Hello It's not a feature. This should work fine. Random guess: do you have NUMA headers on your build machine ? (package libnuma-dev or numactl-devel) (hwloc-info --support also report whether membinding is supported or not) Brice
Le 08/09/2016 16:34, Dave Love a écrit : > I'm somewhat confused by binding on Knights Landing -- which is probably > a feature. > > I'm looking at a KNL box configured as "Cluster Mode: SNC4 Memory Mode: > Cache" with hwloc 1.11.4; I've read the KNL hwloc FAQ entries. I ran > openmpi and it reported failure to bind memory (but binding to cores was > OK). So I tried hwloc-bind --membind and that seems to fail with no > matter what I do, reporting > > hwloc_set_membind 0x00000002 (policy 2 flags 0) failed (errno 38 Function > not implemented) > > Is that expected, and is there a recommendation on how to do binding in > that configuration with things that use hwloc? I'm particularly > interested in OMPI, but I guess this is a better place to ask. Thanks. > _______________________________________________ > hwloc-users mailing list > hwloc-users@lists.open-mpi.org > https://rfd.newmexicoconsortium.org/mailman/listinfo/hwloc-users _______________________________________________ hwloc-users mailing list hwloc-users@lists.open-mpi.org https://rfd.newmexicoconsortium.org/mailman/listinfo/hwloc-users