I’ve been running with hwloc 2.0.1 for quite some time now without problem, including use of the shared memory segment. It would be interesting to hear what changes you had to make.
However, that said, there is a significant issue in ORTE when trying to map-by NUMA as hwloc 2.0.1 no longer associates cpus with NUMA regions. So you’ll get an error when you try it. Unfortunately, that is the default mapping policy when #procs > 2. > On May 22, 2018, at 8:46 AM, Vallee, Geoffroy R. <valle...@ornl.gov> wrote: > > Hi, > > HWLOC 2.0.x support was brought up during the call. FYI, I am currently using > (and still testing) hwloc 2.0.1 as an external library with master and I did > not face any major problem; I only had to fix minor things, mainly for > putting the HWLOC topology in a shared memory segment. Let me know if you > want me to help with the effort of supporting HWLOC 2.0.x. > > Thanks, > _______________________________________________ > devel mailing list > devel@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/devel _______________________________________________ devel mailing list devel@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/devel
