22 Haziran 2008 Pazar

IBM Roadrunner

Roadrunner is a supercomputer built by IBM at the Los Alamos National Laboratory in New Mexico, USA. Currently the world's fastest computer, the US$133-million Roadrunner is designed for a peak performance of 1.7 petaflops, achieving 1.026 on May 25, 2008,and to be the world's first TOP500 Linpack sustained 1.0 petaflops system. It is a one-of-a-kind supercomputer, built from commodity parts, with many novel design features.

A Cell Processor

IBM built the computer for the U.S. Department of Energy's (DOE) National Nuclear Security Administration. It is a hybrid design with 12,960 IBM PowerXCell 8i CPUs and 6,480 AMD Opteron dual-core processors in specially designed server blades connected by Infiniband. The Roadrunner uses the Red Hat Enterprise Linux operating system and is managed with xCAT distributed computing software. It occupies approximately 6,000 square feet (560 m²) and became operational in 2008.

The DOE plans to use the computer for simulating how nuclear materials age in order to predict whether the USA's aging arsenal of nuclear weapons is safe and reliable. Other uses for the Roadrunner include the sciences, financial, automotive and aerospace industries.

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