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CLC number: TP31

On-line Access: 2014-01-29

Received: 2013-03-18

Revision Accepted: 2013-07-22

Crosschecked: 2013-11-18

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Journal of Zhejiang University SCIENCE C 2014 Vol.15 No.2 P.126-138


An analytical model for source code distributability verification

Author(s):  Ayaz Isazadeh, Jaber Karimpour, Islam Elgedawy, Habib Izadkhah

Affiliation(s):  Department of Computer Science, Faculty of Mathematical Sciences, University of Tabriz, Tabriz, Iran; more

Corresponding email(s):   isazadeh@tabrizu.ac.ir, karimpour@tabrizu.ac.ir, elgedawy@metu.edu.tr, izadkhah@tabrizu.ac.ir

Key Words:  Code distributability, Synchronous calls, Asynchronous calls, Distributed software systems, Source code

Ayaz Isazadeh, Jaber Karimpour, Islam Elgedawy, Habib Izadkhah. An analytical model for source code distributability verification[J]. Journal of Zhejiang University Science C, 2014, 15(2): 126-138.

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journal="Journal of Zhejiang University Science C",
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%A Ayaz Isazadeh
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%A Islam Elgedawy
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.C1300066

T1 - An analytical model for source code distributability verification
A1 - Ayaz Isazadeh
A1 - Jaber Karimpour
A1 - Islam Elgedawy
A1 - Habib Izadkhah
J0 - Journal of Zhejiang University Science C
VL - 15
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EP - 138
%@ 1869-1951
Y1 - 2014
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.C1300066

One way to speed up the execution of sequential programs is to divide them into concurrent segments and execute such segments in a parallel manner over a distributed computing environment. We argue that the execution speedup primarily depends on the concurrency degree between the identified segments as well as communication overhead between the segments. To guarantee the best speedup, we have to obtain the maximum possible concurrency degree between the identified segments, taking communication overhead into consideration. Existing code distributor and multi-threading approaches do not fulfill such requirements; hence, they cannot provide expected distributability gains in advance. To overcome such limitations, we propose a novel approach for verifying the distributability of sequential object-oriented programs. The proposed approach enables users to see the maximum speedup gains before the actual distributability implementations, as it computes an objective function which is used to measure different distribution values from the same program, taking into consideration both remote and sequential calls. Experimental results showed that the proposed approach successfully determines the distributability of different real-life software applications compared with their real-life sequential and distributed implementations.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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