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AMD & Cray News - 03/07/05
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Cray XD1 Supercomputer Chosen as One of Design News' Best Products of 2005

Industry Award Recognizes Opteron/Linux-Based System

Global supercomputer leader Cray Inc (Nasdaq:CRAY) today reported that its Cray XD1 Opteron/Linux-based supercomputer has been chosen by Design News for a Best Products of the Year Award in the category of hardware. The Best Product award is given to the most innovative and ground-breaking products. The Cray XD1 supercomputer was chosen for its exceptional application performance, ease-of-use and management.

The Cray XD1 supercomputer combines breakthrough interconnect, management and reconfigurable computing technologies for exceptional performance, reliability and usability. Designed for demanding high performance computing (HPC) applications, such as computer-aided engineering (CAE) software used in automotive, aeronautic and other manufacturing fields, the Cray XD1 system enables design engineers to simulate and analyze faster, solve more complex problems, and bring safer products to market sooner. Linux x86-based, 32 and 64-bit compatible, the Cray XD1 runs a broad range of HPC software.

As engineering problems get larger and more complex, interprocessor communication becomes a real bottleneck. The Cray XD1 system's very high throughput/low latency interconnect and other scalability features allow users to apply larger numbers of processors to engineering problems. This allows designers to increase model complexity and simulation accuracy, while decreasing design time. Sophisticated management features simplify system administration and maintain high system availability.

The Cray XD1 supercomputer has recorded leading performance results with the popular LS-DYNA CAE code from Livermore Software Technology Corp. and in industry HPC Challenge benchmark tests designed to assess real-world performance in several key aspects of supercomputing.

About Design News Best Products of the Year Award 2005

Design News Best Products of the Year Award recognizes innovative products that advance the state of the art in design engineering. Finalists are determined based on the ability of the product to solve design challenges by a panel of judges. Winners are selected by readers who are asked to vote for the product that would most significantly impact design engineers in each of 19 categories. Winners were announced in the March 7 issue of Design News.

About Design News

Design News, in print for over 50 years, has a circulation of more than 170,000. It covers the latest tools, components, and materials used in mechanical and electromechanical design of a broad range of products. Articles feature successful engineering projects and new technologies that will spark ideas and assist our readers in the design of new products. All articles are written by our staff of editors, many of whom are engineers themselves.


CINECA, based in Bologna, Italy, is a consortium of 25 Italian universities and the National Research Council (CNR) and was founded in 1969 to provide supercomputing for high-energy physics. CINECA is part of Italy's Ministry of University and Scientific Research (MIUR). CINECA's mission today is to promote the use of the most advanced information processing systems to support public and private scientific and technology research.

About the Cray XD1 Supercomputer

The Cray XD1 supercomputer features direct connect processor (DCP) architecture, which removes PCI bottlenecks and memory contention to deliver superior sustained performance. According to the HPC Challenge benchmarks, the Cray XD1 system has the lowest latency of any comparable HPC system, with MPI latency of 1.8 microseconds and random ring latency of 1.3 microseconds.

Tests conducted by the
Ohio Supercomputer Center show that the Cray XD1 system ships messages with four times lower MPI latency than common cluster interconnects such as Infiniband and Quadrics, and 30 times lower than Gigabit Ethernet employed in lowest-cost clusters. The Cray XD1 interconnect delivers twice the bandwidth of 4X Infiniband for messages up to 1 KB and 60 percent higher throughput for very large messages.

The Cray XD1
Opteron/Linux system runs x86 32/64 bit codes. Field-programmable gate arrays (FPGAs) are available to accelerate applications, and the Active Manager subsystem provides single-system command and control and high-availability features. The system can nearly double its performance with AMD Opteron dual-core processors when they become available later this year.

A 3VU (5.25") chassis provides 12 compute processors, 58 peak gigaflops, 96 GB/second aggregate switching capacity, 1.8-microsecond MPI interprocessor latency, 84 GB maximum memory and 1.5 TB maximum disk storage. A 12-chassis rack provides 144 compute processors, 691 peak gigaflops, 1TB/second aggregate switching capacity, 2 microsecond MPI interprocessor latency, 922 GB/second aggregate memory bandwidth, 1 TB maximum memory and 18 TB maximum disk storage.

About Cray Inc.

The world's leading supercomputer company, Cray Inc. pioneered high-performance computing with the introduction of the Cray-1 in 1976. The only company dedicated to meeting the specific needs of HPC users, Cray designs and manufactures supercomputers used by government, industry and academia worldwide for applications ranging from scientific research to product design, testing to manufacturing. Cray's diverse product portfolio delivers superior performance, scalability and reliability to the entire HPC market, from the high-end capability user to the department workgroup.

Safe Harbor Statement

This press release contains forward-looking statements. There are certain factors that could cause Cray's execution plans to differ materially from those anticipated by the statements above. These include the successful porting of application programs to Cray systems and general economic and market conditions. For a discussion of these and other risks, see "Factors That Could Affect Future Results" in Cray's most recent Quarterly Report on Form 10-Q filed with the SEC.

Cray is a registered trademark, and Cray XD1 is a trademark, of Cray Inc. All other trademarks are the property of their respective owners.

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