Jiping Yu (于纪平)

• Direct Ph.D., 2019–2025
  • Advisor: Prof. Wenguang Chen
  • Tsinghua University, Department of Computer Science and Technology, Institute for High Performance Computing, PACMAN Lab, High-Performance Computing track
  • Cumulative GPA 3.86/4.00; CS coursework GPA 3.94/4.00
• B.S. in Computer Science and Technology, 2015–2019, Tsinghua University, Department of Computer Science and Technology
  • Cumulative GPA 3.77/4.00; CS coursework GPA 3.95/4.00
• 2012–2015, Dalian No.24 High School
• 2009–2012, The Second Affiliated Middle School of Liaoning Normal University
• 2003–2009, Shahekou District Central Primary School (Liu Changchun Primary School), Dalian

• Xin Cheng, Xingkai Yu, Chenze Shao, Jiashi Li, Yunfan Xiong, Yi Qian, Jiaqi Zhu, Shirong Ma, Xiaokang Zhang, Jiasheng Ye, Qinyu Chen, Chengqi Deng, Jiping Yu, Damai Dai, Zhengyan Zhang, Yixuan Wei, Yixuan Tan, Wenkai Yang, Runxin Xu, Yu Wu, Zhean Xu, Xuanyu Wang, Muyang Chen, Rui Tian, Xiao Bi, Zhewen Hao, Shaoyuan Chen, Huanqi Cao, Wentao Zhang, Anyi Xu, Huishuai Zhang, Dongyan Zhao, Wenfeng Liang (2026). DSpark: Confidence-Scheduled Speculative Decoding with Semi-Autoregressive Generation. [Paper]
• DeepSeek-AI, Anyi Xu, Bangcai Lin, Bing Xue, Bingxuan Wang, Bingzheng Xu, Bochao Wu, Bowei Zhang, Chaofan Lin, Chen Dong, Chenchen Ling, Chengda Lu, Chenggang Zhao, Chengqi Deng, Chengyu Hou, Chenhao Xu, Chenze Shao, Chong Ruan, Conner Sun, Damai Dai, Daya Guo, Dejian Yang, Deli Chen, Donghao Li, Dongjie Ji, Erhang Li, Fang Wei, Fangyun Lin, Fangzhou Yuan, Feiyu Xia, Fucong Dai, Guangbo Hao, Guanting Chen, Guoai Cao, Guolai Meng, Guowei Li, Han Yu, Han Zhang, Hanwei Xu, Hao Li, Haofen Liang, Haoling Zhang, Haoming Luo, Haoran Wei, Haotian Yuan, Haowei Zhang, Haowen Luo, Haoyu Chen, Haozhe Ji, Hengqing Zhang, Honghui Ding, Hongxuan Tang, Huanqi Cao, Huazuo Gao, Hui Qu, Hui Zeng, J Yang, JQ Zhu, Jia Luo, Jia Song, Jia Yu, Jialiang Huang, Jialu Cai, Jian Liang, Jiangting Zhou, Jiasheng Ye, Jiashi Li, Jiaxin Xu, Jiewen Hu, Jieyu Yang, Jin Chen, Jin Yan, Jingchang Chen, Jingli Zhou, Jingting Xiang, Jingyang Yuan, Jingyuan Cheng, Jingzi Zhou, Jinhua Zhu, Jiping Yu, Joseph Sun, Jun Ran, Junguang Jiang, Junjie Qiu, Junlong Li, Junmin Zheng, Junxiao Song, Kai Dong, Kaige Gao, Kang Guan, Kexing Zhou, Kezhao Huang, Kuai Yu, Lean Wang, Lecong Zhang, Lei Wang, Leyi Xia, Li Zhang, Liang Zhao, Lihua Guo, Lingxiao Luo, Linwang Ma, Linyan Zhu, Litong Wang, Liyu Cai, Liyue Zhang, Longhao Chen, MS Di, MY Xu, Max Mei, Miaojun Wang, Mingchuan Zhang, Minghua Zhang, Minghui