IBM to build Cell supercomputer for DOE

Washington, D.C. - IBM will construct a new supercomputer for the U.S. Department of Energy's National Nuclear Security Administration (NNSA). The system will combine Cell and Opteron processors and deliver more than twice the combined performance of the DOE's BlueGene/L and ASC Purple systems, which are currently ranked #1 and #3 on the Top 500 supercomputer list.

Codenamed "Roadrunner", the new system will be installed at DOE's Los Alamos National Laboratory and house a hybrid design of more than 16,000 Opteron processor cores in standard System x3755 servers as well as more than 16,000 Cell BE CPUs in Blade Center H devices. IBM promises that the supercomputer will be able to segment computational processes with file IO and communication activity being handled by the Opterons and more complex and repetitive elements being thrown at the Cell chips.

BlueGene/L

Besides the fact that the system aims to shatter performance records, it is also one of the first real-world examples of AMD's "Torrenza" platform. Torrenza promotes an "open" AMD x86 platform that takes advantage of Direct Connect Architecture and the Hypertransport interface. According to IBM, Roadrunner will occupy about 12,000 square feet of floor space, or approximately the size of three basketball courts. Despite it integrates almost three times more processors, the 64 racks of the BlueGene/L only cover 2500 square feet, according to IBM. The company will begin shipping the new supercomputer to the DOE facility later this year. IBM expects that the system will be completed sometime in 2008.

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