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Subject: Re: [OMPI users] Excessive Use of CPU System Resources with OpenMPI 1.2.4 using TCP only ..
From: Terry Frankcombe (terry_at_[hidden])
Date: 2008-01-23 11:21:21


On Tue, 2008-01-22 at 20:19 +0100, Pignot Geoffroy wrote:
> You could try the following MCA setting in your mpirun command
> --mca mpi_yield_when_idle 1

Yes, but to repeat what was said above, it is first essential that you
read:
<http://icl.cs.utk.edu/open-mpi/faq/?category=running#force-aggressive-degraded>
and the related
<http://icl.cs.utk.edu/open-mpi/faq/?category=running#oversubscribing>