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MT-ClustalW: Multithreading multiple sequence alignment
Chaichoompu, Kridsadakorn; Kittitornkun, S.; Tongsima, S.
2006In the 20th International Parallel and Distributed Processing Symposium, 2006 (IPDPS 2006)
Peer reviewed
 

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Keywords :
DNA sequences; Natural sciences computing; Program processors; Response time (computer systems); Guide tree generation; Multithreaded implementation; Nucleotide sequences; Symmetric Multiprocessor (SMP) machines; Parallel processing systems
Abstract :
[en] ClustalW is the most widely used tool for aligning multiple protein or nucleotide sequences. The alignment is achieved via three stages: pairwise alignment, guide tree generation and progressive alignment. This paper analyzes and enhances a multithreaded implementation of ClustalW called ClustalW-SMP for higher throughput. Our goal is to maximize the degree of parallelism on multithreading ClustalW called MultiThreading-ClustalW (MT-ClustalW). As a result, bioinformatics laboratories are able to use this MT-ClustalW with much less energy consumption on multicore and SMP (Symmetric Multiprocessor) machines than that of PC clusters. The experiment results show that the MT-ClustalW framework can achieve a considerable speedup over the sequential ClustalW and original multithreaded ClustalW-SMP implementations. © 2006 IEEE.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Chaichoompu, Kridsadakorn ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Bioinformatique
Kittitornkun, S.;  Dept. of Computer Engineering, Faculty of Engineering, King Mongkut's Institute of Technology, Ladkrabang, Bangkok 10520, Thailand
Tongsima, S.;  National Center for Genetic Engineering and Biotechnology, Klong 1, Klong Luang, Pathumtani 12120, Thailand
Language :
English
Title :
MT-ClustalW: Multithreading multiple sequence alignment
Publication date :
April 2006
Event name :
the 20th International Parallel and Distributed Processing Symposium, 2006 (IPDPS 2006)
Event place :
Rhodes Island, Greece
Event date :
25-04-2006 to 29-04-2006
Audience :
International
Main work title :
the 20th International Parallel and Distributed Processing Symposium, 2006 (IPDPS 2006)
ISBN/EAN :
1-4244-0054-6
Peer reviewed :
Peer reviewed
Commentary :
1424400546; 9781424400546
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