Technology of Information Security
|
App. Res. of Comp. Printed Article
Vol. 36, 2019 No. 9
2798-2802,2808

Interrupt frequency optimization method of encryption device based on single root I/O virtualization

Li Shuai
Sun Lei
Guo Songhui
Information Engineering University, Zhengzhou 450001, China
DOI: 10.19734/j.issn.1001-3695.2018.03.0220

Abstract

Aiming at the problem that the interrupt frequency in the virtual environment is too large to affect the cryptographic computing performance of the encryption device, this paper proposed a performance optimization method to reduce the interrupt frequency. Firstly, the method established the interrupt frequency control model and the rationality and correctness of the model was verified by experiments. Then, based on single root I/O virtualization, adding a speed monitoring module at the virtual function driving layer to monitor the change of the encryption speed in real time, and when the module detected that the encryption speed reduced, it automatically adjusted the upper limit of the virtual function interruption frequency to reduce the interruption frequency. The process reduced excessive I/O transfer consumption. The experimental results show that the adjustment of the upper limit of the interrupt frequency significantly improves the encryption speed of the I/O intensive encryption process.

Foundation Support

国家重点研发计划项目

Publish Information

DOI: 10.19734/j.issn.1001-3695.2018.03.0220
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 9
Section: Technology of Information Security
Pages: 2798-2802,2808
Serial Number: 1001-3695(2019)09-052-2798-05

Publish History

[2019-09-05] Printed Article

Cite This Article

李帅, 孙磊, 郭松辉. 基于单根I/O虚拟化的密码设备中断频率优化方法 [J]. 计算机应用研究, 2019, 36 (9): 2798-2802,2808. (Li Shuai, Sun Lei, Guo Songhui. Interrupt frequency optimization method of encryption device based on single root I/O virtualization [J]. Application Research of Computers, 2019, 36 (9): 2798-2802,2808. )

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  • Application Research of Computers Monthly Journal
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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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