Seyong Lee
Computer Scientist in Future Technologies Group, Oak Ridge National Laboratory
CV :
Address : 		PDF
5100, MS 6173
P. O. Box 2008
Oak Ridge, TN 37831-9984
E-Mail Address:
lees2 AT ornl DOT gov

Research Interest

  • Parallel Programming and Compile-time/Runtime Performance Optimization on emerging hardware architectures including multi-cores and hardware accelerators
  • Program Analysis and Optimizing Compiler for high-performance computing
  • Internet Computing / Grid Computing and Sharing

    • Education

  • Ph.D., School of ECE, Purdue University, West Lafayette, IN (May 2011)
             Advisor: Professor Rudolf Eigenmann
  • M.S., School of ECE, Purdue University, West Lafayette, IN (May 2004)
             Advisor: Professor Rudolf Eigenmann
  • B.S., School of Electrical Engineering, Seoul National University, South Korea (Feb. 1999)
             Advisor: Professor Beom Hee Lee

    • Research Projects

  • Cosmic Castle: DARPA Domain Specific Systems on a Chip
  • RAPIDS: SciDAC Institute for Computer Science and Data
  • PROTEAS: PROgramming Toolchain for Emerging Architectures and Systems
  • CLACC: OpenACC Support in Clang and LLVM
  • OpenARC: Open Accelerator Research Compiler
  • Aspen: Abstract Scalable Performance Engineering Notation
  • ARES: Abstract Representations for the Extreme-Scale Stack
  • Vancouver: Productivity software for scalable heterogeneous computing
  • Oxbow: Application Characterization and Performance Analytics for Exascale Co-Design
  • Productive GPU Programming Environment
  • OpenMP to GPU: Automatic translation and adaptation of OpenMP-based shared-memory programs onto GPUs
  • ATune: Compiler-Driven Adaptive Execution
    1. Created a tuning system, which adaptively optimizes MPI applications in a distributed system.
    2. This project is parts of a larger effort that aims at creating a global information sharing system, where resources, such as software applications, computer platforms, and information can be shared, discovered, adapted to local needs.
  • iShare: Internet-sharing middleware and collaboration
    1. Developed domain-specific ranking and content search mechanisms for P2P-based Grid environment.
    2. Developed resource-availability-prediction mechanism for fine-grained cycle sharing system.
  • MaRCO: MapReduce with Communication Overlap
    1. Developed efficient communication overlapping mechanisms to increase the performance of Google's MapReduce system.

    Professional Service

  • Member of the OpenACC Technical Committee and Test-Suite Committee (OpenACC-standard.org)
  • Member of OpenMP Language Committee and OpenMP Accelerator Subcommittee
  • Member of SEED Review Committee, Computer Science and Mathematics Division, Oak Ridge National Laboratory
  • Member of Science Council, Computer Science and Mathematics Division, Oak Ridge National Laboratory
  • Member of the NVIDIA PathForward Working Group, Exascale Computing Project PathForward Program
  • Award Committee Member for 2017 IEEE CS TCHPC Award for Excellence for Early Career Researchers in High Performance Computing, 2017
  • Award Committee Member for 2018 Computer Science and Mathematics Division Awards, 2018
  • Science and Innovation Culture Metric Committee, Computing and Computational Science Directorate, Oak Ridge National Laboratory, 2016
  • Guest Editor for the Special Issue on "High Performance Reconfigurable Computing" in Journal of Algorithms
  • Program Committee Member : SC (2018), ASPLOS (2018), IPDPS(2017, 2018, and 2019), HiPC (2019), Euro-Par (2017 and 2019), ICPADS(2013, 2014, 2015, 2016, and 2017), PPoPP (2014), CCGrid (2015, 2016, and 2017), ADVCOMP (2017 and 2018), ICPP (2013), CANDAR (2016), PLC (2015), WRAp (2015, 2017, and 2018), WACCPD (2014, 2015, 2016, 2017, and 2018), AsHES (2016, 2017, 2018, and 2019), LHAM (2016, 2017, and 2018), ISPA (2017 and 2018), IPCCC (2018), and HIPS (2019)
  • External Reviewer (Journals, Conferences, Workshops, and research proposals)
  • Journals: IEEE Micro (2017), IJHPC (2012, 2015, 2016, and 2018), TPDS (2014, 2016, and 2018), IJPP (2018), ToMPECS (2015), ParCo (2013, 2015, 2017, and 2018), CyS (2015), JPDC (2009), ACMTACO (2013 and 2014), SOSYM (2011), SPE (2010), TWMS (2017), JES (2017), IJHPCN (2017), Computers (2017), TC (2017), FGCS (2018), OpenCS (2018), SoftwareX (2018), VLSI (2018), and Scientific Programming (2019)
  • Conferences: PACT (2010 and 2012), PLDI (2011), IPDPS (2010 and 2013), ICS (2008, 2011, 2013, and 2016), SC (2007 and 2013), CGO (2013 and 2014), HiPC (2009 and 2010), ICDCS (2006), ICPE (2011), GPC (2007 and 2008), INPAR (2012)
  • Workshops: LCPC (2006, 2007, 2011, and 2014), IWOMP (2007, 2009, and 2011), APPT (2011), PCGrid (2008), EPHAM (2008 and 2009)
  • Research Proposals: The General Research Fund, the Research Grants Council of Hong Kong (2011), Department of Energy (DOE) Office of Science Small Business Innovation Research (SBIR) & Small Business Technology Transfer (STTR) program (2015)

