Re: [OMPI users] Fails to run "MPI_Comm_spawn" on remote host

2009-09-16 Thread Ralph Castain
Good to hear! I'll update the man page as it should have included that info. On Tue, Sep 15, 2009 at 9:48 PM, Jaison Paul wrote: > Hi Ralph, > > Thank you so much for your reply. Your tips worked! The idea is to set the > hosts first and then pick them using 'host' reserved key in MPI_info. Gre

Re: [OMPI users] Fails to run "MPI_Comm_spawn" on remote host

2009-09-15 Thread Jaison Paul
Hi Ralph, Thank you so much for your reply. Your tips worked! The idea is to set the hosts first and then pick them using 'host' reserved key in MPI_info. Great! Thanks a ton. I tried "-host" variable in mpirun like: "mpirun --prefix /opt/mpi/ompi-1.3.2/ -np 1 -host myhost1,myhost2 sp

Re: [OMPI users] Fails to run "MPI_Comm_spawn" on remote host

2009-09-15 Thread Ralph Castain
We don't support the ability to add a new host during a comm_spawn call in the 1.3 series. This is a feature that is being added for the upcoming new feature series release (tagged 1.5). There are two solutions to this problem in 1.3: 1. declare all hosts at the beginning of the job. You can then

Re: [OMPI users] Fails to run "MPI_Comm_spawn" on remote host

2009-09-15 Thread Jaison Paul
Hi All, I am waiting on some inputs on my query. I just wanted to know whether I can run dynamic child processes using 'MPI_Comm_spawn' on remote hosts? (in openmpi 1.3.2)). Has anyone did that successfully? Or OpenMPI hasnt implemented it yet? Please help. Jaison http://cs.anu.edu.au/~

[OMPI users] Fails to run "MPI_Comm_spawn" on remote host

2009-09-13 Thread Jaison Paul
Hi, I am trying to create a library using OpenMPI for an SOA middleware for my Phd research. "MPI_Comm_spawn" is the one I need to go for. I got a sample example working, but only on the local host. Whenever I try to run the spawned children on a remote hosts, parent cannot launch child