武汉理工大学计算机科学与技术学院副教授，数据科学与大数据专业负责人
硕士研究生导师，香港城市大学&华中科技大学双博士学位
联系邮箱（E-mail）：dyj@whut.edu.cn
讲授课程
本科生课程：《大数据原理与技术》《操作系统》《数据存储系统》
研究生课程：《现代计算机系统》《大数据技术与应用》
研究方向（Research Directions）
一、计算机体系结构：存储系统性能和可靠性
固态硬盘方向：本项目研究高密度固态硬盘等外存存储系统的性能、耐用性和可靠性。
内存方向：本项目在内存性能优化的角度，分析内存数据库、机器学习等应用的访问模式。
招生要求：电子信息、机械和计算机等相关专业学生；对存储系统有浓厚兴趣；熟练C语言，动手能力强；英语通过六级。
培养目标：
—培养面向华为、长江存储和小米等存储器研发相关企业的技术型人才；
—到国内外高校如美国匹兹堡大学、香港城市大学、中科院、华中科技大学等深造的学术型人才。
二、国产处理器生态库建设
国防科大DSP芯片方向：本项目基于国产飞腾DSP芯片，针对矩阵分解、求解线性方程组和滤波器等基本算法的函数实现C语言和汇编语言代码并优化性能。
招生要求：计算机或者电子信息等相关专业学生，熟练掌握C语言和计算机系统结构知识，了解汇编语言，有基本的图像处理/数字信号处理算法知识。
培养目标：到各大高校和企业深造或工作的技术型人才。
在研项目
1. “延迟感知的闪存系统性能优化研究”，2019.01-2021.12，国家自然科学基金（青年项目），32万，国家级纵向
2. “基于堆叠 DRAM 和非易失内存的混合存储机制研究”2020.01～2022.12，中国科学院计算技术研究所计算机体系结构国家重点实验室开放项目，10万，省级纵向
3. “面向高密度闪存物理特征的大容量固态盘可靠性和性能优化研究” 2021.1-2023.12，深圳市面上项目，40万
3. “JWD8024 IP核”数字信号处理领域函数库开发”2021.05-2021.10，国防科技大学委托项目，48万
4. “HMPP图像金字塔和双线性插值函数实现” 2021.06-2021.10，华为公司委托项目，45万
学生培养
本课题组目前已培养硕士研究生二十余名，2021、2022年毕业的学生在华为、长江存储等单位工作。已培养本科生三十余名，指导多项国家级大学生创新创业项目，校级创新创业项目和各类国家级、省级和校级大赛。同时，指导本科生发表多篇学术论文。
课题组招聘信息
本课题组主要研究计算机系统结构的软硬件性能、可靠性，热切希望对计算机系统结构和硬件编程感兴趣的研究生和优秀本科生同学加入。课题组将提供丰厚的生活补贴和论文成果奖励，请给我发邮件dyj@whut.edu.cn。
课题组最新消息（Latest News）
2023-02: 课题组研究生黄思怡和周垚同学的论文Towards LDPC Read Performance of 3D Flash Memories with Layer-induced Error Characteristics被CCF B类期刊TODAES接收！
2022-12: 课题组研究生高圆同学的论文LDPC Level Prediction Towards Read Performance of High-Density Flash Memories被CCF A类期刊TCAD接收！
2022-08: 课题组研究生刘明阳和杨玉琦同学的论文Enhancing GPU Performance via Neighboring Directory Table Based Inter-TLB Sharing被CCF B类会议ICCD2022接收！
2022-08: 课题组研究生周泰宇同学论文Efficient Atomic Durability on eADR-enabled Persistent Memory被CCF B类会议PACT2022接收！
2021-12: 课题组研究生赵文泽同学论文Application-Oriented Data Migration to Accelerate In-Memory Database on Hybrid Memory被JCR Q2区期刊Micromachines接收！
2021-07: 课题组研究生蔡长兴同学论文“耐久性感知的持久性内存异地更新”被《计算机研究与发展》期刊接收！
2021-05: 课题组研究生刘薇同学论文Observation and Optimization on Garbage Collection of Flash Memories: the View in Performance Cliff被JCR Q2区期刊Micromachine接收！
2021-04： 课题组本科生徐锦明同学论文Layer-Aware Request Scheduling for 3D Flash based SSDs 被JCR Q1区期刊IEEE Access接收！
2021-03: 课题组本科生武睿祺同学的论文Stereo Super-pixel Segmentation via Dual-attention Fusion Networks被CCF B类会议ICME 2021接收！
已发表论文列表
----------------------------------------------------2023年--------------------------------------------
期刊论文
35. Du Y, Huang S, Zhou Y et al. Towards LDPC Read Performance of 3D Flash Memories with Layer-induced Error Characteristics [J]. ACM Transactions on Design Automation of Electronic Systems, 2023.(CCF B)
34. Du Y, Gao Y, Huang S, et al. LDPC Level Prediction Towards Read Performance of High-Density Flash Memories[J]. IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2023.(CCF A)
----------------------------------------------------2022年--------------------------------------------
期刊论文
33. Zhao W, Du Y, Zhang M, et al. Application-Oriented Data Migration to Accelerate In-Memory Database on Hybrid Memory, Micromachine (JCR Q2)
32. 蔡长兴,杜亚娟,周泰宇.耐久性感知的持久性内存异地更新[J].计算机研究与发展,2022,59(03):553-567.
