Re: [OMPI users] MX questions

2009-06-28 Thread Dave Love
Scott Atchley writes: > George's answer supersedes mine. You must be using the MX bonding > driver to use more than one NIC per host. Will that be relevant for Open-MX, which I'm using rather than normal MX? (I'm afraid I don't know anything about how MX systems work generally.) For what it's

Re: [OMPI users] MX questions

2009-06-28 Thread Scott Atchley
On Jun 28, 2009, at 7:14 AM, Dave Love wrote: Scott Atchley writes: George's answer supersedes mine. You must be using the MX bonding driver to use more than one NIC per host. Will that be relevant for Open-MX, which I'm using rather than normal MX? (I'm afraid I don't know anything about

Re: [OMPI users] CPU user time vs. system time

2009-06-28 Thread Qiming He
I try a couple of things including your suggestion. I also find out this has been reported before, http://www.open-mpi.org/community/lists/users/2007/03/2904.php but there seems to be no clear solution so far: Here is what I observe: I keep the problem size fixed with 24 processes. I use two nodes

[OMPI users] Some Newbie questions

2009-06-28 Thread Ashika Umanga Umagiliya
Greeting all, I am new to Open MPI and I have some newbie questions. I have given 4 machines at our laboratory to set up Open MPI.Our net work is simply TCP/Ethernet running Debian Linux. 1) After installing OpenMPI on each machine ,do i need to run a service/daemon on each machine? (How doe