[Beowulf] What services do you run on your cluster nodes?

Ashley Pittman apittman at concurrent-thinking.com
Thu Sep 25 02:37:45 PDT 2008

On Wed, 2008-09-24 at 14:45 +0000, richard.walsh at comcast.net wrote:

> A point of interest here is that reducing these service-related
> interrupts was an important element in improving the HPL efficiency of
> Windows HPC Server 2008 (over 2003) from sub 70% levels to closer to
> 80%.

Did this include turning the screen saver off?

> I am not sure at what scale this effect starts to become apparent.
> Sandia's concerns with this issue were what drove Cray to start with
> catamount on its initial XT3 offerings also.

It depends on the level of the noise, if it's bad then you'll see the
effects at 32 nodes.

Ashley Pittman.

More information about the Beowulf mailing list