Hi, thanks for the reply.
How can cuda branch help me? lstopo output of that branch is the same of the trunk. Another question: the GPU IDs are the same (10de: 06d2). How is it possible? Thanks. 2012/8/28 Samuel Thibault <samuel.thiba...@inria.fr> > Brice Goglin, le Tue 28 Aug 2012 14:43:53 +0200, a écrit : > > > $ lstopo > > > Socket #0 > > > Socket #1 > > > PCI... > > > (connected to socket #1) > > > > > > vs > > > > > > $ lstopo > > > Socket #0 > > > Socket #1 > > > PCI... > > > (connected to both sockets) > > > > Fortunately, this won't occur in most cases (including Gabriele's > > machines) because there's a NUMAnode object above each socket. > > Oops, I actually meant NUMAnode above > > > Both the socket and the PCI bus are drawn inside the NUMA box, so > > things appear OK in graphics to. > > Indeed, if the PCI bus was connected to one NUMAnode/socket only, it > would be drawn inside, which is not the case. > > > Gabriele, assuming you have a dual Xeon X56xx Westmere machine, there > > are plenty of such platforms where the GPU is indeed connected to both > > sockets. Or it could be a buggy BIOS. > > Agreed. > > Samuel > _______________________________________________ > hwloc-users mailing list > hwloc-us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users > -- Ing. Gabriele Fatigati HPC specialist SuperComputing Applications and Innovation Department Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy www.cineca.it Tel: +39 051 6171722 g.fatigati [AT] cineca.it