[Beowulf] RE: Compare and contrast MPI implementations

Douglas Eadline deadline at clustermonkey.net
Thu Dec 15 15:58:34 EST 2005


> Thanks for the feedback so far.
>
> Now how about MPI coexistance?

MPI detente is possible. Check out the modules package.

http://modules.sourceforge.net/

--
Doug

>
> LAM-MPI wants PATH set in .bashrc or some similar
> startup file.  If memory serves, that was also the method
> used by Mpich(1.x).  MPICH2 at least seems to have a way
> around this since mpdboot works with no twiddling of
> startup files on the remote nodes.
>
> So then, if LAM-MPI and MPICH(1.x) both want PATH set to point
> to their own binary directories at login, from a single account,
> how does one run program A that wants MPICH and program B that wants
> LAM-MPI? Hopefully there's something better than "change the
> .bashrc file before each run"!
>
> Thanks,
>
> David Mathog
> mathog at caltech.edu
> Manager, Sequence Analysis Facility, Biology Division, Caltech
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-- 
Doug
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