Performance antipatterns are well-known bad design practices that lead to software products suffering from poor performance. A number of performance antipatterns has been defined and classified and refactoring actions have also been suggested to remove them. In the last few years, we have dedicated some effort to the detection and refactoring of performance antipatterns in software models. A specific characteristic of performance antipatterns is that they contain numerical parameters that may represent thresholds referring to either performance indices (e.g., a device utilization) or design features (e.g., number of interface operations of a software component). In this paper, we analyze the influence of such thresholds on the capability of detecting and refactoring performance antipatterns. In particular, (i) we analyze how a set of detected antipatterns may change while varying the threshold values and (ii) we discuss the influence of thresholds on the complexity of refactoring actions. With the help of a leading example, we quantify the influence using precision and recall metrics.

Experimenting the Influence of Numerical Thresholds on Model-based Detection and Refactoring of Performance Antipatterns

Trubiani C
2013

Abstract

Performance antipatterns are well-known bad design practices that lead to software products suffering from poor performance. A number of performance antipatterns has been defined and classified and refactoring actions have also been suggested to remove them. In the last few years, we have dedicated some effort to the detection and refactoring of performance antipatterns in software models. A specific characteristic of performance antipatterns is that they contain numerical parameters that may represent thresholds referring to either performance indices (e.g., a device utilization) or design features (e.g., number of interface operations of a software component). In this paper, we analyze the influence of such thresholds on the capability of detecting and refactoring performance antipatterns. In particular, (i) we analyze how a set of detected antipatterns may change while varying the threshold values and (ii) we discuss the influence of thresholds on the complexity of refactoring actions. With the help of a leading example, we quantify the influence using precision and recall metrics.
Software Performance Antipatterns, Detection, Refactoring, Numerical thresholds
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12571/7449
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