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[Bug 173719] Review Request: openmpi - a new MPI implementation



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Summary: Review Request:  openmpi - a new MPI implementation


https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=173719





------- Additional Comments From orion cora nwra com  2006-02-16 00:21 EST -------
I have to second Ed's comments.  I tried to shoe horn lam, mpich, and openmpi
into an alternatives style system and it just doesn't fit.  I might be
acceptable to use it for binaries and have, for example:

/usr/bin/mpif77.{name}
/usr/bin/mpirun.{name}
...

with alternatives for those, but not for anything else.  Everything else should
be in:

/usr/include/{name}
/usr/lib/{name}
/usr/share/{name}/man
...

with environment-modules files to select.

There are still unresolved issues though:

- Do we still want a default implementation accessible with no configuration by
the user?  If so, how to update /etc/ld.so.conf.d/ to point to the various
libraries, or do we instead load a particular module (how?).

- Can we guarantee that different mpi programs get the proper set of libraries
when started remotely?

- Others?

Ed - do most places get around the library issues by linking statically?



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