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Jaguar Supercomputer Races Past Roadrunner in Top500.

CNet (11/15/09) Ogg, Erica

The Jaguar Cray XT5 supercomputer can process 1.75 petaflops and is now the fastest computer in the world. The Jaguar supercomputer switches places with IBM’s Roadrunner, which saw its processing speed decline to 1.04 petaflops from 1.105 petaflops, apparently due to a repartitioning of the system, and is now in second place on the Top500 list of supercomputers. The list, which is compiled two times a year, will be unveiled Tuesday at the SC09 conference in Portland, Ore. The Kraken, another Cray XT5 system, has risen to third from fifth place by posting a processing performance speed of 832 teraflops, while IBM’s BlueGene/P, at Forschungszentrum Juelich in Germany, is No. 4 with 825.5 teraflops. The Tianhe-1, at No. 5, marks the highest ranking ever for a Chinese supercomputer. Sandia National Laboratories’ Red Sky, a Sun Blade system with a LINPACK performance of 423 teraflops, is the newcomer to the top 10. Hewlett-Packard accounted for 210 of the 500 fastest supercomputers, followed by IBM with 185. Eighty percent used Intel processors, and 90 percent used the Linux operating system.

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