[Bug 173719] Review Request: openmpi - a new MPI implementation
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Thu Feb 16 05:21:29 UTC 2006
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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 at 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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