Le 22/03/2012 23:07, Daniel Ibanez a Ã©crit :
> 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?
If your hwloc is still compiled with debug enabled, you can rebuild/run
your MPI program with it. You should get the huge verbose output on
stderr as long as you call hwloc_topology_init() and load(). If you
don't get anything, some other hwloc is used instead of yours.