VLDB 2025
Nitro: Boosting Distributed Reinforcement Learning with Serverless Computing
Hanfei Yu, Jacob Carter, Hao Wang, Devesh Tiwari, Jian Li, Seung-Jong Park
The International Conference on Very Large Data Bases

SoCC 2024
Pre-Warming is Not Enough: Accelerating Serverless Inference With Opportunistic Pre-Loading
Yifan Sui, Hanfei Yu, Yitao Hu, Jianxun Li, Hao Wang
ACM Symposium on Cloud Computing

TPDS 2024
Freyr+: Harvesting Idle Resources in Serverless Computing via Deep Reinforcement Learning
Hanfei Yu, Hao Wang, Jian Li, Xu Yuan, Seung-Jong Park
IEEE Transactions on Parallel and Distributed Systems

SC 2024 (Best Student Paper Finalist)
Stellaris: Staleness-Aware Distributed Reinforcement Learning with Serverless Computing
Hanfei Yu, Hao Wang, Devesh Tiwari, Jian Li, Seung-Jong Park
The International Conference for High Performance Computing, Networking, Storage, and Analysis

AAAI 2024
Cheaper and Faster: Distributed Deep Reinforcement Learning with Serverless Computing
Hanfei Yu, Jian Li, Yang Hua, Xu Yuan, Hao Wang
The Thirty-Eighth AAAI Conference on Artificial Intelligence

ASPLOS 2024
RainbowCake: Mitigating Cold-starts in Serverless with Layer-wise Container Caching and Sharing
Hanfei Yu, Rohan Basu Roy, Christian Fontenot, Devesh Tiwari, Jian Li, Hong Zhang, Hao Wang, Seung-Jong Park
ACM International Conference on Architectural Support for Programming Languages and Operating Systems

HPDC 2023
Libra: Harvesting Idle Resources Safely and Timely in Serverless Clusters
Hanfei Yu, Christian Fontenot, Hao Wang, Jian Li, Xu Yuan, Seung-Jong Park
ACM International Symposium on High-Performance Parallel and Distributed Computing

WWW 2022
Accelerating Serverless Computing by Harvesting Idle Resources
Hanfei Yu, Hao Wang, Jian Li, Xu Yuan, Seung-Jong Park
ACM Web Conference

ACSOS 2021
FaaSRank: Learning to Schedule Functions in Serverless Platforms
Hanfei Yu, Athirai A. Irissappane, Hao Wang, Wes J. Lloyd
IEEE International Conference on Autonomic Computing and Self-Organizing Systems

Master Thesis
FaaSRank: A Reinforcement Learning Scheduler for Serverless Function-as-a-Service Platforms
Hanfei Yu
University of Washington, ProQuest Dissertations Publishing

ICPE 2021
Enhancing Observability of Serverless Computing with the Serverless Application Analytics Framework
Robert Cordingly, Navid Heydari, Hanfei Yu, Varik Hoang, Zohreh Sadeghi, Wes Lloyd
ACM/SPEC International Conference on Performance Engineering

WoSC 2020
The Serverless Application Analytics Framework: Enabling Design Trade-off Evaluation for Serverless Software
Robert Cordingly, Hanfei Yu, Varik Hoang, Zohreh Sadeghi, David Foster, David Perez, Rashad Hatchett, Wes Lloyd
International Workshop on Serverless Computing

arXiv preprint
Leveraging GPT-2 for Classifying Spam Reviews with Limited Labeled Data via Adversarial Training
Athirai A. Irissappane, Hanfei Yu, Yankun Shen, Anubha Agrawal, Gray Stanton

CBDCom 2020
Implications of Programming Language Selection for Serverless Data Processing Pipelines
Robert Cordingly, Hanfei Yu, Varik Hoang, David Perez, David Foster, Zohreh Sadeghi, Rashad Hatchett, Wes J Lloyd
IEEE International Conference on Cloud and Big Data Computing