About me

I’m a senior staff engineer and researcher at Alibaba Cloud, working on building high-performance and high-reliability LLM systems. I obtained the PhD degree from the School of Software, Tsinghua University, under the guidance of Prof. Zhenhua Li.

Experience

• 2023.10 - 2025.6 Research Intern at Alibaba Cloud, Mentor: Ennan Zhai and Kun Qian
• 2020.9 - 2025.6 Ph.D. at School of Software, Tsinghua University, Advisor: Prof. Zhenhua Li
• 2016.9 - 2020.6 Bachelor at Jilin University

News

• 2026/07/24

  Paper NDB: Practical Network Failure Debugger for Production LLM Training is accepted to USENIX NSDI’27

• 2026/07/04

  Paper LMTracer: Fine-Grained and Real-Time Performance Profiling for Production LLM Systems is accepted to ACM SOSP’26

• 2025/08/14

  Paper Democratizing the Cryptocurrency Ecosystem by Just-In-Time Transformation of Mining Programs is accepted to IEEE/ACM ASE’25

• 2025/04/26

  Paper SkeletonHunter: Diagnosing and Localizing Network Failures in Containerized Large Model Training is accepted to ACM SIGCOMM’25

• 2024/12/11

  Paper Mitigating Scalability Walls of RDMA-based Container Networks is accepted to USENIX NSDI’25

Awards

• 2025 ACM SIGCOMM China Doctoral Dissertation Award, ACM SIGCOMM China
• 2025 PhD Thesis Award of the School of Software, Tsinghua University
• 2024 Zulong Scholarship, Tsinghua University
• 2023 Wuqing Talent Scholarship, Tsinghua University
• 2022 GridSum Scholarship, Tsinghua University
• 2021 Kwai Scholarship, Tsinghua University
• 2019 Outstanding Undergraduate Award, China Computer Federation
• 2019 National Scholarship, Ministry of Education
• 2018 National Scholarship, Ministry of Education

Services

• 2027 ACM WWW Reviewer
• 2027 IEEE INFOCOM Reviewer
• 2026 USENIX NSDI AEC Member
• 2026 ACM CoNEXT STPC Member
• 2026 ACM IMC STPC Member
• 2026 ACM MM Reviewer
• 2026 IEEE INFOCOM Reviewer
• 2025 ACM MM Reviewer
• 2024 ACM MM Reviewer
• 2024 ACM TOSEM Reviewer
• 2023 ACM MM Reviewer