Linsong Guo (郭林松)
l1guo at ucsd dot edu
I am a Ph.D student at University of California San Diego. I am very fortunate to work with Professor Amy Ousterhout. My current research topic is preemptive user-space scheduling.

I received my bachelor's degree in computer science from ACM Honored Class of Shanghai Jiao Tong University (SJTU). During my undergraduate, I interned at Professor Dong Xie's Database System Group at Penn State University, and researched on serverless computing in SJTU EPCC lab, advised by Professor Quan Chen. Also, I won three gold medals (one first runner-up) in ACM-ICPC Asia regional contests.
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Education

University of California San Diego (UCSD)
La Jolla, CA
Ph.D. in Computer Science and Engineering.
Sep 2022 - Present

Shanghai Jiao Tong University (SJTU)
Shanghai, China
B.Eng. in Computer Science (Member of ACM class).
Sep 2018 - Jun 2022

Publications

Linsong Guo, Danial Zuberi, Tal Garfinkel, Amy Ousterhout. The Benefits and Limitations of User Interrupts for Preemptive Userspace Scheduling. USENIX NSDI 2025 (to appear).
Berk Aydogmus, Linsong Guo, Danial Zuberi, Tal Garfinkel, Dean Tullsen, Amy Ousterhout, Kazem Taram. Extended User Interrupts (xUI): Fast and Flexible Notification without Polling. ASPLOS 2025 (to appear)
Zijun Li, Linsong Guo, Quan Chen, Jiagan Cheng, Chuhao Xu, Zhuo Song, Tao Ma, Yong Yang, Chao Li and Minyi Guo. Help Rather Than Recycle: Alleviating Cold Startup in Serverless Computing Through Inter-Function Container Sharing. USENIX ATC 2022.
Zijun Li, Yushi Liu, Linsong Guo, Quan Chen, Jiagan Cheng, Wenli Zheng, Minyi Guo. FaaSFlow: Enable Efficient Workflow Execution for Function-as-a-Service. ASPLOS 2022.
Zijun Li, Linsong Guo, Jiagan Cheng, Quan Chen, Bingsheng He, Minyi Guo. The Serverless Computing Survey: A Technical Primer for Design Architecture. ACM Computing Surveys.

Honors And Awards

1st Runner-Up, ACM-ICPC Asia Regional Contest, Nakhon Pathom Site
2018
Gold Medal, ACM-ICPC Asia Regional Contest, Qingdao Site
2018
Gold Medal, China Collegiate Programming Contest, Guilin Site
2018
Silver Medal, China Collegiate Programming Contest, Final
2018
Gold Medal, ACM-ICPC invitational Contest, Xi’an Site
2018
Zhiyuan Honorary Scholarship
2018, 2019, 2020
Excellence Scholarship for Undergraduates
2019, 2020, 2021