[torqueusers] process using more CPUs than requested

Christopher Samuel samuel at unimelb.edu.au
Wed Mar 2 17:36:59 MST 2011


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On 19/02/11 11:27, Nate Woody wrote:

> OP: Matlab (threaded) and Gaussian (MPI) can both be
> controlled by enabling cpusets.  I don't believe there
> is another way to avoid the situation.

It may be that they are built on OpenMP and so may honour
the OMP_NUM_THREADS environment variable.

http://gcc.gnu.org/onlinedocs/libgomp/OMP_005fNUM_005fTHREADS.html

But you're safer with that and cpusets. ;-)

- -- 
    Christopher Samuel - Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computation Initiative
 Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
         http://www.vlsci.unimelb.edu.au/

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