Tang, Mingming Li, Mingxu Zhou, Minmin Han, Ning Wang, Panpan Huang, Panpan Wang, Peixin Cong, Peiyi Wang, Peng Zhang, Qiancheng Wang, Qihao Zhu, Qingyang Li, Qinyu Chen, Qiushi Du, Qiwei Jiang, Rui Tian, Ruifan Xu, Ruijie Lu, Ruiling Xu, Ruiqi Ge, Ruisong Zhang, Ruizhe Pan, Runji Wang, Runqian Chen, Runqiu Yin, Runxin Xu, Ruomeng Shen, Ruoyu Zhang, Ruyi Chen, SH Liu, Shanghao Lu, Shangmian Sun, Shangyan Zhou, Shanhuang Chen, Shaofei Cai, Shaoheng Nie, Shaoqing Wu, Shaoyuan Chen, Shengding Hu, Shengyu Liu, Shiqiang Hu, Shirong Ma, Shiyu Wang, Shuiping Yu, Shunfeng Zhou, Shuting Pan, Shuying Yu, Songyang Zhou, Tao Ni, Tao Yun, Tian Jin, Tian Pei, Tian Ye, Tianle Lin, Tianran Ji, Tianyi Cui, Tianyuan Yue, Tingting Yu, Tun Wang, W Zhang, WL Xiao, Wangding Zeng, Wei An, Weilin Zhao, Wen Liu, Wenfeng Liang, Wenjie Pang, Wenjing Luo, Wenjing Yao, Wenjun Gao, Wenkai Yang, Wenlve Huang, Wenqing Hou, Wentao Zhang, Wenting Ma, Xi Gao, Xiang He, Xiangwen Wang, Xianzu Wang, Xiao Bi, Xiaodong Liu, Xiaohan Wang, Xiaokang Chen, Xiaokang Zhang, Xiaotao Nie, Xiaowen Sun, Xiaoxiang Wang, Xin Cheng, Xin Liu, Xin Xie, Xingchao Liu, Xingchen Liu, Xingkai Yu, Xingyou Li, Xinyu Yang, Xinyu Zhang, Xu Chen, Xuanyu Wang, Xuecheng Su, Xueyin Chen, Xuheng Lin, Xuwei Fu, YC Yan, YQ Wang, YW Ma, Yanfeng Luo, Yang Zhang, Yanhong Xu, Yanru Ma, Yanwen Huang, Yao Li, Yao Li, Yao Xu, Yao Zhao, Yaofeng Sun, Yaohui Wang, Yi Qian, Yi Shao, Yi Yu, Yichao Zhang, Yifan Ding, Yifan Shi, Yijia Wu, Yiliang Xiong, Yiling Ma, Ying He, Ying Tang, Ying Zhou, Yingjia Luo, Yinmin Zhong, Yishi Piao, Yisong Wang, Yixiang Zhang, Yixiao Chen, Yixuan Tan, Yixuan Wei, Yiyang Ma, Yiyuan Liu, Yonglun Yang, Yongqiang Guo, Yongtong Wu, Yu Wu, YuKun Li, Yuan Cheng, Yuan Ou, Yuanfan Xu, Yuanhao Li, Yuduan Wang, Yuehan Yang, Yuer Xu, Yuhan Wu, Yuhao Meng, Yuheng Zou, Yukun Zha, Yunfan Xiong, Yupeng Chen, Yuping Lin, Yuqian Cao, Yuqian Wang, Yushun Zhang, Yuting Yan, Yutong Lin, Yuxian Gu, Yuxiang Luo, Yuxiang You, Yuxuan Liu, Yuxuan Zhou, Yuyang Zhou, Yuzhen Huang, ZF Wu, Zehao Wang, Zehua Zhao, Zehui Ren, Zekai Zhang, Zhangli Sha, Zhe Fu, Zhe Ju, Zhean Xu, Zhenda Xie, Zhengyan Zhang, Zheren Gao, Zhewen Hao, Zhibin Gou, Zhicheng Ma, Zhigang Yan, Zhihong Shao, Zhixian Huang, Zhixuan Chen, Zhiyu Wu, Zhizhou Ren, Zhongyu Wu, Zhuoshu Li, Zhuping Zhang, Zian Xu, Zihao Wang, Zihua Qu, Zihui Gu, Zijia Zhu, Zilin Li, Zipeng Zhang, Ziwei Xie, Ziyi Gao, Ziyi Wan, Zizheng Pan, Zongqing Yao (2026). DeepSeek-V4: Towards Highly Efficient Million-Token Context Intelligence. [Paper]

