Subject: Re: [OMPI users] 50% performance reduction due toOpenMPI v 1.3.2 forcing all MPI traffic over Ethernet insteadof using Infiniband
From: Jim Kress ORG (jimkress_58_at_[hidden])
Date: 2009-06-23 21:02:28
According to the author(s) it was compiled/linked against v1.3.2
Jim
On Tue, 2009-06-23 at 19:29 -0400, Jeff Squyres wrote:
> You mentioned that you only have a binary for your executable. Was it
> compiled / linked against v1.3.2?
>
> We did not introduce ABI compatibility until v1.3.2 -- if the
> executable was compiled/linked against any version prior to that, it's
> pure luck that it works with the 1.3.2 shared libraries at all.
>
>
> On Jun 23, 2009, at 7:25 PM, Jim Kress ORG wrote:
>
> > This is what I get
> >
> > [root_at_master ~]# ompi_info | grep openib
> > MCA btl: openib (MCA v2.0, API v2.0, Component
> > v1.3.2)
> > [root_at_master ~]#
> >
> > Jim
> >
> >
> > On Tue, 2009-06-23 at 18:51 -0400, Jeff Squyres wrote:
> > > openib (OpenFabrics) plugin is installed
> > > and at least marginally opera
> >
> > _______________________________________________
> > users mailing list
> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
> >
>
>