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Heterogeneous and Intelligent Systems Lab (HISL)
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publications
CompoundFS: Compounding I/O Operations in Firmware File Systems
Yujie Ren, Jian Zhang, Sudarsun Kannan
The 12th USENIX Workshop on Hot Topics in Storage and File Systems (HotStorage ‘20)
</br>CrossFS: A Cross-layered Direct-Access File System
Yujie Ren, Changwoo Min, Sudarsun Kannan
The 14th USENIX Symposium on Operating Systems Design and Implementation (OSDI ‘20)
</br>CrossFS: A Cross-layered Direct-Access File System
Yujie Ren, Changwoo Min, Sudarsun Kannan
Annual Non-Volatile Memories Workshop 2021 (NVMW 2021) (Memorable Paper Award Finalists)
</br>KLOCs: Kernel-Level Object Contexts for Heterogeneous Memory System
Sudarsun Kannan, Yujie Ren, Abhishek Bhattacharjee
The 26th ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS ‘21)
</br>FusionFS: Fusing I/O Operations in Firmware File Systems
Jian Zhang*, Yujie Ren*, Sudarsun Kannan (* Co-first author)
The 20th USENIX Conference on File and Storage Technologies (FAST ‘22)
</br>FusionFS: Fusing I/O Operations in Firmware File Systems
Jian Zhang, Yujie Ren, Sudarsun Kannan
Annual Non-Volatile Memories Workshop 2023 (NVMW 2023)
</br>LLM as OS, Agents as Apps: Envisioning AIOS, Agents and the AIOS-Agent Ecosystem
Yingqiang Ge, Yujie Ren, Wenyue Hua, Shuyuan Xu, Juntao Tan, Yongfeng Zhang
</br>
Systems and methods for heterogeneous storage systems
Sudarsun Kannan, Yujie Ren, Rekha Pitchumani, David Domingo
United State Patent (patent No.: US11928336B2)
</br>OmniCache: Collaborative Caching for Near-storage Accelerators
Jian Zhang, Yujie Ren, Marie Nguyen, Changwoo Min, Sudarsun Kannan
The 22th USENIX Conference on File and Storage Technologies (FAST ‘24)
</br>Monarch: A Fuzzing Framework for Distributed File Systems
Tao Lyu, Liyi Zhang, Zhiyao Feng, Yueyang Pan, Yujie Ren, Meng Xu, Mathias Payer, Sanidhya Kashyap
The 2024 USENIX Annual Technical Conference (ATC ‘24)
</br>System and method for caching in storage devices
Sudarsun Kannan, Yujie Ren, Rekha Pitchumani
United State Patent (patent No.: US12287738B2)
</br>System and method for managing queues in systems with high parallelism
Sudarsun Kannan, Yujie Ren, Rekha Pitchumani
United State Patent (patent No.: US12287964B2)
</br>PolyStore: Exploiting Combined Capabilities of Heterogeneous Storage
Yujie Ren, David Domingo, Jian Zhang, Paul John, Rekha Pitchumani, Sanidhya Kashyap, Sudarsun Kannan
The 23th USENIX Conference on File and Storage Technologies (FAST ‘25)
</br>From Commands to Prompts: LLM-based Semantic File System
Zeru Shi, Kai Mei, Mingyu Jin, Yongye Su, Chaoji Zuo, Wenyue Hua, Wujiang Xu, Yujie Ren, Zirui Liu, Mengnan Du, Dong Deng, Yongfeng Zhang
The 13th International Conference on Learning Representations (ICLR 2025)
</br>Tolerate It if You Cannot Reduce It: Handling Latency in Tiered Memory
Musa Unal, Vishal Gupta, Yueyang Pan, Yujie Ren, Sanidhya Kashyap
2025 Workshop on Hot Topics in Operating Systems (HotOS ‘25)
</br>Semantic Scheduling for LLM Inference
Wenyue Hua, Dujian Ding, Yile Gu, Yujie Ren, Kai Mei, Minghua Ma, William Yang Wang
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Scalable Far Memory: Balancing Faults and Evictions
Yueyang Pan, Yash Lala, Musa Unal, Yujie Ren, Seung-seob Lee, Abhishek Bhattacharjee, Anurag Khandelwal, Sanidhya Kashyap
The ACM SIGOPS 31st Symposium on Operating Systems Principles (SOSP ‘25)
</br>Horizontally Scaling Heterogeneous Storage for Combined Capabilities with PolyStore
Yujie Ren, David Domingo, Jian Zhang, Paul John, Rekha Pitchumani, Sanidhya Kashyap, Sudarsun Kannan
ACM Transactions on Storage (TOS) (To appear)
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teaching
CS416 Operating Systems Design
Undergraduate course, Fall 2017 / Spring 2018 / Spring 2019 / Fall 2021
CS211 Computer Architecture
Undergraduate course, Fall 2018 / Spring 2020
CS352 Computer Network
Undergraduate course, Summer 2018 / Summer 2019
CS519 Operating Systems Theory
Graduate course, Spring 2022 / Fall 2022
CS477 Advanced Operating Systems
Graduate course, Fall 2024 (Guest instructor)