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Subject: [hwloc-devel] Fwd: BGQ empty topology with MPI
From: Daniel Ibanez (dan.a.ibanez_at_[hidden])
Date: 2012-03-22 18:07:11

---------- Forwarded message ----------
From: Daniel Ibanez <dan.a.ibanez_at_[hidden]>
Date: Thu, Mar 22, 2012 at 6:06 PM
Subject: Re: [hwloc-devel] BGQ empty topology with MPI
To: Samuel Thibault <samuel.thibault_at_[hidden]>

I suspected this might be the reason, so I called "nm"
with the static versions of the libraries their compiler wrappers
link against and I could not find the term "hwloc" in the output.
Is this a valid test?

On Thu, Mar 22, 2012 at 6:35 AM, Samuel Thibault

> Brice Goglin, le Thu 22 Mar 2012 10:58:46 +0100, a écrit :
> > I don't see anything bad in your outputs.
> > So there's something strange going on when MPI is added. Which MPI are
> using?
> > Is this a derivative of MPICH that embeds hwloc? (MPICH >= 1.2.1 if I
> remember
> > correctly)
> There might be symbol conflicts then, indeed. That's the usual problem
> with embedding instead of using an installed library. Doesn't its
> configure use the installed library if one exists?
> Samuel

Dan Ibanez
Dan Ibanez