On 10/04/10 06:59, Oliver Geisler wrote:
This is the results of skampi pt2pt, first with shared memory allowed,
second shared memory excluded.
For what it's worth I can't replicate those results on an AMD Shanghai
cluster running a 2.6.32 kernel and Open-MPI 1.4.1.
Here is what I see (run und
On 10/04/10 15:12, Bogdan Costescu wrote:
Have there been any process scheduler changes in the newer kernels ?
Are there ever kernels where that doesn't get tweaked ? ;-)
I'm not sure that they could explain four orders of magnitude
differences though...
One idea that comes to mind would b