, To enable a wide
range of scientific discovery efforts, including storm surge mapping of
Hurricane Katrina , Louisiana State University (LSU), in August 2005, installed
a powerful combination of technology from Silicon Graphics
(OTC Bulletin Board: SGID) for its Center for Computation + Technology. With the size of our
datasets rapidly growing, everyone believed that having substantial shared
memory would enable us to conduct more and better research in less time. The group
regularly provides 2D data to Emergency Operations Centers (EOCs) in Baton
Rouge as well as other states, when hurricanes are bearing down on the coast., and can be found on the Web at
http://www."

CSCS and Cray will establish a joint collaboration program aimed at
enhancing and optimizing existing scientific applications for the Cray XT3
system, as well as creating innovative new software for the new
supercomputer . Go to www.

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LONI, which is connected to the National LambdaRail
(NLR), a nationwide optical network infrastructure, will directly link the
Silicon Graphics Prism(TM) visualization system at LSU with eight Louisiana
schools including Tulane and Xavier Universities, and other smaller
universities . "I had
quotes from several vendors, we discussed it openly, and in the end there was
much more interest in the Altix, in terms of it having a shared-memory system
rather than distributed memory like our clusters. The Cray XT3 supercomputer uses Advanced Micro
Devices Inc. The Cray
XD1 supercomputer also promises to help us improve productivity in our
growing consulting business by meeting rapidly accelerating computational
demands."

"The Cray XD1 supercomputer architecture is specifically designed and
optimized for the compute/communication-intensive codes that power
real-world CFD applications," said Himanshu Misra, CAE Business Manager at
Cray.

About Cray Inc. For a
discussion of these and other risks, see "Factors That Could Affect Future
Results" in Cray's Annual Report on Form 10-K for the year ended December
31, 2004, filed with the Securities and Exchange Commission .

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Before, during, and in the aftermath of Hurricane Katrina, CSPHIH
computed the ADCIRC tidal surge model on LSU's 1024-processor SuperMike Linux
cluster and then viewed the data in 2D on small workstations .

(NASDAQ: CRAY) today announced that computational fluid dynamics (CFD) consulting
and software firm CD-adapco has purchased a six-chassis (72-processor) Cray
XD1 supercomputer to meet the increasing computational demands of a
broad range of CFD problems. Running its own STAR-CD and STAR-CCM+ CFD
simulation codes, CD-adapco provides computer-aided engineering (CAE)
solutions for the design and manufacture of products in the automotive,
aerospace, biomedical, building, environmental, chemical process, marine,
oil and gas, power generation and turbomachinery industries. The company has centers in London, New
York and Yokohama with subsidiary offices throughout the world.cd-adapco.

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LSU purchased the Silicon Graphics Prism visualization system with six
ATI(R) FireGL(TM) graphics processors , 32 Intel(R) Itanium(R) 2 processors
running Linux(R) OS with SGI ProPack 4 for Linux, and a 10gigE interface as
well as SGI OpenGL Vizserver software. For a discussion of these and other
risks , see "Factors That Could Affect Future Results" in Cray's Annual
Report on Form 10-K filed with the SEC on April 1, 2005.

krell nmod

The second is a fully interactive visualization, which allows
multiple participants to collaboratively steer time and other parameters
through new 'tangible' interaction devices.

The Horizon system at CSCS will include 2. And the system's innovative
interconnect lets CAE users efficiently scale their applications to much
larger problem sizes and processor counts, while delivering
price/performance that surpasses competing CAE systems.

As the global leader in HPC, Cray provides innovative supercomputing
systems that enable scientists and engineers in government, industry and
academia to meet both existing and future computational challenges.

Safe Harbor Statement

This press release contains forward-looking statements.

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One of the major groups is the Center for
the Study of Public Health Impacts of Hurricanes (CSPHIH), led by Dr. Intel and Itanium are trademarks or
registered trademarks of Intel Corporation or its subsidiaries in the United
States and other countries.

According to PSI's Andreas Adelmann, who initiated the Horizon project,
"This new state-of-the-art scientific instrument will allow us to simulate
complex problems that were only recently considered intractable. HyperTransport technology and Opteron processors
connected via a Cray low-latency, high-bandwidth, three-dimensional torus
interconnect network. MacDonald, president of CD-adapco.

yager algebras

We've transformed these into two compelling kinds of visuals. With offices worldwide , the company is
headquartered in Mountain View, Calif.

