About Me
I am currently a Postdoctoral Researcher at City University of Hong Kong (CityU), where I also completed my Ph.D. in Computer Science in June 2023. Prior to my doctoral studies at CityU, I earned a Bachelor of Engineering in Computer Science and Technology in 2013 and a Master of Science in High Reliability Embedded Systems in 2017, both from Capital Normal University.
Research Interests
My research focuses on the storage systems aspects of machine learning. Despite its significant adoption in recent years, designing and implementing storage systems that support real-world deployments remains a major bottleneck. This presents an opportunity for research at the intersection of storage system and machine learning. My study investigates how to re-architect system and application software from the ground-up to take advantage of non-volatile memory, in-storage computing, and other memory and storage technologies to support model training and execution in machine learning.
Publications
- Jinheng Li, Qiao Li, Hu Wan, and Chun Jason Xue. Binary Folding Compression for Efficient Software Distribution. In the 39th ACM/SIGAPP Symposium On Applied Computing (SAC), 2024. (ACM Europe Award)
Available as: [ paper ] - Shuhan Bai, Hu Wan, Yun Huang, Xuan Sun, Fei Wu, Changsheng Xie, Hung-Chih Hsieh, Tei-Wei Kuo, and Chun Jason Xue. Pipette: Efficient Fine-Grained Reads for SSDs. In IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), 2023.
Available as: [ paper ] - Shuhan Bai*, Hu Wan*, Yun Huang, Xuan Sun, Fei Wu, Changsheng Xie, Tei-wei Kuo, Jason Xue, and Hung-chih Hsieh. Pipette: Efficient Fine-Grained Reads for SSDs. In 2022 59th ACM/IEEE Design Automation Conference (DAC’22), July 10-14, 2022.
Available as: [ paper | slides ]
* These authors contributed equally to this work. - Xuan Sun*, Hu Wan*, Qiao Li, Chia-Lin Yang, Tei-Wei Kuo, and Chun Jason Xue. RM-SSD: In-Storage Computing for Large-Scale Recommendation Inference. In the 28th IEEE International Symposium on High-Performance Computer Architecture (HPCA’22), February 12-16, 2022.
Available as: [ paper | slides ]
* These authors contributed equally to this work. - Hu Wan*, Xuan Sun*, Yufei Cui, Chia-Lin Yang, Tei-Wei Kuo, and Chun Jason Xue. FlashEmbedding: Storing Embedding Tables in SSD for Large-Scale Recommender Systems. In ACM SIGOPS Asia-Pacific Workshop on Systems (APSys’21), August 24-25, 2021.
Available as: [ paper | slides ]
* These authors contributed equally to this work. - Hu Wan, Fuyang Li, Zimeng Zhou, Kaisheng Zeng, Jianhua Li, Chun Jason Xue. NVLH: Crash-consistent Linear Hashing for Non-Volatile Memory. In the 7th IEEE Non-Volatile Memory Systems and Applications Symposium (NVMSA’18), August, 2018. (poster paper)
Available as: [ paper | poster ] - Kaisheng Zeng, Youyou Lu, Hu Wan, Jiwu Shu. Efficient Storage Management for Aged File Systems on Persistent Memory. In the Design, Automation and Test in Europe Conference & Exhibition (DATE’17), March, 2017.
Available as: [ paper ] - Hu Wan, Youyou Lu, Yuanchao Xu, Jiwu Shu. Empirical Study of Redo and Undo Logging in Persistent Memory. In the 5th Non-Volatile Memory Systems and Applications Symposium (NVMSA’16), August, 2016.
Available as: [ paper | slides | poster ] - Yuanchao Xu, Hu Wan, Keni Qiu, Tao Li, Weigong Zhang. Reducing Synchronization Cost for Single-Level Store in Mobile Systems. Journal of Computer Science and Technology, 2016, 31(4): 836-848.
Available as: [ paper ] - Yuanchao Xu, Hu Wan, Zeyi Hou, Keni Qiu. Mitigating sync overhead in single-level store systems. In Proceedings of the ACM International Conference on Computing Frontiers (CF’16), May, 2016.
Available as: [ paper ]
Honors and Awards
- ACM Euro Award - Apr. 2024
- First-class Academic Scholarship for Postgraduates (Capital Normal University) - Nov. 2016
- National Scholarship for Postgraduates (Ministry of Education of China) - Dec. 2015
- Scholarship for Students of Chinese Academy of Sciences (Chinese Academy of Sciences) - Jan. 2014
- Outstanding Graduate (Capital Normal University) - Jun. 2013
- National Scholarship for Encouragement (Ministry of Education of China) - 2010 - 2012
Education
Sep. 2013 - Aug. 2014
Research Assistant
Mentor: Prof. Dongrui Fan
Sep. 2009 - Jun. 2013
B. Eng. Student
Teaching
- CS5296: Cloud Computing: Theory and Practice, Teaching Assistant, Semester B, 2019/2020
- CS3103: Operating Systems, Teaching Assistant, Semester A, 2019/2020
- CS5296: Cloud Computing: Theory and Practice, Teaching Assistant, Semester B, 2018/2019
- CS3103: Operating Systems, External Teaching Assistant, Semester A, 2018/2019
- CS2311: Computer Programming, Teaching Assistant, Semester A, 2018/2019
- CS4465: Computational Biology and Bioinformatics, Teaching Assistant, Semester B, 2017/2018
- CS2116: Computer Systems, Teaching Assistant, Semester A, 2017/2018
Miscellaneous
- Paper Renamer: Rename academic paper (.pdf) to human-friendly name with the paper title. [Github]
- CityU-Thesis: A collection of LaTeX thesis template for students at City University of Hong Kong. [Github]
- ATOM.IM: Useful websites and applications for researchers in computer science. [Link]
- CS Captive Portal: Log in CityU CS network captive portal from command line. [Link]
- Artwork: Dream of Happiness: Interactive installation. [Link]