    • Recent Publications (Full Publication List)

    Seyong Lee, John Gounley, Amanda Randles, and Jeffrey S. Vetter. Performance Portability Study for Massively Parallel Computational Fluid Dynamics Application on Scalable Heterogeneous Architectures, Journal of Parallel and Distributed Computing (JPDC), 2019.

    Joel E. Denny, Seyong Lee, and Jeffrey S. Vetter. Clacc: Translating OpenACC to OpenMP in Clang, IEEE/ACM 5th Workshop on the LLVM Compiler Infrastructure in HPC (LLVM-HPC), in conjunction with SC18, Dallas, Texas, USA, 2018

    Mehmet E. Belviranli, Seyong Lee, and Jeffrey S. Vetter. Programming the EMU Architecture: Algorithm Design Considerations for Migratory-threads-based Systems , SC18: ACM/IEEE International Conference for High Performance Computing, Networking, Storage and Analysis, Poster, Dallas, Texas, USA, 2018.

    Seyong Lee, Jacob Lambert, Jungwon Kim, Jeffrey S. Vetter, and Allen D. Malony. OpenACC to FPGA: A Directive-Based High-Level Programming Framework for High-Performance Reconfigurable Computing SC18: ACM/IEEE International Conference for High Performance Computing, Networking, Storage and Analysis, Poster, Dallas, Texas, USA, 2018.

    Pak Markthub, Mehmet E. Belviranli, Seyong Lee, Jeffrey S. Vetter, and Satoshi Matsuoka. DRAGON: Breaking GPU Memory Capacity Limits with Direct NVM Access, SC18: ACM/IEEE International Conference for High Performance Computing, Networking, Storage and Analysis, Dallas, Texas, USA, 2018.

    Michael Wolfe, Seyong Lee, Jungwon Kim, Xiaonan Tian, Rengan Xu, Barbara Chapman, Sunita Chandrasekaran. The OpenACC data model: Preliminary study on its major challenges and implementations, Parallel Computing: systems & applications, Volume 27, Pages 15-27, 2018.

    Mehmet E. Belviranli, Seyong Lee, and Jeffrey S. Vetter. Designing Algorithms for the EMU Migrating-threads-based Algorithms, HPEC18: IEEE High Performance Extreme Computing Conference, Best Paper Finalist, September 2018.

    Jacob B. Lambert, Seyong Lee, Jungwon Kim, and Jeffrey S. Vetter. High-Level Programming and Optimizations for High-Performance Computing with FPGAs, 32nd ACM International Conference on Supercomputing (ICS), Beijing, China, 2018.

    Ivy Bo Peng, Jeffrey S. Vetter, Shirley V. Moore, and Seyong Lee. Tuyere: Enabling Scalable Memory Workloads for System Exploration, Proceedings of the ACM Symposium on High-Performance and Distributed Computing (HPDC), Tempe, Arizona, USA, 2018.

    Pak Markthub, Mehmet E. Belviranli, Seyong Lee, Jeffrey S. Vetter, and Satoshi Matsuoka, Efficiently Enlarging GPU Memory Capacity with NVM, GPU Technology Conference, Poster, San Jose, California, USA, 2018.

    Mehmet E. Belviranli, Seyong Lee, Jeffrey S. Vetter, and Laxmi N. Bhuyan. Juggler: A Dependency-Aware Task Based Execution Framework for GPUs, Proceedings of ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming (PPoPP), Vösendorf/Wien, Austria, 2018.

