NDAs Re: [Beowulf] Nvidia, cuda, tesla and... where's my double floating point?

Greg Lindahl lindahl at pbm.com
Tue Jun 17 14:23:56 EDT 2008


On Tue, Jun 17, 2008 at 10:43:07AM -0700, Jim Lux wrote:

> For instance, do co-lo facilities charge you for power, or is 
> it like office space, where you rent it by the square foot, and an 
> assumed amount of power and HVAC comes with the price.

The typical colo charges by space, with a certain amount of power per
rack, but in practice the limit is power. As an example, the new colo
I'm moving into only gives me enough power for 16 machines per
rack. But older colos are only 2/3 of that. These are HPCish nodes.

I was pretty surprised by this, as most HPC machine rooms allow a
significantly higher power density.

> but still, in 
> the long run the cost to do the job MUST be less than what the 
> customer is willing to pay (unless the owner is some sort of 
> philanthropist, naive, or a fool)

Mmmmmmmmmmmmf. MMMMF!

-- greg


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