Thanks for the heads up Joseph, you sent me in the right direction.
Very helpful indeed, although the command that seems to be doing the
trick on my system is
$taskset -c X ...
On Feb 7, 2008, at 2:47 PM, Joe Landman wrote:
> Torje Henriksen wrote:
>> Still, all eight cores are being used. I can see why you would want
>> use all cores, and I can see that oversubscribing a sub-set of the
>> cores might seem silly. My question is, is it possible to do what I
>> want to do without hacking the open mpi code?
> Could you get numactl to help you do what you want? That is, for the
> code, somehow tweak the launcher to run
> numactl --physcpubind=X ...
> or similar?
> Joseph Landman, Ph.D
> Founder and CEO
> Scalable Informatics LLC,
> email: landman_at_[hidden]
> web : http://www.scalableinformatics.com
> phone: +1 734 786 8423
> fax : +1 866 888 3112
> cell : +1 734 612 4615
> users mailing list