Abstract
The trustworthiness of software is crucial to some safety critical areas. Performance is an important attribute of software trustworthiness. Software component technology is the mainstream technology of software development. How to achieve the performance of component systems efficiently and accurately is a challenging issue for component-based software development. In this paper, the performance quantification method of the component is proposed. First, performance specification is formally defined. Second, a refinement relation is introduced and the performance quantification method of the component system is presented. Finally, a case study is given to illustrate the effectiveness of the method.
Highlights
The trustworthiness of software is a hot topic of research
The graphical models are similar to Reliability Block Diagrams [29], but the computation models are different: the reliability of component system is calculated by series or parallel relation and the reliability of component; the performance of component system instead is calculated by the metric elements of component system, and the metric elements of component system are calculated by relation and the metric elements of component
Software component technology plays an important role in constructing software systems
Summary
The trustworthiness of software is a hot topic of research. Software performance is one of the attributes that affect software trustworthiness. Automated assistance for software performance improvement has been described before based on measurements, performance models or both. This paper puts forward a performance quantification method of a component system. Component-Based Software Development (CBSD) has been an important area of research for almost three decades [15,16]. CBSD avoids the repeated emergence of errors and improves the trustworthiness of software [20]. The performance quantification method of the component is proposed. A refinement relation is introduced, and the performance quantification method of the component system is presented.
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