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
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