NDLI: Debugging Concurrent Software: A Study Using Multithreaded Sequence Diagrams

Content Provider	IEEE Xplore Digital Library
Author	Fleming, S.D. Kraemer, E. Stirewalt, R.E.K. Dillon, L.K.
Copyright Year	2010
Abstract	Concurrent software is notoriously difficult to debug. We investigate the use of UML sequence diagrams to help developers correctly reason about the potential behaviors of buggy concurrent software. We conducted a controlled experiment that compared internal (i.e., "in the head") and external representations for reasoning about multithreaded software. For external representations, participants created multithreaded sequence diagrams. The results of the experiment demonstrate a strong positive effect associated with using external representations. Participants who drew diagrams were significantly more successful at reasoning about the potential behavior of concurrent software. Moreover, participants who produced diagrams with higher levels of detail and with fewer errors tended to achieve greater levels of success. Additionally, this paper contributes an extension to the UML sequence diagram notation for showing behavior of multithreaded software and formal metrics for assessing the complexity of thread interactions.
Starting Page	33
Ending Page	40
File Size	276311
Page Count	8
File Format	PDF
ISBN	9781424484850
ISSN	19436092
DOI	10.1109/VLHCC.2010.14
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-21
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Unified modeling language Instruction sets Complexity theory Context Visualization Measurement UML sequence diagrams concurrent software empirical software engineering
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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