[Beowulf] bizarre scaling behavior on a Nehalem

Rahul Nabar rpnabar at gmail.com
Thu Nov 12 19:21:59 EST 2009


On Tue, Nov 10, 2009 at 12:31 PM, Tiago Marques <a28427 at ua.pt> wrote:
> Hi all,
>
> Enjoy the performance increase, if you haven't still. To us it
> increased around 33% in conjunction with running 8 CPUs. It seems to
> me that groups may be useful to run with more nodes and not just one
> machine but I haven't had the chance to test that out.

THis is very interesting and promising Tiago. I still have not solved
my VASP scaling woes. I am going to give your fix a shot now.

-- 
Rahul
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