[OMPI users] mpirun problem when running on more than three hosts with OpenMPI 1.8

2014-04-11 Thread Allan Wu
Hello everyone, I am running a simple helloworld program on several nodes using OpenMPI 1.8. Running commands on single node or small number of nodes are successful, but when I tried to run the same binary on four different nodes, problems occurred. I am using 'mpirun' command line like the follo

Re: [OMPI users] mpirun problem when running on more than three hosts with OpenMPI 1.8

2014-04-13 Thread Allan Wu
esolve the tree spawn issue so that a daemon on one of your > nodes is capable of ssh-ing a daemon on another node > > Either way will work. > Ralph > > > On Apr 11, 2014, at 11:17 AM, Allan Wu wrote: > > > Hello everyone, > > > > I am running a simple hellow