MEDIA CONTACT
Marla Robinson
marlar@sgi.

About CSCS

CSCS (Centro Svizzero di Calcolo Scientifico) is the Swiss National
Supercomputing Center, providing, developing and promoting technical and
scientific services for the Swiss research community in the fields of
high-performance and high-throughput computing .
Purpose-built for demanding high-performance computing (HPC) applications
such as computational chemistry, environmental forecasting and CAE, the
Cray XD1 system lets users simulate, analyze and solve complex problems
more quickly and accurately.

This category lists sites pertaining to the use of computer simulations of physical systems and numerical methods for solving physics equations .

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These collaborations, with the aid of the Louisiana Optical Network Initiative
and the National Lambda Rail, are made possible with the industry-leading
shared memory capabilities of the SGI Extreme Prism, and the ease of its
integration into a heterogeneous distributed cluster environment, like that at
LSU," said Tom Mountcastle, President of James River Technical., is a leader in high-performance
computing. Linux is a registered trademark of Linus Torvalds
in the U.com
+1-256-773-2371

SGI PR HOTLINE
+1-650-933-7777

SGI PR FACSIMILE
+1-650-933-0283

quantifying simulating

"

Simulating Katrina's Storm Surge
There are a number of storm modeling groups on the LSU campus, loosely
tied together under one umbrella. Using multi-resolution aerial photography of New Orleans, their
visualization zooms into the Louisiana coast in a spectacular fly -in opening,
right through the eye of the hurricane, soon followed by the tidal surge and
its flooding aftermath. Brygg Ullmer, assistant professor, LSU CS + CCT, and leader of VIDA's
visualization group .9 trillion calculations per second (teraflops).

The Cray XT3 system is Cray's third-generation MPP product that
significantly advances the achievements of the Cray T3D and Cray
T3E supercomputers , still widely considered the gold standard for MPP
systems.

About the Paul Scherrer Institute

The Paul Scherrer Institute (PSI), located in Villigen, Switzerland, is a
multi-disciplinary research centre for natural sciences and technology. These include the technical
challenges of developing high performance computing systems including
stable system software, government support and timing of supercomputer
system purchases, the successful porting of application programs to Cray
computer systems, the successful passing of acceptance tests, reliance on
third-party suppliers, Cray's ability to keep up with rapid technological
change and Cray's ability to compete against larger, more established
companies and innovative competitors.

Cray is a registered trademark, and Cray T3D, Cray T3E and Cray XT3 are
trademarks, of Cray Inc.

Cray is a registered trademark, and Cray XD1 is a trademark, of Cray Inc.

tsukuba computational

When considering the advent of LONI, and the growing
computational demands in many fields, especially biology, biochemistry,
computational chemistry, physics, and computational fluid dynamics, LSU's
Director of High Performance Computing (HPC) decided the time was right to
bring in another system and architecture. Underlying datasets
include the MM5 atmospheric model (including temperature gradients and wind
field vector data); satellite infrared time-series images; and tidal surge
data., as it will bring a large Cray
supercomputer back into the heart of the European HPC community, meeting
one of our key corporate goals of regaining leadership across Europe ," said
Cray President Peter Ungaro. "Cray has developed a strong partnership in
our relationship with CSCS and PSI, and we believe that our collaboration
will speed the adoption and excitement around Cray supercomputers not only
in Europe, but worldwide.

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"Several of these datasets are large-scale simulations,
seeded by actual measurements of the storm; others include data from sensors
and satellites.S. An autonomous unit of ETH
Zurich, CSCS was created in 1991 to provide leadership-class computing for
high-end science nationwide and to support breakthrough science, academic
partnerships and world-class connectivity.

annealing ascertain

SGI helps customers solve their computing challenges, whether it's
sharing images to aid in brain surgery, finding oil more efficiently, studying
global climate, providing technologies for homeland security and defense,
enabling the transition from analog to digital broadcasting , or helping
enterprises manage large data. As part of this program, Cray will ship a small part of the
Cray XT3 system to CSCS in April 2005. supercomputing sites
that also operate large-scale Cray XT3 systems, including Sandia National
Laboratories -- which co-developed the system's innovative "Red Storm"
architecture with Cray -- Pittsburgh Supercomputing Center, and Oak Ridge
National Laboratory.

