Youyou Lu
Associate Professor
Department of Computer Science and Technology
Room 8-210, East Main Building, Tsinghua University, Beijing, China
Email: luyouyou AT tsinghua dot edu dot cn
I am an associate professor in the Department of Computer Science and Technology at Tsinghua University. I recieved my Ph.D degree from Tsinghua University in 2015, and Bachelor degree from Nanjing University in 2009. My research interest is in the area of computer systems and architecture, with an emphasis on memory, storage and file systems.
Several Postdoc positions are available. If you are interested in computer system or computer architecture, please contact me.Research
Software Managed Flash System
- Software-Managed Flash
- The Software-Managed Flash Architecture: OFSS (FAST’13)
- File System: ReconFS (FAST’14), ParaFS (ATC’16)
- Key-value Store: FlashKV (CODES+ISSS’17)
- Distributed Object Storage: OCStore (ICDCS’19)
- Byte-addressable SSD:
- File System: CoinPurse (DAC’20)
- Key-value Store: SineKV (ICDCS’20)
- Ordering and Crash Consistency: HORAE (OSDI’20), ccNVMe (SOSP’21)
- Others
- Computational Storage: \lamda -IO (FAST’23)
- Approximate Storage: ASCache (DAC’19),
- Concurrency: MAX (ATC’21)
(Persistent) Memory Systems
- Local (Persistent) Memory System
- Crash Consistency: LOC (ICCD’14), BPPM (MSST’15), SP3 (DAC’20)
- File System: HiNFS (EuroSys’16), KucoFS (FAST’21)
- Key-value Store: Pacman (ATC’22)
- Data Structure: uTree (VLDB’20)
- Security: ccNVM (DAC’19), Aria (ICDE’21)
- Distributed (Persistent) Memory System
- File System: Octopus (ATC’17)
- Key-value Store: FlatStore (ASPLOS’20)
- Data Structure: Nap (OSDI’21), Sherman (SIGMOD’22)
- Networking: ScaleRPC (EuroSys’19)
- Memory System for (AI) Applications
- Recommendation Systems: Kraken (SC’20), Fleche (Eurosys’22), PetPS (VLDB’23)
- AI Training: Mobius (ASPLOS’23)
In-Network Storage
- Distributed Shared Memory: Concordia (FAST’21)
- Transaction Processing: SwitchTx (VLDB’22), AlNiCo (ATC’22)
- Network/Memory Co-Design: Citron (FAST’23), Patronus (FAST’23), ROWAN (OSDI’23)
Distributed (File System) Storage
- File System Data: Octopus (ATC’17)
- File System Metadata: LocoFS (SC’17), InfiniFS (FAST’22), SingularFS (ATC’23)
- HPC File System:
Selected Publications
- Frugal: Efficient and Economic Embedding Model Training with Commodity GPUs.
Minhui Xie, Shaoxun Zeng, Hao Guo, Shiwei Gao, Youyou Lu,The 30th Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS'25), 2025
PDF - Medusa: Accelerating Serverless LLM Inference with Materialization.
Shaoxun Zeng, Minhui Xie, Shiwei Gao, Youmin Chen, Youyou Lu,The 30th Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS'25), 2025
PDF - Fast Core Scheduling with Userspace Process Abstraction.
Jiazhen Lin, Youmin Chen, Shiwei Gao, Youyou Lu,The 30th ACM Symposium on Operating Systems Principles (SOSP'24), 2024
PDF - Ares-Flash: Efficient Parallel Integer Arithmetic Operations Using NAND Flash Memory.
Jian Chen, Congming Gao, Youyou Lu, Yuhao Zhang, Jiwu Shu,57th Annual IEEE/ACM International Symposium on Microarchitecture (MICRO-57), 2024
PDF - MaxEmbed: Maximizing SSD Bandwidth Utilization for Huge Embedding Models Serving.
Ruwen Fan, Minhui Xie, Haodi Jiang, Youyou Lu,The 29th Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS'24), 2024
PDF - Volley: Accelerating Write-Read Orders in Disaggregated Storage.
