Add concrete; it will weigh more, it will support more. On Tue, Mar 10, 2020, 2:29 PM Lux, Jim (US 337K) via Beowulf < beowulf@beowulf.org> wrote:
> The website is pretty “technical content free” – it’s essentially a > sell-sheet, without a summary of specifications. And, I couldn’t find > anywhere that says how it works. > > > > > > > > *From: *Beowulf <beowulf-boun...@beowulf.org> on behalf of Jeff Johnson < > jeff.john...@aeoncomputing.com> > *Date: *Tuesday, March 10, 2020 at 12:48 PM > *To: *Scott Atchley <e.scott.atch...@gmail.com> > *Cc: *"beowulf@beowulf.org" <beowulf@beowulf.org> > *Subject: *[EXTERNAL] Re: [Beowulf] Power per area > > > > Scott, > > > > It's not immersion but it's a different approach to the conventional rack > cooling approach. It's really cool (literally and figuratively). They're > based here in San Diego. > > > > https://ddcontrol.com/ > > > > --Jeff > > > > On Tue, Mar 10, 2020 at 12:37 PM Scott Atchley <e.scott.atch...@gmail.com> > wrote: > > Hi everyone, > > > > I am wondering whether immersion cooling makes sense. We are most limited > by datacenter floor space. We can manage to bring in more power (up to 40 > MW for Frontier) and install more cooling towers (ditto), but we cannot > simply add datacenter space. We have asked to build new building and the > answer has been consistently "No." > > > > Summit is mostly water cooled. Each node has cold plates on the CPUs and > GPUs. Fans are needed to cool the memory and power supplies and is captured > by rear-door heart exchangers. It occupies roughly 5,600 ft^2. With 200 PF > of performance and 14 MW of power, that is 36 TF/ft^2 and 2.5 kW/ft^2. > > > > I am wondering what the comparable performance and power is per square > foot for the densest, deployed (not theoretical) immersion cooled systems. > Any ideas? > > > > To make the exercise even more fun, what is the weight per square foot for > immersion systems? Our data centers have a limit of 250 or 500 pounds per > square foot. I expect immersion systems to need higher loadings than that. > > > > Thanks, > > > > Scott > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > https://beowulf.org/cgi-bin/mailman/listinfo/beowulf > > > > > -- > > ------------------------------ > Jeff Johnson > Co-Founder > Aeon Computing > > jeff.john...@aeoncomputing.com > www.aeoncomputing.com > t: 858-412-3810 x1001 f: 858-412-3845 > m: 619-204-9061 > > 4170 Morena Boulevard, Suite C - San Diego, CA 92117 > > > > High-Performance Computing / Lustre Filesystems / Scale-out Storage > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > https://beowulf.org/cgi-bin/mailman/listinfo/beowulf >
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