polygonal multibody

Silicon Graphics Prism Visualization System Aids Hurricane Katrina Recovery
Efforts; SGI Technology to Be Available to Eight Colleges and Universities
via 40 Gb Louisiana Optical Network Initiative

MOUNTAIN VIEW, Calif.
"Our Katrina efforts provide both a compelling stereo fly-through, as well
as a collaboratively-manipulable, fully interactive visualization of Katrina,"
said Dr.
One of these is a visual flythrough, viewable in stereo with inexpensive
glasses.

NOTE: Silicon Graphics, SGI, Altix, the SGI cube and the SGI logo are
registered trademarks and Silicon Graphics Prism and The Source of Innovation
and Discovery are trademarks of Silicon Graphics, Inc., in the United States
and/or other countries worldwide. The Cray XT3 supercomputer 's Red Storm design -- purpose-built
for high performance computing (HPC) applications -- sets new standards for
systems based on standard microprocessors.cray. With a list price
starting under US$100,000, the Cray XD1 system offers exceptional value for
CAE workgroups of all sizes. For more information, go to www.com.

ferromagnetic hoon

People were also quite interested in the visualization and graphics capability
that came with the name SGI.
With the 2006 Hurricane Season less than three months away and already
expected to be about as active as 2005, the Silicon Graphics Prism
visualization system is expected to improve the way data is provided to EOCs.com. Go to www.com for more
information.

Safe Harbor Statement

This press release contains forward-looking statements. CD-adapco
solutions are widely used in automotive design, as well as in many other
industries.

toolboxes salesman

and other countries. Problems
that once would have taken months to complete will now take hours or
minutes."

CD-adapco Web Site

About the Cray XD1 Supercomputer

The Cray XD1 supercomputer combines direct-connect system architecture,
HPC -optimized Linux, management and reconfigurable computing technologies
to deliver exceptional performance on real-world applications.

wikihip neocortex

, SGI exclusive higher education
reseller, the Silicon Graphics Prism (TM) Extreme visualization system and
SGI(R) Visual Area Networking (VAN) technology with SGI(R) OpenGL
Vizserver(TM) software will also add real-time 3D collaborative visualization
to the emerging statewide 40Gb optical network called LONI (Louisiana Optical
Network Initiative). The models needed to simulate its effects under
differing conditions in real time require the processing of enormous data sets
and the collaboration of researchers throughout Louisiana and the country.

PRESS RELEASE Red Storm Over Switzerland: CSCS Will Be First in Europe to Make New Cray XT3 System Available for Science

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The Silicon Graphics Prism visualization system, called "Santaka," after a
spicy Louisiana pepper, and SGI Vizserver technology join a 1,024-processor
Linux(R) cluster and other similar clusters in LSU's High Performance
Computing group, a joint partnership between the Center for Computation +
Technology (CCT) and Information Technology Services (ITS), on the main campus
in Baton Rogue .

SILICON GRAPHICS | The Source of Innovation and Discovery(TM)
SGI, also known as Silicon Graphics, Inc.

In a joint initiative with Switzerland's Paul Scherrer Institut (PSI) , CSCS
has ordered a Cray XT3 system with 1,100 AMD Opteron processors and
peak performance of 5.

"This is a very important step for Cray Inc.
Global supercomputer leader Cray Inc. All
other trademarks are the property of their respective owners.

multibody quantifying

The SGI technology purchase was made possible by grants from the
National Institutes of Health (NIH) and the National Science Foundation (NSF). We hope this can
become a compelling research tool and outreach vehicle for many people across
the state -- whether they're studying the weather or ecological issues,
planning for the next hurricane, or just trying to better appreciate the
enormity of the event.sgi. The parties will work together to
port and optimize the CSCS and PSI scientific applications to the Cray XT3
system . PSI
collaborates with national and international universities, other research
institutions, and industry in the areas of solid-state research and
material sciences, particle physics and astrophysics , life sciences, energy
research and environmental research.
Building on years of experience in designing, developing, marketing and
servicing the world's most advanced supercomputers, Cray offers a
comprehensive portfolio of HPC systems that deliver unrivaled sustained
performance on a wide range of applications. There are certain
factors that could cause Cray's execution plans to differ materially from
those anticipated by the statements above.

