5篇
您的检索式：作者名="Wang Haogang"
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| 1 | DMM:A dynamic memory mapping model for virtual machines显示文摘Memory virtualization is an important part in the design of virtual machine monitors(VMM).In this paper,we proposed dynamic memory mapping(DMM) model,a mechanism that allows the VMM to change the mapping between a virtual machine's physical memory and the underlying hardware resource while the virtual machine is running.By utilizing DMM,the VMM can implement many novel memory management policies,such as Demand Paging,Swapping,Ballooning,Memory Sharing and Copy-On-Write,while preserving compatibility with various architectures.The modular and hierarchical property of the DMM model efficiently incorporates the high-level policies and the low-level implementations,leading to a feature-adjustable VMM design.We presented the principle of the DMM model,and explained the procedures of various memory management policies under this model.Also,we implement the DMM model in KVM,an open source VMM.Our evaluation shows that the DMM model is efficient enough to provide the benefits of dynamic memory resource management with little performance impact. | CHEN HaoGang WANG XiaoLin WANG ZhenLin ZHANG BinBin LUO YingWei LI XiaoMing | 2010 | Science China(Information Sciences)2010，53，6： | 11 |
| 2 | Dynamic memory paravirtualization transparent to guest OS显示文摘This paper introduces dynamic paravirtualization, which imitates paravirtualization and aims at reducing VM exits of full virtualization with hardware support. In dynamic paravirtualization, VMM (virtual machine monitor) dynamically monitors and replaces the hot instructions, which cause most VM exits. It is transparent to the guest OS such that the legacy OSes can benefit from this optimization. Our study focuses on reducing the overhead of memory virtualization-dynamic memory paravirtualization (DMP). We implant a new memory management mechanism in VMM such that all user-mode page faults can be handled by the guest OS directly without VM exits. We implement a prototype of dynamic memory paravirtulization based on a version of KVM using Intel VT. Our experimental results show that our technique essentially eliminates the overhead of VM exits caused by page faults. Dynamic memory paravirtualization can achieve the effectiveness of paravirtualization without changing the source code of guest OS. | WANG XiaoLin SUN YiFeng LUO YingWei WANG ZhenLin LI Yu ZHANG BinBin CHEN HaoGang LI XiaoMing | 2010 | Science China(Information Sciences)2010，53，1： | 4 |
| 3 | Solution of scattering from 3 - D coating conductor with arbitrary shape with FMM and IBC 显示文摘 | Nie Zaiping Wang Jun Wang Haogang Yao Haiying and Yang Li | 2000 | Chinese Journal of Electronics2000，9，3： | 1 |
| 4 | A combined field so- lution with single operator {or electromagnetic scatter- ing from conductive targets with open cavities 显示文摘 | NIE Zaiping WANG Haogang | 2008 | IEEE Transactions on Antennas and Propagation2008，56，6： | 1 |
| 5 | A Combined Field Solution with Single Operator for Electromagnetic Scattering from Conductive Targets with Open Cavities显示文摘 | Nie Zaiping Wang Haogang | 2008 | IEEE Transactions on Antennas and Propagation2008，56，6： | 1 |
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