Interests

• Computer Architecture

• AI Acceleration Systems

  • Neural Processing Unit (NPU)

  • AI Compiler

  • LLM Serving System

• Near-data Processing & Processing in Memory

Publications

PyTorchSim: A Comprehensive, Fast, and Accurate NPU Simulation Framework

The 58th IEEE/ACM International Symposium on Microarchitecture (MICRO) (Acceptance rate: 20.8%)

Wonhyuk Yang*, Yunseon Shin*, Okkyun Woo*, Geonwoo Park, Hyungkyu Ham, Jeehoon Kang, Jongse Park, Gwangsun Kim (*: co-first authors)

Low-overhead General-purpose Near-Data Processing in CXL Memory Expanders

The 57th IEEE/ACM International Symposium on Microarchitecture (MICRO) (Acceptance rate: 22.7%)

Hyungkyu Ham*, Jeongmin Hong*, Geonwoo Park, Yunseon Shin, Okkyun Woo, Wonhyuk Yang, Jinhoon Bae, Eunhyeok Park, Hyojin Sung, Euicheol Lim, Gwangsun Kim (*: co-first authors)

ONNXim: A Fast, Cycle-level Multi-core NPU Simulator

IEEE Computer Architecture Letters (CAL)

Hyungkyu Ham*, Wonhyuk Yang*, Yunseon Shin, Okkyun Woo, Guseul Heo, Sangyeop Lee, Jongse Park, Gwangsun Kim (*: co-first authors)

Compiler-integrated, High-speed Simulation Methodology for Designing AI Accelerators

In Proceedings of the Korea Computer Congress (KCC)

Wonhyuk Yang, Yunseon Shin, Okkyun Woo, Geonwoo Park, Hyungkyu Ham, Gwangsun Kim

Road Image Recognition Technology based on Deep Learning Using TIDL NPU in SoC Enviroment

Smart Media Journal

Yunseon Shin, Juhyun Seo, MinYoung Lee, Injung Kim

PoLG-Net: Driver Monitoring Multitask Model for Head Pose, Facial Landmark, and Gaze Estimation

In Proceedings of the Korea Software Congress (KSC)

Yunseon Shin, Hayun Park, Younghyun Shin, Sehyun Lee, Kihyun Na, Injung Kim

Education

• 2023 - present     Integrated M.S.,/Ph.D. in Department of Computer Science and Engineering, POSTECH

• 2019 - 2022 B.S. in Department of Computer Science and Electronic Engineering, Handong Global University

Academic Services

Artifact Evaluation Committee Member 

• International Symposium on Performance Analysis of Systems and Software (ISPASS): 2025

Teaching Experiences

Teaching Assistant

• CSED702D (Computer System Design) - POSTECH, Fall 2025

• CSED311 (Computer Architecture) - POSTECH, Spring 2024

• GEK10097 (Calculus 3) - Handong Global University, Spring, Fall 2022

• GEK10095 (Caculus 1) - Handong Global University, Spring 2020

• GEK10053 (Differential Equation and Applications) - Handong Global University, Spring 2020

• ITP20010 (Computer Vision) - Handong Global University, Fall 2021

• ITP20001 (Data Structure) - Handong Global University, Spring 2021

Award and Honors

• National Science and Technology Scholarship - Korea Research Foundation. (2021-2022)

• Academic Excellence Scholarship - Handong Global University (2020-2, 2021-1)

• Best Paper Award - Korean Institute of Smart Media (2021)