• Shuhong Huang, Shizhi Tang, Yuan Wen, Huanqi Cao, Ruibai Tang, Yidong Chen, Jiping Yu, Yang Li, Chao Jiang, Limin Xiao, Jidong Zhai (2026). ParDiff: Efficiently Parallelizing Reverse-Mode Automatic Differentiation with Direct Indexing. Proceedings of the 31st ACM SIGPLAN Annual Symposium on Principles and Practice of Parallel Programming. [Paper]
• Xiaoyu Fan, Kun Chen, Jiping Yu, Xin Liu, Yunyi Chen, Wei Xu (2026). RoundRole: Unlocking the Efficiency of Multi-party Computation with Bandwidth-aware Execution. Proceedings of the Network and Distributed System Security Symposium (NDSS). [Paper] [Slides] [Video]
• Jiping Yu, Kun Chen, Xiaoyu Fan, Yunyi Chen, Xiaowei Zhu, Wenguang Chen (2025). Lodia: Towards Optimal Sparse Matrix-Vector Multiplication for Batched Fully Homomorphic Encryption. Proceedings of the 2025 ACM SIGSAC Conference on Computer and Communications Security. [Paper] [Full version] [Code]
• Yunyi Chen, Jiping Yu, Kun Chen, Xiaoyu Fan, Xiaowei Zhu, Wenguang Chen (2025). Correlation-Aware Secure Sorting and Permutation for Iterative Two-Party Graph Analysis. Proceedings of the 2025 ACM SIGSAC Conference on Computer and Communications Security. [Paper]
• Xiaoyu Fan, Kun Chen, Jiping Yu, Xiaowei Zhu, Yunyi Chen, Huanchen Zhang, Wei Xu (2025). GORAM: Graph-oriented ORAM for Efficient Ego-centric Queries on Federated Graphs. Proceedings of the VLDB Endowment, Volume 18, Issue 10. [Paper] [Full version]
• Jiping Yu, Kun Chen, Yunyi Chen, Xiaoyu Fan, Xiaowei Zhu, Cheng Hong, Wenguang Chen (2025). GraphAce: Secure Two-Party Graph Analysis Achieving Communication Efficiency. 34th USENIX Security Symposium. [Paper] [Code] [Slides] [Video]
• Jiping Yu, Wei Qin, Xiaowei Zhu, Zhenbo Sun, Jianqiang Huang, Xiaohan Li, Wenguang Chen (2021). DFOGraph: An I/O- and communication-efficient system for distributed fully-out-of-core graph processing. Proceedings of the 26th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming. [Extended abstract] [Paper]
• Xiaowei Zhu, Guanyu Feng, Marco Serafini, Xiaosong Ma, Jiping Yu, Lei Xie, Ashraf Aboulnaga, Wenguang Chen (2020). LiveGraph: A transactional graph storage system with purely sequential adjacency list scans. Proceedings of the VLDB Endowment 13, No. 7. [Paper]
• Peng Zhao, Chen Ding, Lei Liu, Jiping Yu, Wentao Han, Xiao-Bing Feng (2019). Cacheap: Portable and collaborative I/O optimization for graph processing. Journal of Computer Science and Technology. [Paper]
• Jiaao He, Chenggang Zhao, Jiping Yu, Xinjian Yu, Liyan Zheng, Chenyao Lou, Shizhi Tang, Wentao Han, Jidong Zhai (2019). Student cluster competition 2018, team Tsinghua University: Reproducing performance of multi-physics simulations of the Tsunamigenic 2004 Sumatra megathrust earthquake on the Intel Skylake architecture. Parallel Computing 90. [Paper]
• Ka Cheong Jason Lau, Yuxuan Li, Lei Xie, Qian Xie, Beichen Li, Yu Chen, Guanyu Feng, Jiping Yu, Xinjian Yu, Miao Wang, Wentao Han, Jidong Zhai (2018). Student cluster competition 2017, team Tsinghua University: Reproducing vectorization of the Tersoff multi-body potential on the Intel Skylake and NVIDIA Volta architectures. Parallel Computing 78. [Paper]
• Jiping Yu, Kun Chen, Yunyi Chen, Xiaoyu Fan, Xiaowei Zhu, Cheng Hong, Wenguang Chen. Graph processing method, device, computer equipment, and program product. CN119646836A. Feb 13, 2026.
• Wei Qin, Jiping Yu, Xiaowei Zhu, Wenguang Chen. Distributed data processing. US20240134881A1. Jan 27, 2026.
• Yunyi Chen, Jiping Yu, Kun Chen, Xiaoyu Fan, Xiaowei Zhu, Wenguang Chen. Iterative two-party privacy-preserving graph analytics method and device. CN119646870A. Nov 25, 2025.
• Wei Qin, Jiping Yu, Xiaowei Zhu, Wenguang Chen. Graph data partitioning. US20240143657A1. Nov 4, 2025.
• Jiping Yu, Kun Chen, Yunyi Chen, Xiaowei Zhu, Cheng Hong, Xiaoyu Fan, Wenguang Chen. Privacy-preserving graph computation method and device. CN119293852A. Oct 31, 2025.
• Wei Qin, Jiping Yu, Xiaowei Zhu, Wenguang Chen. Communication method and apparatus applied to computer cluster. US12348328B2. Jul 1, 2025.
• Xiaoyu Fan, Kun Chen, Jiping Yu, Xiaowei Zhu, Yunyi Chen, Wenguang Chen, Wei Xu. Privacy-preserving collaborative graph construction and query method and device. CN119248971A. Jan 3, 2025. (Application publication date)
• Wei Qin, Jiping Yu, Xiaowei Zhu, Wenguang Chen. Graph data partitioning method, device, and computer equipment. CN113792170B. Mar 15, 2022.
• Wei Qin, Jiping Yu, Xiaowei Zhu, Wenguang Chen. Distributed data processing method, device, and equipment. CN113656426B. Feb 8, 2022.
• Wei Qin, Jiping Yu, Xiaowei Zhu, Wenguang Chen. Communication method and device for computer clusters. CN113630476B. Dec 31, 2021.

