CV

General Information

Name Hyunwuk Lee
Contact hyunwulee0519[at]gmail[dot]com
Languages Korean (native), English (fluent)

Academic Projects

  • Neural Network Accelerators
    • Complex Valued Neural Networks [First author, MICRO 2023], [First author, Under Review]
    • Large Language Models [Co-author, ICCD 2024], [Co-author, On-going]
    • Diffusion Models [Co-First-author, Accepted in HPCA 2025], [Co-author, On-going]
  • GPU and GPU Memory Systems
    • Unified Memory Systems [Co-author, ISPASS 2023]
    • GPU Register Files [Co-author, JSA] [Co-author, ISPLED 2024]
    • Multi-GPU Data Transfer [Co-author, Under Review] [Co-author, JSA<\a>]
    • Multi-Instance GPU [Co-author, On-going]
  • Systems for Machine Learning
    • AI Workloads Acceleration in Mobile SoC [Co-author, On-going]
    • Multi-Core Accelerator Scheduling [Co-author, Under Review]
    • Processing in Memory for Sparse DNN [Co-author, Under Review]
  • Others
    • Approximate Memory for Neural Networks [US Patent]
    • Analytic Model for Multi-Core Systems [Co-author, Under Review]
    • Diffusion Models [Co-author, Under Review]

Education

  • 2018 - 2024
    Integrated Master and Ph.D. Degree in Computer Architecture
  • 2014-2018
    B.S. in Electrical and Electronic Engineering
    • Yonsei University, Korea
    • Advised by Won Woo Ro

Publication

  • HPCA 2025
    Ditto: Accelerating Diffusion Model via Temporal Value Similarity (Accepted)
    Sungbin Kim*, Hyunwuk Lee*, Wonho Cho, Mincheol Park, and Won Woo Ro (*Co-first author)
  • ICCD 2024
    AirGun: Adaptive Granularity Quantization for Accelerating Large Language Models [PDF]
    Sungbin Kim, Hyunwuk Lee, Sungwoo Kim, Cheolhwan Kim, and Won Woo Ro
  • ISLPED 2024
    GUMSO: Gating Unnecessary On-Chip Memory Slices for Power Optimization on GPUs [PDF]
    Seunghyun Jin, Hyunwuk Lee, and Won Woo Ro
  • JSA 2024
    SHREG: Mitigating Register Redundancy in GPUs [PDF]
    Seunghyun Jin, Hyunwuk Lee, Jonghyun Lee, Junsung Kim, and Won Woo Ro
  • MICRO 2023
    Exploiting Inherent Properties of Complex Numbers for Accelerating Complex Valued Neural Networks [PDF]
    Hyunwuk Lee, Hyungjun Jang, Sungbin Kim, Sungwoo Kim, Wonho Cho, and Won Woo Ro
  • ISPASS 2023
    Early-Adaptor: An Adaptive Framework for Proactive UVM Memory Management [PDF]
    Seokjin Go, Hyunwuk Lee, Junsung Kim, Jiwon Lee, Myung Kuk Yoon, and Won Woo Ro

Professional Experience

  • Fall 2024 -
    System Architect
    Samsung Electronic, Korea (Solution Platform Development)
  • Spring 2018
    Teaching Assistant
    Yonsei University, Korea (EEE3530: computer architecture)
  • 2017
    Research Intern
    eSCaL at Yonsei University, Korea

Honors and Awards

  • 2021
    SK Hynix Industry-Academic Research Project Outstanding Invention

Industry Project

  • 2024
    Memory-Centric Architecture using the Reconfigurable PIM Devices
    Institute for Information & communication Technology Planning & evaluation (IITP), Korea
  • 2022-2024
    Developing Data Processing Unit for AI Workloads
    Korea Evaluation Institute of Industrial Technology (KEIT), Korea
  • 2021-2022
    Analysis on High Performance GPU Workloads and Architecture Design
    Samsung Advanced Institute of Technology, Korea
  • 2021-2022
    Development of High Performance Multi-GPU Memory System
    National Research Foundation of Korea (NRF) , Korea
  • 2020-2024
    Architectural Exploration of Parallel Execution Processing Units for Supercomputer CPU
    National Research Foundation of Korea (NRF), Korea
  • 2018-2019
    Performance Analysis of Neural Network Workloads and Development of Energy Efficient Approximate Memory for Neural Networks
    SK Hynix, Korea

Patents

  • Memory device including a plurarity of area having different refresh periods, memory controller controlling the same and memory system including the same
    • US Patent 11276452, Korea Application 10-2020-0045023
  • A method for neural network processing including memory-optimization techniques
    • Korea Application 10-2022-0041848
  • Apparatus and method with register sharing
    • US Application 18/ 315576, Korea Application 10-2022-0074653
  • Memory management unit and method of walking page table
    • US Application 18/502058, Korea Application 10-2022-0175909
  • Memory management apparatus and method for UVM
    • Korea Application 10-2023-0076606
  • Polar Form Aware Apparatus and Method for Complex Valued Neural Network and Rectangular Form Conversion Apparatus
    • Korea Application 10-2023-0158538