| 基于频率时效感知的混合内存写冷热页面调度 |
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| 引用本文： | 刘 兵,汪令辉,张 涛,陈友良.基于频率时效感知的混合内存写冷热页面调度[J].湖南工业大学学报,2021,35(3):74-79. |
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| 作者姓名： | 刘 兵 汪令辉 张 涛 陈友良 |
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| 作者单位： | 中国科技大学 计算机科学与技术学院
铜陵职业技术学院 信息工程系,铜陵有色金属集团公司,铜陵职业技术学院 信息工程系,中国安全生产科学研究院 |
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| 基金项目： | 安徽省高校自然科学研究基金资助重点项目（KJ2020A0971）；安徽省高校质量工程基金资助项目（2018mooc222，
2018mooc230） |
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| 摘 要： | 为了提高相变存储器和DRAM所组成混合内存中PCM的耐久性,减少页面在PCM上的写操作,通过一个新公式结合写访问频率的统计和最近写访问间隔对页面写冷热的影响,计算频率时效的写权值,并根据最近写频率和计算的频率时效权值来进行混合内存页面冷热页的调度.通过仿真分析比较,这种方法可以减少PCM页面的写次数.
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| 关 键 词： | 非易失存储器 相变存储 混合内存 页面写预测 |
| 收稿时间： | 2020/11/11 0:00:00 |
A Hybrid Memory Writing Cold and Hot Page Scheduling Based on
Frequency Time Interval |
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| LIU Bing,WANG Linghui,ZHANG Tao and CHEN Youliang.A Hybrid Memory Writing Cold and Hot Page Scheduling Based on
Frequency Time Interval[J].Journal of Hnnnan University of Technology,2021,35(3):74-79. |
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| Authors: | LIU Bing WANG Linghui ZHANG Tao and CHEN Youliang |
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| Abstract: | In view of an improvement of the durability of PCM in the hybrid memory composed of PCM and DRAM, as well as a reduction of the page writing operation on PCM, a new formula is used to calculate the write weight value of frequency aging with the statistics of the write access frequency and the influence of the latest write access interval on the page writing heat and cold combined together, followed by a calculation of the hot and cold pages of the hybrid memory according to the latest write frequency and the calculated frequency aging weight. Based on the simulation analysis and comparison, it is verified that this proposed method helps reduce the number of PCM page writing. |
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