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The Future of Supercomputing An Interim Report (2003) / Chapter Skim
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1. Introduction
Pages 5-8

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From page 5...
... Thus, a collection of PCs that are intermittently available and are connected by a low-speed network such as the Internet can exhibit supercomputing performance, as shown by the example of SETI~Home.~ For such problems, a computational grid can replace a conventional supercomputer.2 However, many important problems requiring high-performance computing, such as the modeling of fluid flows, do not admit that kind of decomposition. While these problems can be solved using parallelism, dependencies among the subproblems necessitate frequent exchange of data and partial results, requiring significantly better communication (higher bandwidth and lower latency)
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From page 6...
... , which bridged and built on these agency efforts, was conceived and the 1 990s, when the HPCCI evolved into a broader and more diffuse program of computer science research support.4 More recently, federally supported high-performance computing research has Reemphasized computer architecture research and begun to emphasize the networked grid for high-performance computing, an emerging industry interest,5 as a unifying concept. Whereas early investments in high-performance computing research were shown to have had trickle-down benefits for mainstream computing,6 recent trends cloud the picture for such benefits.
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From page 7...
... · What is the maximum capability required in the top ASC platform, and when over the next 10 . Was the NNSA wise to abandon custom-designed chips and vector architecture for much cheaper commodity-chip-based, massively parallel systems?
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From page 8...
... Since the committee appreciates the desire to use this interim report to inform budgetary discussions for FY 2005, it shares some of its initial views in this preliminary form. Chapter 2 outlines the history and current state of supercomputing.
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Key Terms

  • defense science
  • water development
  • development appropriations
  • architecture research
  • mission requirements

  • alternative architectures
  • computing research
  • appropriations committee
  • communications initiative
  • inform budgetary

  • coupled supercomputers
  • subproblems necessitate
  • computer development
  • federally supported
  • supercomputers reside

  • increasing evidence
  • reemphasized computer
  • dod subsidize
  • partial results
  • efficient exchange

  • dod supercomputing
  • using parallelism
  • address specialpurpose
  • develop findings
  • cstb convened

  • asc program
  • initial views
  • study context
  • computing enhances
  • report address


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