On 11/03/11, Kannan Govindarajan <[email protected]> wrote: > Hi, > > I am trying to running the Gromacs application in more than 10 node beowulf > cluster if i run the gromacs application in 5 node cluster it is not > > showing any error. If i increase the number of nodes it throws the > communication error in mpich and program ends abruptly. Is it possible to run > the gromacs application in more than 10 node cluster. >
Yes. (Do be sure that MPICH is crashing GROMACS, not GROMACS crashing and provoking an MPICH message. See end of GROMACS .log, stdout and stderr.) Some versions of MPICH have known problems. I would install and recompile GROMACS with latest OpenMPI as my first move. Mark
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