> http://www.hpcwire.com/hpcwire/2013-02-28/utility_supercomputing_heats_up.html
well, it's HPC wire - I always assume their name is acknowledgement that
their content is much like "HPC PR wire", often or mostly vendor-sponsored.
call me ivory-tower, but this sort of thing:
Cycle has see
Hi all,
answers are inserted.
On Donnerstag 28 Februar 2013 Prentice Bisbal wrote:
> On 02/28/2013 05:00 AM, Hearns, John wrote:
> > I think this has been discussed here before, but it is a pretty
> > innovative product:
> >
> > http://www.theregister.co.uk/2013/02/28/wet_servers_cut_cooling_cos
On 3/1/13 11:00 AM, "Mark Hahn" wrote:
>> For future reference, I just looked up these thermal conductivities:
>>
>> Air : 0.024 W/m-k (at 298K)
>> Water: 0.58 W/m-k (at 300K)
>> Mineral oil: 0.162 W/m-k
>> 3M Novec 7000: 0.075 W/m-k
>
>H2 is 0.168 at 25C. *that* is what we should all be cool
They're starting the 1 april joke a month early :)
On Feb 28, 2013, at 11:00 AM, Hearns, John wrote:
> I think this has been discussed here before, but it is a pretty
> innovative product:
>
>
>
> http://www.theregister.co.uk/2013/02/28/
> wet_servers_cut_cooling_costs_research_leeds_universi
On Freitag 01 März 2013 Prentice Bisbal wrote:
> On 03/01/2013 02:00 PM, Mark Hahn wrote:
> >> For future reference, I just looked up these thermal conductivities:
> >>
> >> Air : 0.024 W/m-k (at 298K)
> >> Water: 0.58 W/m-k (at 300K)
> >> Mineral oil: 0.162 W/m-k
> >> 3M Novec 7000: 0.075 W/m-k
On 3/1/13 8:16 AM, "Joe Landman" wrote:
>On 03/01/2013 10:45 AM, Prentice Bisbal wrote:
>> Using this numbers, Water is 24x better than air Mineral oil is 6.75x
>> better than air 3M Novec 7000 is only 3.125x better What is clearly
>> much better than the other alternatives for heat transfer. I
On 03/01/2013 11:01 AM, Hearns, John wrote:
> No. Absolutely not.
> What is clearly much better is that HPC staff be provided with a steady
> supply of malt whisky for cooling,
> complete with a drain tap with which we can draw off frequent samples for
> analysis.
> For the finest thermal conduct
> For future reference, I just looked up these thermal conductivities:
> Air : 0.024 W/m-k (at 298K)
> Water: 0.58 W/m-k (at 300K)
> Mineral oil: 0.162 W/m-k
> 3M Novec 7000: 0.075 W/m-k
Alcohol:0.171 W/m-k
> Using this numbers,
> Water is 24x better than air
> Mineral oil is 6.75x bet
On 03/01/2013 02:00 PM, Mark Hahn wrote:
>> For future reference, I just looked up these thermal conductivities:
>>
>> Air : 0.024 W/m-k (at 298K)
>> Water: 0.58 W/m-k (at 300K)
>> Mineral oil: 0.162 W/m-k
>> 3M Novec 7000: 0.075 W/m-k
>
> H2 is 0.168 at 25C. *that* is what we should all be coo
Vectorization is crucial for getting performance out of Phi.
Intel SPMD Program Compiler runs on Phi http://ispc.github.com/
but it's probably not an officially supported product.
On 28 February 2013 03:30, "C. Bergström" wrote:
> Unless I missed something I only see this being wrapped around som
> For future reference, I just looked up these thermal conductivities:
>
> Air : 0.024 W/m-k (at 298K)
> Water: 0.58 W/m-k (at 300K)
> Mineral oil: 0.162 W/m-k
> 3M Novec 7000: 0.075 W/m-k
H2 is 0.168 at 25C. *that* is what we should all be cooling our clusters with!
> Sources:
> http://www.en
On 03/01/2013 10:45 AM, Prentice Bisbal wrote:
> Using this numbers, Water is 24x better than air Mineral oil is 6.75x
> better than air 3M Novec 7000 is only 3.125x better What is clearly
> much better than the other alternatives for heat transfer. If only it
> wasn't conductive, and corrosive
Hey team Beowulf,
So most of you know that I headed out from being the research computing guy
at Harvard to join Cycle Computing last month. It's been a fun first few
weeks, what with 10,000+ server instances pinging up in hours flat and
doing some stunning science to boot!
Anyway, I noticed the
On 02/28/2013 09:12 PM, Mark Hahn wrote:
>> Actually, since the thermal conductivity of the liquid is so much better
>> than air, you probably don't need finned heat sinks. Heat transfer rates is
> well, you don't need AS MUCH surface area and/or can tolerate lower flow.
> even given better conduc
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