Try using the info parameter in MPI::Intracomm::Spawn(). In this structure, you can say in which hosts you want to spawn.
Info parameters for MPI spawn: http://www.mpi-forum.org/docs/mpi-20-html/node97.htm 2007/12/12, Elena Zhebel <ezhe...@fugro-jason.com>: > > Hello, > > I'm working on a MPI application where I'm using OpenMPI instead of MPICH. > > In my "master" program I call the function MPI::Intracomm::Spawn which > spawns "slave" processes. It is not clear for me how to spawn the "slave" > processes over the network. Currently "master" creates "slaves" on the same > host. > If I use 'mpirun --hostfile openmpi.hosts' then processes are spawn over > the network as expected. But now I need to spawn processes over the network > from my own executable using MPI::Intracomm::Spawn, how can I achieve it? > > Thanks in advance for any help. > Elena > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
