com/pr_021505.html

About PathScale

Based in Mountain View, California, PathScale develops innovative software
and hardware technologies that substantially increase the performance and
efficiency of Linux clusters, the next significant wave in high-end
computing.ac.

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Air Force Research Labs to Boost 'Eyes in the Sky' with Star-P

Public Relations
781-398-0010 603-559-5835
mdillon@beaupre . The Sun/PathScale
four-processor SPEC ompM2001 result surpasses the best four-processor
benchmarks on Intel Itanium 2, Power5 and Alpha processors as well as
previous SPEC results on four-processor Opteron systems. For more information, go to www.jaist.

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With automatic parallelization and
interactive execution of existing desktop simulation applications, Star-P
merges two previously distinct environments -- desktop computers and high
performance servers -- into one.

jp. Go to www.

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AFRL's partners include the Air Force major commands that operate and
maintain the full spectrum of Air Force weapons systems.

Contacts:
Ilya Mirman Michelle Dillon
Interactive Supercomputing Beaupre + Co."

"The JAIST faculty and the Center for Information Science have exceptional
expertise in large-scale parallel computing and a broad portfolio of highly
parallel applications. Organized into three departments
(information science , materials science, and knowledge science), JAIST
provides up-to-date graduate training for up to 600 students while
maintaining competitive research programs through various dedicated
centers , such as technical computing, nanotechnology and information
security.

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About Interactive Supercomputing
Interactive Supercomputing (ISC) launched in 2004 to commercialize Star-P,
an interactive parallel computing platform.

A 30-day free trial is available to new compiler customers at
http://www.php.com/earlyaccess. The processors are connected via an
innovative, high-speed internal network.

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, The Air Force Research Laboratory
(AFRL) in Rome, NY, is developing a new supercomputer -based system that could
help the military analyze massive amounts of satellite-based radar data for
surveillance, missile warning, communications and navigational activities.
Satellite radar can 't help our military readiness if we have to wait a long
time for the analysis results. For more details , visit
sales@pathscale.

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"But where traditional radar images might measure
10 megabytes, satellite radar can easily inundate a facility with terabytes of
data daily, dramatically complicating and delaying the analysis process."
With the AFRL's mission to "lead the discovery, development, and
integration of affordable warfighting technologies for our air and space
forces," a key goal of the AFRL is to enable an agile workforce. AFRL
accomplishes this through nine technology directorates located throughout the
United States, the Air Force Office of Scientific Research, and a central
staff.
PathScale, developer of
innovative software and hardware solutions to accelerate the performance
and efficiency of Linux clusters and developer of the award-winning
EKOPath Compiler Suite, has joined Sun Microsystems in announcing the
results of groundbreaking standardized performance tests.

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Star-P makes it
easy for researchers to tap either parallel approach.com

com/trial .cray.

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Lab
researchers believe that Star-P's desktop interactivity and ease-of-use will
help provide this agility. "Furthermore, we can leverage a 2048 processor
Altix HPC with two terabytes of memory at Wright Patterson Air Force Base in
the future to solve even larger problems.

PathScale 's Additional Paths to Scalability

In addition to EKOPath, the world's fastest 64-bit compiler suite for Linux
clusters, PathScale delivers a number of other software and hardware
products to improve the scalability and performance of applications
residing on Linux clusters.

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Due to the
time-sensitivity of their work, they cannot afford the time required to
re-program their algorithms for parallel processing."
The system also benefits researchers by supporting both fine- and
coarse -grained parallelization. The PathScale-optimized Sun servers showed improved
scalability and higher performance for both floating point and integer
performance, with up to 25 percent improvement when compared with previous
benchmarks.

PRESS RELEASE Japan Advanced Institute of Science and Technology Selects Cray XT3 Computer System to Accelerate Scientific Research

About JAIST

Founded in 1990, the Japan Advanced Institute of Science and Technology
(JAIST) was the first national university in Japan to focus exclusively on
graduate-level training and research.com for more
information .

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Barnell explained that since researchers were
skilled at evaluating radar analysis algorithms using MATLAB, they wanted to
preserve the familiarity and interactivity of their desktop environment while
taking advantage of the computational power of parallel HPCs.





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Using the SPEC CPU2000 benchmark , the Sun Fire V40z server equipped with
the PathScale EKOPath Compiler Suite achieved two new world records for
4-way x86 systems on integer and floating point performance. Applications that benefit from PathScale's technologies include
seismic processing, complex physical modeling, EDA simulation , molecular
modeling, biosciences, econometric modeling, computational chemistry,
computational fluid dynamics, finite element analysis, weather modeling,
resource optimization, decision support and data mining.

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This eliminates the need to re-program the applications in C, Fortran or MPI
languages to run on the parallel computer, which previously took months to
years to complete. The Sun/PathScale two-processor
results were 29 percent faster than previous-best Linux ompM2001 benchmarks
using non-PathScale Fortran and C compilers. OpenMP performance is critical to efficient use of these
types of systems and the Sun benchmark results underscore the quality of
the EKOPath implementation. Customers can register for early access to InfiniPath and
OptiPath by visiting http://www.pathscale. We are excited to announce JAIST as our first major
Cray XT3 customer in Japan," said Mamoru Nakano, president of Cray Japan.

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Based in Waltham, Mass.pathscale. "Over the past decade, JAIST has built
considerable expertise in massively parallel algorithms and applications. There are certain
factors that could cause Cray's execution plans to differ materially from
those anticipated by the statements above .

