Absoft New High Performance Computing Software Developers Kit Optimized for AMD Opteron™ Processor-Based Linux Clusters

New High Performance Computing Software Developers Kit
Optimized for AMD Opteron™ Processor-Based Clusters Running Linux to
Include Compilers and Tools from PathScale and Absoft

Chapel Hill, NC (April 26, 2005)
At todays 6th annual Linux Clusters — the HPC Revolution 2005,
Conference, Absoft Corporation announced a new High Performance Computing
Software Development Kit (HPC SDK) optimized for clusters based on AMD's
(NYSE: AMD) 32- and 64-bit AMD Opteron™ processors running Linux. SLES 9
and RHEL 3 will be supported in the first generally available release, planned
before the end of June.

The Absoft HPC SDK is a complete solution for software developers to
compile, run, debug, and optimize high-performance applications. It includes
Fortran and C/C++ compilers from both PathScale and Absoft, debuggers, math
libraries, and other supporting development tools. The SDK is configured to
provide the simplest installation and the highest performance on AMD Opteron
processor-based clusters. It is the only commercially available HPC SDK that
combines tools from different vendors to provide customers with the very best
solution available.

The HPC SDK includes the industry's leading software tools optimized for
the AMD Opteron processor with Direct Connect Architecture and is
preconfigured for the easiest possible installation. Customers can begin using
the HPC SDK to leverage their existing hardware and software investments in
just 3 easy mouse clicks. Absoft Corporation is the only point of contact to
simplify all pre-sale, post-sale and technical support questions related to
the HPC SDK.

PathScale and Absoft have executed a special Reseller Agreement whereby
Absoft will resell PathScale's EKOPath Compiler Suite, EKOPath C/C++ Compiler,
EKOPath FORTRAN 77/90/95 Compiler, and OptiPath MPI Acceleration Tools bundled
with other products from Absoft, including Absoft's market-leading Fx2
Debugger which is fully compatible with PathScale's products. The PathScale
products will also be enabled with Absoft's Common License Manager (CLM) which
enables the PathScale software to be sold for multiple-user Floating Network
Licenses, which are very popular in laboratories and other environments with
shared computing resources.

The HPC SDK components include PathScale's Fortran and C/C++ compilers which
generate the industry's fastest executable code for AMD Opteron processors,
Absoft's Fortran 95 compilers for multi-platform compatibility, the Absoft Fx2
debugger for improved F95/C/C++ debugging, Absoft's Common Installer for quick
and easy installation, the Absoft Modules environment for 32-bit and 64-bit
software control, Absoft's Common License Manager, MPICH, AMD's Common Math
Libraries and 12 months free continuing support. Versions are available for
SLES9 or RHEL3. Enhanced versions which incorporate additional third party
tools such as performance profilers, cluster math libraries for clusters, and
parallel debuggers are under consideration.

"We are glad to partner with innovative companies like Absoft in
developing the industry's first complete HPC SDK of commercial tools
specifically designed for AMD Opteron processors. Not only do the PathScale
compilers included in the HPC SDK provide developers the ability to deploy the
fastest executable applications available on 64-bit hardware but Absoft's HPC
SDK is unique because it supports tools from a variety of commercial and open
source vendors, including PathScale and Absoft together. This approach results
in the best-of-breed most cost-effective and highest-performing solutions for
our customers," said PathScale Chief Executive Officer Scott Metcalf.

"Absoft is pleased to announce this innovative partnership with
industry leaders like PathScale and IBM in the creation of the HPC SDK to
leverage the many strengths of different leading vendors into a solution which
provides the best-of-breed products available to the customer. Absoft will
continue to lead the industry in the development of such tools and leverage
its 25 years of multi platform experience to create software solutions with a
common look and feel which runs across all of todays leading HPC environments.
We combine the industry's best tools, a common look and feel and a single
point of contact to answer all the questions," said Absoft CEO Wood
Lotz.

"This collaboration between PathScale and Absoft will clearly benefit
the increasing number of 64-bit Linux application developers who deploy AMD
Opteron processor-based systems" stated Pat Patla, director,
server/workstation marketing, Microprocessor Solutions Sector, AMD. "The
combination of quality development tools and the Direct Connect Architecture
of the AMD Opteron processor family can only help extend AMD's position as the
premier choice for HPC clusters. PathScale and Absoft have been instrumental
in helping developers take full advantage of the AMD64 platform.

The HPC SDK Basic PathScale Edition for Linux on AMD Opteron
processor-based systems will become generally available in the second quarter
of 2005. For beta and early adopter program participation, please contact sales@absoft.com or call (248) 853-0050.
For more information on this new product announcement, please see: http://www.absoft.com/Products/Clusters/hpcsdk_pathscale.html.

About Absoft Corporation

Celebrating 25 years of leadership in software solutions, Absoft
Corporation (Rochester Hills, Michigan) is a recognized leader in creation of
software development tools. Absoft introduced the first commercial 32-bit
Fortran compilers for Macintosh, Windows-NT, Linux and High Performance C
omputing (HPC) environments, and leads the industry with the recently
announced HPC Software Developers Kit. Absoft products are distributed
worldwide. For more information, please contact Jeff Livesay at (248) 853-0050
or jal@absoft.com or visit www.absoft.com.

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.
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. 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. For more details, visit www.pathscale.com, send email to sales@pathscale.com or telephone 1-650-934-8100.

Trademarks
Absoft® is a trademark of Absoft, Corporation. All rights reserved. AMD,
the AMD Arrow logo, AMD Opteron, and combinations thereof, are trademarks of
Advanced Micro Devices, Inc. All other company/product names and service marks
may be trademarks or registered trademarks of their respective companies.

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