摘要
可扩展性是设计并行计算系统和并行算法所要考虑的一个重要性能指标。分析了等效率、等速度、平均延迟和等并行计算开销比几种并行系统可扩展性模型的特征,提出了一种新的更有效的可扩展性度量标准。通过实验结果分析,该模型能很好地评测并行计算系统的可扩展性。
Scalability has become an important concept in parallel computer system and parallel algorithms.The characteristics of four existing scalability metrics are analysed for parallel computing system,i.e.,the iso-efficiency metrics,iso-speed metrics,average latency metrics and iso-ratio-of-parallel calculation-overhead metrics.A new scalability metric which reflects the scalability of parallel computer system more directly and precisely is proposed.This paper presents some experiments.The results show that this metric can estimate preferably the scalability of parallel computing systems.
出处
《计算机工程与应用》
CSCD
北大核心
2011年第21期47-49,共3页
Computer Engineering and Applications
基金
山东省高等学校重点实验研究项目(No.2005-400)
曲阜师范大学校科研项目(No.XJ0734)
关键词
体系结构
并行计算
性能
可扩展性
architecture
parallel computing
performance
scalability
