Re: [OMPI users] Abort/ Deadlock issue in allreduce (Gilles Gouaillardet)

2016-12-12 Thread Christof Koehler
lib/libmpi.so.20 > >> #3 0x2b11daf8b399 in pmpi_finalize__ () from > >> /usr/local/openmpi/2.0.1/x86_64/ib/intel/12.1.6/lib/libmpi_mpifh.so.20 > >> #4 0x004199c5 in m_exit () at mpi.F:375 > >> #5 0x00dab17f in full_kpoints::set_indpw_full (gr

Re: [OMPI users] How to yield CPU more when not computing (was curious behavior during wait for broadcast: 100% cpu)

2016-12-12 Thread Dave Love
Andreas Schäfer writes: >> Yes, as root, and there are N different systems to at least provide >> unprivileged read access on HPC systems, but that's a bit different, I >> think. > > LIKWID[1] uses a daemon to provide limited RW access to MSRs for > applications. I wouldn't wonder if support for