Gwangsun Kim

Associate Professor @ POSTECH

About

I am an Associate Professor in the Department of Computer Science and Engineering at POSTECH. Before joining POSTECH, I worked at Arm, enhancing Arm processor IPs for server systems. Currently, during my sabbatical, I am also a Principal Research Engineer (Visiting Academic) at Arm (Cambridge, UK), working part-time.

I am passionate about improving computing systems’ performance and efficiency through holistic, cross-layer co-design and optimization. In particular, I strive to create real-world impact through novel yet practical ideas.

Links:

Google Scholar

Employment

Principal Research Engineer (Visiting Academic), Arm, Mar. 2025 – Feb. 2026
Associate/Assistant Professor, POSTECH, Nov. 2018 – Present
Senior Research Engineer, Arm Inc., Mar. 2018 – Oct. 2018
Senior Performance Engineer, Arm Inc., Sep. 2016 – Mar. 2018
Research Intern, NVIDIA, Jun. 2015 – Sep. 2015
Research Intern, Samsung Electronics, Jul. 2014 – Sep. 2014

Education

Ph.D. in Computer Science, KAIST, Feb. 2012 – Aug. 2016
M.S. in Computer Science, KAIST, Feb. 2010 – Feb. 2012
B.S. in Electronic and Electrical Engineering, POSTECH, Mar. 2005 – Feb. 2010
B.S. in Computer Science and Engineering (double major), POSTECH, Mar. 2005 – Feb. 2010

Research Areas

I am interested in various topics in computer architecture and its interaction with different layers of computer system including algorithm, operating system, and programming models. Below are some of the topics I have worked on:

Near-data processing / processing-in-memory
AI system hardware/software
Memory system
Massively parallel architectures (e.g., GPU)
Networking / smart NICs
Large-scale systems (datacenters and supercomputers)
Interconnection networks
Parallel programming models / compilers
Simulation methodology

Publications

See here.

Students

See here.

Academic Services

Program Committee

International Symposium on Microarchitecture (MICRO): 2025
International Symposium on High-Performance Computer Architecture (HPCA): 2024, 2025
International Symposium on Performance Analysis of Systems and Software (ISPASS): 2025
International Conference on Supercomputing (ICS): 2024
International Parallel & Distributed Processing Symposium (IPDPS): 2023
International Symposium on Networks-on-Chip (NOCS): 2020, 2021, 2022, 2023
International Conference on High Performance Computing, Data, and Analytics (HiPC): 2020
International Conference on Computer Design (ICCD): 2017, 2019

External Review Committee

Annual International Symposium on Computer Architecture (ISCA): 2022, 2024

Academic Societies

Vice Chair, ACM SIGARCH Korea Chapter, August 2023 – Present.

Teaching

CSED503: Advanced Computer Architecture, POSTECH, Fall 2020, 2021, 2023
CSED311: Computer Architecture, POSTECH, Spring 2019, 2020, 2021, 2022, 2023, 2024
CSED405: GPU and Accelerated Computing, POSTECH, Fall 2024
CSED490V: Parallel Architecture and Programming, POSTECH, Fall 2019, 2022
CSED499: Research Project, POSTECH, Spring 2019
CSED199: Freshman Research Participation, Fall 2021, Fall 2024

Contact

Email: g.kim at postech dot ac dot kr
Phone: +82-54-279-2260
Office: POSTECH R4 (연구4동) #4411, 67 Cheongam-ro, Nam-gu, Pohang, Gyungbuk, Korea 37673