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Architectural specification for massively parallel computers: An experience and measurement-based approach

Concurrency and Computation: Practice and Experience

Brightwell, Ronald B.; Camp, William; Cole, Benjamin; DeBenedictis, Erik; Leland, Robert; Tomkins, James; Maccabe, Arthur B.

In this paper, we describe the hardware and software architecture of the Red Storm system developed at Sandia National Laboratories. We discuss the evolution of this architecture and provide reasons for the different choices that have been made. We contrast our approach of leveraging high-volume, mass-market commodity processors to that taken for the Earth Simulator. We present a comparison of benchmarks and application performance that support our approach. We also project the performance of Red Storm and the Earth Simulator. This projection indicates that the Red Storm architecture is a much more cost-effective approach to massively parallel computing. Published in 2005 by John Wiley & Sons, Ltd.

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