As an aside, I would guess most people know this tool, but if you don't install and have a close look at the hardware layout of your systems:
http://www.open-mpi.org/projects/hwloc/ Install the hwloc package and run 'lstopo' to look at the system topology. Also can show where your IO and graphics cards are. (Yes I KNOW they are somewhere inside the box - but in a big system placement of cards like that can be relevant). numactl --hardware and watch numastat are your friends also. The contents of this email are confidential and for the exclusive use of the intended recipient. If you receive this email in error you should not copy it, retransmit it, use it or disclose its contents but should return it to the sender immediately and delete your copy. _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
