Ah, okay - in that case, having the I/O device attached to the "closest" object at each depth would be ideal from an OMPI perspective.
On Feb 9, 2012, at 6:30 AM, Brice Goglin wrote: > The bios usually tells you which numa location is close to each host-to-pci > bridge. So the answer is yes. > Brice > > > Ralph Castain <r...@open-mpi.org> a écrit : > I'm not sure I understand this comment. A PCI device is attached to the node, > not to any specific location within the node, isn't it? Can you really say > that a PCI device is "attached" to a specific NUMA location, for example? > > > On Feb 9, 2012, at 6:15 AM, Jeff Squyres wrote: > >> That doesn't seem too attractive from an OMPI perspective, though. We'd >> want to know where the PCI devices are actually rooted. > > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
