About me

To prospective students: I am looking for undergraudate/graduate students with strong interests in big data systems, storage systems, embedded systems/software research. If you are interested, please send me email with your CV and transcripts.

Teaching

• CSCI3150: Introduction to Operating Systems (2022/23-T1, 2021/22-T1/T2; 2020/21-T1/T2 ;2019/20-T1/T2 ;2018/19-T1)
• ENGG 5101/CENG 5410: Advanced Computer Architecture (2022/23-T2; 2018/19-T2)

Research

• Research Interests: Embedded Systems/Software and Storage Systems

• Recent Selected Papers (DBLP Publication List):

1. Yaotian Cui, Zhiqi Wang, Renhai Chen and Zili Shao, "Decentralized, Epoch-based F2FS Journaling With Fine-grained Crash Recovery", The 19th USENIX Symposium on Operating Systems Design and Implementation (OSDI '25), Boston, MA, USA, July 7-9, 2025.
2. Zixuan Huang, Tianyu Wang, Kecheng Huang, Zelin Du and Zili Shao, "Expanding Logical Space Freely: A Memory-efficient Mapping Table Design for Compressional SSDs", The 62nd Design Automation Conference (DAC), San Francisco, CA, USA, June 22-25, 2025.
3. Kecheng Huang, Zhaoyan Shen, Zili Shao, Feng Chen and Tong Zhang, "HaSiS: A Hardware-assisted Single-index Store for Hybrid Transactional and Analytical Processing", USENIX Conference on File and Storage Technologies (FAST 2025), Santa Clara, CA, USA, February 25-27, 2025.
4. Wenbin Zhu, Zhaoyan Shen, Qian Wei, Renhai Chen, Xin YAO, Dongxiao Yu, and Zili Shao, "HiDPU: A DPU-Oriented Hybrid Indexing Scheme for Disaggregated Storage Systems", USENIX Conference on File and Storage Technologies (FAST 2025), Santa Clara, CA, USA, February 25-27, 2025.
5. Yang Guo, Tianyu Wang, Zizhan Chen, and Zili Shao, "A Storage Model with Fine-Grained In-Storage Query Processing for Spatio-Temporal Data", IEEE International Conference on Data Engineering (ICDE 2025), Hong Kong SAR, China, May 19-23, 2025.
6. Zelin Du, Kecheng HUANG, Tianyu Wang, Xin Yao, Renhai Chen and Zili Shao, "A Practical Learning-Based FTL for Memory-Constrained Mobile Flash Storage", Design, Automation and Test in Europe Conference (DATE 2025), Lyon, France, 31 March - 2 April, 2025.
7. Jin Xue, Yuhong Song, Yang Guo and Zili Shao, "Ensuring Data Freshness for In-Storage Computing with Cooperative Buffer Manager", Design, Automation and Test in Europe Conference (DATE 2025), Lyon, France, 31 March - 2 April, 2025.
8. Chengye Yu, Tianyu Wang, Zili Shao, Linjie Zhu, Xu Zhou and Song Jiang, "TwinPilots: A New Computing Paradigm for GPU-CPU Parallel LLM Inference", The ACM International Systems and Storage Conference (SYSTOR 24), Virtual Conference, September 23-25, 2024. (Best Paper Award)
9. Xiangao Chen, Kecheng Huang, Tianyu Wang and Zili Shao, "TPGraph: A Highly-scalable Time-partitioned Graph Model for Tracing Blockchain", The ACM International Systems and Storage Conference (SYSTOR 24), Virtual Conference, September 23-25, 2024.
10. Zelin Du, Shaoqi Li, Zixuan Huang, Jin Xue, Tianyu Wang, Kecheng Huang and Zili Shao, "PipeSSD: A Lock-free Pipelined SSD Firmware Design for Multi-core Architecture", The 61th Design Automation Conference (DAC), San Francisco, CA, USA, June 23-27, 2024.
11. Yang Guo, Zhiqi Wang, Jin Xue, and Zili Shao, "A Spatio-Temporal Series Data Model with Efficient Indexing and Layout for Cloud-Based Trajectory Data Management", The 40th International Conference on Data Engineering (ICDE), Utrecht, Netherlands, May 13-17, 2024.
12. Kecheng Huang, Xijun Li, Mingxuan Yuan, Ji Zhang and Zili Shao, "Joint Directory, File and IO Trace Feature Extraction and Feature-based Trace Regeneration for Enterprise Storage Systems", The 40th International Conference on Data Engineering (ICDE), Utrecht, Netherlands, May 13-17, 2024.
13. Kecheng Huang, Zhaoyan Shen, Zili Shao, Tong Zhang and Feng Chen, "Breathing New Life into An Old Tree: Resolving Logging Dilemma of B+-tree on Modern Computational Storage Drives", International Conference on Very Large Databases (VLDB 2024), Guangzhou, China, August 25-29, 2024.
