分布式并行服务器内部通信的近似最佳线程数  

Approximate optimization thread quantity of inner communication in distributed parallel server

作　　者：左朝树[1] 刘心松[1] 陈小辉[2] 刘丹[1] 

机构地区：[1]电子科技大学计算机科学与工程学院,四川成都610054 [2]中国人民银行海口中心支行科技处,海南海口570105

出　　处：《哈尔滨工程大学学报》2005年第5期614-618,共5页Journal of Harbin Engineering University

基　　金：四川省科技攻关基金资助项目(02GG006_018)

摘　　要：在分布式并行服务器中,节点间的高速信息交换是改善系统性能的关键.为了改善系统整体性能,在此基于操作系统的多线程时间片轮转调度分析了多收发线程传输数据时所需的近似最佳线程数,并给出了一种计算近似最佳线程数的启发式算法.通过在分布式并行数据库服务器DPSQL中测试表明:利用启发式算法获得的近似最佳线程数能提高系统的整体性能.In a distributed parallel server, the high-speed exchange of messages is the key for advancing performance between nodes. In order to advance the integer performance, the approximate optimization thread quantity was researched based on a round-robin scheduler in an operation system, which is required by the exchange of messages using many threads. At the same time, the heuristic algorithm of approximate optimization thread quantity was designed. Testing in a distributed parallel structured query language database server （DPSQL） showes that the approximate optimization thread quantity getting through the heuristic algorithm has greatly advanced system integer performance.

关 键 词：分布式并行服务器 内部通信 近似最佳线程数 性能优化 

分 类 号：TP311.13[自动化与计算机技术—计算机软件与理论]