• Programming languages
  • C/C++ (modern standards, Linux user/kernel programming, high-performance networking and external-memory programming, template metaprogramming, Qt, etc.)
  • Comfortable with Python, JavaScript, Bash, Java, Pascal
  • Working knowledge of Rust, Go, HTML, CSS, Batch, Kotlin, Swift, VHDL, Lua, Ruby
• High-performance computing
  • Performance tuning for serial and parallel programs
  • Porting for parallel, distributed, GPU, and out-of-core workloads
  • Using and optimizing mainstream HPC libraries
  • Building, administering, and operating compute clusters
• Privacy-preserving computation
  • Secret sharing, homomorphic encryption, garbled circuits, private set intersection, trusted execution environments, etc.
  • Designing, proving, implementing, and optimizing protocols
• English proficiency: CET-6 508, CET-4 593, GRE 328+3.5, TOEFL iBT 96
  • GRE General Test percentiles: V 80%, Q 97%, W 42%
  • TOEFL iBT subscores: R 27, L 26, W 21, S 22

As a core member of Team Tsinghua, I participated in the following international student cluster competitions:

• SC18 Student Cluster Competition SC18 SCC Champion

  (Core team member)

  Team: Jiping Yu, Xinjian Yu, Jia'ao He, Liyan Zheng, Chenggang Zhao, Chenyao Lou

  Coaches: Jidong Zhai, Wentao Han
• ISC18 Student Cluster Competition ISC18 SCC Champion

  (Core team member)

  Team: Beichen Li, Guanyu Feng, Jiping Yu, Shizhi Tang, Yu Chen, Jia'ao He

  Coaches: Jidong Zhai, Wentao Han
• ASC18 Student Supercomputer Challenge ASC18 SSC Champion

  (Core team member)

  Team: Beichen Li, Guanyu Feng, Lei Xie, Jiping Yu, Yu Chen

  Coaches: Jidong Zhai, Wentao Han
• ISC19 Student Cluster Competition ISC19 SCC Runner-up

  (Core team member)

