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VIA(Virtual Interface Architecture)上的软件DSM系统实现和性能

The Implementation and Performance of Software DSMs over Virtual Interface Architecture
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摘要 在由高性能PC搭建的Linux机群系统上 ,传统的网络接口体系结构引入了巨大的软件处理开销 ,无法满足虚拟共享存储并行应用对通信带宽、延迟和进程间同步的需求 .用户级网络接口标准———虚拟接口体系结构(VirtualInterfaceArchitecture ,VIA)与传统的网络接口体系结构相比 ,在软件协议开销、通信关键路径上操作系统的干预程度、通信和计算的重叠程度以及实现零拷贝等方面 ,具有明显的优势 .通过在传统网络通信接口和VIA通信接口上虚拟共享存储系统的性能对比 ,采用VIA网络接口体系结构可有效地提高虚拟共享存储系统的性能和可扩展性 . Cluster of high performance PC is a popular computing platform today. Unfortunately, traditional network interface architecture introduces so much software overhead that such clusters are unsuitable for shared virtual memory parallel applications which need short latency, high bandwidth and quick synchronization. Virtual Interface Architecture (VIA) specification gives a new approach to solve this problem for its low software overhead, by passing OS intervention,high overlapping between communication and computation and zero copy protocol. By evaluation the performance of JIAJIA software DSM system over VIA and traditional network interface, it is shown that VIA can improve the performance and scalability of software DSMs. The specification also give us new ideas to design hardware support for SVM systems.
作者 史岗 尹宏达 胡明昌 胡伟武
机构地区 中国科学院计算技术研究所
出处 《计算机学报》 EI CSCD 北大核心 2003年第12期1621-1628,共8页 Chinese Journal of Computers
基金 国家自然科学基金 (60 0 730 1 8) 中国科学院全国首届优秀博士学位论文作者专项基金资助
关键词 虚拟接口体系结构 VIA 软件协议 软件DSM系统 通信协议 software DSMs virtual interface architecture cluster of PCs communication overhead
分类号 TP31 [自动化与计算机技术—计算机软件与理论]
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参考文献11

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计算机学报
2003年 第12期

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