[Pw_forum] newbie update

[Lex Kemper]

Out of curiosity, what behaviour do you see from MKL that it doesn't 
obey OMP_NUM_THREADS? I ask, because that's what I'm using, and would 
like to make sure it's behaving right.

Thanks,

Lex Kemper
University of Florida

Axel Kohlmeyer wrote:
> On Wed, 4 Mar 2009, JR Schmidt wrote:
> 
> JRS> I had problems with MKL not obeyig OMP_NUM_THREADS.  I found it was 
> JRS> easier to simply link with the MKL serial (non-threaded) library, since 
> JRS> that is what you want anyway.
> 
> yes. but in carlo's case it _does_ work correctly.
> 
> axel.
> 
> JRS> > I tried to run the example01 with the following settings:
> JRS> >
> JRS> > OMP_NUM_THREADS=1
> JRS> > mpiexec -n 8
> JRS> >
> JRS> > The example is executed, but with a very long time. All 8
> JRS> > CPUs are running
> JRS> >   
> JRS> 
>