Zonghui Li

Zonghui Li

Assistant Professor, Beijing Jiaotong University

Zonghui Li

He received the B.S. degree in computer science from Beijing Information Science and Technology University in 2010, and the M.S. and Ph.D. degree in 2014 and 2019 from Institute of Microelectronics and School of Software, Tsinghua University, Beijing, China, respectively.

He is currently an assistant professor in School of Computer and Information Technology, Beijing Jiaotong University, Beijing, China. His research interests include:

  • Industrial Real-Time Networking
  • Parallel Algorithms
  • VLSI Design

News

[Paper] “A Resource-Efficient Priority Scheduler for Time-Sensitive Networking Switches” is accepted in the CCF Transactions on Networking. (2020/06/31)

[Paper] “Flow Scheduling for Conflict-free Network Updates in Time-Sensitive Software-Defined Networks” is accepted in the IEEE Transactions on Industrial Informatics. (2020/05/21)

[Paper] “A Flattened Priority Framework for Mixed-Criticality Systems” is accepted in the IEEE Transactions on Industrial Electronics. (2019/11/16)

Awards and Honors

  • Excellent Beijing Ph.D. Graduate Award, 2019

  • Best paper award, International Conference on Computer Design, 2013

  • First Rank NTUNISOFT Scholarship, 2017

  • Excellent Beijing B.S. Graduate Award, 2010

  • TRS (Beijing TRS Information Technology Limited) Scholarship, 2010

  • National Motivational Scholarships, 2008, 2009

  • Special Rank Scholarship, 2008

  • First Rank Scholarship, 2007, 2008, 2009, 2010

  • First Rank Prize in Physics Olympiad, Beijing, 2007

Work Experience

  • Research & Development Engineer (Intern) in National Supercomputing Center (Tianjing), China from May to August, 2017

    - Developed multicore and cluster parallel algorithms for the 3D simulation of material.

  • Research & Development Engineer (Fulltime) in Baidu, China from August, 2014 to August, 2015.

    - Developed very large scale machine learning algorithms such as collaborative filtering (CF), support vector machine (SVM), logical regression (LR) based on the parameter server computing model and stochastic gradient descent (SGD) method.

  • Research Assistant (Fulltime) in Knowledge Engineering Lab, Department of Computer Science and Technology, Tsinghua University, China from July, 2010 to August, 2011.

    - Developed an internetware platform for service combination and service alternation.

Worked on Research Projects

  • Research and applications of TCSN (Train Control and Service Network) key technologies, the National Science and Technology Support Program of China (No. 2015BAG14B01-02), 2015 - 2019.

    - Developing Industrial Ethernet Switches based on the time-triggered communication protocol, time-sensitive networking protocols such as IEEE 802.1 AS, 802.1Qbv, 802.1Qca, etc. and apply them on modern railway vehicles.

  • Test environment and demonstration application of trustworthy embedded software systems, the Major Research Plan of the National Natural Science Foundation of China (No. 91218302), 2013 - 2016.

    - Designed an IEC61375 compatible Multi-functional Vehicle Bus (MVB) controller (Already deployed in high-speed trains, locomotives and subway trains operating in China, Egypt, and Argentina railways).

  • Parallel computer architecture for ray tracing, the National Natural Science Foundation of China, 2012 - 2016.

    - Developed microarchitecture technologies to enable real-time ray-tracing (World’s first FPGA based GPU microarchitecture simulator, ICCD’13 best paper award).

  • Essential microarchitectural and algorithmic techniques for ray tracing, the Tsinghua Independent Research Project, 2012 - 2015.

    - Developed highly efficient ray-tracing algorithms including a fully parallel construction algorithm for spatial acceleration structures.

Teaching Assistant

  • [CS20740073] Foundation of Computer Programming, Every Spring and Fall.

  • [CS30240332] JAVA Programming Practice, July and August, 2018.

  • [CS00740103] Introduction to Operating Systems, Spring, 2017.

  • [CS84100332] Architecture for Embedded Systems. Fall, 2016.

  • [CS84100142] Parallel Programming Design. Spring, 2015.

Talks and Presentations

  • [Presentation] Dynamically Optimizing End-to-End Latency for Time-Triggered Networks. ACM SIGCOMM 2019 Workshop on Networking for Emerging Applications and Technologies, Beijing, China, August 19, 2019.

  • [Presentation] A Flattened Priority Framework for Mixed-Criticality Real-Time Systems. IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS), Porto, Portugal, April 11, 2018.

  • [Presentation] Path compression kd-trees with multi-layer parallel construction a case study on ray tracing, the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, San Francisco, California, USA, February 27, 2017.

