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    Structural Design using Cellular Automata 

    Slotta, Douglas J.; Tatting, B.; Watson, Layne T.; Gürdal, Zafer (Department of Computer Science, Virginia Polytechnic Institute & State University, 2001), TR-01-02
    Traditional parallel methods for structural design do not scale well. This paper discusses the application of massively scalable cellular automata (CA) techniques to structural design. There are two sets of CA rules, one ...
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    The Green500 List: Escapades to Exascale 

    Scogland, Thomas R. W.; Subramaniam, Balaji; Feng, Wu-chun (Department of Computer Science, Virginia Polytechnic Institute & State University, 2011), TR-11-26
    Energy efficiency is now a top priority. The first four years of the Green500 have seen the importance of en- ergy efficiency in supercomputing grow from an afterthought to the forefront of innovation as we near a point where ...
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    Theory of Globally Convergent Probability-one Homotopies for Non-linear Programming 

    Watson, Layne T. (Department of Computer Science, Virginia Polytechnic Institute & State University, 2000), TR-00-04
    For many years globally convergent probability-one homotopy methods have been remarkably successful on difficult realistic engineering optimization problems,most of which were attacked by homotopy methods because other ...
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    Multifaceted Web Services: An Approach to Secure and Scalable Grid Scheduling 

    Prabhakar, Sandeep; Ribbens, Calvin J.; Bora, Prachi (Department of Computer Science, Virginia Polytechnic Institute & State University, 2002-10-01), TR-02-26
    A multifaceted or multi-interface web service is a web service that offers interfaces to clients and to other peer web services. The multifaceted web service uses a generic parameter-based approach developed in this paper ...
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    CoreTSAR: Task Scheduling for Accelerator-aware Runtimes 

    Scogland, Thomas R. W.; Feng, Wu-chun; Rountree, Barry; de Supinski, Bronis R. (Department of Computer Science, Virginia Polytechnic Institute & State University, 2012), TR-12-20
    Heterogeneous supercomputers that incorporate computational accelerators such as GPUs are increasingly popular due to their high peak performance, energy efficiency and comparatively low cost. Unfortunately, the programming ...
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    Performance Modeling and Analysis of a Massively Parallel DIRECT— Part 1 

    He, Jian; Verstak, Alex; Watson, Layne T.; Sosonkina, Masha (Department of Computer Science, Virginia Polytechnic Institute & State University, 2007), TR-07-01
    Modeling and analysis techniques are used to investigate the performance of a massively parallel version of DIRECT, a global search algorithm widely used in multidisciplinary design optimization applications. Several ...
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    Architectural Refactoring for Fast and Modular Bioinformatics Sequence Search 

    Archuleta, Jeremy; Tilevich, Eli; Feng, Wu-chun (Department of Computer Science, Virginia Polytechnic Institute & State University, 2006-09-01), TR-06-20
    Bioinformaticists use the Basic Local Alignment Search Tool (BLAST) to characterize an unknown sequence by comparing it against a database of known sequences, thus detecting evolutionary relationships and biological ...
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    A Framework to Analyze the Performance of Load Balancing Schemes for Ensembles of Stochastic Simulations 

    Ahn, Tae-Hyuk; Sandu, Adrian; Watson, Layne T.; Shaffer, Clifford A.; Cao, Yang; Baumann, William T. (Department of Computer Science, Virginia Polytechnic Institute & State University, 2012), TR-12-06
    Ensembles of simulations are employed to estimate the statistics of possible future states of a system, and are widely used in important applications such as climate change and biological modeling. Ensembles of runs can ...
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    A Genetic Algorithm for Mixed Integer Nonlinear Programming Problems Using Separate Constraint Approximations 

    Gantovnik, Vladimir B.; Gürdal, Zafer; Watson, Layne T.; Anderson-Cook, Christine M. (Department of Computer Science, Virginia Polytechnic Institute & State University, 2003), TR-03-22
    This paper describes a new approach for reducing the number of the fitness and constraint function evaluations required by a genetic algorithm (GA) for optimization problems with mixed continuous and discrete design ...
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    ScALPEL: A Scalable Adaptive Lightweight Performance Evaluation Library for application performance monitoring 

    Pyla, Hari; Ramesh, Bharath; Ribbens, Calvin J.; Varadarajan, Srinidhi (Department of Computer Science, Virginia Polytechnic Institute & State University, 2009-02-01), TR-09-03
    As supercomputers continue to grow in scale and capabilities, it is becoming increasingly difficult to isolate processor and system level causes of performance degradation. Over the last several years, a significant number ...
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    Content TypeTechnical report (64)Subject
    Parallel computation (64)
    Algorithms (3)Bioinformatics (3)Data structures (3)Distributed computing (2)... View MoreDate Issued2010 - 2012 (15)2000 - 2009 (48)1999 - 1999 (1)AuthorWatson, Layne T. (35)Ribbens, Calvin J. (9)Feng, Wu-chun (8)Gürdal, Zafer (7)Haftka, Raphael T. (6)... View MoreHas File(s)Yes (64)

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