Ilkwon Byun    Research Assistant Professor    Faculty of Information Science and Electrical Engineering    Kyushu University        Lab: Cyber-Physical Computing (CPC) Laboratory    Email: ilkwon.byun@cpc.ait.kyushu-u.ac.jp    Office: Room 755, West building #2    [Google Scholar] [dblp]

Biography

I am currently a research assistant professor in the Faculty of Information Science and Electrical Engineering at Kyushu University.

Before joining Kyushu University, I earned my PhD and BSc in Electrical and Computer Engineering from Seoul National University under the supervision of Prof. Jangwoo Kim.

Research Interests

• Computer System Modeling, Simulation, and Analysis
• Cryogenic and Superconducting Computer Systems
• Fault-tolerant Quantum Computer Systems

Academic Service

• 2025: HPCA (PC)
• 2024: HPCA (ERC), MICRO (ERC)

• 2024: QUEST

Honors and Awards

• Google PhD Fellowship
  • Google Research
  • Research area - Quantum Computing
  • September 2022
  
  
• IEEE MicroTop Picks from the Computer Architecture Conferences
  • A Next-Generation Cryogenic Processor Architecture (one of 12 papers selected in 2021)
  • Superconductor Computing for Neural Networks (one of 12 papers selected in 2021)
  • May 2021

Publications

1. SuperCore: An Ultra-Fast Superconducting Processor for Cryogenic Applications
   *Junhyuk Choi, *Ilkwon Byun, Juwon Hong, Dongmoon Min, Junpyo Kim, Jungmin Cho, Hyeonseong Jeong, Masamitsu Tanaka, Koji Inoue, and Jangwoo Kim
   IEEE/ACM International Symposium on Microarchitecture (MICRO), November 2024. *co-first authors.
   


2. CoolDC: A Cost-Effective Immersion-Cooled Datacenters with Workload-Aware Temperature Scaling
   Dongmoon Min, Ilkwon Byun, Gyuhyeon Lee, and Jangwoo Kim
   ACM Transactions on Architecture and Code Optimization (TACO), May 2024.
   


3. A Fault-Tolerant Million Qubit-Scale Distributed Quantum Computer
   Junpyo Kim, Dongmoon Min, Jungmin Cho, Hyeonseong Jeong, Ilkwon Byun, Junhyuk Choi, Juwon Hong, and Jangwoo Kim
   ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS), April 2024.
   


4. Fast, Light-Weight, and Accurate Performance Evaluation using Representative Datacenter Behavior
   Jaewon Lee, Dongmoon Min, Ilkwon Byun, Hanhwi Jang, and Jangwoo Kim
   ACM/IFIP/USENIX International Middleware Conference (MIDDLEWARE), December 2023.
   


5. QIsim: Architecting 10+K Qubit QC Interfaces Toward Quantum Supremacy
   Dongmoon Min, Junpyo Kim, Junhyuk Choi, Ilkwon Byun, Masamitsu Tanaka, Koji Inoue, and Jangwoo Kim
   IEEE/ACM International Symposium on Computer Architecture (ISCA), June 2023.
   


6. XQsim: Modeling Cross-technology Control Processors for 10+K Qubit Quantum Computers
   Ilkwon Byun, Junpyo Kim, Dongmoon Min, Ikki Nagaoka, Kosuke Fukumitsu, Iori Ishikawa, Teruo Tanimoto, Masamitsu Tanaka, Koji Inoue, and Jangwoo Kim
   IEEE/ACM International Symposium on Computer Architecture (ISCA), June 2022.
   


7. CryoWire: Wire-driven Microarchitecture Designs for Cryogenic Computing
   Dongmoon Min, Yujin Chung, Ilkwon Byun, Junpyo Kim, and Jangwoo Kim
   ACM International Conference on Architectural Support for Programming Languages and Operating System (ASPLOS), March 2022.
   


