Resuscitating this thread...
Well, we spent some time testing the various options, and Leonardo's
suggestion seems to work!
We disabled TCP Segment Offloading on the e1000 NICs using "ethtool -K
eth tso off" and this type of crash no longer happens.
I hope this message can help anyone else exper
Sangamesh B wrote:
I reinstalled all softwares with -O3 optimization. Following are the
performance numbers for a 4 process job on a single node:
MPICH2: 26 m 54 s
OpenMPI: 24 m 39 s
I'm not sure I'm following. OMPI is faster here, but is that a result
of MPICH2 slowing down? The or
> -Original Message-
> From: users-boun...@open-mpi.org
> [mailto:users-boun...@open-mpi.org] On Behalf Of Ralph Castain
> Sent: Wednesday, October 22, 2008 8:02 AM
> To: Open MPI Users
> Subject: Re: [OMPI users] OpenMPI runtime-specific
> environment variable?
>
> What I think Brian is tr
