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. Kai Zhang, Tianyu Wang and Zili Shao, "An Efficient Cloud Storage Model with Compacted Metadata Management for Performance Monitoring Timeseries Systems", USENIX Conference on File and Storage Technologies (FAST '26), Santa Clara, CA, USA, February 24-26, 2026.
2. Chengye YU, Tianyu Wang, Zili Shao and Song Jiang, "SmartCache: Context-aware Semantic Cache for Efficient Multi-turn LLM Inference", The Thirty-ninth Annual Conference on Neural Information Processing Systems (NeurIPS '25), San Diego, CA, USA, December 2-7, 2025.
3. 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.
4. 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.
5. 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 '25), Santa Clara, CA, USA, February 25-27, 2025.
6. 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 '25), Santa Clara, CA, USA, February 25-27, 2025.
7. 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.
8. 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.
9. 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.
10. 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)
11. 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.
12. 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.
13. 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.
14. 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.
15. 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.
16. 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.
17. 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.
18. 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.
19. 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.
20. 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.
21. 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.
22. 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.
23. 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.
24. 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.
25. 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.
26. 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.
27. 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.
28. 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)