Re: [Condor-users] measuring power of cluster

[Mag Gam <magawake@xxxxxxxxx>]

I believe you.

I have a fairy large pool and I want to see how ours stack with to the
top 500. We have close to 1000 node cluster on weekdays and on
weekends it almost triples...



On Tue, Aug 10, 2010 at 8:58 AM, Carsten Aulbert
<carsten.aulbert@xxxxxxxxxx> wrote:
> Hi Mag Gam
>
> On Tuesday 10 August 2010 14:47:47 Mag Gam wrote:
>> Out of curiosity how does one measure the total CPU power of a condor
>> pool? I see there is a http://en.wikipedia.org/wiki/TOP500 and I am
>> sure they too use some sort of cluster to manage their jobs how do
>> these people do it? I would like to run this test on my cluster...
>
> Good luck. Unfortunately, running linpack (top500) is not so straight forward
> - compiling is the easy part. Optimizing it for your setup is time consuming
> and a single run can easily last for hours (at least it did for us).
>
> To get (close) to the optimum you need experience (or a lot of luck).
>
> An easy number to quote is what condor derives from its benchmarking or what
> the theoretical peak performance of your CPUs is.
>
> Sorry for not being very specific but it's really hard to get a good metric.
>
> Cheers
>
> Carsten
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