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A High Performance Simulator System for a Multiprocessor System Based on a Multi-way Cluster

机译:基于多路集群的多处理器系统高性能仿真器系统

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In the ubiquitous era, it is necessary to research on the architectures of multiprocessor system with high performance and low power consumption. A processor simulator developed in high level language is useful because of its easily changeable system architecture which includes application specific instruction sets and functions. However, there is a problem in processing speed that both PCs and workstations provide insufficient performance for the simulation of a multiprocessor system. In this research, a simulator for a multiprocessor system based on the multi-way cluster was developed. In the developed simulator system, one processor model consists of an instruction set simulator (ISS) process and several inter-processor communication processes. In order to get the maximization of the simulation performance, each processor model is assigned to the specific CPU on the multi-way cluster. Also, each inter-processor communication process is implemented using MPI library, which can minimize the CPU resource usage in a communication waiting state. The evaluation results of the processing and communication performance using a distributed application program such as JPEG encoding show that each ISS process in the developed simulator system consumes approximately 100% CPU resources for keeping enough inter-processor communication performance. This result means that the performance increases in proportion to the number of integrated CPUs on the cluster.
机译:在无处不在的时代,有必要研究具有高性能和低功耗的多处理器系统的体系结构。用高级语言开发的处理器模拟器非常有用,因为它易于更改的系统体系结构包括特定于应用程序的指令集和功能。但是,在处理速度上存在一个问题,即PC和工作站都不能为模拟多处理器系统提供足够的性能。在这项研究中,开发了一种用于基于多路集群的多处理器系统的模拟器。在开发的模拟器系统中,一个处理器模型由一个指令集模拟器(ISS)进程和几个处理器间通信进程组成。为了最大程度地提高仿真性能,将每个处理器模型分配给多路集群上的特定CPU。而且,每个处理器间通信过程都是使用MPI库实现的,它可以使通信等待状态下的CPU资源占用最小化。使用诸如JPEG编码的分布式应用程序对处理和通信性能的评估结果表明,在已开发的模拟器系统中,每个ISS进程消耗大约100%的CPU资源以保持足够的处理器间通信性能。该结果意味着性能与群集上集成CPU的数量成正比。

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