  Team: Jiping Yu, Shizhi Tang, Jia'ao He, Shengqi Chen, Kezhao Huang, Liyan Zheng

  Coaches: Jidong Zhai, Wentao Han
• SC17 Student Cluster Competition SC17 SCC Third place

  (Core team member)

  Team: Beichen Li, Guanyu Feng, Jiachang Liu, Lei Xie, Jiping Yu, Yu Chen

  Coaches: Jidong Zhai, Wentao Han
• ASC19 Student Supercomputer Challenge ASC19 SSC Runner-up

  (Training squad member)

  Competition team: Shizhi Tang, Jia'ao He, Shengqi Chen, Kezhao Huang, Liyan Zheng

  Coaches: Jidong Zhai, Wentao Han

Collegiate Programming

• ICPC World Finals 2019ICPC WF 2019 13th place

  with teammates Leping Wang and Ruizhe Zhang
• 2017 ACM-ICPC Asia East Continent League FinalICPC Asia EC Final 2017 Gold, 3rd

  with Leping Wang and Ruizhe Zhang
• 2018 ICPC Asia Jiaozuo RegionalICPC Jiaozuo 2018 Champion

  with Leping Wang and Ruizhe Zhang
• 2019 ICPC Asia Nanchang RegionalICPC Nanchang 2019 Gold, 7th

  with Ruizhe Zhang and Haotian He
• 2018 Tsinghua (Beijing) – Tsinghua (Hsinchu) – HKUST Programming Contest Excellence Award, 2nd

  with Ruizhe Zhang and Yue Qin
• 7th CCF Collegiate Computer Systems & Programming ContestCCF CCSP 2022 Gold, 8th
• 2nd CCF Collegiate Computer Systems & Programming ContestCCF CCSP 2017 Gold, 4th
• CCF Certified Software Professional contests #9, #21, #23Three-time perfect scorer (CCF CSP)

• 31st National Olympiad in Informatics (China)NOI 2014 Gold Medal
• 30th National Olympiad in Informatics (China)NOI 2013 Gold Medal
• National Olympiad in Informatics in Provinces (China)NOIP 2013 Senior Group First Prize
• National Olympiad in Informatics in Provinces (China)NOIP 2012 Senior Group First Prize
• Asia-Pacific Informatics OlympiadAPIO 2014 China Silver Medal
• Asia-Pacific Informatics OlympiadAPIO 2013 China Silver Medal
• China Team Selection for IOICTSC 2014 Silver Medal

Industry & Online Contests

• 2017 CodeM Programming Contest 3rd place

  Hosted by Meituan
• 2017 MegCup Geek Challenge 10th place

  Hosted by Megvii (Face++)
• Weekly Contest 16B / 18B / 21 / 22 / 24 / 64Six-time global champion in LeetCode Weekly Contests

• 2018 National Scholarship (China)
• 2018 Tsinghua Innovation & Entrepreneurship Excellence Award (Tsinghua Alumni Association – Cai Xiong Scholarship)
• 2016 Academic Excellence Award, Tsinghua University (Tsinghua Alumni Association – Zheng Geru Scholarship)
• 2016 Progress Award, Tsinghua University (University scholarship)
• 2015 Second-class Freshman Scholarship, Tsinghua University

• 2018 Mathematical Contest in Modeling2018 MCM Meritorious Winner

  Team: Cheng Lu, Shihong Song
• 2009 China Youth Electronics & Information Production Contest — Circuit Innovation (Boys, Primary School) First Prize
• 2009 Hua Luogeng Cup National Mathematics Invitational (Finals, Primary School) First Prize
• 2008 Hua Luogeng Cup National Mathematics Invitational (Finals, Primary School) Second Prize

I have worked on problem setting, statement development, system support, and on-site operations for Olympiad in Informatics events, collegiate programming contests, Tsinghua-hosted activities, and online platforms.

This list may be incomplete; please let me know if something is missing.

