Volume 04

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Author: search.filters.author.Elmiligi, Haytham

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    Performance Evaluation of Real-Time Systems
    (University of Bahrain, 2015) Sharma, Mridula; Elmiligi, Haytham; Gebali, Fayez
    Performance evaluation of the Computer Systems has been a challenging task. Measurement of Worst Case Execution Time (WCET) is an important metrics for evaluating the performance of the Real Time Systems (RTSs). In this paper, we explore different methods used for WCET estimation. We mainly focus on three different techniques that are used for WCET estimation i.e. Static, Measurement-based, and Hybrid. The objective here is to provide a comparative analysis of various popularly used WCET measurement tools to guide researchers and engineers to be able use the most suitable techniques for their target applications. We also explore the probabilistic approach through model checking in our work.
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    Networks-on-Chip Architecture Customization using Network Partitioning: A System-Level Performance Evaluation
    (University of Bahrain, 2015) Morgan, Ahmed A.; Elmiligi, Haytham; El-Kharashi, M. Watheq; Gebali, Fayez
    Networks-on-Chip (NoC) design is a trade-off between cost and performance. To realize the best trade-off between these factors, researchers have recently proposed using network partitioning techniques to customize the NoC architecture according to the application requirements. In this paper, the impact of using partitioning on different NoC metrics; namely, power, area, and delay, is analyzed. We present a system-level methodology to evaluate the performance of using partitioning-based architecture customization techniques with NoC. Our methodology is applied onto synthetic traffic as well as a number of real NoC benchmarks with different number of cores. Finally, we mathematically formulate evaluation factors that could be used as measures of the enhancements achieved by using partitioning.