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AMD & Cray News - 02/14/05
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CINECA In Italy Selects Cray XD1 Supercomputer for Advanced Science and Engineering Research

Global supercomputer leader Cray Inc. (Nasdaq:CRAY) today announced that CINECA, Italy's national supercomputing center, has selected the new
Cray XD1 supercomputer to advance scientific and engineering research across a broad spectrum of disciplines. The 144-processor system is the largest ordered by a European customer since the Cray XD1 supercomputer began shipping to Europe in November 2004.

CINECA will make the innovative Cray XD1 supercomputer available to researchers at its 25 affiliated Italian universities for advanced work in mathematics, engineering, physics, chemistry, statistics, climate science, biomedicine and human sciences. CINECA will also exploit the Cray XD1 system's field programmable gate array (FPGA) capabilities for acceleration of key applications.

"We look forward to giving Italy's research community access to the latest Cray technology and to expanding our long-standing, beneficial relationship with Cray," said CINECA Director Marco Lanzarini. In 2004, CINECA hosted the successful Cray Advanced Technical Workshop in Europe.

"Cray is excited that CINECA, a national supercomputing center with a strong worldwide reputation, has chosen the Cray XD1 supercomputer as a powerful new tool for its users. We will collaborate closely with Marco Lanzarini and his staff to ensure that CINECA's ambitious goals for this system are met," said Ulla Thiel, vice president responsible for Cray Europe.

More About the Cray XD1 Supercomputer

The Cray XD1 is rapidly winning customers around the world. This exciting new system lets users experience the performance and reliability of Cray supercomputing technology in systems that scale from small to highly parallel. The Cray XD1 provides scientists and engineers with a platform purpose-built to meet their high performance computing challenges, and is an attractive alternative to the challenge of managing clusters assembled from general-purpose business servers.

The Cray XD1 supercomputer features the direct connect processor (DCP) architecture, which removes PCI bottlenecks and memory contention to deliver superior sustained performance. The Cray XD1 system has the lowest latency of any current HPC system, with MPI latency of 1.8 microseconds in measured tests conducted using the Ohio State MPI benchmark.


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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