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Research Topics

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• Energy/power-efficient architecture and systems
• High performance computing
• Interconnection networks for many-core chips, data centers and supercomputers
• Architectural support for parallel programming
• Hardware/software co-design and optimization

Collaborators:

Prof. Massoud Pedram, Prof. Kai Hwang, Prof. Jeffrey Draper
Lihang Zhao, Ruisheng Wang, Di Zhu, Siyu Yue

Education

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• Ph.D. in Computer Engineering, Aug 2014
  University of Southern California, USA
  Dissertation Title: Design of Low-power and Resource-efficient On-chip Networks
  GPA: 4.0/4.0
• M.S. in Electrical Engineering, May 2011
  University of Southern California, USA
  GPA: 4.0/4.0
• B.S. in Electrical Engineering, June 2009
  Zhejiang University, China
  Mixed Honors Class at Chu KoChen College
  Rank: 1/126

Publications

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• [MICRO] Ruisheng Wang and Lizhong Chen, "Futility Scaling: High Associative Cache Partitioning", to appear in the 47th IEEE/ACM International Symposium on Microarchitecture (MICRO), December 2014.
• [ISLPED] Siyu Yue, Lizhong Chen, Di Zhu, Timothy M. Pinkston and Massoud Pedram, "Smart Butterfly: Reducing Static Power Dissipation of Network-on-Chip with Core-State-Awareness", in Proc. of the International Symposium on Low Power Electronics and Design (ISLPED), August 2014.
• [IPDPS] Lihang Zhao, Lizhong Chen and Jeffery Drapper, "Predictive Unicast and Notification to Mitigate the Mismatch between Coherence Protocol and Conflict Detection in HTM", in Proc. of the 28th IEEE International Parallel & Distributed Processing Symposium (IPDPS), May 2014.
• [IPDPS] Di Zhu, Lizhong Chen, Siyu Yue, Timothy M. Pinkston and Massoud Pedram, "Balancing On-Chip Network Latency in Multi-Application Mapping for Chip-Multiprocessors", in Proc. of the 28th IEEE International Parallel & Distributed Processing Symposium (IPDPS), May 2014.
• [DATE] Di Zhu, Lizhong Chen, Siyu Yue, and Massoud Pedram "Application Mapping for Express Channel-Based Networks-on-Chip", in the Design, Automation, and Test in Europe Conference (DATE), March 2014.
• [HPCA] Lizhong Chen, Lihang Zhao, Ruisheng Wang and Timothy Pinkston, "MP3: Minimizing Performance Penalty for Power-gating of Clos Network-on-Chip", in Proc. of the 20th IEEE International Symposium on High-Performance Computer Architecture (HPCA), February 2014.
• [SC] Lihang Zhao, Lizhong Chen, and Jeffrey Draper, "PUNO: Predictive Unicast and Notification to Mitigate the Mismatch between Coherence Protocol and Conflict Detection in HTM" (short paper), in the International Conference on High Performance Computing, Networking, Storage and Analysis (SC), November 2013.
• [ICS] Ruisheng Wang, Lizhong Chen and Timothy Pinkston, "Bubble Coloring: Avoiding Routing- and Protocol-induced Deadlocks With Minimal Virtual Channel Requirement", in Proc. of the ACM International Conference on Supercomputing (ICS), June 2013.
• [IPDPS] Lizhong Chen, Kai Hwang and Timothy Pinkston, "RAIR: Interference Reduction in Regionalized Networks-on-Chip", in Proc. of the 27th IEEE International Parallel & Distributed Processing Symposium (IPDPS), May 2013.
• [IPDPS] Ruisheng Wang, Lizhong Chen and Timothy Pinkston, "An Analytical Performance Model for Partitioning Off-Chip Memory Bandwidth", in Proc. of the 27th IEEE International Parallel & Distributed Processing Symposium (IPDPS), May 2013.
• [HPCA] Lizhong Chen and Timothy Pinkston, "Worm-bubble Flow Control", in Proc. of the 19th IEEE International Symposium on High-Performance Computer Architecture (HPCA), February 2013.
• [HPCA] Lihang Zhao, Woojin Choi, Lizhong Chen and Jeffery Draper, "In-Network Traffic Regulation for Transactional Memory", in Proc. of the 19th IEEE International Symposium on High-Performance Computer Architecture (HPCA), February 2013.
• [JPDC] Lizhong Chen, Ruisheng Wang and Timothy Pinkston, "Efficient Implementation of Globally-aware Network Flow Control", in Journal of Parallel and Distributed Computing (JPDC), volume 72, issue 11, 2012.
• [MICRO] Lizhong Chen and Timothy Pinkston, "NoRD: Node-Router Decoupling for Effective Power-gating of On-Chip Routers", in Proc. of the 45th IEEE/ACM International Symposium on Microarchitecture (MICRO), December 2012.
• [IPDPS] Lizhong Chen, Ruisheng Wang and Timothy Pinkston, "Critical Bubble Scheme: An Efficient Implementation of Globally-aware Network Flow Control", in Proc. of the 25th IEEE International Parallel & Distributed Processing Symposium (IPDPS), May 2011.

