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Question Re: G4mpi -> How To 

Forum: Multithreading
Re: Question G4mpi -> How To (Dylan Pierce)
Re: Idea Re: G4mpi -> How To (Andrea Dotti)
Re: Question Re: G4mpi -> How To (Dylan Pierce)
Re: Warning Re: G4mpi -> How To (Andrea Dotti)
Date: 06 Jan, 2016
From: Dylan Pierce <Dylan Pierce>

Good Day,

I have now ensured that the mpi installation is correct using a hello_world program. My next question is related to exMPI01. In the README file it shows how to compile the executable but doesn't show how to run the executable. I assume it is similar to the hello_world prgram I wrtoe where I used the following command to run it,

mpiexec -machinefile host_file -n 2 ./hello_world

Where the host_file contains the name of the two computers I am trying to run hello_world on, for example

computer1 computer2

Using this pronciple I have tried to run exMPI01 using,

mpiexec -machinefile host_file -n 2 ./exMPI01

Except, I am getting the program stalling and not actually running. Do you have any idea why this might happen? Is this the proper way to run the executable in Geant4 for that matter?

Regards, Dylan

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