（CCF推荐A类中文期刊）
会议论文
31. Yajuan Du, Mingyang Liu, Yuqi Yang, Mingzhe Zhang, Xulong Tang. Enhancing GPU Performance via Neighboring Directory Table Based Inter-TLB Sharing. In the 40th IEEE International Conference on Computer Design (ICCD'22), 2022（CCF B会议论文）
30. Taiyu Zhou, Yajuan Du, Fan Yang, Xiaojian Liao, Youyou Lu. Efficient Atomic Durability on eADR-enabled Persistent Memory. In the 31st International Conference on Parallel Architectures and Compilation Techniques (PACT'22), 2022（CCF B会议论文）
29. Yuan Gao, Yajuan Du, Qiao Li. Work-in-Progress: Prediction- based Fine-Grained LDPC Reading to Enhance High-Density Flash Read Performance. In International Conference on Compilers, Architectures, and Synthesis for Embedded Systems (CASES 2022), 2022 (CCF C会议论文)
--------------------------------------------------2021年----------------------------------------------
期刊论文
28. Yajuan Du, Wei Liu, Rachata Ausavarungnirun, Observation and Optimization on Garbage Collection of Flash Memories: the View in Performance Cliff, Micromachine (JCR Q2)
27. Jinming Xu, Yajuan Du*, Cong Ding, Layer-Aware Request Scheduling for 3D Flash based SSDs, IEEE Access (JCR Q1)
会议论文
26. Ruiqi Wu, Yajuan Du, Hua Li, Yucong Dai, Stereo Superpixel Segmentation via Dual-attention Fusion Networks, IEEE International Conference on Multimedia and Expo (ICME) 2021 (CCF B)
25. Yongchao Hu, Yajuan Du*, Reducing Tail Latency of LSM-tree based Key-value Store via Limited Compaction. The 36th ACM/SIGAPP Symposium on Applied Computing. (SAC2021，通讯作者)（EI）
----------------------------------------------------2020年--------------------------------------------
期刊论文
23. Yu Liang, Riwei Pan, Yajuan Du, Chenchen Fu, Liang Shi, Tei-Wei Kuo, Chun Jason Xue, Read-ahead Efficiency on Mobile Devices: Observation, Characterization, and Optimization, IEEE Transactions on Computers (Accepted) （CCF A期刊论文）
22. Peng Luo, Deqing Zou, Yajuan Du, Hai Jin, Changming Liu, Jinan Shen, Static detection of real-world buffer overflow induced by loop. Comput. Secur.89(2020)（CCF C期刊论文）
会议论文
24. Meng Li, Qi Zhong Leo Yu Zhang, Yajuan Du*, Jun Zhang, Yong Xiang, Protecting the Intellectual Property of Deep Neural Networks with Watermarking: The Frequency Domain Approach, IEEE International Conference on Trust, Security and Privacy in Computing and Communications. (TrustCom 2020)（CCF C会议论文，通讯作者）
--------------------------------------------------2019年----------------------------------------------
期刊论文
21. Meng Zhang, Fei Wu, Yajuan Du, Weihua Liu, and Changsheng Xie. Using Error Modes Aware LDPC to Improve Decoding Performance of 3D TLC NAND Flash, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), 2019.（CCF A期刊论文）
会议论文
20. Yajuan Du, Wei Liu, Rui Wang, Yao Zhou, Jason Xue, PreGC: Pre-migrating valid pages to relieve performance cliff of 3D solid-state drives: work-in-progress. CODES+ISSS 2019: 9:1-9:2 (CCF B会议论文)
19. Yajuan Du, Wei Liu, Meng Zhang. United SSD block cleaning via constrained victim block selection. ACM Symposium on Applied Computing (SAC 2019)—CPS track (EI会议论文)
18. Yajuan Du, Yao Zhou, Meng Zhang, Wei Liu, Shengwu Xiong. Adapting Layer RBERs Variations of 3D Flash Memories via Multi-granularity Progressive LDPC Reading. In Proceedings of the 54th Design Automation Conference (DAC) 2019. (CCF A会议论文）
--------------------------------------------------2018年---------------------------------------------
期刊论文
17. Hai Jin, Benxi Liu, Yajuan Du*, Deqing Zou. BoundShield: Comprehensive Mitigation for Memory Disclosure Attacks via Secret Region Isolation. IEEE Access, 2018,99:1-1. （通讯作者，JCR Q2）
16. Meng Zhang, Fei Wu, Yajuan Du, Weihua Liu, and Changsheng Xie. Pair-Bit Errors aware LDPC Decoding in MLC NAND Flash Memory, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), 2018.（CCF A期刊论文）
