Its gonna be used for computational chemisty , not academic but more private / entrepreneurship. I been doing a lot of research in this area for a while and was hoping to do some more on my own.
On Wed, Dec 3, 2008 at 2:11 AM, Robert G. Brown <[EMAIL PROTECTED]> wrote: > On Tue, 2 Dec 2008, Lombard, David N wrote: > > An acoustic concern. A 1U is quite a bit louder than the normal desktop as >> (1) they use itty-bitty fans and (b) there's no incentive to make them >> quiet, as nobody is expected to have to put up with their screaming... >> > > A good point. I actually like Greg's suggestion best -- consider > (fewer) 2U nodes instead -- quieter, more robust, cooler. Perhaps four, > but that strongly depends on the kind of thing you are trying to do -- > tell us what it is if you can do so without having to kill and we'll try > to help you estimate your communications issues and likely bottlenecks. > For some tasks you are best off getting as few actual boxes as possible > with as many as possible CPU cores per box. For others, having more > boxes and fewer cores per box will be right. > > The reason I like four nodes with at least a couple of cores each is > that if you don't KNOW what you are likely to need, you can find out > (probably) with this many nodes and then "fix" your design if/when you > scale up into production. Otherwise you buy eight single core node (if > they still make single cores:-) and then learn that you would have been > much better off buying a single eight core node. Or vice versa. > > rgb > > >> -- >> 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 >> >> > Robert G. Brown Phone(cell): 1-919-280-8443 > Duke University Physics Dept, Box 90305 > Durham, N.C. 27708-0305 > Web: http://www.phy.duke.edu/~rgb <http://www.phy.duke.edu/%7Ergb> > Book of Lilith Website: > http://www.phy.duke.edu/~rgb/Lilith/Lilith.php<http://www.phy.duke.edu/%7Ergb/Lilith/Lilith.php> > Lulu Bookstore: http://stores.lulu.com/store.php?fAcctID=877977 > -- Malcolm A.B Croucher
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