使用虚拟处理器和数学软件的集群计算性能
Cluster computing performances using virtual processors and mathematical software
摘要:
在本文中,我描述了在集群环境中使用虚拟处理器技术并行化一些SPMD计算程序的一些结果。测试的技术是英特尔超线程在真实的处理器上,程序是MATLAB 6.5版本13的浮点计算脚本。通过使用这种技术,我测试了一个集群可以运行的并发进程数量是物理处理器数量的两倍。工作的结论关注的效用和使用的方法的限制。主要的结果是,使用虚拟处理器是一个很好的技术,以改善并行程序,不仅为基于内存的计算,但在大量的磁盘存储操作的情况下。
英文摘要:
In this paper I describe some results on the use of virtual processors technology for parallelize some SPMD computational programs in a cluster environment. The tested technology is the INTEL Hyper Threading on real processors, and the programs are MATLAB 6.5 Release 13 scripts for floating points computation. By the use of this technology, I tested that a cluster can run with benefit a number of concurrent processes double the amount of physical processors. The conclusions of the work concern on the utility and limits of the used approach. The main result is that using virtual processors is a good technique for improving parallel programs not only for memory-based computations, but in the case of massive disk-storage operations too.
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