NDLI: Incremental dynamic impact analysis for evolving software systems

Content Provider	IEEE Xplore Digital Library
Author	Law, J. Rothermel, G.
Copyright Year	2003
Description	Author affiliation: Comput. Sci. Dept., Oregon State Univ., Corvallis, OR, USA (Law, J.; Rothermel, G.)
Abstract	Impact analysis - determining the potential effects of changes on a software system - plays an important role in helping engineers revalidate modified software. In previous work we presented a new impact analysis technique. PathImpact, for performing dynamic impact analysis at the level of procedures, and we showed empirically that the technique can be cost-effective in comparison to prominent prior techniques. A drawback of that approach as presented, however, is that when attempting to apply the technique to a new version of a system as that system and its test suite evolves, the process of recomputing the data required by the technique for that version can be excessively expensive. In this paper, therefore, we present algorithms that allow the data needed by PathImpact to be collected incrementally. We present the results of a controlled experiment investigating the costs and benefits of this incremental approach relative to the approach of completely recomputing prerequisite data.
Sponsorship	IEEE Comput. Soc. IEEE Reliability Soc
Starting Page	430
Ending Page	441
File Size	441251
Page Count	12
File Format	PDF
ISBN	0769520073
ISSN	10719458
DOI	10.1109/ISSRE.2003.1251064
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-11-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Software systems System testing Information analysis Computer science Performance analysis Software testing Risk analysis Software measurement Costs Time factors
Content Type	Text
Resource Type	Article

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