Re: [OMPI users] using ompi-server on a single node

2009-01-06 Thread Ralph Castain
The code that discovers local interfaces specifically ignores any interfaces that are not up or are just local loopbacks. My guess is that the person who wrote that code long, long ago was assuming that the sole purpose was to talk to remote nodes, not to loop back onto yourself. I

Re: [OMPI users] using ompi-server on a single node

2009-01-05 Thread Terry Frankcombe
But why doesn't tcp work on loopback? On Mon, 2009-01-05 at 07:25 -0700, Ralph Castain wrote: > It is currently a known limitation - shared memory currently only > works between procs from the same job. There is an enhancement coming > that will remove this restriction, but it won't be out

Re: [OMPI users] using ompi-server on a single node

2009-01-05 Thread Ralph Castain
It is currently a known limitation - shared memory currently only works between procs from the same job. There is an enhancement coming that will remove this restriction, but it won't be out for some time. Ralph On Jan 5, 2009, at 1:06 AM, Thomas Ropars wrote: Hi, I've tried to use

[OMPI users] using ompi-server on a single node

2009-01-05 Thread Thomas Ropars
Hi, I've tried to use ompi-server to connect 2 processes belonging to different jobs but running on the same computer. It works when the computer has a network interface up. But if the only active network interface is the local loop, it doesn't work. According to what I understood reading the