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美国由高等院校、大型实验室和研究部门共同研究推出ＰＣ群机Ｂｅｏｗｕｌｆ超级计算机．这一创举，说明超级计算机可以用大众化的ＰＣ机集群来完成，这对我国是一个挑战和机遇．这里对Ｂｅｏｗｕｌｆ作了一些研究的基础上，论述了ＰＣ群机的结构组成原理，操作系统平台和并行计算秩序设计、并行通信程序设计等问题．
The United States by the institutions of higher learning, large laboratories and research departments jointly launched the PC group Beowulf supercomputer. This initiative shows that the supercomputer can be popularized by the PC cluster to complete, which is a challenge and opportunity for our country. Based on the research of Beowulf here, this paper discusses the structure and principle of PC group machine, the design of operating system platform and parallel computing order, and the design of parallel communication program.