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World's Fastest Supercomputer Runs Linux
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The computer named Roadrunner that runs on Linux is twice as fast as the current No.1 rated IBM Blue Gene system at Lawrence Livermore National Lab.
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Thursday, June 12, 2008:
IBM has announced the completion of a one-petaflop supercomputer that runs on open-source Linux software from Red Hat. The computer is named Roadrunner and is built for the Department of Energy's National Nuclear Security Administration. It will primarily be used to ensure the safety and reliability of the nation’s nuclear weapons stockpile and also be used for research into astronomy, energy, human genome science and climate change.
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Costing about $100 million, Roadrunner is twice as fast as the current No.1 rated IBM Blue Gene system at Lawrence Livermore National Lab. It is world’s first hybrid supercomputer with mixture of i86 Opteron processors, running on IBM Model LS21 blade servers and Cell processors running on IBM Model QS22 blade servers. The machine is composed of a total of 3,060 tri-blades, each tri-blade unit can run at 400 billion operations per second (400 Gigaflops).
In comparison, the Blue Gene is furnished with 131,072 embedded PowerPC processors and 32,768GB of RAM, and achieves 280,600 Gigaflops performance overall, with 367,000 Gigaflops peak performance.
The Roadrunner system has 98 terabytes of memory and is housed in 278 refrigerator-sized, IBM BladeCenter racks occupying 5,200 square feet. Its 10,000 connections, both Infiniband and Gigabit Ethernet, require 55 miles of fibre optic cable. Roadrunner weighs 500,000 lbs. The companies that contributed in components and technology include Emcore, Flextronics, Mellanox and Voltaire.
IBM is developing new software to make Cell-powered hybrid computing broadly accessible which includes calculating cause and effect in capital markets in real-time, and visualising 3-D renderings of tissues and bone structures in real-time, as patients are being examined. With corporate and academic partners, IBM is developing an open-source ecosystem that will bring hybrid supercomputing to financial services, energy exploration and medical imaging industries.
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