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OMP : Error # 134 Cannot set thread affinity mask

Ying_H_Intel
Employee
2,284 Views
Dear all,

We received two reports
...
OMP : Error # 134 Cannot set thread affinity mask.
OMP: System error #87: The parameter is incorrect."

from IPP and MKL forum:
http://software.intel.com/en-us/forums/showpost.php?p=177075
http://software.intel.com/en-us/forums/showthread.php?t=103306
and Amplifier XE forum: http://secure-software.intel.com/en-us/forums/showthread.php?t=81551

There is possible test case in http://software.intel.com/en-us/forums/showthread.php?t=76294
( Uvsl.cs, where we try MKL 10.3.9 from composer XE and x86, mkl_rt.lib, OMP_NUM_THREADS=4096, it mayOS-related and cpu core number. the machine runing window server2003R2 X64 SP2and4 core x2 processorx2 HT =16 threadcan't reproduce the probelm.)

Could any OpenMP engineerhelp to see the probelm?

Thanks in advance!
YingH.
0 Kudos
3 Replies
Vladimir_P_Intel2
2,284 Views
Hello,
The fix should be available inComposer XE 2011 update 9 or MKL 10.3.9. Which update did you use?
Hope this helps,
--Vladimir
Ying_H_Intel
Employee
2,284 Views
Hi Vladimir,

Thanks much for the reply. No wonder i can't reproduce the problem on my machine. Could you tell more about the problem?Here isin Composer XE bug fix list,

http://software.intel.com/en-us/articles/intel-composer-xe-2011-compilers-fixes-list/

DPD200135764Caccess violation in libiomp5md.dll


does this onecorresponds to the problem?

Thanks
Ying H.
SergeyKostrov
Valued Contributor II
2,284 Views
...
http://software.intel.com/en-us/articles/intel-composer-xe-2011-compilers-fixes-list/

DPD200135764Caccess violation in libiomp5md.dll
...

does this onecorresponds to the problem?


Hi everybody,

It would be nice to clarify it because an'access violation' and a'thread affinity' are different things but it is
possible that they are related.

Best regards,
Sergey

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