[Beowulf] RE: Compare and contrast MPI implementations

Jeffrey B. Layton laytonjb at charter.net
Thu Dec 15 14:20:11 EST 2005


David,

   I recommend using 'modules' to help with this problem.

http://modules.sourceforge.net/


Jeff

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