On Wed, Feb 04, 2009 at 12:58:27PM -0700, Robert G. Brown wrote: > On Wed, 4 Feb 2009, John Hearns wrote: > > > 2009/2/4 Bruno Coutinho <couti...@dcc.ufmg.br>: > >>> > >> Each compute card could have a octa core processor and some memory chips. > >> Like Blue Gene/P, each node card could have 16 compute cards and each card > >> will be 2U high (but they will put two sideways like older Blue Genes). > >> So they can pack 100 cores in a 1U space without magic! :) > >> > >> But cool this thing will now be easy. > >> Probably they will use something like refrigerated doors (or walls). > > > > Special packaging? Engineering effort and expertise given to cooling a > > system which would otherwise melt? > > Systems cabinets arranged in rings or squares? > > Seymour Cray is laughing out loud on his personal cloud of freon > > vapour right now.
Fluoroinert perhaps. > Immersion in liquid nitrogen. Some of the dinosaurs^Wmore experienced list members will remember the ETA-10 which used LN2 in all but their air-cooled "Piper" system. My undertanding at the time was the Piper was a vehicle to consume the Honeywell VHSIC chips not suitable for the LN2-cooled versions. For today's more adventerous, less exotic mineral oil is being used, e.g., as shown in <http://www.pugetsystems.com/submerged.php> -- David N. Lombard, Intel, Irvine, CA I do not speak for Intel Corporation; all comments are strictly my own. _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
