Hongpei Li ☕️
Hongpei Li

Large-Scale Optimization

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About Me

I am a first-year PhD student in the Department of Industrial Engineering & Management Sciences (IEMS) at Northwestern University.

I received my Bachelor’s degree from Shanghai University of Finance and Economics (September 2021 – June 2025), where I was advised by Prof. Yinyu Ye and Prof. Dongdong Ge.

📚 My Research

My research interests include Optimization, Artificial Intelligence (AI), and the interdisciplinary area between Operations Research and Machine Learning.

Currently, I am particularly focused on:

  • Developing optimization-based algorithmic frameworks to enhance the training and inference efficiency of large language models (LLMs)
  • Accelerating classical optimization methods by leveraging AI techniques that learn from historical data
  • Designing and implementing efficient optimization algorithms for large-scale problems, with a particular focus on GPU-accelerated methods
Recent Publications
(2026). OSDN: Improving Delta Rule with Provable Online Preconditioning in Linear Attention. arXiv.
(2026). PDHCG-II: An Enhanced Version of PDHCG for Large-Scale Convex QP. arXiv.
(2026). D-PDLP: Scaling PDLP to Distributed Multi-GPU Systems. arXiv.