Volume 10 Number 5 (May 2015)
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JSW 2015 Vol.10(5): 566-576 ISSN: 1796-217X
doi: 10.17706/jsw.10.5.566-576

Debugging in Parallel or Sequential: An Empirical Study

Yulei Pang1*, Xiaozhen Xue2, Akbar Siami Namin3

1Department of Mathematics, Southern Connecticut State University, New Haven, USA.
2Department of Computer Science, Southern Connecticut State University, New Haven, USA.
3Department of Computer Science, Texas Tech University, Lubbock, USA.

Abstract—Faults need to be identified, localized, and removed from programs. Empirical studies show that coverage-based faults localizations effectively target bugs, even in the presence of multiple faults. Debugging is a time-consuming activity and thus it is beneficial to accelerate the process by employing appropriate techniques. The need for speeding up the debugging process is even more immense when the program under test contains multiple faults. A program with multiple faults can be debugged in parallel where each sub-process specifically targets localizing one of the bugs. The immediate research question that arises here is that how significant is the improvement and performance achieved when debugging is performed in parallel compared to the sequential fault localization strategy. This paper investigates and compares the performance of parallel and sequential debugging in effectively localizing faults where the performance is measured according to fault localization cost required by each strategy. Based on the experimental study of several open source Java programs conducted in this paper, we observe that debugging when is performed in parallel outperforms sequential strategy in terms of the total cost.

Index Terms—Coverage-based faults localization, debugging, empirical study.


Cite: Yulei Pang, Xiaozhen Xue, Akbar Siami Namin, "Debugging in Parallel or Sequential: An Empirical Study," Journal of Software vol. 10, no. 5, pp. 566-576, 2015.

General Information

ISSN: 1796-217X (Online)
Frequency:  Quarterly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, CNKIGoogle Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsweditorialoffice@gmail.com
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