pathscale.com/pr_042105.pathscale.

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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.0 release to optimize performance of multi-processor nodes and
have also worked closely with AMD to support their upcoming dual-core
processor release.

A 30-day free trial is available to new compiler customers at
http://www.pathscale.
Green Hills
Software , Inc.ti.

Green Hills, the Green Hills logo, MULTI, INTEGRITY, velOSity, AdaMULTI and
TimeMachine , are trademarks or registered trademarks of Green Hills
Software, Inc.

systems tech

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. is the technology leader in
real-time operating systems (RTOS) and device software optimization (DSO)
for 32- and 64-bit embedded systems.com.

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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.

"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.com/authorized_resellers . TI CEO Rich Templeton will be joined by
industry leaders, embedded designers, engineers, project managers,
educators and other TI executives from around the world for the conference,
held from February 28 - March 2, 2006 at the Hyatt Regency in Dallas,
Texas.com/3p.

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Additional information is available at www.

InfiniPath is the only cluster interconnect that implements a
HyperTransport technology-based tunnel architecture to better
accommodate two and four socket servers. 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, resource
optimization, decision support and data mining. Our royalty-free INTEGRITY RTOS,
velOSity microkernel, compilers, MULTI and AdaMULTI integrated
development environments and TimeMachine debugger offer a complete
development solution that addresses both deeply embedded and
high-reliability applications.

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com/earlyaccess.com/pr_021505 .com/tidc2006.

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PRESS RELEASE PathScale Offers Free Trial Download of World's Fastest Compiler for AMD 's New 64-Bit X86 Dual-Core Processors

A 30-day free trial of the PathScale EKOPath Compiler Suite is available at
www.pathscale.

The InfiniPath HTX Adapter is planned for availability later this spring.

More technical details and trademark statements related to this
announcement are posted at http://www.

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pathscale.html.pathscale.

PRESS RELEASE Green Hills Software Joins Texas Instruments Third Party Developer Network

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Free Trial Compiler Download More info on AMD Dual-Core


PathScale 2.
InfiniPath is the industry's lowest latency Linux cluster interconnect,
delivering SMP-class performance to commodity -priced Linux clusters while
leveraging important standards such as HyperTransport technology,
InfiniBand , MPICH and AMD64 Direct Connect Architecture. The Sun/PathScale two-processor
results were 29 percent faster than previous-best Linux ompM2001 benchmarks
using non-PathScale Fortran and C compilers.

pathscale. 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. Green Hills Software's advanced target
software capabilities and products coupled with the advanced multicore
debugging support of the MULTI IDE for ARM and C64x+ core provide the
customer the tools to harness the performance of DaVinci technology," said
Greg Mar, worldwide system-on-a chip marketing manager, Texas Instruments.

but power

"Working closely with PathScale and other technology partners, AMD has set
new performance standards for x86-based 64-bit computing," said Pat Patla,
director, server/workstation marketing, Microprocessor Business Unit,
Computation Products Group , AMD.

About PathScale

Based in Mountain View, California, PathScale develops software and
hardware technologies that substantially increase the performance and
efficiency of Linux clusters, the next significant wave in high-end
computing. "Green Hills Software is pleased to be part of the TI
third party program, providing value-added solutions to our mutual
customers.

About the Texas Instruments Developer Conference

The 2006 TI Developer Conference (TIDC) features the latest in
high-performance digital signal processing, high-performance analog and
microcontroller system designs.S.

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

0 implementation," explained Art
Goldberg, COO of PathScale. OpenMP performance is critical to efficient use of these
types of systems and the Sun benchmark results underscore the quality of
the EKOPath implementation.php.com/earlyaccess.

compilers makers

This is essential for servers
designed with multiple dual-core processors, since the number of available
HyperTransport technology interfaces in these systems may be limited.com or telephone 1-650-934-8100."

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. Customers can register for early access to InfiniPath and
OptiPath by visiting http://www.

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PathScale's
EKOPath compilers and InfiniPath interconnect products allow users to
deploy Dual-Core AMD Opteron processor-based systems for maximum
application performance and greater user productivity.
InfiniPath is also unique with nine virtual ports per chip for user
applications implemented directly in hardware, meaning that each InfiniPath
adapter efficiently supports up to eight CPUs with one additional port for
the Linux operating system.com, send
email to sales@pathscale.

