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IBM and Los Alamos National Laboratory have built the world's first petaflop machine, a supercomputer named Roadrunner designed to ensure the safety and reliability of the nation's nuclear weapons stockpile, IBM said Monday. A petaflop is equal to one thousand trillion calculations per second, and was a highly sought-after goal in the world of supercomputing. Scheduled for installation at Los Alamos in August, IBM says Roadrunner represents a breakthrough in hybrid computing, combining AMD microprocessors found in standard laptops and servers with the IBM Cell Broadband Engine chips that power Sony's PS3 gaming console.
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