[Paraview] pvserver maxed out

[Randy Heiland]

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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