[Beowulf] RE: Compare and contrast MPI implementations
Robert G. Brown
rgb at phy.duke.edu
Fri Dec 16 12:22:07 EST 2005
On Fri, 16 Dec 2005, Leif Nixon wrote:
> "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.
Making it a GREAT time to point out that environment variables CAN be
passed across ssh. See man ssh, ~/.ssh/environment.
Robert G. Brown http://www.phy.duke.edu/~rgb/
Duke University Dept. of Physics, Box 90305
Durham, N.C. 27708-0305
Phone: 1-919-660-2567 Fax: 919-660-2525 email:rgb at phy.duke.edu
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