[Beowulf] bring back 2012?
pbisbal at pppl.gov
Tue Aug 23 08:33:43 PDT 2016
Oh my. I'm an idiot on multiple levels this morning. If anyone needs me,
I'll be standing over in the corner thinking about what I've done. I'll
be the one wearing the pointy hat.
On 08/23/2016 10:04 AM, Joe Landman wrote:
> Erp ...
> On 08/23/2016 09:58 AM, Prentice Bisbal wrote:
>> How much power does that system use at full-tilt? I'm guessing about
>> 2250 - 2500 kW.
>> On 08/22/2016 07:40 PM, Stu Midgley wrote:
>>> I measured the power draw of our 2RU 8 phi nodes with and without
>>> fans... the fans draw about 20% power.
>>> On a 2200kW node that's considerable.
> paraphrasing Shakespeare ...
> Methinks thou art 3 orders of magnitude too high and protesteth too much.
> 2.2MW anyone? 2200kW = 2.2MW. Per node. Thermals on that are gonna
> be wild ...
> At SC15, we saw the Russian machines at 400kW/rack ... so ... I am
> assuming a typo here ...
> FWIW: they were using specialized nodes and liquid cooling in closed
> loops. I think it was DI water, but I don't quite remember.
> Incredible (performance) density, tiny space.
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