<div dir="ltr">In case this is an MPI job, the problem could be related to CPU affinity. We wad to deal with that while running MPI jobs under MVAPICH2. The solution was<br><br>setenv MV2_ENABLE_AFFINITY 0<div><br></div><div>
<br></div><div>Oleg<br><br><br>On Tue, Mar 11, 2014 at 3:26 PM, Laurence Marks <<a href="mailto:L-marks@northwestern.edu">L-marks@northwestern.edu</a>> wrote:<br>><br>> OMP_NUM_THREADS is only for openmp, not for mkl (I assume you are<br>
> using the Intel mkl). If you really need to change this look at the<br>> appropriate MKL variables (in the documentation) for whatever version<br>> you have.<br>><br>> On Tue, Mar 11, 2014 at 5:10 AM, Salman Zarrini<br>
> <<a href="mailto:salman.zarrini@tu-darmstadt.de">salman.zarrini@tu-darmstadt.de</a>> wrote:<br>> ><br>> > +++++++++++++++++++++++++++++++++++++++++++++++++++++++<br>> ><br>> > Dear Wien2k user,<br>
> ><br>> > I was wondering why CPU usage in my machine oscillates around 200 in<br>> > lapw1&2, although, The "OMP_NUM_THREADS" equals to 1 in my .bashrc<br>> > (export OMP_NUM_THREADS=1)?<br>
> ><br>> > P.S."setenv USE_REMOTE 0" in the parallel_options.<br>> ><br>> > Cheers,<br>> ><br>> > Salman<br>> ><br>> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++<br>
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> --<br>> Professor Laurence Marks<br>> Department of Materials Science and Engineering<br>> Northwestern University<br>> <a href="http://www.numis.northwestern.edu">www.numis.northwestern.edu</a> 1-847-491-3996<br>
> "Research is to see what everybody else has seen, and to think what<br>> nobody else has thought"<br>> Albert Szent-Gyorgi<br>> _______________________________________________<br>> Wien mailing list<br>
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