Yufei Xue

Yufei Xue

Ph.D. Candidate @ HKUST ECE

yufei.xue [at] connect.ust.hk

About Me

I am Yufei Xue. I pursue

I am currently a Ph.D. candidate at the Hong Kong University of Science and Technology supervised by Prof. Jun Zhang. I received my B.E. degree with honors from Southeast University in 2024. My research interests lie in Efficient LLMs, with a particular emphasis on model compression and sparse inference.

Download CV

Education

The Hong Kong University of Science and Technology

Ph.D. Candidate in the Department of Electronic and Computer Engineering

Supervisor: Prof. Jun Zhang

Sep. 2024 - May 2028 (Expected)

Southeast University

B.E. in Information Engineering, with Honors (Ranked 1st/246)

Sep. 2021 - May 2024

Chien-Shiung Wu College; Chien-Shiung Student (Highest Honor)

Sep. 2020 - May 2021

Experience

Tencent Hunyuan

Qingyun Intern @ AI Infra Department

Supervisor: Dr. Guanghua Yu

Apr. 2026 - Present

Institute of Artificial Intelligence (TeleAI), China Telecom

Intern @ AI Flow Group

Supervisor: Prof. Jiawei Shao

Jun. 2025 - Mar. 2026

Peking University

Research Assistant @ Institute for Artificial Intelligence

Supervisor: Prof. Meng Li

Nov. 2023 - May 2024

Publications

  1. CoSA: Accelerating Long-Context Inference via Proxy-Kernel Co-Designed Sparse Attention
    Yufei Xue*, Lin Niu*, Hong Liu, Siran Liu, Hanyong Shao, Wei Liu, Guanghua Yu, Jianchen Zhu, Jun Zhang
    arXiv Preprint
    Paper
  2. PIVOT: Efficient Query-Group Indexing for Token-Level Sparse Attention
    Hong Liu*, Yuan Cheng*, Lin Niu*, Yi Su, Yufei Xue, Anmin Liu, Guanghua Yu, Jianchen Zhu
    arXiv Preprint
    Paper
  3. ProQuant: Progressive Quantization-Aware Training for Edge MLLMs
    Yufei Xue, Yushi Huang, Jiawei Shao, Pingcheng Dong, Yonghao Tan, Shiyao Li, Kwang-Ting Cheng, Xuelong Li, Jun Zhang
    Submitted
  4. VLMQ: Token Saliency-Driven Post-Training Quantization for Vision-Language Models
    Yufei Xue, Yushi Huang, Jiawei Shao, Lunjie Zhu, Chi Zhang, Xuelong Li, Jun Zhang
    arXiv Preprint
    Paper
  5. Flash-VAED: Plug-and-Play VAE Decoders for Efficient Video Generation
    Lunjie Zhu, Yushi Huang, Xingtong Ge, Yufei Xue, Zhening Liu, Yumeng Zhang, Zehong Lin, Jun Zhang
    ICML 2026
    Paper
  6. FLASH: An Efficient Hardware Accelerator Leveraging Approximate and Sparse FFT for Homomorphic Encryption
    Tengyu Zhang*, Yufei Xue*, Ling Liang, Zhen Gu, Yuan Wang, Runsheng Wang, Ru Huang, Meng Li
    DATE 2025
    Paper

* Co-first authors

Honors & Awards

🏆
HKUST RedBird PhD Award
Aug. 2024
🎓
Merit Student of Jiangsu Province (Top 1/246)
May 2023
🏆
National Scholarship (Top 1%)
Sep. 2022
🎓
Merit Student Model (Top 1/246)
Sep. 2022
🏆
Zhishan Student Scholarship
May 2022
🎓
Annual Chien-Shiung Student (Highest Honor)
Nov. 2021
🏆
Tong-Ren-Ding Scholarship
Nov. 2021
🏆
President Scholarship (Top 2/73)
Sep. 2021
🎓
Merit Student
Sep. 2021
🏆
Zhishan Student Scholarship
May 2021