ke a good idea. We're also curious if a
> > simple "hello world" MPI program can link using gcc + the flags from
> > mpic++ -show.
> >
> > -tom
> >
> > --- Forwarded Message
> >
> > From: Jeff Squyres
> > In-Reply-To:
>
It depends on how Open MPI was built.
If Open MPI was built without plugins (i.e., all the plugins are slurped up
into libmpi and friends), then yes, applications need to link against librdmacm
to use the RDMA CM mode of OpenFabrics transport.
If Open MPI was built with plugins (which is the de
Simon Su writes:
> Hi Tom,
>
> I am using the standard openmpi package that run on all the cluster
> machines here at Princeton. So, maybe I shouldn't touch openmpi. But,
> removing -lrdmacm from the MPI_LIBS line in the machinename.conf file
> worked. Any implication from doing this?
The only t