8. CryoGuard: A Near Refresh-Free Robust DRAM Design for Cryogenic Computing
   Gyuhyeon Lee, Seongmin Na, Ilkwon Byun, Dongmoon Min, and Jangwoo Kim
   IEEE/ACM International Symposium on Computer Architecture (ISCA), June 2021.
   


9. Superconductor Computing for Neural Networks
   *Koki Ishida, *Ilkwon Byun, Ikki Nagaoka, Kosuke Fukumitsu, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Jangwoo Kim, and Koji Inoue
   IEEE Micro Special Issue: Top Picks from Computer Architecture Conferences (IEEE MICRO Top Picks), May/June 2021. *co-first authors.
   


10. A Next-Generation Cryogenic Processor Architecture
    *Ilkwon Byun, *Dongmoon Min, Gyuhyeon Lee, Seongmin Na, and Jangwoo Kim
    IEEE Micro Special Issue: Top Picks from Computer Architecture Conferences (IEEE MICRO Top Picks), May/June 2021.*co-first authors.
    


11. SuperNPU: An Extremely Fast Neural Processing Unit Using Superconducting Logic Devices
    *Koki Ishida, *Ilkwon Byun, Ikki Nagaoka, Kosuke Fukumitsu, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Jangwoo Kim, and Koji Inoue
    IEEE/ACM International Symposium on Microarchitecture (MICRO), October 2020. *co-first authors.
    


12. CryoCore: A Fast and Dense Processor Architecture for Cryogenic Computing
    *Ilkwon Byun, *Dongmoon Min, Gyuhyeon Lee, Seongmin Na, and Jangwoo Kim
    IEEE/ACM International Symposium on Computer Architecture (ISCA), June 2020. *co-first authors.
    


13. CryoCache: A Fast, Large, and Cost-Effective Cache Architecture for Cryogenic Computing
    Dongmoon Min, Ilkwon Byun, Gyuhyeon Lee, Seongmin Na, and Jangwoo Kim
    ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS), March 2020.
    


14. Cryogenic Computer Architecture Modeling with Memory-Side Case Studies
    *Gyu-Hyeon Lee, *Dongmoon Min, *Ilkwon Byun, and Jangwoo Kim
    IEEE/ACM International Symposium on Computer Architecture (ISCA), June 2019. *co-first authors.
    

Invited Talks

1. Scalable Control System Architecture for Large-scale Superconducting Quantum Computers
   • Quantum software, middleware, and controller for near-term quantum computing systems, Osaka, Japan, October 2024


2. Scalable Control System Architecture for Million qubit Superconducting Quantum Computers
   • Nanofiber Quantum Technologies (NanoQT), Tokyo, Japan, September 2024


3. XQsim & QIsim: Architectural Exploration Framework for Scalable Quantum Control System Design
   • NEC-AIST Quantum Technology Cooperative Resarch Laboratory, Tsukuba, Japan, July 2024


4. Superconductor Computer Architecture: from Classical to Quantum
   • U.S.-Japan Collaborative Workshop: Accelerating IC Design, Fukuoka, Japan, May 2024


5. Architecting Large-Scale Quantum Computer Systems using an End-to-End Quantum Computer Simulator
   • University of Michigan (Ann Arbor), Michigan, USA, September 2023


6. Full-Stack Simulation Framework for Cryogenic, Superconductor, and Fault-Tolerant Quantum Computing
   • International Symposium on Microarchitecture (MICRO) Workshops & Tutorials, Chicago, USA, October 2022


7. Toward Next-Generation Computer Systems: Cryogenic, Superconductor, and Quantum Computer Architecture
   • Superconducting SFQ VLSI Workshop (SSV), Kyoto, Japan, September 2022


8. XQsim: Modeling Cross-technology Control Processors for 10+K Qubit Quantum Computers
   • International Symposium on Computer Architecture (ISCA), New York, USA, June 2022


9. CryoCore: A Fast and Dense Processor Architecture for Cryogenic Computing
   • International Symposium on Computer Architecture (ISCA), Virtual, June 2020