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1.025
Q1(Year 2015)
ISSN : 1026-3098
e-ISSN : 2345-3605
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Publication Information : Volume 22 - Number 3 - Successive Number 3
Type : Research Note
Topics of Paper : Transactions on Computer Science & Engineering
English Title : A Multi-Objective Approach to Model-Driven Performance Bottlenecks Mitigation
English Abstract : Software Performance Engineering (SPE) evaluates the key performance factors such as response time and utilization in the entire life cycle of software development. One of the important issue of software performance is bottlenecks that is not investigated more till now in the process of SPE. Meanwhile, Bottleneck detection and mitigation in software modeling stage is quality-centered and cost effective. Layered bottleneck is a type of bottleneck that occurs in systems with layered services and affects its utilization more than flat bottlenecks. Presented approach in this paper has selected Layered Queening Network (LQN) as an appropriate performance model to present and analyze the layered bottlenecks. The process of SPE from software model to performance model has been automatically implemented. Also, an optimization stage is added to find the best specification of software model in a way that strength of the bottleneck, response time and cost will be minimized.  To assess the proposed solution two recently proposed multi-objective gravitational search algorithms are employed. To evaluate the effectiveness of the applied algorithms, two well-known multi-objective algorithms: NSGA-II and MOPSO are also applied for a case study and a comprehensive comparison is presented.
English Keywords : Bottleneck detection,multi-objectiveoptimization, Software Performance engineering, UML, Gravitational Search Algorithm
Refrences :
Number Of Pages :
From 1018 to 1030


Authors :
The AuthorAuthor SequenceOrganizationOrganization ( english )AffiliationEmailEducation
Maryam Amoozegar
(Author)
1Department of Information Technology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology,09132971922,03433776611, P.O. Box 76315-117, Kerman, Iran  amoozegar@kgut.ac.ir 
Prof. Hossien Nezamabadi-pour 2Department of Electrical Engineering, Shahid Bahonar University of Kerman, P.O. Box 76169-133, Kerman, Iran Professornezam@kgut.ac.ir 
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