Journal Papers

  • Zonghui Li, Hai Wan, Yangdong Deng, Ke Xiong, Xiaoyu Song: A Resource-Efficient Priority Scheduler for Time-Sensitive Networking Switches, CCF Transactions on Networking (Accepted in 2020/06/30)

  • Zaiyu Pang, Xiao Huang, Zonghui Li, Sukun Zhang, Yanfen Xu, Hai Wan, Xibin Zhao: Flow Scheduling for Conflict-free Network Updates in Time-Sensitive Software-Defined Networks, IEEE Transactions on Industrial Informatics. Early Access: https://ieeexplore.ieee.org/document/9103114.

  • Zonghui Li, Hai Wan, Yangdong Deng, Xibin Zhao*, Yue Gao, Xiaoyu Song: A Flattened Priority Framework for Mixed-Criticality Systems, IEEE Transactions on Industrial Electronics, 2020, 67(11): 9862 - 9872.

  • Zonghui Li, Hai Wan, Yangdong Deng, Xibin Zhao*, Yue Gao, Xiaoyu Song, Ming Gu: Model-Based Adaptation of Mixed-Criticality Multi-Service Systems for Extreme Physical Environments, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems,2020,39(7): 1386-1399.

  • Zonghui Li, Hai Wan, Yangdong Deng, Xibin Zhao*, Yue Gao, Xiaoyu Song, Ming Gu: Time-Triggered Switch-Memory-Switch Architecture for Time-Sensitive Networking Switches, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2020, 39(1): 185-198.

  • Zonghui Li, Hai Wan, Zaiyu Pang, Qiubo Chen, Yangdong Deng, Xibin Zhao*, Yue Gao, Xiaoyu Song, Ming Gu: An Enhanced Reconfiguration for Deterministic Transmission in Time-Triggered Networks, IEEE/ACM Transactions on Networking, 2019, 27(3): 1124-1137.

  • Yangdong Deng, Yufei Ni, Zonghui Li, Shuai Mu, Wenjun Zhang: Toward Real-Time Ray Tracing: A Survey on Hardware Acceleration and Microarchitecture Techniques. ACM Computing Survey. 50(4): 58:1-58:41 (2017).

  • Yu Jiang, Hehua Zhang, Zonghui Li, Yangdong Deng, Xiaoyu Song, Ming Gu, Jia-Guang Sun: Design and Optimization of Multiclocked Embedded Systems Using Formal Techniques. IEEE Transactions on Industrial Electronics 62(2): 1270-1278 (2015).

Conference Papers

  • Zonghui Li, Hai Wan, Boxu Zhao, Yangdong Deng, Ming Gu: Dynamically Optimizing End-to-End Latency for Time-Triggered Networks, Proceedings of the ACM SIGCOMM 2019 Workshop on Networking for Emerging Applications and Technologies, NEAT 2019:36-42.

  • Zonghui Li, Hai Wan, Yangdong Deng, Qinghan Yu, Tianchi Li, Kang Wei, Ming Gu: Model-based adaptation to extreme physical environments: a case study on mixed-criticality industrial ethernet. Proceedings of the 40th International Conference on Software Engineering: Companion Proceeedings, ICSE 2018: 327-328.

  • Zonghui Li, Hai Wan, Yangdong Deng, Ming Gu: A Flattened Priority Framework for Mixed-Criticality Real-Time Systems. Proceedings of the 2018 IEEE Real-Time and Embedded Technology and Applications Symposium, RTAS 2018: 85-88.

  • Zonghui Li, Yangdong Deng, Ming Gu: Path compression kd-trees with multi-layer parallel construction a case study on ray tracing. Proceedings of the 21st ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, I3D 2017: 16:1-16:8.

  • Xingyu Liu, Yangdong Deng, Yufei Ni, Zonghui Li: FastTree: a hardware KD-tree construction acceleration engine for real-time ray tracing. Proceedings of the 2015 Design, Automation & Test in Europe Conference & Exhibition, DATE 2015: 1595-1598.

  • Xingyu Liu, Shikai Li, Kuan Fang, Yufei Ni, Zonghui Li, Yangdong Deng: RadixBoost: A hardware acceleration structure for scalable radix sort on graphic processors. Proceedings of the 2015 IEEE International Symposium on Circuits and Systems, ISCAS 2015: 1174-1177.

  • Zonghui Li, Tong Wang, Yangdong Deng: Fully parallel kd-tree construction for real-time ray tracing. Proceedings of the 18th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, I3D 2014: 159.

  • Kuan Fang, Yufei Ni, Jiayuan He, Zonghui Li, Shuai Mu, and Yangdong Deng, “FastLane: An FPGA Accelerated GPU Microarchitecture Simulator,” Proceedings of the 2013 IEEE International Conference on Computer Design, ICCD 2013. (Best Paper Award)

  • Yu Jiang, Zonghui Li, Hehua Zhang, Yangdong Deng, Xiaoyu Song, Ming Gu, and Jiaguang Sun. Design and Optimization of Multi-clocked Embedded Systems Using Formal Technique. ACM SIGSOFT Symposium on the Foundations of Software Engineering, 2013.