Gyuhyeon Lee, Ph.D. (이규현)

MangoBoost, Inc.
7F, 2072, Nambusunhwan-ro, Gwanak-gu, Seoul, Republic of Korea
E-mail: gyuhyeon.lee /at/ mangoboost.io

Research Interests

• CPU microarchitecture design
• Simulator verification
• Cryogenic computing

Employment

• MangoBoost, Inc., Seoul, Republic of Korea
  • Oct. 2022 – Current
• NAVER Corp., Seongnam, Republic of Korea
  • Jul. 2021 – Oct. 2022

Education

• Seoul National University (SNU), Seoul, Republic of Korea
  • Ph.D. in Electrical and Computer Engineering
  • Advisor: Prof. Jangwoo Kim
  • Mar. 2017 – Feb. 2022
• Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
  • M.S. in Computer Science and Engineering
  • Advisor: Prof. Jangwoo Kim
  • Mar. 2015 – Feb. 2017
• Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
  • B.S. in Computer Science and Engineering, Summa Cum Laude
  • Mar. 2011 – Feb. 2015

Publications

1. CryoGuard: A Near Refresh-Free Robust DRAM Design for Cryogenic Computing
   Gyu-Hyeon Lee, Seongmin Na, Ilkwon Byun, Dongmoon Min, and Jangwoo Kim
   Proceedings of the 48th International Symposium on Computer Architecture (ISCA), June 2021.
   
2. A Next-Generation Cryogenic Processor Architecture
   *Ilkwon Byun, *Dongmoon Min, Gyu-Hyeon Lee, Seongmin Na, and Jangwoo Kim
   IEEE Micro Special Issue: Top Picks from Computer Architecture Conferences (IEEE MICRO Top Picks), May/June 2021.
   (*Two authors contributed equally to the paper.)
3. CryoCore: A Fast and Dense Processor Architecture for Cryogenic Computing
   *Ilkwon Byun, *Dongmoon Min, Gyu-Hyeon Lee, Seongmin Na, and Jangwoo Kim
   Proceedings of the 47th International Symposium on Computer Architecture (ISCA), June 2020.
   (*Two authors contributed equally to the paper.)
4. CryoCache: A Fast, Large, and Cost-Effective Cache Architecture for Cryogenic Computing
   Dongmoon Min, Il-Kwon Byun, Gyu-Hyeon Lee, Seongmin Na, and Jangwoo Kim
   Proceedings of the Twenty-Fifth International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS), March 2020.
5. Cryogenic computer architecture modeling with memory-side case studies
   *Gyu-Hyeon Lee, *Dongmoon Min, *Ilkwon Byun, and Jangwoo Kim
   Proceedings of the 46th International Symposium on Computer Architecture (ISCA), June 2019.
   (*Three authors contributed equally to the paper.)
6. DiagSim: Systematically Diagnosing Simulators for Healthy Simulations
   Jae-Eon Jo, Gyu-Hyeon Lee, Hanhwi Jang, Jaewon Lee, Mohammadamin Ajdari, and Jangwoo Kim
   ACM Transactions on Architecture and Code Optimization (TACO), April 2018.
7. StressRight: Finding the Right Stress for Accurate In-development System Evaluation
   Jaewon Lee, Hanhwi Jang, Jae-eon Jo, Gyu-hyeon Lee, and Jangwoo Kim
   Proceeding of the 2017 IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS), April 2017.

Honors and Awards

• KFAS Graduate Student Scholarship
  • Korea Foundation for Advanced Study (KFAS)
  • Mar. 2018 – Feb. 2022
• National Science and Engineering Scholarship
  • Korea Student Aid Foundation (KOSAF)
  • Mar. 2011 – Feb. 2015

Teaching Experience

• Teaching Assistant
  • SNU, ECE636: Computer Organization and Design (Fall 2018)
  • SNU, ECE636: Computer Organization and Design (Fall 2017)
  • SNU, ECE322: Computer Organization (Spring 2017)
  • POSTECH, CSED211: Microprocessor Application and Assembly Programming (Fall 2016)
  • POSTECH, CSED311: Computer Architecture (Spring 2015)