[Beowulf] What services do you run on your cluster nodes?
apittman at concurrent-thinking.com
Thu Sep 25 05:37:45 EDT 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
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.
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