Le 29/10/2015 21:04, Fabian Wein a écrit : >> If you're compiling Open MPI from source, you need the -devel package >> so that the libnuma header files are installed (and therefore Open >> MPI [i.e., the hwloc embedded in Open MPI] can include those header >> files and then compile support for libnuma). >> > > Can I also test the numa capability via a hwloc command line tool? I > tried it also with configuring open-mpi to use my manually built > hwloc, it didn't change anything.
If your hwloc was built without libnuma support, you will get the following error: $ hwloc-bind --membind node:0 -- echo foo hwloc_set_membind 0x0000000f failed (errno 38 Function not implemented) The summary at the very end of configur would also say: libnuma memory support: no Brice
