[Wien] CPU usage

Laurence Marks L-marks at northwestern.edu
Tue Mar 11 20:26:48 CET 2014


OMP_NUM_THREADS is only for openmp, not for mkl (I assume you are
using the Intel mkl). If you really need to change this look at the
appropriate MKL variables (in the documentation) for whatever version
you have.

On Tue, Mar 11, 2014 at 5:10 AM, Salman Zarrini
<salman.zarrini at tu-darmstadt.de> wrote:
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> Dear Wien2k user,
>
> I was wondering why CPU usage in my machine oscillates around 200 in
> lapw1&2, although, The "OMP_NUM_THREADS" equals to 1 in my .bashrc
> (export OMP_NUM_THREADS=1)?
>
> P.S."setenv USE_REMOTE 0" in the parallel_options.
>
> Cheers,
>
> Salman
>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
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-- 
Professor Laurence Marks
Department of Materials Science and Engineering
Northwestern University
www.numis.northwestern.edu 1-847-491-3996
"Research is to see what everybody else has seen, and to think what
nobody else has thought"
Albert Szent-Gyorgi


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