Yes, it is implied but a line somewhere might help. Thanks Kavitha
On Feb 5, 2018, at 4:27 PM, Brice Goglin <brice.gog...@inria.fr<mailto:brice.gog...@inria.fr>> wrote: Yes, one and only one, the top-level root object of the topology. This is somehow implied by the doc of HWLOC_OBJ_MACHINE itself ("The root object type"), I guess I should make it even more clear there? If there's another place in the doc where this should be added/clarified, please let me know. Brice Le 05/02/2018 à 23:19, Madhu, Kavitha Tiptur a écrit : Hi Thanks for the response. Could you also confirm if hwloc topology object would have only machine node? Thanks, Kavitha On Feb 5, 2018, at 4:14 PM, Brice Goglin <brice.gog...@inria.fr<mailto:brice.gog...@inria.fr>> wrote: Hello, Oops, sorry, this sentence is obsolete, I am removing it from the doc right now. We don't support the assembly of multiple machines in a single hwloc topology anymore. For the record, this feature was a very small corner case and it had important limitations (you couldn't bind things or use cpusets unless you were very careful about which host you were talking about), and it made the core hwloc code much more complex. Thanks for the report Brice Le 05/02/2018 à 23:02, Madhu, Kavitha Tiptur a écrit : Hi I have a question on topology query. The hwloc 2.0.0 documentation states that "Additionally it may assemble the topologies of multiple machines into a single one so as to let applications consult the topology of an entire fabric or cluster at once.”. Since “system” object type has been removed from hwloc, does this statement mean that multiple “machine” nodes in the topology object would be combined to one? I can see in function“hwloc_topology_check” that machine node is at depth 0 and there are no machine nodes at depth other than 0. Can anyone confirm this? Thanks Kavitha _______________________________________________ hwloc-users mailing list hwloc-users@lists.open-mpi.org<mailto:hwloc-users@lists.open-mpi.org> https://lists.open-mpi.org/mailman/listinfo/hwloc-users _______________________________________________ hwloc-users mailing list hwloc-users@lists.open-mpi.org<mailto:hwloc-users@lists.open-mpi.org> https://lists.open-mpi.org/mailman/listinfo/hwloc-users _______________________________________________ hwloc-users mailing list hwloc-users@lists.open-mpi.org<mailto:hwloc-users@lists.open-mpi.org> https://lists.open-mpi.org/mailman/listinfo/hwloc-users _______________________________________________ hwloc-users mailing list hwloc-users@lists.open-mpi.org<mailto:hwloc-users@lists.open-mpi.org> https://lists.open-mpi.org/mailman/listinfo/hwloc-users
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