PC集群及其并行程序性能的实用检测方法

随着微处理器、网络技术和并行编程环境的发展,给集群系统尤其是对适合我国国情的PC集群的开发和应用带来了机遇。廉价的PC集群是以其高难度的并行编程要求为代价的,通常用户应用程序的运行速度往往都很不理想,所以如何在用户级实现对应用程序有效速度的检测,进而提供改进程序设计的信息以提高效率就显得至关重要。该文着重就几种在MPI编程环境下如何利用嵌入的MPE技术检测并行程序性能的实现方法进行了分析研究。

PC Cluster and its Utility Test Method of Parallel Program＇s Performance

The improvement of microprocessors,network technology and parallel programming environment has made the opportunity of the development and application of cluster system especially in our country.As the implementation of the inexpensive cluster system is at the price of highly difficult parallel programming demand,and the running speed of users' applications can not often come to the demand,it is vital how to implement the effective test of programs' perfor-mance in user's level,from which the information obtained can be used to improve the programming so as to enhance the system's effective speed.This paper makes researches on several methods that can be used to test the performance of parallel programs ,which is based on MPI environment and uses the technology of embedded MPE.