Interesting article about cloud computing on Slashdot today: http://tech.slashdot.org/story/09/08/20/0327205/Amazon-MS-Google-Clouds-Flop-In-Stress-Tests?art_pos=7
--Doug On Wed, Aug 19, 2009 at 3:31 PM, Jack K. Horner <[email protected]>wrote: > At 09:00 AM 8/19/2009, Doug Roberts wrote: > > From: Douglas Roberts <[email protected]> >> Precedence: list >> MIME-Version: 1.0 >> To: The Friday Morning Applied Complexity Coffee Group <[email protected] >> > >> Date: Tue, 18 Aug 2009 10:38:23 -0600 >> Reply-To: The Friday Morning Applied Complexity Coffee Group >> <[email protected]> >> Message-ID: <[email protected]> >> Content-Type: multipart/alternative; boundary=0016364ed7a89e0c4404716d2582 >> Subject: [FRIAM] Information request >> Message: 1 >> >> Hi, all. >> >> I am interested in learning what kind of experiences users of Amazon's EC2 >> resources have had. What resources have you used; what has been your >> experience with availability, ease of use, cost, data transfer, privacy, >> etc.? >> >> TIA, >> >> --Doug >> >> -- >> Doug Roberts >> <mailto:[email protected]>[email protected] >> <mailto:[email protected]>[email protected] >> 505-455-7333 - Office >> 505-670-8195 - Cell >> >> _______________________________________________ >> Friam mailing list >> [email protected] >> http://redfish.com/mailman/listinfo/friam_redfish.com >> > > > > Doug, > > I don't have direct experience with EC2. However, I attended a > computational biology conference about two years ago in which Amazon gave a > talk on the system. Here's what I distilled: > > 1. If computation-to-communication ratio of your application is >> > 1 (e.g., the SETI power-spectrum analysis problem), EC2's network > performance is benign. If, in order to realize a time-to-solution in your > lifetime, your application requires a computation/communication ratio > approaching 1 (e.g., an extreme-scale adaptive Eulerian mesh > radiation-hydrodynamics code), the EC2 network is your enemy. > > 2. For comparable problem setups, EC2 was less expensive than > buying time on IBM's pay-per-use Blue Gene system. > > 3. For comparable problem setups and theoretical peaks, over the > lifecycle the EC2 is less expensive per CPU-hour than a cluster of PCs > linked by fast Ethernet. > > 4. There was general agreement among the half-dozen or so users of > pay-per-use commercial clusters who were present at the talk that EC2 gave > the best bang for the buck. > > > Jack K. Horner > P. O. Box 266 > Los Alamos, NM 87544-0266 > Voice: 505-455-0381 > Fax: 505-455-0382 > email: [email protected] > > > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > lectures, archives, unsubscribe, maps at http://www.friam.org >
============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org