Shaoxun Zeng, Xiaojian Liao, Hao Guo, Youyou Lu,The 19th European Conference on Computer Systems (EuroSys'24), 2024
PDF - TeRM: Extending RDMA-Attached Memory with SSD.
Zhe Yang, Qing Wang, Xiaojian Liao, Youyou Lu, Keji Huang, Jiwu Shu,The 22nd USENIX Conference on File and Storage Technologies (FAST'24), 2024
PDF - Revisiting Secondary Indexing in LSM-based Storage Systems with Persistent Memory.
Jing Wang, Youyou Lu, Qing Wang, Yuhao Zhang, Jiwu Shu,USENIX Annual Technical Conference (USENIX ATC'23), 2023
PDF - SingularFS: A Billion-Scale Distributed File System Using a Single Metadata Server.
Hao Guo, Youyou Lu, Wenhao Lv, Xiaojian Liao, Shaoxun Zeng, Jiwu Shu,USENIX Annual Technical Conference (USENIX ATC'23), 2023
PDF - PetPS: Supporting Huge Embedding Models with Persistent Memory.
Minhui Xie, Youyou Lu, Qing Wang, Yangyang Feng, Jiaqiang Liu, Kai Ren, Jiwu Shu,The 49th International Conference on Very Large Data Bases (VLDB'23), 2023
PDF - λ-IO: A Unified IO Stack for Computational Storage.
Zhe Yang, Youyou Lu, Xiaojian Liao, Youmin Chen, Junru Li, Siyu He, Jiwu Shu,The 21st USENIX Conference on File and Storage Technologies (FAST'23), 2023
PDF - Citron: Distributed Range Lock Management with One-sided RDMA.
Jian Gao, Youyou Lu, Minhui Xie, Qing Wang, Jiwu Shu,The 21st USENIX Conference on File and Storage Technologies (FAST'23), 2023
PDF - Patronus: High-Performance and Protective Remote Memory.
Bin Yan, Youyou Lu, Qing Wang, Minhui Xie, Jiwu Shu,The 21st USENIX Conference on File and Storage Technologies (FAST'23), 2023
PDF - Mobius: Fine Tuning Large-scale Models on Commodity GPU Servers.
Yangyang Feng, Minhui Xie, Zijie Tian, Shuo Wang, Youyou Lu, Jiwu Shu,The 28th Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS'23), 2023
PDF - Replicating Persistent Memory Key-Value Stores with Efficient RDMA Abstraction.
Qing Wang, Youyou Lu, Jing Wang, Jiwu Shu,The 17th USENIX Symposium on Operating Systems Design and Implementation (OSDI'23), 2023
PDF - SwitchTx: Scalable In-Network Coordination for Distributed Transaction Processing.
Junru Li, Youyou Lu, Yiming Zhang, Qing Wang, Zhuo Cheng, Keji Huang, Jiwu Shu,Proceedings of The 48th International Conference on Very Large Data Bases (VLDB'22), 2022
PDF - Pacman: An Efficient Compaction Approach for Log-Structured Key-Value Store on Persistent Memory.
Jing Wang, Youyou Lu, Qing Wang, Minhui Xie, Keji Huang, Jiwu Shu,USENIX Annual Technical Conference (USENIX ATC'22), 2022
PDF - AlNiCo: SmartNIC-accelerated Contention-aware Request Scheduling for Transaction Processing.
Junru Li, Youyou Lu, Qing Wang, Jiazhen Lin, Zhe Yang, Jiwu Shu,USENIX Annual Technical Conference (USENIX ATC'22), 2022
PDF - Fleche: An Efficient GPU Embedding Cache for Personalized Recommendations.
Minhui Xie, Youyou Lu, Jiazhen Lin, Qing Wang, Jian Gao, Kai Ren, Jiwu Shu,The 17th European Conference on Computer Systems (EuroSys'22), 2022
PDF - InfiniFS: An Efficient Metadata Service for Large-Scale Distributed Filesystems.
