Yi Xu

318 

Research Scientist,
Meta
E-mail: y4xu@ucsd.edu

About me

I'm a Research Scientist at Meta. Previously, I was a Postdoc at Sky Computing Lab, UC Berkeley, working with Prof. Ion Stoica. I earned my PhD from UC San Diego, under the supervision of Prof. Steven Swanson. My main research interests span memory and storage management, programming models, distributed systems, and their intersections. Recently, I've been focusing on GPU and LLM memory management.

Selected Publications

  1. Pie: Pooling CPU Memory for LLM Inference
    Yi Xu, Ziming Mao, Xiangxi Mo, Shu Liu, Ion Stoica
    [arXiv preprint 24] [paper]

  2. CXL Shared Memory Programming: Barely Distributed and Almost Persistent
    Yi Xu, Suyash Mahar, Ziheng Liu, Mingyao Shen, Steven Swanson
    [arXiv preprint 24] [paper]

  3. IONIA: High-Performance Replication for Modern Disk-based KV Stores
    Yi Xu*, Henry Zhu*, Prashant Pandey, Alex Conway, Rob Johnson, Ramnatthan Alagappan, Aishwarya Ganesan (*co-first authors)
    [FAST 24] [paper]

  4. Zhuque: Failure is Not an Option, it’s an Exception
    George Hodgkins*, Yi Xu*, Steven Swanson, Joseph Izraelevitz (*co-first authors)
    [ATC 23] [paper]

  5. Clobber-NVM: Log Less, Re-execute More
    Yi Xu, Joseph Izraelevitz, Steven Swanson
    [ASPLOS 21] [extended abstract] [paper] [code]

  6. Basic performance measurements of the intel optane DC persistent memory module
    Joseph Izraelevitz, Jian Yang, Lu Zhang, Juno Kim, Xiao Liu, Amirsaman Memaripour, Yun Joon Soh, Zixuan Wang, Yi Xu, Subramanya R Dulloor, Jishen Zhao, Steven Swanson
    [arXiv preprint 19] [paper]

Other Publications

  1. SkyNomad: On Using Multi-Region Spot Instances to Minimize AI Batch Job Cost
    Zhifei Li, Tian Xia, Ziming Mao, Zihan Zhou, Ethan J. Jackson, Jamison Kerney, Zhanghao Wu, Pratik Mishra, Yi Xu, Yifan Qiao, Scott Shenker, Ion Stoica
    [arXiv preprint 26] [paper]

Workshops

  1. Zhuque: Failure is Not an Option, it’s an Exception
    George Hodgkins*, Yi Xu*, Steven Swanson, Joseph Izraelevitz (*co-first authors)
    [NVMW 23] [paper] [poster] [slides] [video]

  2. Clobber-NVM: Log Less, Re-execute More
    Yi Xu, Joseph Izraelevitz, Steven Swanson
    [NVMW 21] [paper] [slides]

Education

Experience