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教师名录

魏星达

长聘教轨副教授

邮箱：wxdwfc@sjtu.edu.cn

所在研究所：并行与分布式系统研究所

个人简介

魏星达最近的研究聚焦于面向AI的分布式系统基础设施，期望能系统性地提升 AI 训练、推理和智能体等新兴应用的性能与可靠性。

近期的研究工作主要围绕以下几个方向展开：
一是通过快速自动扩缩容和动态资源管理，构建可扩展的 AI 基础设施。代表性工作包括 BlitzScale（OSDI'25）、PhoenixOS（SOSP'25）和 KunServe（EuroSys'26）。
二是设计高效的系统机制，更充分地利用计算资源。代表性工作包括 LMMetric（OSDI'26）和 SpecActor（arXiv）。
三是面向 AI 工作负载构建高速数据平面。代表性工作包括 AITurbo（FAST'26）和 KVCache 缓存研究（ATC'25）。

上述工作大部分已经或正在被部署于华为、阿里巴巴、字节跳动等大型 AI 服务提供商的真实系统中。

更多信息请参见： https://ipads.se.sjtu.edu.cn/pub/members/xingda_wei

教授课程

- 计算机系统工程

- 计算机系统原理

论文发表

部份论文发表:

[OSDI'26] Simple is Better: Multiplication May Be All You Need for LLM Request Scheduling. Dingyan Zhang, Jinbo Han, Kaixi Zhang, Xingda Wei (corresponding author), Sijie Shen, Chenguang Fang, Wenyuan Yu, Jingren Zhou, Rong Chen. The 16th USENIX Symposium on Operating Systems Design and Implementation.
[SOSP'25] PhoenixOS: Concurrent OS-level GPU Checkpoint and Restore with Validated Speculation. Xingda Wei (co-first), Zhuobin Huang (co-first)，Tianle Sun, Yingyi Hao，Rong Chen，Mingcong Han，Jinyu Gu，Haibo Chen. The 31st Symposium on Operating Systems Principles.
[OSDI'25] Fast and Live Model Auto Scaling with O(1) Host Caching. Dingyan Zhang, Haotian Wang, Yang Liu, Xingda Wei (Corresponding author), Yizhou Shan, Rong Chen, Haibo Chen. The 19th USENIX Symposium on Operating Systems Design and Implementation.
[ATC'25] KVCache Cache in the Wild: Characterizing and Optimizing KVCache Cache at a Large Cloud Provider. Jiahao Wang, Jinbo Han, Xingda Wei (Corresponding author), Sijie Shen, Dingyan Zhang, Chenguang Fang, Rong Chen, Wenyuan Yu, Haibo Chen.
[NSDI'25] ODRP: On-Demand Remote Paging with Programmable RDMA. Zixuan Wang, Xingda Wei, Jinyu Gu, Hongrui Xie, Rong Chen, and Haibo Chen. 22nd USENIX Symposium on Networked Systems Design and Implementation.
[EuroSys'24 (Best paper) Serialization/Deserialization-free State Transfer in Serverless Workflows . Fangming Lu, Xingda Wei (Corresponding author), Zhuobin Huang, Rong Chen, Mingyu Wu, and Haibo Chen. The 19th ACM SIGOPS European Conference on Computer Systems, Athens, Greece, April 2024.
[OSDI'23] No Provisioned Concurrency: Fast RDMA-codesigned Remote Fork for Serverless Computing. Xingda Wei, Fangming Lu, Tianxia Wang, Jinyu Gu, Yuhan Yang, Rong Chen, and Haibo Chen. 17th USENIX Symposium on Operating Systems Design and Implementation, Boston, MA, US, July 2023.
[OSDI'23] Characterizing Off-path SmartNIC for Accelerating Distributed Applications. Xingda Wei, Rongxin Cheng, Yuhan Yang, Rong Chen, and Haibo Chen. 17th USENIX Symposium on Operating Systems Design and Implementation, Boston, MA, US, July 2023.

获奖信息

Eurosys Best paper, 2024
华为火花奖, 2022
ACM 中国优秀博士学位论文提名奖 (ACM China Doctoral Dissertation Award), 2021
ACM ChinaSys 优秀博士学位论文奖 (ACM ChinaSys Doctoral Dissertation Award), 2021
Honorable Mention of the ACM SIGOPS Dennis M. Ritchie Award, 2021
Huawei OlympusMons Pioneer Award, 2020
Microsoft Research Asia Fellowship Award, 2018
Excellent Bachelor Thesis, 2015

学术服务

Program Committee Member

2027: NSDI
2026: ASPLOS, EuroSys
2025: NSDI, OSDI, CoNEXT, APSys
2024: NSDI, ASPLOS (Fall), CoNEXT (Winter)
2023: SysDW, Chinasys (Fall)
2022: EuroDW