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Proceedings of the IEEE

Issue 8 • Aug 1993

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Displaying Results 1 - 8 of 8
  • Impact of cache interferences on usual numerical dense loop nests

    Publication Year: 1993, Page(s):1103 - 1115
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1068 KB)

    In numerical codes, the regular interleaved accesses that occur within do-loop nests induce cache interference phenomena that can severely degrade program performance. The authors identify cache interference phenomena and determine their causes and the conditions under which they occur. Based on these results, a methodology is derived for computing an analytical expression of cache misses for most... View full abstract»

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  • Performance of LAPACK: a portable library of numerical linear algebra routines

    Publication Year: 1993, Page(s):1094 - 1102
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (748 KB)

    The LAPACK project, an effort to produce a numerical linear algebra library that runs efficiently on shared-memory vector and parallel processors, is discussed. A description is given of what was done to achieve performance, and results are given for various computers. Future directions for research on parallel computers are also discussed View full abstract»

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  • On the modeling and analysis of computer networks

    Publication Year: 1993, Page(s):1179 - 1191
    Cited by:  Papers (23)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1044 KB)

    Analytic models for computer network performance evaluation are surveyed. The basics of network analysis are presented, the network design procedure is discussed, and some of the fundamentals of network control are introduced. Some of the issues surrounding the design and behavior of gigabit networks are discussed View full abstract»

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  • A parallelism-based analytic approach to performance evaluation using application programs

    Publication Year: 1993, Page(s):1126 - 1135
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (896 KB)

    A brief overview of performance evaluation and benchmarking is presented. It is shown that traditional performance measurements recorded in these activities are really a direct measurement of the parallelism in software and hardware. A framework called the `Path to Performance' that identifies the agents and activities that change the parallelism as it moves from problem to solution is developed. ... View full abstract»

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  • Approaching a machine-application bound in delivered performance on scientific code

    Publication Year: 1993, Page(s):1166 - 1178
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1192 KB)

    A performance bounding methodology that explains the performance of loop-dominated scientific applications on particular systems is presented. The throughput of key hardware units that are common bottlenecks in concurrent machines is modeled. A workload characterization is proposed, and upper bounds on the performance of specific machine-workload pairs are derived. Comparing delivered performance ... View full abstract»

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  • Locating performance problems in massively parallel executions

    Publication Year: 1993, Page(s):1116 - 1125
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (944 KB)

    Performance problems in asynchronous massively parallel programs are often the result of unforeseen and complex asynchronous interactions between autonomous processing elements. Then performance problems are not inefficiencies in source code, but gaps in the algorithm designer's understanding of a complex physical system. The analyst forms hypotheses about the probable causes or possible improveme... View full abstract»

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  • Workload characterization: a survey

    Publication Year: 1993, Page(s):1136 - 1150
    Cited by:  Papers (62)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1268 KB)

    The performance of a system is determined by its characteristics as well as by the composition of the load being processed. Hence, its quantitative description is a fundamental part of all performance evaluation studies. Several methodologies for the construction of workload models, which are functions of the objective of the study, of the architecture of the system to be analyzed, and of the tech... View full abstract»

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  • Storage performance-metrics and benchmarks

    Publication Year: 1993, Page(s):1151 - 1165
    Cited by:  Papers (11)  |  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1344 KB)

    The metrics and benchmarks used in storage performance evaluation are discussed. The technology trends taking place in storage systems, such as disk and tape evolution, disk arrays, and solid-state disks, are highlighted. The current popular I/O benchmarks are then described, reviewed, and run on three systems: a DECstation 5000/200 running the Sprite Operating System, a SPARCstation 1+ running Su... View full abstract»

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North Carolina State University