[mvapich-discuss] Is there any way to use mvapich2 on cluster without ib?

[Dhabaleswar Panda]

> So mvapich2's tcp/ip communication is completely the same with MPICH2
> including collective communication? Is this correct?

Yes, this is correct.

DK

> Teng
>
> On Thu, Aug 18, 2011 at 2:27 PM, Brock Palen <brockp at umich.edu> wrote:
>
> > Teng,
> >
> > Why not just build mpich2 ?  My understanding is mvapich is mpich2 heavily
> > modified and optimized for verbs/psm etc.
> >
> > I don't think the mvapich guys even if TCP/IP worked optimize for it.
> >
> > Brock Palen
> > www.umich.edu/~brockp <http://www.umich.edu/%7Ebrockp>
> > Center for Advanced Computing
> > brockp at umich.edu
> > (734)936-1985
> >
> >
> >
> > On Aug 18, 2011, at 2:14 PM, teng ma wrote:
> >
> > > e.g. ethernet cluster.    I can configure and compile mvapich2-1.7rc on a
> > cluster without librdmacm.so.1
> > > But when mpirun_rsh,  It complains about lacking librdmacm.so.1.
> > >
> > > Is there any option in configure to disable ib compiling in mvapich2?
> > >
> > > Teng
> > > _______________________________________________
> > > mvapich-discuss mailing list
> > > mvapich-discuss at cse.ohio-state.edu
> > > http://mail.cse.ohio-state.edu/mailman/listinfo/mvapich-discuss
> >
> >
>