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Xiangyu Li

Ph.D. Student
Institute for AI Industry Research (AIR), Tsinghua University

About Me

I am a 4th year Ph.D. student at Institute for AI Industry Research (AIR), Tsinghua University, advised by Dr. Yunxin Liu. Prior to this, I received my B.E. degree from Department of Electronic Engineering, Tsinghua Univeristy in 2022.

My research interests include mobile computing, machine learning systems, and large language models (LLMs). I enjoy doing system research and solving pratical challenges. I am currently focused on building efficient agentic AI systems on edge platforms via system optimization.

Occasionally sharing thoughts about research, development, etc. See Xyu’s Blog.

Feel free to contact: lixiangy22@mails.tsinghua.edu.cn.

News

  • [Aug. 2025] Paper “An Empirical Study of LLM Reasoning Ability Under Strict Output Length Constraint” is accepted to EMNLP 2025 main conference. Congrats to Yi Sun! [Paper] [Page]
  • [Jul. 2025] Paper “Squeezer: Efficient Multi-DNN Inference for Edge Video Analytics via Cross-Model Scheduling” is accepted to IEEE Transactions on Mobile Computing. Congrats to Xiang Wang! [Paper]
  • [Nov. 2024] I presented FlexNN at MobiCom 2024, Washington, D.C., USA. [Slides]
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Publications

  1. MobiCom
    FlexNN: Efficient and Adaptive DNN Inference on Memory-Constrained Edge Devices
    Xiangyu Li, Yuanchun Li, Yuanzhe Li, Ting Cao, Yunxin Liu.
    The 30th Annual International Conference on Mobile Computing and Networking (MobiCom), 2024.
    Paper Slides Code   Oral Presentation, Artifact Evaluated

  2. Personal LLM Agents: Insights and Survey about the Capability, Efficiency and Security
    Yuanchun Li, Hao Wen, Weijun Wang, Xiangyu Li, Yizhen Yuan, Guohong Liu, Jiacheng Liu, Wenxing Xu, Xiang Wang, Yi Sun, Rui Kong, Yile Wang, Hanfei Geng, Jian Luan, Xuefeng Jin, Zilong Ye, Guanjing Xiong, Fan Zhang, Xiang Li, Mengwei Xu, Zhijun Li, Peng Li, Yang Liu, Ya-Qin Zhang, Yunxin Liu.
    ArXiv preprint, 2024.
    Paper Code   Survey, "Efficiency" Section Lead

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Experiences

Internship

Teaching Assistant

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