+1 In my experience moving software, especially something of the complexity of (Open) MPI, is much more troublesome (and often just useless frustration) and time consuming than recompiling it. Hardware, OS, kernel, libraries, etc, are unlikely to be compatible. Gus Correa
On Fri, Jul 24, 2020 at 1:03 PM Ralph Castain via users < users@lists.open-mpi.org> wrote: > While possible, it is highly unlikely that your desktop version is going > to be binary compatible with your cluster... > > On Jul 24, 2020, at 9:55 AM, Lana Deere via users < > users@lists.open-mpi.org> wrote: > > I have open-mpi 4.0.4 installed on my desktop and my small test programs > are working. > > I would like to migrate the open-mpi to a cluster and run a larger program > there. When moved, the open-mpi installation is in a different pathname > than it was on my desktop and it doesn't seem to work any longer. I can > make the libraries visible via LD_LIBRARY_PATH but this seems > insufficient. Is there an environment variable which can be used to tell > the open-mpi where it is installed? > > Is it mandatory to actually compile the release in the ultimate > destination on each system where it will be used? > > Thanks. > > .. Lana (lana.de...@gmail.com) > > > >
