Optimizing the Memory Management of a Virtual Machine Monitor on a NUMA System

Virtualization significantly degrades computational performance on nonuniform memory access (NUMA) systems. The authors propose an optimization scheme based on a memory-access model that covers the entire access path and accommodates the chain-reacting behavior of memory subsystems. A quantitative e...

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Bibliographic Details
Published in:Computer (Long Beach, Calif.) Calif.), 2016-06, Vol.49 (6), p.66-74
Main Authors: Luo, Qiuming, Xiao, Feng, Ming, Zhong, Li, Hao, Chen, Jianyong, Zhang, Jianhua
Format: Article
Language:English
Subjects:
Chains
Computer memory
Computer security
Computer simulation
Instruction sets
Memory management
memory-access models
Microarchitecture
Monitors
Nonuniform
NUMA
NUMA systems
Optimization
Performance evaluation
Quantitative evaluation
thread-placement optimization
Virtual machine monitors
virtual machines
Virtualization
Xen
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Summary:Virtualization significantly degrades computational performance on nonuniform memory access (NUMA) systems. The authors propose an optimization scheme based on a memory-access model that covers the entire access path and accommodates the chain-reacting behavior of memory subsystems. A quantitative evaluation shows significant performance improvement with negligible overhead.
ISSN:0018-9162
1558-0814
DOI:10.1109/MC.2016.169