[OMPI users] Rank to host mapping

Hi, I want to map specific ranks to specific hosts on a cluster, in not-so-usual patterns. A very simplified example could be: hosts ranks === node0 1,2,4 node1 3,4,6 Is there any way of specifying something like this in Open MPI? Thank you, Torje S. Henriksen (tor...@stud.cs.ui

[OMPI users] mca_oob_tcp_peer_try_connect: messages

Any ideas about this. One dual core operton box talking to another using infincon/silverstorm/qlogic hardware and mvapi (actually it's the same just using ethernet and tcp): $OPENMPI_INFINICON_GCC_MVAPI/bin/mpicc cpi.c $OPENMPI_INFINICON_GCC_MVAPI/bin/-np 4 -machinefile j ./a.out [s0121:07450] [1