[Paraview] pvserver maxed out

[Berk Geveci]

For this reason, I use MPICH2 on my MacBook Pro and OpenMPI on my Mac
Pro. I can't remember which device I ended up settling on - I think
the default. If I remember correctly, ch3:nemesis was causing the same
issue as OpenMPI.

-berk

On Mon, Jun 15, 2009 at 1:44 PM, Randy Heiland<heiland at indiana.edu> wrote:
> Thanks Utkarsh.  Just to add to this thread, I asked some of the OMPI
> developers and apparently it's not possible to avoid this behavior.
> -Randy
> On Jun 15, 2009, at 11:35 AM, Utkarsh Ayachit wrote:
>
> Yup, that's expected. That's because of your MPI implementation. OpenMPI
> does a busy wait when waiting for mpi messages. I think there's an
> environment variable or something that you can set to disable that, I am no
> sure. Maybe someone on the mailing list knows, or try checking the OpenMPI
> documentation.
>
> Utkarsh
>
> On Mon, Jun 15, 2009 at 11:28 AM, Randy Heiland <heiland at indiana.edu> wrote:
>>
>> When I use 'mpirun -np 2 pvserver'  on my dual core MacBook (either
>> connecting to it via paraview client or standalone), it keeps one of my CPUs
>> pegged at nearly 100%.  Is this to be expected?  (Just running the serial
>> './pvserver' of course just generates 'Listening...Waiting for client...'
>> with no CPU load).
>>
>> % ./pvserver --version
>> ParaView3.7
>>
>> % ompi_info
>>                Open MPI: 1.3.1
>>
>> thanks, Randy
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