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Computing in Science & Engineering

Issue 6 • Date Nov.-Dec. 2010

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Displaying Results 1 - 21 of 21
  • [Front cover]

    Publication Year: 2010 , Page(s): c1
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  • [Front cover]

    Publication Year: 2010 , Page(s): c2
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  • [Masthead]

    Publication Year: 2010 , Page(s): 1
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  • Contents

    Publication Year: 2010 , Page(s): 2 - 3
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  • Dystopia

    Publication Year: 2010 , Page(s): 4
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  • A How-to Guide for Predicting Properties of Materials with DFT [review of "Density Functional Theory: A Practical Introduction" (Sholl, D.S. and Steckel, J.A.; 2009) [Book review]

    Publication Year: 2010 , Page(s): 5 - 7
    Cited by:  Papers (1)
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  • Green HPC: From Nice to Necessity

    Publication Year: 2010 , Page(s): 8 - 10
    Cited by:  Papers (21)
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  • Money for Research, Not Energy Bills: Finding Energy and Cost Savings in High-Performance Computer Facility Designs

    Publication Year: 2010 , Page(s): 11 - 19
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (2310 KB) |  | HTML iconHTML  

    High-performance computing facilities in the US consume enormous amounts of electricity,, cutting into research budgets and challenging efforts to reduce energy consumption and meet environmental goals. Facility designs that target efficiency greatly reduce energy demand. This case study describes strategies and technologies to achieve facility energy reductions through thoughtful design. View full abstract»

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  • Embedded Systems and Exascale Computing

    Publication Year: 2010 , Page(s): 20 - 29
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (514 KB) |  | HTML iconHTML  

    What do the architectures of a future exascale computing system and a future battery-operated embedded system have in common? At first glance, their requirements and challenges seem unrelated. However, discussions and collaboration on the projects revealed not only similar requirements, but many common power and packaging issues as well. View full abstract»

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  • Software and Hardware Techniques for Power-Efficient HPC Networking

    Publication Year: 2010 , Page(s): 30 - 37
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (517 KB) |  | HTML iconHTML  

    Although most large-scale systems are designed with the network as a central component, the interconnection network's energy consumption has received little attention. However, several software and hardware approaches can increase the interconnection network's power efficiency by using the network more efficiently or using throttling bandwidths to reduce the power consumption of unneeded resources. View full abstract»

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  • Advanced Architectures and Execution Models to Support Green Computing

    Publication Year: 2010 , Page(s): 38 - 47
    Cited by:  Papers (15)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (553 KB) |  | HTML iconHTML  

    Creating the next generation of power-efficient parallel computers requires a rethink of the mechanisms and methodology for building parallel applications. Energy constraints have pushed us into a regime where parallelism will be ubiquitous rather than limited to highly specialized high-end supercomputers. New execution models are required to span all scales, from desktop to supercomputer. View full abstract»

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  • Simulating the Electro-Mechanical Behavior of Skeletal Muscles

    Publication Year: 2010 , Page(s): 48 - 58
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1464 KB) |  | HTML iconHTML  

    Computational models of the human body must be accurate enough to use in hypothesis testing or biological function analysis. This is possible only when such models use physiological information from different scales-such as the cell, tissue, and organ levels. This model of excitation-contraction coupling in skeletal muscles links cell-level electro-physiological behavior with organ-level biomechanical behavior. View full abstract»

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  • The Art of Approximation

    Publication Year: 2010 , Page(s): 59 - 61
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (464 KB) |  | HTML iconHTML  

    A fine line divides "not bad and useful" from "wildly wrong" when it comes to easy approximations for hard-to-compute problems. Monte Carlo methods sometimes play a role slightly similar to the old-time tricks of estimation. However, instead of merely checking a result's plausibility, researchers also use Monte Carlo to estimate things that are impossible to compute exactly. A standard way to introduce several fundamental techniques of algorithm design using the notion of topological sorting. Wikipedia gives pseudo code for two ways of generating a topological sort. View full abstract»

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  • Programming Experiences Using the X10 Language

    Publication Year: 2010 , Page(s): 62 - 69
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    Future large-scale parallel heterogeneous machines will likely need new programming approaches; X10 proposes one such alternative. View full abstract»

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  • For Students By Students

    Publication Year: 2010 , Page(s): 70 - 73
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    Need to update laboratory instrumentation and courseware? Constrained by a tight budget? This article might be for you! View full abstract»

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  • Computing Discrete Minimal Surfaces Using a Nonlinear Spring Model

    Publication Year: 2010 , Page(s): 74 - 79
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    A new algorithm can derive one or more minimal surfaces from an initial arbitrary surface with a fixed boundary. A discrete surface is a mesh represented as a set of vertices in 3D. The method extends earlier work, which used linear elastic springs to simulate a spider web animated in 3D. View full abstract»

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  • High-Performance Heterogeneous Computing with the Convey HC-1

    Publication Year: 2010 , Page(s): 80 - 87
    Cited by:  Papers (13)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1031 KB) |  | HTML iconHTML  

    Unlike other socket-based reconfigurable coprocessors, the Convey HC-1 contains nearly 40 field-programmable gate arrays, scatter-gather memory modules, a high-capacity crossbar switch, and a fully coherent memory system. View full abstract»

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  • Fixing Internet Advertising: What Would Donald Draper Do?

    Publication Year: 2010 , Page(s): 88
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (213 KB) |  | HTML iconHTML  

    Donald Draper is the main character in AMC's drama series Mad Men. Set in an advertising agency in mid-1960s Manhattan, the show follows Don and his coworkers as they navigate a business-world fraught with duplicitous rivalry. The author uses this character as analogy to his paper on Internet advertising. Internet content is so voluminous, so fragmented, and so variable in quality that it's hard for ad sales reps to sell against. People consume Internet content at work and on the go, rather than at home and at their leisure. To answer these problems, Don would make the point that a magazine's homepage is like a cross between its cover and table of contents. What works on covers is the combination of arresting visual and inviting blurbs. Don would also seize on Nielsen research. Internet advertising doesn't have to pretend to be editorial, but it should, perhaps, be as worthwhile to view. View full abstract»

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  • [Advertisement - Back cover]

    Publication Year: 2010 , Page(s): c3
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  • [Advertisement - Back cover]

    Publication Year: 2010 , Page(s): c4
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  • Annual Index

    Publication Year: 2010 , Page(s): 0
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Aims & Scope

Computing in Science & Engineering presents scientific and computational contributions in a clear and accessible format.

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Meet Our Editors

Editor-in-Chief
George K. Thiruvathukal
Loyola University