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Exploring Asynchronous MMC Based Parallel SA Schemes for Multiobjective Cell-Placement on a Cluster of Workstations

Sait, Sadiq M. and Zaidi, Ali Mustafa and Ali, Mustafa I. Exploring Asynchronous MMC Based Parallel SA Schemes for Multiobjective Cell-Placement on a Cluster of Workstations. Cluster Computing, The Journal of Networks, Software Tools and Applications. ISSN ISSN: 1386-7857 (print version), ISSN: 1573-7543 (electronic version) (Submitted)

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Abstract

Simulated Annealing (SA) is a popular iterative heuristic used to solve a wide variety of combinatorial optimization problems. However, depending on the size of the problem, it may have large run-time requirements. One practical approach to speed up its execution is to parallelize it. In this paper, several parallel SA schemes based on the Asynchronous Multiple-Markov Chain model (AMMC) (described in~\cite{Lee96} and applied to standard-cell placement in~\cite{Chandy97}) are explored. We investigate the speedup and solution quality characteristics of each scheme when implemented on an inexpensive cluster of workstations for solving a multi-objective cell placement problem. This problem requires the optimization of conflicting objectives (interconnect wire-length, power dissipation, and timing performance), and Fuzzy logic is used to integrate the costs of these objectives \cite{junaid_cec2002,book1}. Experiments are performed on ISCAS-85/89 benchmark circuits. Our goal is to develop several AMMC based parallel SA schemes and explore their suitability for different objectives: achieving near linear speedups while still meeting solution quality targets, and obtaining higher quality solutions in the least possible duration.



Item Type:Article
Subjects:Computer
Divisions:College Of Computer Sciences and Engineering > Computer Engineering Dept
Creators:Sait, Sadiq M. and Zaidi, Ali Mustafa and Ali, Mustafa I.
Email:sadiq@kfupm.edu.sa, alizaidi@ccse.kfupm.edu.sa, mustafa@kfupm.edu.sa
ID Code:230
Deposited By:SYED ALI MUSTAFA ZAIDI
Deposited On:08 Mar 2008 12:17
Last Modified:12 Apr 2011 13:08

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