MPI程序的性能优化方法研究  

Performance Optimization of MPI Parallel Program

作　　者：刘鹏[1] 阚亚斌[1] 张世燎[1] 

机构地区：[1]大连舰艇学院,大连116018

出　　处：《舰船电子工程》2013年第7期87-88,134,共3页Ship Electronic Engineering

摘　　要：在分布式存储系统上,MPI已被证实是理想的并行程序设计模型。MPI是基于消息传递的并行编程模型,进程间的通信是通过调用库函数来实现的,因此MPI并行程序中,通信部分代码的效率对该并行程序的性能有直接的影响。论文两次改进了DNS的MPI并行程序实现,并通过实验给出一个优化MPI并行程序的一般思路与方法。MPI（Message-Passing Interface）[1]is an ideal parallel programming model,which has been confirmed on distributed storage system.Because MPI is based on message passing and adopts the method of message passing to realize the communication between every node,the performance of MPI parallel program is deeply depended on the efficiency of communication.This paper puts forward a common method of optimizing MPI parallel program via the experiment on improving on the MPI parallel program of DNS twice and advancing the performance of it.

关 键 词：MPI 通信函数 性能优化 DNS 

分 类 号：TP301[自动化与计算机技术—计算机系统结构]