Yo David What system are you running this on? RoadRunner? If so, I can take a look at "fixing" it for you tomorrow (Thurs).
Ralph On 3/21/07 10:17 AM, "David Daniel" <d...@lanl.gov> wrote: > I'm experimenting with heterogeneous applications (x86_64 <--> > ppc64), where the systems share the file system where Open MPI is > installed. > > What I would like to be able to do is something like this: > > mpirun --np 1 --host host-x86_64 --prefix /opt/ompi/x86_64 > a.out.x86_64 : --np 1 --host host-ppc64 --prefix /opt/ompi/ppc64 > a.out.ppc64 > > Unfortunately it looks as if the second --prefix is always ignored. > My guess is that orte_app_context_t::prefix_dir is getting set, but > only the 0th app context is never consulted (except in the dynamic > process stuff where I do see a loop over the app context array). > > I can of course work around it with startup scripts, but a command > line solution would be attractive. > > This is with openmpi-1.2. > > Thanks, David > > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel