Abstract
Static cache partitioning can reduce inter-application cache interference and improve the composite performance of a cache-polluted application and a cache-sensitive application when they run on cores that share the last level cache in the same multi-core processor. In a virtualized system, since different applications might run on different virtual machines (VMs) in different time, it is inapplicable to partition the cache statically in advance. This paper proposes a dynamic cache partitioning scheme that makes use of hot page detection and page migration to improve the composite performance of co-hosted virtual machines dynamically according to prior knowledge of cache-sensitive applications. Experimental results show that the overhead of our page migration scheme is low, while in most cases, the composite performance is an improvement over free composition.
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Xiaolin WANG received his BS and PhD degrees in Computer Science from Peking University in 1996 and 2001, respectively. Subsequently, he became a postdoctoral researcher in Peking University where he is now an associate professor. His research interests include system virtualization and cloud computing.
Xiang WEN received his BS degree in Computer Science fromPeking University in 2009. He is now an MS candidate at Peking University. His research interests focus on system virtualization and cloud computing.
Yecheng LI received his BS in Computing Science at Peking University in 2012. He is going to be a MS candidate at Peking University in Summer 2012. His research interests focus on system virtualization and cloud computing.
Zhenlin WANG is an associate professor in Michigan Technological University. He received his BS from Peking University in 1992 and his PhD from the University of Massachusetts, Amherst in 2004. His research interests focus on memory system architecture, compiler optimizations, high performance computing, and virtualization.
Yingwei LUO received his BS from Zhejiang University in 1993, and his MS and PhD in Computer Science from Peking University in 1996 and 1999, respectively. He is now a professor in Peking University. His research interests include system virtualization technologies and spatial information system.
Xiaoming LI received his BS degree from Harbin Institute of Technology in 1982 and his PhD from Stevens Institute of Technology in 1986. He is now the director of the Institute of Network Computing and Information Systems at the School of EECS, Peking University. His research interests focus on search engine technologies and peer-to-peer computing.
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Wang, X., Wen, X., Li, Y. et al. Dynamic cache partitioning based on hot page migration. Front. Comput. Sci. 6, 363–372 (2012). https://doi.org/10.1007/s11704-012-2099-6
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DOI: https://doi.org/10.1007/s11704-012-2099-6