He's building and running on a single server (leo). From the configure output, all the numa libs and headers are available on this leo server.
> On Oct 30, 2015, at 11:09 AM, Ralph Castain <[email protected]> wrote: > > I think Dave has probably hit the problem - that node may well not have a > “numa” object. You also might check that node “leo” has libnuma on it > > >> On Oct 30, 2015, at 6:48 AM, Dave Love <[email protected]> wrote: >> >> Fabian Wein <[email protected]> writes: >> >>> Is this a valid test? >>> >>> >>> /opt/openmpi-1.10.0-gcc/bin/mpiexec -n 4 hostname >>> leo >>> leo >>> leo >>> leo >> >> So, unless you turned off the default binding -- to socket? check the >> mpirun man page -- it worked, but the "numa" level failed. I don't know >> if that level has to exist, and there have been bugs in that area >> before. Running lstopo might be useful, and checking that you're >> picking up the right hwloc dynamic library. >> >> What happens if you try to bind to sockets, assuming you don't want to >> bind to cores? [I don't understand why the default isn't to cores when >> you have only one process per core.] >> >>> /opt/openmpi-1.10.0-gcc/bin/mpiexec -bind-to numa -n 4 hostname >>> -------------------------------------------------------------------------- >>> A request was made to bind a process, but at least one node does NOT >>> support binding processes to cpus. >>> >>> Node: leo >>> This usually is due to not having libnumactl and libnumactl-devel >>> installed on the node. >> >> By the way, you can check the binding done, independently to what >> openmpi says, with >> mpirun ... hwloc-ps >> _______________________________________________ >> users mailing list >> [email protected] >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >> Link to this post: >> http://www.open-mpi.org/community/lists/users/2015/10/27957.php > > _______________________________________________ > users mailing list > [email protected] > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/10/27958.php -- Jeff Squyres [email protected] For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
