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大規模並列システムの設計開発ならびに性能解析に向けた相互結合網シミュレータPSI-NSIM について述べる．PSI-NSIM は，評価対象とする相互結合網の仕様を記述した仕様ファイルとアプリケーション実行から生成した通信プロファイルを基にシミュレーションを行う．所望する相互結合網の評価に必要な各種情報を出力するのみならず，システム全体の性能を高速かつ精度良く予測するとともに，アプリケーションの性能...解析や可視化のための各種情報も出力する．本稿では、シミュレータの実装、および既存のクラスタシステムの性能評価について報告する．
This paper presents an interconnection network simulator, PSI-NSIM, toward designing and performance analysis of large-scale parallel system. PSI-NSIM simulates desired interconnection network base on a configuration file which specifies specification of target network and a communication profile generated from an execution of application. Furthermore, this simulator provides not only various information for performance evaluation but estimates entire performance of system with fast and good accuracy. Then information for performance analysis and visualizing of application execution is also provided. In this paper, implementation of PSI-NSIM and results of performance evaluation of existing cluster system are reported.show more
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