Junyi Zhang

Master Student
Huazhong University of Science and Technology
junyizhang (at) hust.edu.cn

About Me

Hi there 👋, I’m Junyi Zhang, a 2nd year master student in School of Computer Science and Technology, Huazhong University of Science and Technology (HUST). I’m supervised by Prof. Xiong Wang. Previously, I obtained my bachelor’s degree from School of Computer Science and Technology, Huazhong University of Science and Technology (HUST).

Research Interests

Machine Learning Systems: efficient and low-cost model training and inference systems, mixture-of-experts model optimization

Recent News

[Apr. 2025]: PopFetcher accepted to USENIX ATC ‘25 (CCF-A, acceptance rate: 100/634=15.8%).

Education

Ph.D., Computer Science and Technology, Huazhong University of Science and Technology, 2026.09 - now
M.S., Computer Science and Technology, Huazhong University of Science and Technology, 2024.09 - 2026.06
B.Eng., Computer Science and Technology, Huazhong University of Science and Technology, 2020.09 - 2024.06

Internship

Research Intern, Tencent Hunyuan (Qingyun), Apr. 2026 - Sept. 2026

Publications

(* indicates equal contribution, † indicates corresponding authors.)

USENIX ATC

PopFetcher: Towards Accelerated Mixture-of-Experts Training Via Popularity Based Expert-Wise Prefetch

Junyi Zhang, Chuanhu Ma, Xiong Wang †, Yuntao Nie, Yuqing Li, Yuedong Xu, Xiaofei Liao, Bo Li, Hai Jin

USENIX Annual Technical Conference (USENIX ATC), 2025.

PDF Slides BibTex

Selected Honors

National Scholarship, China, 2025
Tencent Scholarship, HUST, 2025
First-class Scholarship for Postgraduates, HUST, 2024 - 2025
Honored Graduates of HUST, 2024

Others

TODO

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