Re: [OMPI users] Changing the MPIRUN/MPIEXEC semantics

2009-07-03 Thread Ralph Castain
app0 will have ranks 0-2, app2 will have rank 3-(2+x), app3 will have rankyou get the picture. On Jul 3, 2009, at 10:14 AM, Simone Pellegrini wrote: Ralph Castain wrote: Sure: mpirun --np 3 mpi_app1 "app1_args" : -np x mpi_app2 "app2_args" : - np y mpi_app3 "app3_args" Nice, but wha

Re: [OMPI users] Changing the MPIRUN/MPIEXEC semantics

2009-07-03 Thread Simone Pellegrini
Ralph Castain wrote: Sure: mpirun --np 3 mpi_app1 "app1_args" : -np x mpi_app2 "app2_args" : -np y mpi_app3 "app3_args" Nice, but what the implication with the process rank? Can I assume that app1 will have rank 0, app2 rank 1 and app3 rank 3? or there are no assumption that can me made?

Re: [OMPI users] Changing the MPIRUN/MPIEXEC semantics

2009-07-03 Thread Ralph Castain
Sure: mpirun --np 3 mpi_app1 "app1_args" : -np x mpi_app2 "app2_args" : -np y mpi_app3 "app3_args" On Jul 3, 2009, at 9:36 AM, Simone Pellegrini wrote: Dear all, current implementation of mpirun starts the executable in different nodes. For some reason I need to start different MPI appli