Re: [OMPI users] forcing MPI to bind all sockets to 127.0.0.1

2007-05-30 Thread smairal
I use a shared memory system and for my MPI algorithm, I set the IP-addresses for all the nodes as 127.0.0.1 in some_hostfile and I execute the program using "mpirun --machinefile some_hostfile -np 4 prog-name". I think, by default the sm btl switch is ON. Will this help in such a case? I am not su

Re: [OMPI users] forcing MPI to bind all sockets to 127.0.0.1

2007-05-30 Thread Brian Barrett
Bill - This is a known issue in all released versions of Open MPI. I have a patch that hopefully will fix this issue in 1.2.3. It's currently waiting on people in the OPen MPI team to verify I didn't do something stupid. Brian On May 29, 2007, at 9:59 PM, Bill Saphir wrote: George,

Re: [OMPI users] forcing MPI to bind all sockets to 127.0.0.1

2007-05-30 Thread Bill Saphir
George, This is one of the things I tried, and the setting the oob interface did not work, with the error message below. Also, per this thread: http://www.open-mpi.org/community/lists/users/2007/05/3319.php I believe it is oob_tcp_include, not oob_tcp_if_include. The latter is sile

Re: [OMPI users] forcing MPI to bind all sockets to 127.0.0.1

2007-05-29 Thread George Bosilca
There are 2 sets of sockets: one for the oob layer and one for the MPI layer (at least if TCP support is enabled). Therefore, in order to achieve what you're looking for you should add to the command line "--mca oob_tcp_if_include lo0 --mca btl_tcp_if_include lo0". george. On May 29, 200