Open SpeedShop Now Available to Linux Developers At SC|05, Demonstrations and Technical Sessions Shine Spotlight

on Popular Analysis Tool for HPC Open-Source Applications

    SEATTLE, SC|05, Nov. 15 /PRNewswire-FirstCall/ -- Culminating a year of
 joint development, the U.S. Department of Energy's (DOE) National Nuclear
 Security Administration (NNSA) and Silicon Graphics (OTC Bulletin Board:   SGID)
 today announced that an open-source version of the SGI(R) SpeedShop(TM)
 performance analysis tool is now available to developers.
     Open|SpeedShop(TM), an open-source, multi-platform Linux(R) tool, helps
 developers and end users analyze the performance of applications running on
 single-node to large-scale IA32, IA64, EM64T and AMD64 platforms. The new
 open-source tool is the result of a cooperative government/industry effort to
 make more sophisticated open-source performance tools available to government
 laboratories, universities and other researchers.
     At the SC|05 Conference Nov. 12-18 in Seattle, Linux application
 developers can attend a Birds-of-a-Feather session and ongoing demonstrations
 of Open|SpeedShop.
     -- Birds-of-a-Feather session: 12:15 to 1:15 p.m. Wednesday, Nov. 16, in
        Room 615-616 of the Washington State Convention and Trade Center.
        Jim Galarowicz from SGI and Martin Schulz from Lawrence Livermore
        National Laboratory will discuss the current status of Open|SpeedShop
        and the opportunities it presents to high-performance computing (HPC)
        application developers and users.
     -- Live demonstrations of Open|SpeedShop:  Ongoing in the SGI Booth
        (No. 602) and the NNSA Advanced Simulation and Computing (ASC) Tri-Labs
        Booth (No. 402).
     Developed by SGI in collaboration with Lawrence Livermore National
 Laboratory, Los Alamos National Laboratory, and Sandia National Laboratories,
 Open|SpeedShop utilizes dynamic instrumentation technology developed at the
 University of Wisconsin and University of Maryland.
     The tool's base functionality includes program counter sampling, exclusive
 and inclusive user time, CPU hardware performance counter, MPI event tracing,
 I/O call tracing, and floating-point exception experiments. Designed to be
 modular and extensible, Open|SpeedShop supports several levels of plug-ins
 that allow users to add their own performance experiments. The tool's
 infrastructure and base components are being released open source under GPL
 and LGPL.
     Key features of the powerful open-source tool include:
     -- Three modes of operation: batch, interactive command line interface,
        and graphical user interface
     -- Multi-platform single system image, traditional cluster, and SGI super
        cluster support
     -- Support for large numbers of processes, threads, and ranks
     For more information or to download the developer beta version of
 Open|SpeedShop, visit: .
     SILICON GRAPHICS | The Source of Innovation and Discovery(TM)
     SGI, also known as Silicon Graphics, Inc. (OTC: SGID), is a leader in
 high-performance computing, visualization and storage. SGI's vision is to
 provide technology that enables the most significant scientific and creative
 breakthroughs of the 21st century. Whether it's sharing images to aid in brain
 surgery, finding oil more efficiently, studying global climate, providing
 technologies for homeland security and defense or enabling the transition from
 analog to digital broadcasting, SGI is dedicated to addressing the next class
 of challenges for scientific, engineering and creative users. With offices
 worldwide, the company is headquartered in Mountain View, Calif., and can be
 found on the Web at
     NOTE:  Silicon Graphics, SGI, the SGI cube and the SGI logo are registered
 trademarks, and SpeedShop, Open|SpeedShop and The Source of Innovation and
 Discovery are trademarks of Silicon Graphics, Inc., in the United States
 and/or other countries worldwide. Linux is a registered trademark of Linus
 Torvalds in several countries. All other trademarks mentioned herein are the
 property of their respective owners.
      Ginny Babbitt


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