Wenhao Lv, Youyou Lu, Yiming Zhang, Peile Duan, Jiwu Shu,USENIX Conference on File and Storage Technologies (FAST'22), 2022
PDF - Sherman: A Write-Optimized Distributed B+Tree Index on Disaggregated Memory.
Qing Wang, Youyou Lu, Jiwu Shu,ACM SIGMOD International Conference on Management of Data (SIGMOD'22), 2022
PDF - Crash Consistent Non-Volatile Memory Express.
Xiaojian Liao, Youyou Lu, Zhe Yang, Jiwu Shu,The 28th ACM Symposium on Operating Systems Principles (SOSP'21), 2021
PDF - ParaBit: Processing Parallel Bitwise Operations in NAND Flash Memory based SSDs.
Congming Gao, Xin Xin, Youyou Lu, Youtao Zhang, Jun Yang, Jiwu Shu,54st Annual IEEE/ACM International Symposium on Microarchitecture (MICRO'21), 2021
PDF - Max: A Multicore-Accelerated File System for Flash Storage.
Xiaojian Liao, Youyou Lu, Erci Xu, Jiwu Shu,USENIX Annual Technical Conference (USENIX ATC'21), 2021
PDF - Nap: A Black-Box Approach to NUMA-Aware Persistent Memory Indexes.
Qing Wang, Youyou Lu, Junru Li, Jiwu Shu,The 15th USENIX Symposium on Operating Systems Design and Implementation (OSDI'21), 2021
PDF - Aria: Tolerating Skewed Workloads in Secure In-memory Key-value Stores.
Fan Yang, Youmin Chen, Youyou Lu, Qing Wang, Jiwu Shu,37th IEEE International Conference on Data Engineering (ICDE'21), 2021
PDF - Scalable Persistent Memory File System with Kernel-Userspace Collaboration.
Youmin Chen, Youyou Lu, Bohong Zhu, Andrea Arpaci-Dusseau, Remzi Arpaci-Dusseau, Jiwu Shu,USENIX Conference on File and Storage Technologies (FAST'21), 2021
PDF - Concordia: Distributed Shared Memory with In-Network Cache Coherence.
Qing Wang, Youyou Lu, Erci Xu, Junru Li, Youmin Chen, Jiwu Shu,USENIX Conference on File and Storage Technologies (FAST'21), 2021
PDF - Kraken: Memory Efficient Continual Learning for Large-Scale Real-Time Recommendations.
Minhui Xie, Kai Ren, Youyou Lu, Guangxu Yang, Qingxing Xu, Bihai Wu, Jiazhen Lin, Hongbo Ao, Wanhong Xu, Jiwu Shu,Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis (SC'20), 2020
PDF - Write Dependency Disentanglement with HORAE.
Xiaojian Liao, Youyou Lu, Erci Xu, Jiwu Shu,The 14th USENIX Symposium on Operating Systems Design and Implementation (OSDI'20), 2020
PDF - μTree: a Persistent B+-Tree with Low Tail Latency.
Youmin Chen, Youyou Lu, Kedong Fang, Qing Wang, Jiwu Shu,46th International Conference on Very Large Data Bases (VLDB'20), 2020
PDF - Improving the Concurrency Performance of Persistent Memory Transactions on Multicores.
Qing Wang, Youyou Lu, Zhongjie Wu, Fan Yang, Jiwu Shu,Design Automation Conference (DAC'20), 2020
PDF - CoinPurse: A Device-Assisted File System with Dual Interfaces.
Zhe Yang, Youyou Lu, Erci Xu, Jiwu Shu,Design Automation Conference (DAC'20), 2020
PDF - FlatStore: an Efficient Log-Structured Key-Value Storage Engine for Persistent Memory.
Youmin Chen, Youyou Lu, Fan Yang, Qing Wang, Yang Wang, Jiwu Shu,Proceedings of the Twenty-Fifth International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS'20), 2020
PDF - No Compromises: Secure NVM with Crash Consistency, Write-Efficiency and High-Performance.
