Zhiying Xu

Bio

Hi, my name is Zhiying Xu (徐至盈).

I am an applied scientist at AWS AI and work on systems for large ML models.

Before that, I earned my Ph.D. degree in the Dept. of Computer Science at Harvard University, working on systems and networking. I obtained my Bachelor's degree at Shanghai Jiao Tong University.

Email: xuzhiying9510 AT gmail.com, xzhiying AT amazon.com

Education

• Harvard Univerisity, Sept 2018 - June 2024
  Ph.D. in Computer Science

• Shanghai Jiao Tong University, Sept 2014 - June 2018
  B.S. in Information Engineering

Experiences

• Amazon Web Service, July 2024 -
  Applied Scientist, Deep Engine Team

• Google, July 2023 - Sept 2023
  Software Engineering Intern, Host: Tae Jun Ham

• Microsoft Research, June 2022 - Sept 2022
  Research Intern, Host: Francis Yan

Publication

• Decouple and Decompose: Scaling Resource Allocation through a Different Lens
  Zhiying Xu, Francis Yan, Minlan Yu
  OSDI 2025

• ScaleFusion: Scalable High-Resolution Long-Video Generation via Chained Sequence Parallelism
  Jiacheng Yang, Jun Wu, Zhen Zhang, Mason Fu, Zhiying Xu, Zhen Jia, Yida Wang
  MLSys 2025

• Teal: Learning-Accelerated Optimization of WAN Traffic Engineering
  Zhiying Xu, Francis Yan, Rachee Singh, Justin Chiu, Alexander Rush, Minlan Yu
  SIGCOMM 2023

• Xatu: Boosting Existing DDoS Detection Systems Using Auxiliary Signals
  Zhiying Xu, Sivaramakrishnan Ramanathan, Alexander Rush, Jelena Mirkovic, Minlan Yu
  CoNEXT 2022

• Seeking the Truth in a Decentralized Manner
  Luoyi Fu, Jiasheng Xu, Shan Qu, Zhiying Xu, Xinbing Wang, Guihai Chen
  Transactions on Networking 2021

• Automating Botnet Detection with Graph Neural Networks
  Jiawei Zhou*, Zhiying Xu*, Alexander Rush, Minlan Yu
  *: co-primary authors
  AutoML Workshop of MLSys 2020

• Joint Optimization of Multicast Energy in Delay-Constrained Mobile Wireless Networks
  Luoyi Fu, Xinzhe Fu, Zesen Zhang, Zhiying Xu, Xudong Wu, Xinbing Wang, Songwu Lu
  Transactions on Networking 2018

• Complexity vs. Optimality: Unraveling Source-destination Connection in Uncertain Graphs
  Xinzhe Fu, Zhiying Xu, Qianyang Peng, Luoyi Fu, Xinbing Wang
  INFOCOM 2017

• ConMap: A Novel Framework for Optimizing Multicast Energy in Delay-constrained Mobile Wireless Networks
  Xinzhe Fu, Zhiying Xu, Qianyang Peng, Jie You, Luoyi Fu, Xinbing Wang, Songwu Lu
  MobiHoc 2017

• Determining Source–Destination Connectivity in Uncertain Networks: Modeling and Solutions
  Luoyi Fu, Xinzhe Fu, Zhiying Xu, Qianyang Peng, Xinbing Wang, Songwu Lu
  Transactions on Networking 2017

• De-Anonymization of Networks with Communities: When Quantifications Meet Algorithms
  Xinzhe Fu, Zhongzhao Hu, Zhiying Xu, Luoyi Fu, Xinbing Wang
  GLOBECOM 2017