[OMPI users] What Really Happens During OpenMPI MPI_INIT?

Hi , Can anyone please enlighten us about what really happens in MPI_init() in openMPI? More specifically i am interested in knowing 1.Functions that needs to accomplished during MPI_init() 2.What has already been implemented in openMPI MPI_Init 2. The routines called/invoked that perform the

[OMPI users] Help regarding send/recv code

Hi, I am a novice to openmpi. Just managed to get openmpi running on my system. I would like to modify the code for send and recv. The target lower level device will be ethernet and infiniband. I would like to know the files/functions to look for. Could you please guide me in this. thanks, -M

[OMPI users] Orted Command Not found

Hi, I am trying to build a cluster with 2 nodes each being a dual processor xeon machine. I have installed openMPI on one of the machines in /opt/open-mpi folder and have kept the folder shared across the network thru nfs mounted again in the same folder. Now I would like to run mpi code involv