You can also find publications on my Google Scholar profile.

Conference Papers


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)

[Paper] | [Slides] | [Code]


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)

[Paper] | [Slides] | [Code]


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)

[Paper] | [Slides] | [Code]


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)

[Paper] | [Slides] | [Code]


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)

[Paper] | [Slides] | [Code]


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)

[Paper] | [Slides] | [Code]


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)

[Paper] | [Slides] | [Code]


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)

[Paper] | [Slides] | [Code]


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)

[Paper] | [Slides] | [Code]


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)

[Paper] | [Slides] | [Code]


Journal Articles


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)

[Paper] | [Slides] | [Code]


Preprints


Semantic Scheduling for LLM Inference

Wenyue Hua, Dujian Ding, Yile Gu, Yujie Ren, Kai Mei, Minghua Ma, William Yang Wang

[Paper]


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

[Paper]


Workshop Abstracts


FusionFS: Fusing I/O Operations in Firmware File Systems

Jian Zhang, Yujie Ren, Sudarsun Kannan

Annual Non-Volatile Memories Workshop 2023 (NVMW 2023)

[Paper]


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)

[Paper]


Patents


System and method for managing queues in systems with high parallelism

Sudarsun Kannan, Yujie Ren, Rekha Pitchumani

United State Patent (patent No.: US12287964B2)

[Link]


System and method for caching in storage devices

Sudarsun Kannan, Yujie Ren, Rekha Pitchumani

United State Patent (patent No.: US12287738B2)

[Link]


Systems and methods for heterogeneous storage systems

Sudarsun Kannan, Yujie Ren, Rekha Pitchumani, David Domingo

United State Patent (patent No.: US11928336B2)

[Link]