15. Peng Luo, Deqing Zou, Hai Jin, Yajuan Du, Long Zheng, Jinan Shen: _DigHR: precise dynamic detection of hidden races with weak causal relation analysis. The Journal of Supercomputing 74(6): 2684-2704 (2018) (CCF C期刊论文)
14. Peng Luo, Deqing Zou, Hai Jin, Yajuan Du, Long Zheng, Jinan Shen. DigHR: precise dynamic detection of hidden races with weak causal relation analysis. The Journal of Supercomputing，2018, 74(6): 2684-2704.（CCF C期刊论文）
13. Meng Zhang, Fie Wu, Xubin Chen, Yajuan Du, Wihua Liu, Yahui Zhao, Jiguang Wan, and Changsheng Xie (2018). RBER aware Multi-Sensing for Improving Read Performance of 3D MLC NAND Flash Memory. IEEE Access. （JCR Q2）
会议论文
12. Yu Liang, Yajuan Du, Chenchen Fu, Riwei Pan, Liang Shi, Chun Jason Xue. Boosting Read-ahead Efficiency for Improved User Experience on Mobile Devices. ACM SIGBED Review
11. Fei Wu, Jiaona Zhou, Shunzhuo Wang, Yajuan Du, Chengmo Yang, Changsheng Xie. FastGC: accelerate garbage collection via an efficient copyback-based data migration in SSDs. In Proceedings of the 54th Design Automation Conference (DAC) 2018: 7:1-7:6. (CCF B会议论文）
----------------------------------------------------2017年--------------------------------------------
期刊论文
10. Fei Wu, Meng Zhang, Yajuan Du, Ping Huang, Xubin He, Changsheng Xie and Jiguang Wan. A Program Interference Error Aware LDPC Scheme for Improving NAND Flash Decoding Performance. ACM Transactions on Embedded Computing Systems (TECS), 2017, 16(5s): 141. (CCF B期刊论文)
9. Peng Luo, Deqing Zou, Hai Jin, Yajuan Du and Jinan Shen. A Dynamic Predictive Race Detector for C/C++ Programs. The Journal of Supercomputing, Springer, 2017: 1-21.（CCF C期刊论文)
会议论文
8. Yajuan Du, Qiao Li, Liang Shi, Deqing Zou, Hai Jin, and Chun Jason Xue. Reducing LDPC Soft Sensing Latency by Lightweight Data Refresh for Flash Read Performance Improvement. In: Proceedings of the 54th Design Automation Conference (DAC’17), ACM, 2017, 23. (CCF A会议论文)
7. Yajuan Du, Deqing Zou, Qiao Li, Liang Shi, Hai Jin, and Chun Jason Xue. LaLDPC: Latency aware LDPC for Read Performance Improvement of Solid-State Drives. In: Proceedings of the 33rd International Conference on Massive Storage Systems and Technology (MSST’17), IEEE, 2017. (CCF B会议论文)
6. Yajuan Du, Yunpei Jia, Meng Zhang, Jun Zeng, and Chun Jason Xue. Enhancing SSD Performance with LDPC-aware Garbage Collection. In: Proceedings of the 6th Non-Volatile Memory Systems and Applications Symposium (NVMSA’17), 2017.
5. Meng Zhang, Fei Wu, Yajuan Du, Chengmo Yang, Changsheng Xie and Jiguang Wan. CooECC: A Cooperative Error Correction Scheme to Reduce LDPC Decoding Latency in NAND Flash. In Proceedings of International Conference on Computer Design (ICCD’17), IEEE, 2017. (CCF B会议论文)
4. Yu Liang, Chenchen Fu, Yajuan Du, Mengying Zhao, Aosong Deng, Liang Shi and Chun Jason Xue. An Empirical Study of F2FS on Mobile Devices. In: Proceedings of the 23rd IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA’17), IEEE, 2017.
3. Qiao Li, Liang Shi, Yejia Di, Yajuan Du, Chun Jason Xue and Edwin H.-M. Sha. Exploiting Process Variation for Read Performance Improvement on LDPC Based Flash Memory Storage Systems. In Proceedings of International Conference on Computer Design (ICCD’17), IEEE, 2017. (CCF B会议论文）
2. Qiao Li, Liang Shi, Yejia Di, Yajuan Du, Chun Jason Xue, Qingfeng Zhuge and Edwin Sha. Improving Read Performance Via Selective Vpass Reduction on High Density 3D NAND Flash Memory. In: Proceedings of the 6th Non-Volatile Memory Systems and Applications Symposium (NVMSA ‘17), IEEE, 2017.
------------------------------------------------2015年------------------------------------------------
期刊论文
1. Yajuan Du, Hao Zhang, Mengying Zhao, Deqing Zou and Chun Jason Xue. Faster super-resolution imaging of high-density molecules via a cascading algorithm based on compressed sensing. Optics Express, OSA, 2015, 23(14): 18563-18576. （JCR Q2）