基于随机Petri网模型的多DSP系统性能分析  

Multi-DSP system performance analysis based on random Petri net model

作　　者：丁宁[1] 

机构地区：[1]南京信息职业技术学院电子信息工程系,210013

出　　处：《电子测试》2010年第4期48-53,90,共7页Electronic Test

摘　　要：多处理器并行处理系统在许多领域都有广泛的应用,然而由于存在系统体系结构、通信带宽和软件并行性等诸多因素的影响,往往会很大程度上制约多处理器系统性能的发挥,因此有效的评估多处理器并行处理系统的性能是系统设计阶段必不可少的任务之一。本文以ADSP14060为核心的多DSP并行处理系统的结构特征,分析了"主从"并行结构和"流水线"结构的特点;在系统结构分析的基础上,分别建立了基于广义随机Petri网的多DSP并行处理系统模型,并应用该系统模型对"主从"结构和"流水线"结构的性能进行了全面的评估,找到影响系统性能的各种因素和提高系统性能的办法。Multi-processor parallel processing systems have a wide range of applications in many areas,but because of system architecture,communication bandwidth,and software parallelism,and many other factors,often to a large extent constrained multi-processor system performance to play,so Effective assessment of multi-processor parallel processing performance of the system is essential for the system design phase one of the tasks.In this paper,the structure characters of multi-DSP parallel processing system with ADSP1406 as the core were showed,the characters of ＂master/slave＂ parallel structure and ＂flow-line＂ structure were analyzed;base on systematic structure analysis,multi-DSP parallel processing system modes based on generalized random Petri net were established respectively,and the performance of ＂master/slave＂ structure and ＂flow-line＂ structure were evaluated roundly by utilizing this system mode,and the various factors affecting system performance and the methods enhancing system performance were found.

关 键 词：PETRI网 并行处理 DSP系统 性能分析 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置] TP301.1[自动化与计算机技术—控制科学与工程]