

| Subject: | Re: Phrydae: Super-computer soon to use water-cooled system for heating occupants |
| From: | John Rodgers |
| Date: | Fri, 16 Apr 2010 19:03:59 -0500 |
Interesting article. It prompted me to look up Cray, Inc. From Wikipedia>>>> >>>As of November 2009^[update] <http://en.wikipedia.org/w/index.php?title=Cray&action=edit> , the largest computer system Cray has delivered is the XT5 system at .^ <http://en.wikipedia.org/wiki/Cray#cite_note-nccs-jaguar-4> National Center for Computational Sciences at Oak Ridge National Laboratories. This system, with over 224,000 processing cores, is dubbed "Jaguar" and is the fastest computer in the world as measured by the LIN PACK benchmark with the speed of 1.75 petaflops.^ <http://en.wikipedia.org/wiki/Cray#cite_note-cnet-jaguar-6> It is also the fastest system available for open science and the first system to exceed a petaflops sustained performance on a 64-bit scientific application.<<< "Pedaflop" - One quadrillion floating point operations per second. 1,000,000,000,000,000/sec John Rodgers Clayartist and Moldmaker 88'GL VW Bus Driver Chelsea, AL Http://www.moldhaus.com On 4/16/2010 5:20 PM, Peter DiFalco wrote: > http://www.livescience.com/technology/Water-Cooled-Supercomputers-Internet-100415.html > > FTA: "Since water and electronics don't mix, the coolant water in Aquasar > does not ever directly touch the silicon computer chips themselves. If a > leak should occur, internal sensors would shut the machine down before > causing a short circuit." > > Hey, I wonder why they don't just let it set off a buzzer and make white > smoke... > > "The tubes interspersed in Aquasar will link back to the primary water > transportation network where some of the collected heat will then be > passively released back into the heating system of ETH Zurich." > > ....Which implies that the building's occupants will need to wear their > earmuffs and overcoats until the programmers have had a chance to drive the > supercomputer around the block for half an hour. > > The real question is whether they'll still have toasty feet even while the > air conditioning's on in the summer. > > Happy Friday! > > >
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