A supercomputer with components originally developed for Sony's PlayStation video-game console has become the world's fastest computer, CIO Today reports. IBM said the computer, nicknamed Roadrunner, can process more than 1,000 trillion calculations per second, known as a petaflop. Built for the Energy Department's Los Alamos lab with off-the-shelf components, Roadrunner is named for the state bird of New Mexico and will be used to monitor the U.S. nuclear-weapons stockpile. Roadrunner cost $133 million and is twice as fast as IBM's Blue Gene system, which had been considered the world's most powerful. Along with nearly 7,000 dual-core processors from Advanced

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