By Andy Patrizio November 17, 2008
In the cartoons, the Road Runner always managed to fend off the Coyote. On the latest Top 500 supercomputer list, the Roadrunner managed to hold off a Jaguar. Roadrunner, the Los Alamos National Laboratory supercomputer and the first to break the petaflop (define) barrier, held on to the top spot of the Top 500 list of supercomputers, just ahead of a Cray XT5 supercomputer at Oak Ridge National Laboratory called Jaguar. While IBM built Roadrunner and Cray built Jaguar, AMD powers both. The company's long-delayed Barcelona processors run the two fastest computers in the world and seven of the top 10. Two of the top 10 supercomputers use IBM POWER processors, and only one, the new Pleiades system built by NASA, SGI and Intel, uses Xeon. The rankings are maintained by the TOP500 project at its Top500.org, and are compiled twice a year by computer researchers in the U.S. and Europe.
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