I am a Ph.D. student in TANKLAB at Tianjin University, advised by Wenyu Qu and Yitao Hu. My research interests include Machine Learning Systems, LLM inference serving, and Distributed Systems. I received my B.S. degree in computer science from Northwest A&F University.

GitHub: zhixin612

Email: zhao612@tju.edu.cn

1. PAT: Accelerating LLM Decoding via Prefix-Aware Attention with Resource Efficient Multi-Tile Kernel
   Jinjun Yi†, Zhixin Zhao†, Yitao Hu*, Ke Yan, Weiwei Sun, Hao Wang, Laiping Zhao, Yuhao Zhang, Wenxin Li, Keqiu Li.
   ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS), 2026

2. SLOpt: Serving Real-Time Inference Pipeline with Strict Latency Constraint
   Zhixin Zhao, Yitao Hu*, Guotao Yang, Ziqi Gong, Chen Shen, Laiping Zhao, Wenxin Li, Xiulong Liu, and Wenyu Qu.
   IEEE Transactions on Computers (TC), 2025.

3. Harpagon: Minimizing DNN Serving Cost via Efficient Dispatching, Scheduling and Splitting
   Zhixin Zhao, Yitao Hu*, Ziqi Gong, Guotao Yang, Wenxin Li, Xiulong Liu, Keqiu Li, and Hao Wang.
   IEEE International Conference on Computer Communications (INFOCOM), 2025.

4. TightLLM: Maximizing Throughput for LLM Inference via Adaptive Offloading Policy
   Yitao Hu, Xiulong Liu*, Guotao Yang, Linxuan Li, Kai Zeng, Zhixin Zhao, Sheng Chen, Laiping Zhao, Wenxin Li, and Keqiu Li.
   IEEE Transactions on Computers (TC), 2025.

5. SuperSpec: Enhanced Verification and Sampling for End-to-End LLM Speculative Decoding
   Chen Shen, Rui Guo, Yang Cheng, Yang Lin, Zhixin Zhao, Yitao Hu*, Sheng Chen, Xiulong Liu, and Keqiu Li.
   IEEE International Conference on High Performance Computing and Communications (HPCC), 2025.

6. SmartCache: Two-Dimensional KV-Cache Similarity for Efficient Long-Context LLM Decoding
   Chen Shen, Hao Chen, Kaining Hui, Zhixin Zhao, Yang Cheng, Yitao Hu*, Sheng Chen, Xiulong Liu, and Keqiu Li.
   IEEE International Conference on High Performance Computing and Communications (HPCC), 2025.

7. High-throughput Sampling, Communicating and Training for Reinforcement Learning Systems
   Laiping Zhao, Xinan Dai, Zhixin Zhao, Yusong Xin, Yitao Hu*, Jun Qian, Jun Yao, and Keqiu Li.
   IEEE/ACM International Symposium on Quality of Service (IWQoS), 2023.

• 2025: ASPLOS - Artifact Evaluation Reviewer
• 2023: ICA3PP - Reviewer

• 2021: The 2021 ICPC Shaanxi National Invitational: Silver Medal
• 2020: The 2020 ICPC Asia-East Continent Final: Bronze Medal
• 2020: The 45th ICPC Asia Regional Contest Shanghai Site: Silver Medal

• 2024: Academic Scholarships, Tianjin University
• 2023: Distinguished Academic Scholarship, Tianjin University
• 2022: Outstanding Graduate, Northwest A&F University
• 2021: Presidential Scholarship, Northwest A&F University
• 2020: National Encouragement Scholarship, Northwest A&F University
• 2019: National Encouragement Scholarship, Northwest A&F University

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