[Beowulf] 6 TFlops, 450 MFlops/W watercooled IBM @ ETH

[Per Jessen]

"C. Bergström" wrote:

> Eugen Leitl wrote:
>> http://www.physorg.com/news197295578.html
>>
>> IBM Hot Water-Cooled Supercomputer Goes Live at ETH Zurich
>>
>> July 2, 2010
>>
>> (PhysOrg.com) -- IBM has delivered a first-of-a-kind hot water-cooled
>> supercomputer to the Swiss Federal Institute of Technology Zurich
>> (ETH
>> Zurich), marking a new era in energy-aware computing.  The innovative
>> system, dubbed Aquasar, consumes up to 40 percent less energy than a
>> comparable air-cooled machine. Through the direct use of waste heat
>> to provide warmth to university buildings
>
> Others have already made the joke that Fermi could double as a space
> heater, but I wonder if that could end up being reality..  It's also
> not really breaking news that a water cooled system is more efficient
> than air, but how real world tested is this? 

The concept is very real world, but quite old.  Back in the 80s I worked
for a Danish bank - our IBM 3090s were water-cooled as were the 
cooling-towers.  Around '89 we installed heat-exchangers for re-using
the hot cooling water for warming up the offices (in winter). 


/Per Jessen, Zürich