Green Hills Software will be demonstrating its new TI DaVinci development
solution at the TI Developer Conference, February 28 through March 2, 2006
in Dallas, Texas.
For more information, visit www.

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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.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. By supporting TI's advanced processor technology, we enable
customers to shorten their product development cycles while ensuring
maximum reliability and functionality.ghs. Including keynote speakers, technical presentations and live
demonstrations, the conference offers intensive learning and hands-on
interaction with cutting edge products to empower the development of the
next-generation of video, audio, communications and control applications.

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html

AMD's (NYSE: AMD) revolutionary Direct Connect Architecture with two cores
on the same die along with memory and HyperTransport technology I/O,
enables superior performance per dollar and performance per watt for 32-
and 64-bit x86 applications.com/earlyaccess . For more details, visit www. 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.





Download 30 Day Free Trial


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.

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PathScale, developer of innovative
software and hardware solutions to accelerate the performance and
efficiency of Linux clusters , has optimized its industry-leading EKOPath
Compiler Suite and InfiniPath low-latency interconnect to provide
enhanced support for the new Dual-Core AMD Opteron processors. is a member of TI's TMS320 third party program,
the most extensive collection of global DSP development support in the
industry .

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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 .

About Green Hills Software

Founded in 1982, Green Hills Software, Inc. Green Hills Software is headquartered in
Santa Barbara, CA, with European headquarters in the United Kingdom.

About the Texas Instruments Third Party Program

Green Hills Software, Inc. With more than 650 independent companies and consultants, TI's
customers have easy access to a broad range of application software ,
development hardware and software and consulting services. in the U. All other trademarks are
the property of their respective owners.

linux compilers

php

HPC end users can register now for the InfiniPath Interconnect Early Access
Program, which begins in May. In close collaboration with AMD's engineers,
PathScale has optimized version 2.
For details, visit www.pathscale.

"TI's DaVinci processor is the most advanced heterogeneous multicore
solution to date," said Dan Mender, director of business development at
Green Hills Software.

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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. "We have made some major improvements in the
EKOPath 2. Developed in partnership with TI, the Green Hills
solution for DaVinci provides a comprehensive suite of development tools,
operating systems and middleware running on the general purpose processor
(GPP) ARM core and the latest TI Digital Signal Processor (DSP) core, the
C64x+ core. For more
information on the TI third party program, please visit www.

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com/trial.pathscale. 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.html.com/trial."

"Green Hills Software is a valued addition to our Third Party Network,
providing customers with a complete, integrated and validated debugger,
compiler and target software solution for use in the development and
deployment of DaVinci -based designs.ti.

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For details on this, please visit
www.html.1 of the EKOPath Compiler Suite
specifically for Dual-Core AMD Opteron processors. 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 .

and/or internationally.

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x compilers enable AMD and its system partners to produce
unprecedented performance benchmark results on dual-core x86 systems, such
as the recent SPEC CPU2000 benchmarks submitted by HP and AMD which use
PathScale compilers exclusively to optimize their Linux results ."

PathScale's innovative InfiniPath HTX Adapter for Infiniband was
designed specifically with Dual-Core AMD Opteron processors in mind.com or telephone
1-650-934-8100., the leader in real-time operating systems (RTOS) and
device software optimization (DSO), today announced that it has joined Texas Instruments
Incorporated's (TI) TMS320 Third Party Network as a software and
embedded services provider.

The Green Hills MULTI
integrated development environment (IDE), cross compilers , target
hardware probes, royalty-free real-time
operating systems (INTEGRITY and velOSity) and target middleware now
support the DaVinci
technology from TI, including support for advanced Linux kernel and
application debugging.

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For more details, visit
sales@pathscale. Visit
Green Hills Software on the web at www.

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These improvements
include code generator performance tuning for OpenMP applications and
significantly improved compilation times. "AMD dual-core technology is a natural
extension of AMD64's innovative Direct Connect Architecture. Other interconnects do not implement this
capability in hardware which can lead to performance scalability issues. This 29 percent advantage ,
enabled in large part by PathScale compilers, far exceeds the eight percent
faster clock rate of the newer Sun systems.

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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