Fan Yang, Youyou Lu, Youmin Chen, Haiyu Mao, Jiwu Shu,Design Automation Conference (DAC'19), 2019
PDF - ASCache: An Approximate SSD Cache for Error-Tolerant Applications.
Fei Li, Youyou Lu, Zhongjie Wu, Jiwu Shu,Design Automation Conference (DAC'19), 2019
PDF - Scalable RDMA RPC on Reliable Connection with Efficient Resource Sharing.
Youmin Chen, Youyou Lu, Jiwu Shu,Proceedings of the Fourteenth EuroSys Conference (EuroSys'19), 2019
PDF - Locofs: A loosely-coupled metadata service for distributed file systems.
Siyang Li, Youyou Lu, Jiwu Shu, Yang Hu, Tao Li,Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis (SC'17), 2017
PDF - Octopus: an RDMA-enabled Distributed Persistent Memory File System.
Youyou Lu, Jiwu Shu, Youmin Chen, Tao Li,USENIX Annual Technical Conference (USENIX ATC'17), 2017
PDF - A high performance file system for non-volatile main memory.
Jiaxin Ou, Jiwu Shu, Youyou Lu,Proceedings of the Eleventh European Conference on Computer Systems (EuroSys'16), 2016
PDF - ParaFS: A log-structured file system to exploit the internal parallelism of flash devices.
Jiacheng Zhang, Jiwu Shu, Youyou Lu,USENIX Annual Technical Conference (USENIX ATC'16), 2016
PDF - Blurred persistence in transactional persistent memory.
Youyou Lu, Jiwu Shu, Long Sun,31st Symposium on Mass Storage Systems and Technologies (MSST'15), 2015
PDF - Loose-ordering consistency for persistent memory.
Youyou Lu, Jiwu Shu, Long Sun, Onur Mutlu,IEEE 32nd International Conference on Computer Design (ICCD'14), 2014
PDF - ReconFS: A reconstructable file system on flash storage.
Youyou Lu, Jiwu Shu, Wei Wang,Proceedings of the 12th USENIX Conference on File and Storage Technologies (FAST'14), 2014
PDF - Extending the lifetime of flash-based storage through reducing write amplification from file systems.
Youyou Lu, Jiwu Shu, Weimin Zheng,Proceedings of the 12th USENIX Conference on File and Storage Technologies (FAST'13), 2013
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Service
- Program Chair
- 2023: NCIS’23
- 2020: ChinaSys’19
- Program Committee Member
- 2024: FAST’24
- 2023: FAST’23, USENIX ATC’23, SYSTOR’23, etc
- 2022: USENIX ATC’22, EuroSys’22, SYSTOR’22, APSys’22, etc
- 2021: HotStorage’21, MSST’21, SYSTOR’21, APSys’21, etc
Honors Awarded
- 2023: ACM SIGMOD Research Highlight Award
- 2023: #1 in the IO500 Research Overall Score(SuperFS), ISC'23
- 2022: Top 10 Research Highlight (Distributed File System Metadata for Hunderds of Billions of Files), Tsinghua University
- 2022: #1 in the IO500 10-node Metadata Score(SuperFS), SC'22
- 2020: Excellent Young Scholar, National Natural Science Funds of China
- 2020: Technological Invention Award (First Prize), China Computer Federation
- 2020: The OlympusMons Awards (The highest honor for worldwide data infrastructure research by Huawei)
- 2019: ACM SIGOPS China Rising Star Award
- 2019: Technological Invention Award (First Prize), Ministry of Education of China (教育部技术发明一等奖, 第2完成人)
- 2017: Excellent Postdoctoral Research Award of Tsinghua University
- 2016: CCF Outstanding Doctoral Dissertation Award (中国计算机学会优秀博士学位论文奖)
- 2015: Young Elite Scientists Sponsorship Program by CAST (中国科协青年人才托举工程)
- 2015: MSST 2015 Best Paper Runner-Up
- 2014: IEEE NVMSA 2014 Best Paper Award