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MODEL-DRIVEN PERFORMANCE PREDICTION OF HLA-BASED DISTRIBUTED SIMULATION SYSTEMS

机译:基于HLA的分布式仿真系统的模型驱动性能预测

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摘要

Performance models offer a convenient tool to assess design alternatives and predict the execution time of distributed simulation (DS) systems at design time, before system implementation. Currently, performance models are to be manually developed and the related extra effort often becomes the limiting factor for their cost- and time-effective use. In this paper, we aim to reduce this extra effort with the introduction of a model-driven method for the automated building of performance models whose evaluation provides a prediction about of the execution time of a distributed simulation system. As such, the method contributes to bring software performance engineering techniques into the distributed simulation system lifecycle. In particular, we show how the SysML-based specification of the system to be simulated and the design documents of the DS system can be used to derive the topology and the parameters of a performance model specified according to the Extended Queueing Network formalism.
机译:性能模型提供了一种方便的工具,可以在设计实现之前评估设计备选方案,并在设计时预测分布式仿真(DS)系统的执行时间。当前,性能模型是手动开发的,相关的额外工作通常成为限制其成本和时间效益的因素。在本文中,我们旨在通过引入模型驱动的方法来自动构建性能模型,以减少这种额外的工作,该模型的评估可提供有关分布式仿真系统执行时间的预测。这样,该方法有助于将软件性能工程技术引入分布式仿真系统的生命周期。特别是,我们展示了如何使用基于SysML的系统仿真规范和DS系统的设计文档来导出根据扩展排队网络形式主义指定的拓扑和性能模型的参数。

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