Abstract. The design and analysis of complex systems need to determine suitable configurations for meeting requirement constraints. The Monotonic Indices Space (MIS) method is a useful approach for monotonic requirement space exploration. However, the method is highly time and memory-Consuming. Aiming to the problem of low efficiency of sequential MIS method, this paper introduces a coarse-grained parallel execution mechanism to the MIS method for accelerating the process of requirement space exploration. The task pool model is used to receive and deploy hyperboxes for work balancing. To validate our approach, the speedup is estimated by a mathematical analysis and then an experiment is conducted in a PC cluster environment. The results show that high speedup and efficiency is achieved through our approach.
Visual Development Technology has been more and more attractive in the field of Modeling and Simulation with its intuitive features. As the scale of Parallel Discrete Event Simulation (PDES) enlarges, Researchers are becoming focused on how to integrate existing simulation entity models into PDES Application efficiently, by adopting the intuitive visualization technology. In this paper, the research status of the PDES visualization integration technology is discussed; and the authors have found the limitations of PDES visual integration technology, like the complex and not intuitive process of integration, the difficulty in reusing "basic integration module", and the difficulty in adjusting the application structure. Then a Visual integration approach for PDES Application based on Object-Interaction Graph was proposed for the "object interaction" features of PDES. This approach provides the developers with a more natural viewing angle with its more understandable graphical way, so that we can develop PDES Application more easily. The more flexible structure of PDES makes it possible to quickly adapt to the rapidly changing requirements of the simulation.
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