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From: Anthony Chan (chan_at_[hidden])
Date: 2006-01-04 19:24:17


Hi Jeff,

On Wed, 4 Jan 2006, Jeff Squyres wrote:

> Anthony --
>
> I'm really sorry; we just noticed this message today -- it got lost
> in the post-SC recovery/holiday craziness. :-(

I understand. :)
>
> Your request is fairly reasonable, but I wouldn't want to make it the
> default behavior. Specifically, I can envision some scenarios where
> it might be problematic (e.g., heterogeneous situations -- which we
> don't yet support, but definitely will someday).
>
> How about this -- an ISV asked me for a similar feature a little
> while ago: if mpirun is invoked with an absolute pathname, then use
> that base directory (minus the difference from $bindir) as an option
> to an implicit --prefix.
>
> (your suggestion may actually be parsed as exactly that, but I wasn't
> entirely sure)

Yes, that is what I meant. The change should make things easier for
typical MPI users.

Thanks,
A.Chan
>
>
> On Nov 22, 2005, at 12:20 PM, Anthony Chan wrote:
>
> >
> > This is not a bug just wonder if this can be improved. I have been
> > running openmpi linked program with command
> >
> > <openmpi-install-dir>/bin/mpirun --prefix <openmpi-install-dir> \
> > --host A -np N a.out
> >
> > My understanding is that --prefix allows extra search path in
> > addition to
> > PATH and LD_LIBRARY_PATH, correct me if I am wrong. Assuming that
> > openmpi's install directory structure is fixed, would it possible for
> > mpirun to search <openmpi-install-dir> automatically for libmpi.so &
> > friends so to avoid the redundant --prefix <openmpi-install-dir> to
> > mpirun ?
> >
> > Thanks,
> > A.Chan
> >
> > _______________________________________________
> > users mailing list
> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
> --
> {+} Jeff Squyres
> {+} The Open MPI Project
> {+} http://www.open-mpi.org/
>
>
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