Charles Loomis wrote: > Hello, > > I've managed to get a reasonable configuration of torque, maui, mpich, > and mpiexec working at LAL. The configuration fixes the problem you > describe below and also adds support for mpiexec. It uses newer > versions of torque and mpich than are standard in the LCG/EGEE > distribution. The newer versions are running at LAL and work well. > > There is a short readme on the configuration which needs to be changed > here: > > http://grid05.lal.in2p3.fr/mpi/readme.txt > > and the rpms can be found here: > > http://grid05.lal.in2p3.fr/mpi/ Should we use those for LCG-2_4_0? Steve, what about your version? > MPICH and mpiexec have been compiled to use p4 by default which is > probably what you'll want. > > Cheers. > > Cal > > > > Klaere Cassirer wrote: > >> Hello, >> I have questions about MPICH jobs. Our site runs LCG2.3 on SL3 with the >> maui >> scheduler and pbs. >> - Does anybody know how to specify a NODENUMBER greater than the >> number of >> WNs on a site, which has more than 1 CPU per WN? I want to use all >> available >> CPUs (here: 2 CPUs per WN). >> - How can I tell maui to reserve x nodes for me, but only one CPU per >> node? >> >> In LCG2.2 times I specified nodenumber=x, then ran a script which >> started 2 >> mpich-processes on each of the x nodes. But with maui, I get x CPUs >> (every >> 2nd on the same WN), but not more. >> >> Regards >> >> -- >> Klaere Cassirer >> Fraunhofer-Institute for Algorithms and Scientific Computing (SCAI) >> Schloss Birlinghoven >> D-53754 Sankt Augustin >> >> Tel: +49 - 2241 - 14 - 2758 >> Fax: +49 - 2241 - 14 - 42758 >> E-mail: [log in to unmask] >> Internet: http://www.scai.fraunhofer.de >>