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[General] Paraview with MPI Support

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Old   February 29, 2016, 04:39
Default Paraview with MPI Support
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Hi I guess this is a better place to ask about Paraview and OpenFoam-Ext, perhaps i'll get better luck here

I have successfully build OpenFoam Ext 3.2, including the Third Party applications. I tried running Paraview in parallel using the command

mpirun -env I_MPI_DEBUG 5 -ppn 8 -n 16 -hosts node0,node1 -env I_MPI_FABRICS=shm:dapl -env I_MPI_DAPL_PROVIDER=ofa-v2-ib0 -env I_MPI_DYNAMIC_CONNECTION=0 pvserver -display :0.0

However, i get the following output from my torque job that i use to submit the above

Connection URL: cs://node0:11111
Exiting...
Waiting for client...
Connection URL: cs://node0:11111
Exiting...
Connection URL: cs://node1:11111
Exiting...
...........

(slightly cut down, but 1 instance succeeds on each node, all other instances fail)

So after a bit of research i find i need to explicitly enable MPI support.

I hope i affected the correct files, i found two spec files that related to Paraview

ParaView-4.3.1_Server.spec
ParaView-4.3.1.spec

in both files i have set _withMPI to true

%{!?_withMPI: %define _withMPI true}

and rebuild paraview (after running ./Allclean.stage4)

I still have the same problem where multiple instances of paraview are started but only one succeeds (one on each node binds to the port).

(tbh i barely know what im doing in this space, its not my area of expertise, and the client seem unable to build it themselves.)

Have i affected the right file? pvserver -V returns

paraview version 4.3.1

Is there any other files i need to affect? Is my mpi command correct? i am submitting it through Torque.

Thanks in advance
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