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IEEE Transactions on Computers

Issue 1 • Jan. 2009

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Displaying Results 1 - 17 of 17
  • [Front cover]

    Publication Year: 2009, Page(s): c1
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  • [Inside front cover]

    Publication Year: 2009, Page(s): c2
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  • State of the Journal

    Publication Year: 2009, Page(s):1 - 4
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  • Regular Papers 
  • Wire-Speed TCAM-Based Architectures for Multimatch Packet Classification

    Publication Year: 2009, Page(s):5 - 17
    Cited by:  Papers (26)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2728 KB) | HTML iconHTML

    Most conventional packet classifiers find only the highest priority filter that matches the arriving packet. However, new networking applications such as network intrusion detection systems and load balancers require all (or the first few) matching packets during classification. In this paper, two TCAM-based architectures for multi-match search are introduced. The first one is a renovated TCAM des... View full abstract»

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  • FPC: A High-Speed Compressor for Double-Precision Floating-Point Data

    Publication Year: 2009, Page(s):18 - 31
    Cited by:  Papers (46)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4340 KB) | HTML iconHTML

    Many scientific programs exchange large quantities of double-precision data between processing nodes and with mass storage devices. Data compression can reduce the number of bytes that need to be transferred and stored. However, data compression is only likely to be employed in high-end computing environments if it does not impede the throughput. This paper describes and evaluates FPC, a fast loss... View full abstract»

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  • Networks-on-Chip in a Three-Dimensional Environment: A Performance Evaluation

    Publication Year: 2009, Page(s):32 - 45
    Cited by:  Papers (200)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4607 KB) | HTML iconHTML

    The Network-on-Chip (NoC) paradigm has emerged as a revolutionary methodology for integrating a very high number of intellectual property (IP) blocks in a single die. The achievable performance benefit arising out of adopting NoCs is constrained by the performance limitation imposed by the metal wire, which is the physical realization of communication channels. With technology scaling, only depend... View full abstract»

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  • Optimized Custom Precision Function Evaluation for Embedded Processors

    Publication Year: 2009, Page(s):46 - 59
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3608 KB) | HTML iconHTML

    Fixed-point processors are utilized in an enormous variety of applications, often for tasks that require the evaluation of mathematical functions. We present an automated method for mapping functions to such processors via polynomials that explicitly targets the native word-length of the processor, thereby significantly reducing the execution time relative to commonly used floating-point emulation... View full abstract»

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  • Limit on the Addressability of Fault-Tolerant Nanowire Decoders

    Publication Year: 2009, Page(s):60 - 68
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (830 KB) | HTML iconHTML

    Although prone to fabrication error, the nanowire crossbar is a promising candidate compoent for next generation nanometer-scale circuits. In the nanowire crossbar architecture, nanowires are addressed by controlling voltages on the mesowires. For area efficiency, we are interested in the maximum number of nanowires N(m,e) that can be addressed by m mesowires, in the face of up to e fabrication er... View full abstract»

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  • Sensitivity-Based Optimization of Disk Architecture

    Publication Year: 2009, Page(s):69 - 81
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2934 KB) | HTML iconHTML

    Storage plays a pivotal role in the performance of many applications. Many applications, especially those that run on servers, are I/O intensive and therefore require high performance storage systems. These high-end storage systems consume a large amount of power, the bulk of which is due to the disk drives. Optimizing disk architectures is a design time as well as a run time issue and requires ba... View full abstract»

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  • Delay-Constrained Multicast Routing Using the Noisy Chaotic Neural Networks

    Publication Year: 2009, Page(s):82 - 89
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2091 KB) | HTML iconHTML

    We present a method to compute the delay constrained multicast routing tree by employing chaotic neural networks. Experimental result shows that the noisy chaotic neural network (NCNN) provides optimal solution more often compared to the transiently chaotic neural network (TCNN) and the Hopfield neural network (HNN). Furthermore, compared with the bounded shortest multicast algorithm (BSMA), the n... View full abstract»

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  • Regular Papers 
  • Draco: Efficient Resource Management for Resource-Constrained Control Tasks

    Publication Year: 2009, Page(s):90 - 105
    Cited by:  Papers (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1543 KB) | HTML iconHTML

    In many application areas, including control systems, careful management of system resources is key to providing the best application performance. Traditional control systems with multiple control loops statically allocate a fixed portion of the system resources to each controller based on their average or worst-case resource requirements. However, controllers' resource needs vary depending on the... View full abstract»

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  • Complexities of Graph-Based Representations for Elementary Functions

    Publication Year: 2009, Page(s):106 - 119
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2244 KB) | HTML iconHTML

    This paper analyzes complexities of decision diagrams for elementary functions such as polynomial, trigonometric, logarithmic, square root, and reciprocal functions. These real functions are converted into integer-valued functions by using fixed-point representation. This paper presents the numbers of nodes in decision diagrams representing the integer-valued functions. First, complexities of deci... View full abstract»

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  • Localized Minimum-Energy Broadcasting for Wireless Multihop Networks with Directional Antennas

    Publication Year: 2009, Page(s):120 - 131
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1962 KB) | HTML iconHTML

    We propose several localized algorithms to achieve energy-efficient broadcasting in wireless multihop networks using directional antennas. Each node needs to know only geographic position of itself and its neighbors. Our first protocol is called DRBOP and it follows the one-to-one communication model to reach to all nodes in the relative neighborhood graph (RNG). Each node that receives a message ... View full abstract»

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  • An Improved Search Method for Accumulator-Based Test Set Embedding

    Publication Year: 2009, Page(s):132 - 138
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (775 KB) | HTML iconHTML

    In this paper we present a new search method for test set embedding using an accumulator driven with an additive constant C. We formulate the problem of finding the location of a test pattern in the generated sequence in terms of a linear Diophantine equation with two variables, which is known to be solved quickly in linear time. We show that only one Diophantine equation needs to be solved per te... View full abstract»

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  • 2008 TC Reviewers List

    Publication Year: 2009, Page(s):139 - 144
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  • TC Information for authors

    Publication Year: 2009, Page(s): c3
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  • [Back cover]

    Publication Year: 2009, Page(s): c4
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Aims & Scope

The IEEE Transactions on Computers is a monthly publication with a wide distribution to researchers, developers, technical managers, and educators in the computer field.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Paolo Montuschi
Politecnico di Torino
Dipartimento di Automatica e Informatica
Corso Duca degli Abruzzi 24 
10129 Torino - Italy
e-mail: pmo@computer.org