 2
(cl_khr_fp64)
Half-precision Floating-point support (n/a)
Single-precision Floating-point support (core)
Denormals No
Infinity and NANs Yes
Round to nearest Yes
Round to zero No
Round to infinity No
IEEE754-2008 fused multiply-add No
Support is emulated in software No
Correctly-rounded divide and sqrt operations No
Double-precision Floating-point support (cl_khr_fp64)
Denormals Yes
Infinity and NANs Yes
Round to nearest Yes
Round to zero Yes
Round to infinity Yes
IEEE754-2008 fused multiply-add Yes
Support is emulated in software No
Correctly-rounded divide and sqrt operations No
...
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* [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0)
2016-07-10 15:20 [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0) bugzilla-daemon
@ 2016-07-11 9:54 ` bugzilla-daemon
2016-07-11 16:40 ` bugzilla-daemon
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2016-07-11 9:54 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=96881
Vedran Miletić <vedran@miletic.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jan.vesely@rutgers.edu,
| |vedran@miletic.net
--- Comment #1 from Vedran Miletić <vedran@miletic.net> ---
Jan, does R600 backend in LLVM have relevant instructions implemented?
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^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0)
2016-07-10 15:20 [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0) bugzilla-daemon
2016-07-11 9:54 ` bugzilla-daemon
@ 2016-07-11 16:40 ` bugzilla-daemon
2017-01-27 19:07 ` bugzilla-daemon
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2016-07-11 16:40 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=96881
--- Comment #2 from Jan Vesely <jan.vesely@rutgers.edu> ---
(In reply to Vedran Miletić from comment #1)
> Jan, does R600 backend in LLVM have relevant instructions implemented?
I don't think they are.
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^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0)
2016-07-10 15:20 [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0) bugzilla-daemon
2016-07-11 9:54 ` bugzilla-daemon
2016-07-11 16:40 ` bugzilla-daemon
@ 2017-01-27 19:07 ` bugzilla-daemon
2018-09-12 20:16 ` bugzilla-daemon
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2017-01-27 19:07 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=96881
Jan Vesely <jv356@scarletmail.rutgers.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |99553
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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^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0)
2016-07-10 15:20 [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0) bugzilla-daemon
` (2 preceding siblings ...)
2017-01-27 19:07 ` bugzilla-daemon
@ 2018-09-12 20:16 ` bugzilla-daemon
2019-09-18 19:21 ` bugzilla-daemon
2019-09-18 19:22 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2018-09-12 20:16 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=96881
Jan Vesely <jan.vesely@rutgers.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |99510
Referenced Bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=99510
[Bug 99510] cl_khr_fp64 is reported as supported, but is not, on CAYMAN
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* [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0)
2016-07-10 15:20 [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0) bugzilla-daemon
` (3 preceding siblings ...)
2018-09-12 20:16 ` bugzilla-daemon
@ 2019-09-18 19:21 ` bugzilla-daemon
2019-09-18 19:22 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2019-09-18 19:21 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=96881
GitLab Migration User <gitlab-migration@fdo.invalid> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |MOVED
Status|NEW |RESOLVED
--- Comment #3 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/589.
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^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0)
2016-07-10 15:20 [Bug 96881] ViennaCL fails dense_blas-bench-opencl benchmark with doubles on AMD CYPRESS (DRM 2.43.0, LLVM 3.8.0) bugzilla-daemon
` (4 preceding siblings ...)
2019-09-18 19:21 ` bugzilla-daemon
@ 2019-09-18 19:22 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2019-09-18 19:22 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=96881
Bug 96881 depends on bug 99510, which changed state.
Bug 99510 Summary: cl_khr_fp64 is reported as supported, but is not, on CAYMAN
https://bugs.freedesktop.org/show_bug.cgi?id=99510
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |MOVED
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