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"They can now preserve their familiar workflow
while tackling data sets an order of magnitude larger than they process on
their desktops," added Barnell.

About the Air Force Research Laboratory
AFRL's mission is leading the discovery, development, and integration of
affordable warfighting technologies for our air and space forces., the privately held
company markets Star-P for a range of security, intelligence, manufacturing,
energy, biomedical, financial, and scientific research applications.0 release to optimize performance of multi-processor nodes and
have also worked closely with AMD to support their upcoming dual-core
processor release. PathScale's
investors include Adams Street Partners, Charles River Ventures, Enterprise
Partners Venture Capital, CMEA Ventures , ChevronTexaco Technology Ventures
and the Dow Employees Pension Plan.

JAIST, one of Japan 's premier academic research centers, will use the new
computer system to speed advances in the development of new algorithms for
massively parallel computers, large-scale simulations and visualization in
nanotechnology and biomechanics, and computational science.
The Cray XT3 system suits our needs perfectly.
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.

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All other trademarks are the property of their respective owners.

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It is a full-spectrum
laboratory, responsible for planning and executing the Air Force's entire
science and technology budget, basic research, applied research , and advanced
technology development.pathscale.

Cray will install the Cray XT3 system with 372 AMD Opteron processors
at the JAIST facility near Kanazawa City, Ishikawa, Japan. These include the technical
challenges of developing high performance computing systems, 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, fluctuating
quarterly operating results, lower margins and earnings due to significant
pricing pressure, Cray's ability to keep up with rapid technological
change, Cray's ability to compete against larger, more established
companies and innovative competitors, and general economic and market
conditions .

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Where some problems are memory bound and
require large-scale memory access and inter-processor communications , others
can be segmented to run on a series of independent processors.

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The PathScale EKOPath Compiler Suite helped Sun's AMD
Opteron processor-based servers set world records for SPEC ompM2001 on
two -processor and four-processor systems.

Cray is a registered trademark, and Cray XT3 is a trademark , of Cray Inc.

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This 29 percent advantage,
enabled in large part by PathScale compilers, far exceeds the eight percent
faster clock rate of the newer Sun systems.com/authorized_resellers. These include the PathScale InfiniPath HTX
Adapter, the industry's lowest latency Linux cluster interconnect for MPI
applications, and the OptiPath MPI Acceleration Tools, the industry's
first user-friendly root cause analysis tools for optimizing MPI
applications.





JAIST Web Site


The Cray XT3 computer system is designed to run very challenging, high-end
scientific research and engineering applications with superior scalability ,
performance and reliability.

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PRESS RELEASE LinuxWorld Conference: SPEC Benchmarks Show Sun Microsystems ' AMD Opteron-Based Servers Perform Up to 29 Percent Faster When Optimized by PathSca

More technical details and trademark statements related to this
announcement are posted at http://www.com or telephone
1-650-934-8100. (NASDAQ: CRAY) today announced that the Japan Advanced Institute of Science and
Technology (JAIST) has selected the new Cray XT3 massively parallel
processing (MPP) system as the main system for its high-performance
computing facility.D, director of
the JAIST Center for Information Science and manager of JAIST's
supercomputer facility.

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These
announcements were made this week at the LinuxWorld Conference and Expo in
Boston, where the PathScale compiler suite is being exhibited in the
Advanced Micro Devices (AMD) booth. The V20z
server achieved a new x86 world record score on floating point intensive
SPECfp2000 performance, as well as the best 2-way x86 result on floating
point performance."

EKOPath Compiler Suite Availability

The latest version of the PathScale EKOPath Compiler Suite is available
through leading Linux cluster solution providers in North America , Europe
and Asia participating in the PathScale FastPath reseller program
described at http:/ /www.

"The excellent scalability features and highly balanced system design of
the Cray XT3 , as well as its excellent price-performance, were our main
reasons for selecting this system," said Teruo Matsuzawa, Ph.

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"Sun's choice of the PathScale EKOPath compilers over all other compiler
alternatives is a testimony to the clear performance advantages of
PathScale compilers and our new OpenMP 2.html.
Global supercomputer leader Cray Inc.

Safe Harbor Statement

This press release contains forward-looking statements.

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With the help of Interactive Supercomputing Inc. Star-P is an
interactive parallel computing platform that lets researchers write
applications on desktop computers using The MathWorks' MATLAB(R), and run them
instantly and interactively on an eight-processor SGI(R) Altix(R) 3000 Server.
"For years the military relied on radar information from land-based
facilities and reconnaissance aircraft, but has recently expanded their
missions to include satellite-based radar systems," said Mark Barnell, a
systems engineer with CSC.
Star-P will enable researchers to leverage their Altix server with 28
gigabytes of memory to solve this computational challenge. The software
enables standard MATLAB commands and functions to execute in a parallel manner
transparently to the user.html

Sun tested 2-way Sun Fire V20z and 4-way Sun Fire V40z servers using
multiple SPEC benchmarks, including the SPEC ompM2001 suite of OpenMP
benchmarks. "We have made some major improvements in the
EKOPath 2.

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 filed
with the SEC on April 1, 2005.

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Military researchers plan to tap interactive supercomputing system to quickly
analyze massive satellite radar data set

WALTHAM, Mass.

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's (ISC's) Star-P(TM)
software and technical support from Computer Sciences Corporation (CSC),
defense systems researchers hope to eliminate the complexities and critical
time delays of programming parallel algorithms required to analyze terabytes
of satellite data on high -performance computers (HPCs).0 implementation," explained Art
Goldberg, COO of PathScale.pathscale .

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.

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