About Me

I am currently a second-year Ph.D. candidate in the School of Computer Science at Peking University, advised by Prof. Xin Jin and Prof. Xuanzhe Liu.

My research interests include machine learning systems, distributed storage, and smartNICs, with a recent focus on system for large language models (LLMs).

I received my B.S. degree in computer science from the School of Electronics Engineering and Computer Science (EECS), Peking University in 2023.

Email: zhurd (at) pku (dot) edu (dot) cn

Publications

🏛️ Conference Papers

DistRS: Disaggregated Reward Service for RLVR with Batch-Level Constraint

Ruidong Zhu, Mingcong Han, Yinmin Zhong, Wencong Xiao, Xuanzhe Liu, Xin Jin

NSDI 2026

MegaScale-Infer: Efficient Mixture-of-Experts Model Serving with Disaggregated Expert Parallelism

Ruidong Zhu\*, Ziheng Jiang\*, Chao Jin\*, Peng Wu, Cesar A. Stuardo, Dongyang Wang, Xinlei Zhang, Huaping Zhou, Haoran Wei, Yang Cheng, Jianzhe Xiao, Xinyi Zhang, Lingjun Liu, Haibin Lin, Li-Wen Chang, Jianxi Ye, Xiao Yu, Xuanzhe Liu, Xin Jin, Xin Liu
(* Equal Contribution)

SIGCOMM 2025

dLoRA: Dynamically Orchestrating Requests and Adapters for LoRA LLM Serving

Bingyang Wu, Ruidong Zhu, Zili Zhang, Peng Sun, Xuanzhe Liu, Xin Jin

OSDI 2024

Disaggregated RAID Storage in Modern Datacenters

Junyi Shu, Ruidong Zhu, Yun Ma, Gang Huang, Hong Mei, Xuanzhe Liu, Xin Jin

ASPLOS 2023

Efficient Synthesis of Method Call Sequences for Test Generation and Bounded Verification

Yunfan Zhang, Ruidong Zhu, Yingfei Xiong, Tao Xie

ASE 2022

📖 Journal Articles

Epiphron: Resource-Efficient Distributed Key-Value Storage

Ruidong Zhu, Zili Zhang, Bingyang Wu, Xin Yao, Renhai Chen, Gong Zhang, Xuanzhe Liu, Xin Jin

TKDE 2026

Cannikin: No Lagger of SLO in Concurrent Multiple LoRA LLM Serving

Ruidong Zhu, Ziyue Jiang, Zhi Zhang, Xin Liu, Xuanzhe Liu, Xin Jin

TPDS 2025

📄 Preprints

Truncated Proximal Policy Optimization

Tiantian Fan, Lingjun Liu, Yu Yue, Jiaze Chen, Chengyi Wang, Qiying Yu, Chi Zhang, Zhiqi Lin, Ruofei Zhu, Yufeng Yuan, Xiaochen Zuo, Bole Ma, Mofan Zhang, Gaohong Liu, Ru Zhang, Haotian Zhou, Cong Xie, Ruidong Zhu, Zhi Zhang, Xin Liu, Mingxuan Wang, Lin Yan, Yonghui Wu

arXiv

Teaching

  • Teaching Assistant, Introduction to Computation (A) at PKU, 2024 Fall.
  • Teaching Assistant, Introduction to Computation (A) at PKU, 2023 Fall.
  • Teaching Assistant, Introduction to Computer System at PKU, 2021 Fall.

Internship

  • ByteDance [2024.3 - now], Research Intern of Seed-Foundation-Infra.
  • Microsoft Research Asia [2022.2 - 2022.5], Research Intern of Networking Research System.