14. Zhiqi Wang and Zili Shao, "MirrorKV: An Efficient Key-Value Store on Hybrid Cloud Storage with Balanced Performance of Compaction and Querying", ACM SIGMOD Conference on Management of Data (SIGMOD 2024), Santiago, Chile, June 9-15, 2024.
15. Zehao Chen, Bingzhe Li, Xiaojun Cai, Zhiping Jia, Lei Ju, Zili Shao and Zhaoyan Shen, "ChainKV: A Semantics-Aware Key-Value Store for Ethereum System", ACM SIGMOD Conference on Management of Data (SIGMOD 2024), Santiago, Chile, June 9-15, 2024.
16. Zhiqi Wang and Zili Shao, "ForestTI: A Scalable Inverted-Index-Oriented Timeseries Management System with Flexible Memory Efficiency", ACM SIGMOD Conference on Management of Data (SIGMOD 2023), Seattle, WA, USA, June 18-23, 2023.
17. Zizhan Chen and Zili Shao, "Transparent Runtime Change Handling for Android Apps", ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS 2023), Vancouver, Canada, March 25-29, 2023.
18. Zhiqi Wang and Zili Shao, "TimeUnion: An Efficient Architecture with Unified Data Model For Timeseries Management Systems on Hybrid Cloud Storage", ACM SIGMOD Conference on Management of Data (SIGMOD 2022), Philadelphia, PA, USA, June 12-17, 2022.
19. Yang Guo and Zili Shao, "Cymo: A Storage Model with Query-Aware Indexing for Spatio-Temporal Big Data", IEEE International Conference on Distributed Computing Systems (ICDCS 2022), Bologna, Italy, July 10-13, 2022.
20. Jin Xue, Zhiqi Wang, Tianyu Wang, and Zili Shao, "TagTree: Global Tagging Index with Efficient Querying for Time Series Databases", IEEE International Parallel and Distributed Processing Symposium (IPDPS 2022), Lyon, France, May 30-June 3, 2022.
21. Tianyu Wang, Zhaoyan Shen, and Zili Shao, "Co-Mining: A Processing-in-Memory Assisted Framework for Memory-Intensive PoW Acceleration", ACM SIGPLAN/SIGBED International Conference on Languages, Compilers, and Tools for Embedded Systems (LCTES 2022), San Diego, CA, USA, June 13-June 17, 2022.
22. Zizhan Chen, Siqi Shang, Qihong Wu, Jin Xue, Zhaoyan Shen, and Zili Shao, "An Old Friend Is Better Than Two New Ones: Dual-Screen Android", ACM SIGPLAN/SIGBED International Conference on Languages, Compilers, and Tools for Embedded Systems (LCTES 2022), San Diego, CA, USA, June 13-June 17, 2022.
23. Jin Xue, Tianyu Wang, and Zili Shao, "MCMQ: Simulation Framework for Scalable Multi-Core Flash Firmware of Multi-Queue SSDs", The Design, Automation and Test in Europe Conference (DATE), Virtual Conference, March 14-23, 2022.
24. Kecheng Huang, Zhaoyan Shen, Zhiping Jia, Zili Shao and Feng Chen, "Removing Double-Logging with Passive Data Persistence in LSM-tree based Relational Databases", USENIX Conference on File and Storage Technologies (FAST 2022), Santa Clara, CA, USA, February 22-24, 2022.
25. Zhiqi Wang, Jin Xue, and Zili Shao, "Heracles: An Efficient Storage Model and Data Flushing for Performance Monitoring Timeseries", International Conference on Very Large Data Bases (VLDB 2021), Copenhagen, Denmark, August 16-20, 2021.
26. Kecheng Huang, Zhiping Jia, Zhaoyan Shen, Zili Shao and Feng Chen, "Less is More: De-amplifying I/Os for Key-value Stores with a Log-assisted LSM Tree", IEEE International Conference on Data Engineering (ICDE 2021), Crete, Greece, April 19-23, 2021.

Professioinal Activities

• Journal Associate Editor

• ACM Transactions on Cyber-Physical Systems, 2015-
• IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2016-2021
• ACM Transactions on Design Automation of Electronic Systems, 2015-2020.
• IEEE Transactions on Computers, 2014-2018

• Conference TPC memeber

• The Design Automation Conference (DAC 2012, 2013, 2014, 2015, 2016, 2017, 2020, 2021, 2022)
• The International Conference On Computer Aided Design (ICCAD 2019, 2020, 2021)
• The International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022)
• Asia and South Pacific Design Automation Conference (ASP-DAC 2012, 2013, 2014, 2015, 2016, 2017, 2018)
• The Design, Automation, and Test in Europe conference (DATE 2013, 2014, 2015, 2016, 2017, 2018)
• ACM SIGPLAN/SIGBED International Conference on Languages, Compilers, Tools and Theory for Embedded Systems (LCTES 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2022)