[Paraview] pvserver setup for multiple graphics cards on same node

[Christine Corbett Moran]

Thanks for the thorough answer, that covers all the issues I had with setup.
I am sure others will find the details helpful as well.

Cheers,
Christine

On Tue, Aug 11, 2009 at 5:03 PM, Moreland, Kenneth <kmorel at sandia.gov>wrote:

>  It just occurred to me that this really should be documented on the
> ParaView server set up Wiki page.  I added a couple of sections on using
> multiple GPUs per node and sharing GPUs on nodes.  I added an mpirun command
> based on our OpenMPI implementation, but I think other implementations use
> different syntax.  I would appreciate it if other users with experience in
> using multiple GPUs per node (that includes you, JB) go to the page add
> suggestions.  (In particular, could someone describe how to do it with
> MPICH?)
>
>
> http://www.paraview.org/Wiki/Setting_up_a_ParaView_Server#Multiple_GPUs_Per_Node
>
>
> -Ken
>
>
> On 8/11/09 7:20 AM, "John Biddiscombe" <biddisco at cscs.ch> wrote:
>
> Christine
>
> As you will notice from the start of the thread you link to, we use
> multiple GPUs on a single node (2 for us, but 4 for you).
>
> The secret is to ensure in your case that mpi jobs
> 0,1 have Display:0
> 2,3 have Display:1
> 4,5 have Display:2
> 6,7 have Display:3
>
> and then all will be well. you'll need a rather complicated mpirun -e blah
> blah command line.
>
> JB
>
>
> Hi,
>
> I currently have one linux node with four GPUs and a single 8 core CPU I'd
> like to setup as a Paraview server. I am unsure how to go about setting
> things up so that MPI assigns each pair of cores a different GPU, or if
> problems would arise with the 2 core/1 GPU ratio. Could someone who has
> experience with this issue give me some pointers regarding the setup?
>
> This thread, for example, seems to imply that I would run multiple
> instances of pvserver, somehow pointing each to a different GPU?
>  http://www.mail-archive.com/paraview@paraview.org/msg00501.html
>
> Thanks,
>  Christine
>
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>
>    ****      Kenneth Moreland
>     ***      Sandia National Laboratories
> ***********
> *** *** ***  email: kmorel at sandia.gov
> **  ***  **  phone: (505) 844-8919
>     ***      web:   http://www.cs.unm.edu/~kmorel<http://www.cs.unm.edu/%7Ekmorel>
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