During the installation process, the OFED installer should have asked
you if you wanted to install Open MPI and/or MVAPICH. Both of these
MPI implementations are capable of communicating natively over the IB
interface.
Running MPI applications with Open MPI should natively choose the IB
interface at run time if your IB network is up and running properly
(e.g., try running ibv_devinfo to ensure that ports are listed in the
PORT_ACTIVE state, etc.). I assume that the same is true with
MVAPICH as well.
On Feb 27, 2007, at 6:35 AM, Bala wrote:
Hi All,
We have build and installed OFED-1.1
on RHEL-4 machines, while compiling selected
mpi support, pls through some light on how
to use mpi over IB interface, using what
modules etc. or do we need to install separate
mpi software to use.
thanks in advance,
-bala-
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