[Beowulf] RE: Compare and contrast MPI implementations

Leif Nixon nixon at nsc.liu.se
Fri Dec 16 08:40:15 PST 2005


"Douglas Eadline" <deadline at clustermonkey.net> writes:

>"David Mathog" <mathog at mendel.bio.caltech.edu> writes:
>> Sort of the same problem though.  lamboot (from lam-mpi) assumes
>> that hboot is in the path.  There's no time before it invokes
>> hboot to run "modules".  If there were a preceding stage in
>> this instance just using an export statement with PATH would
>> have done the trick.
>
> When I used modules in the past, there were environments set up for
> compilers and MPIs.
>
> For instance if I wanted to run LAM/MPI compiled for the Intel Compiler,
>
> module load intel
> module load lam/intel
>
> now I have a Intel compiler and LAM environment (compiled for intel).

But it doesn't help for David's problem; that environment variables
aren't passed across rsh.

-- 
Leif Nixon                       -            Systems expert
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National Supercomputer Centre    -      Linkoping University
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