Re: [OMPI users] metahosts (like in MP-MPICH)

2009-03-04 Thread Yury Tarasievich
Jeff Squyres wrote: ... In general, you need both OMPI and your application compiled natively for each platform. One easy way to do this is to install Open MPI locally on each node in the same filesystem location (e.g., /opt/openmpi-). You also want exactly the same version of Open MPI on a

Re: [OMPI users] metahosts (like in MP-MPICH)

2009-03-04 Thread Jeff Squyres
On Mar 4, 2009, at 11:38 AM, Yury Tarasievich wrote: I'm not quite sure what an MP-MPICH meta host is. Open MPI allows you to specify multiple hosts in a hostfile and run a single MPI job across all of them, assuming they're connected by at least some common TCP network. What I need is one

Re: [OMPI users] metahosts (like in MP-MPICH)

2009-03-04 Thread Yury Tarasievich
Jeff Squyres wrote: I'm not quite sure what an MP-MPICH meta host is. Open MPI allows you to specify multiple hosts in a hostfile and run a single MPI job across all of them, assuming they're connected by at least some common TCP network. What I need is one MPI job put for distributed compu

Re: [OMPI users] metahosts (like in MP-MPICH)

2009-03-04 Thread Jeff Squyres
I'm not quite sure what an MP-MPICH meta host is. Open MPI allows you to specify multiple hosts in a hostfile and run a single MPI job across all of them, assuming they're connected by at least some common TCP network. On Mar 4, 2009, at 4:42 AM, Yury Tarasievich wrote: Can't find this i

[OMPI users] metahosts (like in MP-MPICH)

2009-03-04 Thread Yury Tarasievich
Can't find this in FAQ... Can I create the metahost in OpenMPI (a la MP-MPICH), to execute the MPI application simultaneously on several physically different machines connected by TCP/IP? --