Copyright Notice:
Permission to make copies of all or part of this material is granted without fee provided that copies are not made or distributed for profit or commercial advantage. To copy otherwise, or to repost, requires prior permission of the copyright holders.

Research Experiences

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• SMART Interconnects Group, University of Southern California, USA
  Research Assistant, 2009.8 ~ Present
  Energy-efficient on-chip networks
  Low-cost and high-performance deadlock-free schemes
  Architecture optimizations for parallel execution of multiple applications
  Collaborative research: transactional memory, cache partitioning, computer-aided design
  Advisor: Prof. Timothy M. Pinkston
• Institute of VLSI Design, Zhejiang University, China
  Undergraduate Research Assistant, 2008.9 ~ 2009.6
  Low Power Communication for Multiprocessor System-on-Chip
  Advisor: Prof. Xiaolang Yan, Prof. Yun Pan
• Design Automation Laboratory, University of California Los Angeles (UCLA)
  Summer Research Intern, 2008.7 ~ 2008.9
  FPGA implementation of entropy coding block in H.264 video encoder
  Cross-disciplinary Scholars in Science and Technology (CSST) program
• Institute of VLSI Design, Zhejiang University, China
  Undergraduate Research Assistant, 2007.7 ~ 2008.6
  Design of low-power quasi-resonant fly-back Switch Model Power Supply
  Advisor: Prof. Xiaobo Wu

Graduate Courses

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• Core courses

Computer Systems Architecture (top 1)

VLSI System Design (top 1)

Analysis of Algorithms (top 1)

Parallel and Distributed Computing (top 1)



• Complete list
A list of graduate-level courses that I have taken, categorized by area.

Honors & Awards

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2014	USC PhD Achievement Award Nomination
2014	Chinese Government Award for Outstanding Self-Financed Students Abroad
2013	Best Poster Award Nomination, ACM/IEEE Supercomputing (SC)
2013	Honorable Mention for Best Paper Award, 3rd Annual Ming Hsieh Institute Research Festival
2013	TCPP Travel Award for IPDPS
2013	NSF Student Travel Grant for HPCA
2012	ACM SIGMICRO Travel Grant for MICRO
2009	Chu Kochen Award (the highest honor in Zhejiang University, top 0.05%, awardee’s achievement written in the annals of university history)
2009	Best Bachelor Thesis Award in EE, Zhejiang University
2009	Outstanding Graduate Award, Zhejiang University
2008	National Scholarship, Ministry of Education of China
2008	Cross-disciplinary Scholar in Science and Technology, UCLA
2007	National Students Innovative Scholarship, Ministry of Education of China
2006 ~ 2008	1st Class Academic Scholarship every year, Zhejiang University
2006 ~ 2008	1st Class Excellent Student Scholarship every year, Zhejiang University

since 04/03/2011