    Gregory Herschlag, Amanda Randles, Seyong Lee, and Jeffrey S. Vetter. GPU Data Access on Complex Geometries for D3Q19 Lattice Boltzmann Method, 32th IEEE International Parallel & Distributed Processing Symposium (IPDPS), Vancouver, British Columbia, CANADA, 2018.

    Kaixi Hou, Hao Wang, Wu-chun Feng, Jeffrey S. Vetter, and Seyong Lee. Highly Efficient Compensation-based Parallelism for Wavefront Loops on GPUs, 32th IEEE International Parallel & Distributed Processing Symposium (IPDPS), Vancouver, British Columbia, CANADA, 2018.

    Seyong Lee. A Framework for Directive-Based High-Performance Reconfigurable Computing, OpenACC for Programmers: Concepts and Strategies, Book Chapter, 2017.

    Jungwon Kim, Seyong Lee, and Jeffrey S. Vetter. PapyrusKV: A High-Performance Parallel Key-Value Store for Distributed NVM Architectures, SC17: ACM/IEEE International Conference for High Performance Computing, Networking, Storage and Analysis, Denver, Colorado, USA, November 2017. (61/327, 18.6%)

    Michael Wolfe, Seyong Lee, Jungwon Kim, Xiaonan Tian, Rengan Xu, Sunita Chandrasekaran, and Barbara Chapman, Implementing the OpenACC Data Model, The Seventh International Workshop on Accelerators and Hybrid Exascale Systems (AsHES) in conjunction with IPDPS17, 2017.

    Joel E. Denny, Seyong Lee, and Jeffrey S. Vetter, Language-Based Optimizations for Persistence on Nonvolatile Main Memory Systems, 31th IEEE International Parallel & Distributed Processing Symposium (IPDPS), 2017.

    Jungwon Kim, Kittisak Sajjaponse, Seyong Lee, and Jeffrey S. Vetter, Design and Implementation of Papyrus: Parallel Aggregate Persistent Storage, 31th IEEE International Parallel & Distributed Processing Symposium (IPDPS), 2017.

    David E. Bernholdt, Wael R. Elwasif, Christos Kartaklis, Seyong Lee, and Tiffany M. Mintz, Programmer-Guided Reliability for Extreme-Scale Applications, International Journal of High Performance Computing Applications, 2016.

    Joel E. Denny, Seyong Lee, and Jeffrey S. Vetter, NVL-C: Static Analysis Techniques for Efficient, Correct Programming of Non-Volatile Main Memory Systems, Proceedings of the ACM Symposium on High-Performance and Distributed Computing (HPDC), 2016.

    Jungwon Kim, Seyong Lee, and Jeffrey S. Vetter, IMPACC: A Tightly Integrated MPI+OpenACC Framework Exploiting Shared Memory Parallelism, Proceedings of the ACM Symposium on High-Performance and Distributed Computing (HPDC), 2016.

    Seyong Lee, Jungwon Kim, and Jeffrey S. Vetter, OpenACC to FPGA: A Framework for Directive-Based High-Performance Reconfigurable Computing, 30th IEEE International Parallel & Distributed Processing Symposium (IPDPS), 2016.

    David E. Bernholdt, Wael R. Elwasif, Christos Kartaklis, Seyong Lee, and Tiffany M. Mintz, Programmer-Guided Reliability for Extreme-Scale Applications, 1st International Workshop on Fault Tolerant Systems (FTS) in conjunction with IEEE Cluster, 2015.

    Joel E. Denny, Seyong Lee, and Jeffrey S. Vetter, FITL: extending LLVM for the translation of fault-injection directives, Proceedings of the Second Workshop on the LLVM Compiler Infrastructure in HPC (LLVM) in conjunction with SC15, 2015.

    Amit Sabne, Putt Sakdhnagool, Seyong Lee, and Jeffrey S. Vetter, Understanding Portability of a High-level Programming Model on Contemporary Heterogeneous Architectures, IEEE Micro, 2015.

    Seyong Lee, Jeremy S. Meredith, and Jeffrey S. Vetter, COMPASS: A Framework for Automated Performance Modeling and Prediction, ACM International Conference on Supercomputing (ICS15), 2015.

    Jungwon Kim, Seyong Lee, and Jeffrey S. Vetter, An OpenACC-based Unified Programming Model for Multi-accelerator Systems, Proceedings of the 20th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming (PPoPP), Poster, 2015.