Olympiad in Informatics Events

• 41st National Olympiad in Informatics (China)[NOI 2024] Millionaire

  Problem setting, development
• 34th National Olympiad in Informatics (China)[NOI 2017] Worm Queue

  Problem setting, development, on-site operations
• 33rd National Olympiad in Informatics (China)[NOI 2016] Grid

  Development, on-site operations
• National Olympiad in Informatics in Provinces[NOIP 2016 Senior] Earthworms

  Problem setting, development
• National Olympiad in Informatics in Provinces[NOIP 2016 Junior] Magic Matrix

  Problem setting, development
• Asia-Pacific Informatics Olympiad 2023[APIO 2023] Alice, Bob, and Circuit

  Problem setting, development
• Provincial team selection for NOI (12-province joint contest)[Joint Provincial Contest 2019] Cheating the Samples

  Problem setting, development
• Provincial team selection for NOI (Heilongjiang, Jilin, Liaoning, Shanghai, Shanxi, Hebei)[Joint Provincial Contest 2017] Destroy the “Tree Diagram”

  Problem setting, development
• IOI 2017 China national training camp at Tsinghua[Tsinghua Camp 2016] Magic Program

  Problem setting, development, on-site operations
• IOI 2016 China national training camp at Tsinghua[Tsinghua Camp 2015] Static Cactus

  Problem setting, development, on-site operations

Collegiate Programming Contests

• 4th CCF Collegiate Computer Systems & Programming Contest[CCSP 2019] Picking Fruit, Card Counting

  Problem setting, development, on-site operations
• 1st CCF Collegiate Computer Systems & Programming Contest Regional[CCSP 2019 Regional] CCSP Subgraph Counting

  Problem setting, development
• 20th CCF Certified Software Professional contest[CSP 202009-5] Secret Message & Counting

  Problem setting, development
• 19th CCF Certified Software Professional contest[CSP 202006-4] 1246

  Problem setting, development
• 15th CCF Certified Software Professional contest[CSP 201812-3] CIDR Merge

  Development
• 2019 Tsinghua Programming Contest & Invitational[THUPC 2019] Arrange the Furniture

  Problem setting, development, on-site operations
• 2018 Tsinghua Programming Contest & Invitational[THUPC 2018] TA Recruitment Notice

  Problem setting, development, on-site operations
• 2018 CCPC Qinhuangdao[CCPC 2018 Qinhuangdao] perfect

  Problem setting, development
• 2016 CCPC Hefei[CCPC 2016 Hefei] Greatest Common Divisor

  Problem setting, development

Tsinghua Programming Activities

• 2024 Tsinghua CS “Secondary–University Bridging” Program (Summer)[THUSC 2024] Compiler Optimization

  Problem setting, development, system support
• 2024 Tsinghua CS “Secondary–University Bridging” Program (Winter)THUWC 2024

  System support
• 2024 Tsinghua CS “Secondary–University Bridging” ProgramTHUSC 2021

  System support
• 2019 Tsinghua National Outstanding High School Informatics Camp[THUSC 2019] Side-channel Attack

  Problem setting, development, on-site operations
• 2019 Tsinghua Winter Informatics CampTHUWC 2019

  Problem validation, on-site operations
• 2018 Tsinghua National Outstanding High School Informatics Camp[THUSC 2018] Origami

  Problem setting, development, on-site operations
• 2022 Tsinghua Advanced Computing Program Entrance ExamTHUPEEii 2022

  Problem setting, development
• 2020 Tsinghua Advanced Computing Program Entrance ExamTHUPEEii 2020

  Problem setting, development
• 2021 Tsinghua Graduate Entrance Exam (Programming)

  Problem setting, development
• 2016 Tsinghua CS Graduate Recommendation Programming Test

  Problem setting, development, on-site operations
• 2015 Tsinghua CS Graduate Recommendation Programming Test

  On-site operations
• 2019 Canadian Computing CompetitionCCC 2019 Beijing Site

  Problem setting, development, on-site operations

Online Programming Platforms

• [Codeforces Round #278] Div. 2 A, Div. 2 B, Div. 1 A, Div. 1 D

  Problem setting, development
• [UOJ Goodbye Yiwei] New Year Firecrackers

  Problem setting, development
• [UOJ Round #7] Water Problem Setter

  Problem setting, development
• [UOJ Goodbye Jiawu] New Year Board Game

  Problem setting, development
• [BestCoder Round #19] A, B, C, D

  Problem setting, development