computational multibody

Purchased through James River Technical , Inc. Itanium is a registered trademark of Intel Corporation.

hoon gsl

The Silicon Graphics Prism's shared memory
and VizServer software are key enabling tools toward this. When
the new system, nicknamed "Horizon ," begins operating in mid-2005, it will
be one of Europe's most powerful supercomputers and will boost CSCS'
computing capability more than five-fold. This powerful new supercomputer
will also make CSCS an attractive partner for high-value, high-profile
collaborations within Europe and beyond ," said CSCS General Manager
Marie-Christine Sawley.2 terabytes of memory, a
28-terabyte global high-performance parallel file system based on Lustre,
and peak bisection bandwidth of 14.1 terabytes per second.

About Cray Inc. There are certain
factors that could cause Cray's execution plans to differ materially from
those anticipated by the statements above.
AMD, AMD Opteron and combinations thereof are trademarks of Advanced Micro
Devices, Inc.

ascertain nmod

Louisiana State University Selects SGI Technology for Storm Modeling and Scientific Visualization

S. All other trademarks mentioned herein are the
property of their respective owners.
The Swiss National
Supercomputing Center (CSCS) will be the first organization in Europe to
make Cray Inc. The sites will share information on using the new
Cray XT3 system to best advantage.

twiki neocortex

"
"Hurricane Katrina's devastation has provided a significant opportunity
for scientific research and simulation -- all focused on avoiding similar
disasters in the future.
Building on years of experience in designing, developing, marketing and
servicing the world's most advanced supercomputers, Cray offers a
comprehensive portfolio of HPC systems that deliver unrivaled sustained
performance on a wide range of applications.

PRESS RELEASE CD-adapco Purchases Cray XD1 Supercomputer to Drive Its CFD Simulations Business

"The numerical characteristics of CD-adapco's Star-CD code are a good
match for the Cray XD1 system hardware. These include the successful
porting of application programs to the Cray XD1 system, the successful
passing of acceptance tests and reliance on third-party suppliers.

tsukuba algebras

's (NASDAQ: CRAY) powerful new Cray XT3 massively
parallel processing (MPP) supercomputer and its innovative "Red Storm"
technology available for scientific research.

"We made this purchase decision after closely comparing the
price/performance benefits of the Cray XD1 system with those of competing
hardware vendors," said Peter S. The x86 -based Cray XD1 system supports a broad
range of 32- and 64-bit HPC applications on AMD Opteron single - or
dual-core processors.

oubre quantifying

Ivor van
Heerden, a hurricane expert frequently interviewed on CNN and other news
broadcasts. We're now trying to leverage that
interactivity, hosting it on the Prism system so that people all over
campus -- or throughout the state -- can inspect, manipulate, and dissect the
anatomy and physiology of Katrina."

Cray XT3 Supercomputer

In addition, CSCS will collaborate with leading U. The Cray XT3 system delivers a
much higher percentage of peak performance in practice than HPC clusters
and other alternatives.

As the global leader in HPC, Cray provides innovative supercomputing
systems that enable scientists and engineers in government, industry and
academia to meet both existing and future computational challenges. All other trademarks are the property of their
respective owners. "The
system's faster turnaround times and better scalability give us the ability
to solve highly complex problems and run very large CFD workloads.cray.com for more
information.

About CD-adapco

CD-adapco is a global enterprise providing advanced computationally based
engineering solutions, including CFD solvers, CAD-integrated options,
expert system tools, training and CFD/finite element analysis (FEA)
engineering/consulting services.

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"After initially considering several other systems and the SGI Altix
servers, I met with others in the research community here on campus to discuss
their requirements," said Brian Ropers-Huilman, Director of HPC, LSU. That took us down the Silicon Graphics Prism
visualization path, which was extremely appealing.
The Visualization , Interaction, and Digital Arts (VIDA) division of CCT
took this and other simulations and observational data, and viewed them in 3D
on the Silicon Graphics Prism visualization system.

"Horizon will enable Swiss researchers to make important breakthroughs in
material science, environmental science , life science, astronomy,
chemistry, and other scientific fields.