January 5, 2020 Conference paper Closed Access

Yiqun Chen; Stefan Winter; Neeraj Suri

DCAT Export

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        <foaf:name>Yiqun Chen</foaf:name>
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            <foaf:name>DEEDS Group, Dept. of Computer Science Technische Universit¨at Darmstadt</foaf:name>
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        <foaf:name>Stefan Winter</foaf:name>
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            <foaf:name>DEEDS Group, Dept. of Computer Science Technische Universit¨at Darmstadt</foaf:name>
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        <foaf:name>Neeraj Suri</foaf:name>
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    <dct:title>Inferring Performance Bug Patterns from Developer Commits</dct:title>
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    <dct:description>&lt;p&gt;Performance bugs, i.e., program source code that&amp;nbsp;is unnecessarily inefficient, have received significant attention&amp;nbsp;by the research community in recent years. A number of&amp;nbsp;empirical studies have investigated how these bugs differ from&amp;nbsp;&amp;ldquo;ordinary&amp;rdquo; bugs that cause functional deviations and several&amp;nbsp;approaches to aid their detection, localization, and removal have&amp;nbsp;been proposed. Many of these approaches focus on certain subclasses&amp;nbsp;of performance bugs, e.g., those resulting from redundant&amp;nbsp;computations or unnecessary synchronization, and the evaluation&amp;nbsp;of their effectiveness is usually limited to a small number of&amp;nbsp;known instances of these bugs. To provide researchers working&amp;nbsp;on performance bug detection and localization techniques with&amp;nbsp;a larger corpus of performance bugs to evaluate against, we&amp;nbsp;conduct a study of more than 700 performance bug fixing&amp;nbsp;commits across 13 popular open source projects written in C&amp;nbsp;and C++ and investigate the relative frequency of bug types as&amp;nbsp;well as their complexity. Our results show that many of these&amp;nbsp;fixes follow a small set of bug patterns, that they are contributed&amp;nbsp;by experienced developers, and that the number of lines needed&amp;nbsp;to fix performance bugs is highly project dependent.&lt;/p&gt;</dct:description>
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    <dct:title>Cyber security cOmpeteNCe fOr Research anD InnovAtion</dct:title>
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