On the way? Can you say who the vendors are or point to any public info on these?
Thanks, Jeremy On Mon, Mar 2, 2009 at 11:59 AM, Martin Scholl <[email protected]> wrote: > Hello all, > > > I like to underline what James Hamilton describes. > We have done some tests with Intel Atom boards recently and our results > are quite promising. > With a $60 board (Atom dualcore 1.6Ghz) you get about 1/3 the "raw" CPU > performance of an state-of-the-art Core2Duo (2.66ghz) (speaking of the > performance of a single core) -- but the Atom uses 8W to achieve this > instead of ~120W of the Core2Duo (!). > There are already "mini-clusters" of said Intel Atom CPUs on the way. > > They will change the way we do computing IMHO. > > > Just my 2 cents, > Martin > > Jim Starkey wrote: > > James Hamilton, once of Microsoft/Live, now Amazon, has a paper well > > worth reading: > > http://mvdirona.com/jrh/TalksAndPapers/JamesHamilton_CEMS.pdf > > > > He argues (among many other things) that cores per system is increasing > > much faster than memory bandwidth, resulting in cores stalled on memory > > access, effectively canceling some or all of the potential gain of > > additional cores. Following this line of reasoning, he argues that more > > cheaper, "balanced" servers have more bang per capital and energy buck > > than more expensive servers. This is a pretty good counter to Brian's > > argument on very high number of cores. The logical extension of > > Hamilton's argument is a server sled with a single power supply and six > > expendable, low cost, low power servers in a 1U package. > > > > The software architecture ramifications are pretty serious. If Hamilton > > is right, scale up is all but dead. Cycles per energy buck favors > > slower processors that balance with memory bandwidth and where > > reliability comes from software, not hardware. > > > > Anyone want to take on the implications for drizzle? > > > > > > > > > _______________________________________________ > Mailing list: > https://launchpad.net/~drizzle-discuss<https://launchpad.net/%7Edrizzle-discuss> > Post to : [email protected] > Unsubscribe : > https://launchpad.net/~drizzle-discuss<https://launchpad.net/%7Edrizzle-discuss> > More help : https://help.launchpad.net/ListHelp >
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