com/trial.pathscale .html
PathScale InfiniPath achieved an MPI latency of 1.

gushes scheduler

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 InfiniPath HTX Adapter is planned for availability later this spring.

filesystem interoperable

These are important
benchmarks that give better indications of real world application performance."

PathScale InfiniPath Performance Results
PathScale has published a white paper that includes a technical analysis
of several application benchmarks that compare the new InfiniPath interconnect
with competitive interconnects.com/whitepapers.html

PathScale Customer Benchmark Center
PathScale has established a fully-integrated InfiniPath cluster at its
Customer Benchmark Center in Mountain View, California.

cluster filesystem

These improvements
include code generator performance tuning for OpenMP applications and
significantly improved compilation times.
We challenge users to benchmark their own applications on an InfiniPath
cluster and see what the impact of this breakthrough performance means to
them. InfiniPath has proven to be
faster and to scale better for our parallel applications than other cluster
interconnect solutions that we tested.

InfiniPath Availability
Over 25 leading Linux system vendors around the world have signed on to
resell the InfiniPath HTX Adapter, including vendors in every major European
market.

computerworld supercomputer

com or telephone 1-650-934-8100.

beowulf filesystem

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

Additional information is available at www .1 of the EKOPath Compiler Suite
specifically for Dual-Core AMD Opteron processors.com, send
email to sales@pathscale. Potential customers
and ISVs are invited to remotely test their own MPI and TCP/IP applications
and personally experience the clear performance advantages of the InfiniPath
low-latency interconnect.

smp inroads

7 microseconds.

smp inroads

More data is available at: http://www. This represents performance
advantages that are 50 percent to 200 percent better than the newly announced
Mellanox and Myricom interconnect products.
The InfiniPath HTX(TM) Adapter is a low-latency cluster interconnect for
InfiniBand(TM) that plugs into standard HyperTransport technology-based HTX
slots on AMD Opteron (TM) servers. The InfiniPath HTX Adapter card will ship in late June and is
orderable immediately from vendors participating in the PathScale FastPath(TM)
reseller program as described at http:/ /www.
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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HPC end users can register now for the InfiniPath Interconnect Early Access
Program, which begins in May.

New Interconnects Debut at ISC 2005 Heidelberg: PathScale InfiniPath(TM) Scales Better and Delivers Up to 200 Percent Better Performance Than the Competition

These results were released this week at the
International Supercomputer Conference 2005 in Heidelberg, Germany.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.pathscale.

filesystem interoperable

com/infinipath -perf. InfiniPath also produced
industry-leading benchmarks on more comprehensive metrics that predict how
real applications will perform.
"When evaluating interconnect performance for HPC applications , it is
essential to go beyond the simplistic zero-byte latency and peak streaming
bandwidth benchmarks ," said Art Goldberg, COO of PathScale. This PathScale white paper can be downloaded
from: http: //www.com or telephone 1-650-934-8100.

A Beowulf-class computer is a cluster computer composed of bare -bones computers (generally cheap ones, containing only a processor, memory, and a network card) connected with fast networking.

interoperable leaps

In close collaboration with AMD's engineers,
PathScale has optimized version 2. PathScale Uniquely Exploits Multi-Processor Nodes and Dual-Core Processors

HEIDELBERG , Germany, International Supercomputer Conference, PathScale, developer of innovative software and hardware
solutions to accelerate the performance and efficiency of Linux(R) clusters,
has released new benchmark results that show its new InfiniPath(TM)
interconnect for InfiniBand(TM) dramatically outperforms competitive
interconnect solutions by providing the lowest latency across a broad spectrum
of cluster-specific benchmarks.

scalable latency

pathscale.

beowulf latency

Free Trial Compiler Download More info on AMD Dual-Core


PathScale 2. "AMD dual -core technology is a natural
extension of AMD64's innovative Direct Connect Architecture. 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. Optimized for communications-sensitive
applications, InfiniPath is the industry's lowest-latency Linux cluster
interconnect for message passing (MPI) and TCP/IP applications."
PathScale InfiniPath uniquely exploits multi-processor nodes and dual-core
processors to deliver greater effective bandwidth as additional CPUs are
added.

beowulfs latency

"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. 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/earlyaccess. "InfiniPath
delivers the industry's best performance on simple MPI benchmarks and provides
dramatically better results on more meaningful interconnect metrics such as
n1/2 message size (or half-power point), latency across a spectrum of message
sizes, and latency across multiprocessor nodes. By contrast , the
unique messaging parallelization capabilities of InfiniPath enable multiple
processors or cores to send messages simultaneously, maintaining constant
latency while dramatically improving small message capacity and further
reducing the n1/2 message size and substantially increasing effective
bandwidth.
"We compared the performance of PathScale's InfiniPath interconnect on a
16 -node/32-CPU test run with VASP, a quantum mechanics application used
frequently in our facility, and found that VASP running on InfiniPath was
about 50 percent faster than on Myrinet," said Martin Cuma, Scientific
Applications Programmer for the Center for High-Performance Computing at the
University of Utah. "Standard benchmarks do not give an accurate picture of
how well an interconnect will perform in a real-world environment.com, send email
to sales@pathscale.

smp monolithic

com/earlyaccess. 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.

Beowulfs were developed as a cheap alternative to buying a monolithic supercomputer, and can be put together from generally accessible parts.

parallel bundle

pathscale."

PathScale's innovative InfiniPath HTX Adapter for Infiniband was
designed specifically with Dual-Core AMD Opteron processors in mind.
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.html.

Any of the existing serial offload HCA designs cause messages to stack
up when multiple processors try to access the adapter.com/authorized_resellers.

filesystem scalable

For details on this, please visit
www.pathscale.html. For more details, visit http://www.

filesystem cluster

pathscale. 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.

latency beowulf

InfiniPath is the only cluster interconnect that implements a
HyperTransport technology-based tunnel architecture to better
accommodate two and four socket servers. For more details, visit www.

The word 'beowulf' refers to a class of parallel computers.

beowulf nfs

com/pr_042105.32 microseconds (as
measured by the standard MPI "ping-pong" benchmark), n1/2 message size of 385
bytes and TCP /IP latency of 6.pathscale.

bundle cluster

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.

computerworld inroads

bundle gushes

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 .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.

Special system software allows all the individual computers in the cluster to work together efficiently.

appleseed interoperable

A 30-day free trial of the PathScale EKOPath Compiler Suite is available at
www.
For details, visit www.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.

beowulfs inroads

Other interconnects do not implement this
capability in hardware which can lead to performance scalability issues.pathscale.

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.
Performance improvement will vary with different applications due to their
parallelization strategies, but InfiniPath almost always delivers better
performance than other interconnects when you scale it to larger systems and
run communications-intensive scientific codes.

monolithic computerworld

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