[Paraview] Multiple paraview instances in MPI standalone mode

Bikash Agarwal agarwa4 at gmail.com
Mon Apr 2 15:03:35 EDT 2007


I'm sorry for being naive. Very new to mpi and parallel processing. How do I
run paraview on a machine with 8 processors so that I can get the fastest
performance?

Bikash


On 4/2/07, Kent Eschenberg <eschenbe at psc.edu> wrote:
>
> Bikash Agarwal wrote:
> > When running paraview 2.6 in MPI mode on a single machine, why does it
> > open one instance of paraview for each processor? When I use,
> > mpirun -np 2 ./paraview
> > it opens up 2 instances of paraview.
>
> ??? That's what you asked it to do with "-np 2". Each
> instance knows it is using MPI and so uses the MPI library
> to connect to the other instances. "mpirun" will spread the
> instances out over as many processors as are available to it
> (one, in this case).
>
> Kent
>
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