(Last update: Nov. 2025)
Contact Information
Current Affiliation: NAVER CLOUD
Email : gunho1123[at]postech.ac.kr
Educational Backgrounds
[2021/02~2024/08] Ph.D. in Electrical Engineering, POSTECH, Pohang, Republic of Korea
[2019/02~2021/02] M.S. in Electrical Engineering, POSTECH, Pohang, Republic of Korea
[2012/03~2019/02] B.S. in Electrical Engineering, POSTECH, Pohang, Republic of Korea
Professional Experiences
[2024/08~Present] Research Scientist, NAVER CLOUD, Seongnam, Republic of Korea
[2018/01~2024/08] Research Assistant, POSTECH, Pohang, Republic of Korea
[2023/09~2024/02] Research Intern, NAVER CLOUD, Seongnam, Republic of Korea
[2021/09~2022/03] Research Intern, NAVER CLOVA, Seongnam, Republic of Korea
[2018/12~2019/02] Software Engineering Intern, SK Hynix, Icheon, Republic of Korea
[2017/09~2017/12] Exchange Scholarship, Univ. of California, Berkeley, CA, United States
[2017/01~2017/12] Backend Developer Intern, byclip, Seoul, Republic of Korea
Research Interests
Intelligent Mobile System-on-Chip
ASIC/FPGA Implementation
General Purpose Graphic Processing Unit (GPGPU)
Approximate Computing
Deep Learning
Publications
(Since Sep. 2024, updates have been limited to EPIC LAB collaborations.)
International Journal Papers
Gunho Park, Jaeha Kung, and Youngjoo Lee*, "Simplified compressor and encoder designs for low-cost approximate radix-4 Booth multiplier," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, no.3, pp. 1154-1158, Mar. 2023.
Gunho Park, Jaeha Kung, and Youngjoo Lee*, "Design and analysis of approximate compressors for balanced error accumulation in MAC operator," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 7, pp. 2950-2961, July 2021.
International Conference Proceedings
[Accepted] Sunwoo Yoo+, Dongyun Kam+, Gunho Park, Soonhyun Kwon, Dongsoo Lee, and Youngjoo Lee*, "LUT-SSM: A 99.3TFLOPS/W LUT-based state-space model accelerator using energy-efficient element-wise layer fusion and LUT-friendly weight-only quantization," IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, USA, Feb. 2026.
Gunho Park+, Hyeokjun Kwon+, Jiwoo Kim, Jeongin Bae, Baeseong Park, Dongsoo Lee, and Youngjoo Lee*, "FIGLUT: An energy-efficient accelerator design for FP-INT GEMM using look-up tables," IEEE International Symposium on High-Performance Computer Architecture (HPCA), Las Vegas, NV, USA, Mar. 2025.
Gunho Park+, Baeseong Park+, Minsub Kim, Sungjae Lee, Jeonghoon Kim, Beomseok Kwon, Se Jung Kwon, Byeongwook Kim, Youngjoo Lee, and Dongsoo Lee*, "LUT-GEMM: Quantized matrix multiplication based on LUTs for efficient inference in large-scale generative language models," International Conference on Learning Representations (ICLR), Vienna, Austria, May 2024.
Jiwoo Kim, Gunho Park, and Youngjoo Lee*, "Low-power encoder and compressor design for approximate radix-8 Booth multiplier," IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, Singapore, May 2024.
Jung Gyu Min, Dongyun Kam, Younghoon Byun, Gunho Park, and Youngjoo Lee*, "Energy-efficient RISC-V-based vector processor for cache-aware structurally-pruned transformers," ACM/IEEE International Symposium on Low Power Electronics and Design (ISLPED), Vienna, Austria, Aug. 2023.
Eunji Yoo+, Gunho Park+, Jung Gyu Min, Se Jung Kwon, Baeseong park, Dongsoo Lee, and Youngjoo Lee*, "TF-MVP: Novel sparsity-aware transformer accelerator with mixed-length vector pruning," Design Automation Conference (DAC), San Francisco, CA, USA, July 2023.
Younghoon Byun+, Seungsik Moon+, Baeseong Park, Se Jung Kwon, Dongsoo Lee, Gunho Park, Eunji Yoo, Jung Gyu Min, and Youngjoo Lee*, "Sparsity-aware memory interface architecture using stacked XORNet compression for accelerating pruned-DNN models," Conference on Machine Learning and Systems (MLSys), Miami, FL, USA, June 2023.
Domestic Conference Proceedings
심도은, 박군호, 이영주*, "Low-precision posit과 floating-point arithmetic의 정밀도 및 하드웨어 복잡도 분석," 전자공학회 하계종합학술대회, June 2022.
박군호, 궁재하, 김영석, 김미정, 이영주*, "저전력 딥러닝 가속기를 위한 근사 곱셈기 설계 프레임워크," 대한전자공학회 하계종합학술대회, July 2021. (네이버 논문상)
박군호, 윤형석, 이재호, 김영석, 김미정, 이영주*, "FPGA 기반의 고해상도 generative adversarial network 가속기 구현," 제 26회 한국반도체학술대회, Feb. 2019, pp. 825.
이재호, 윤형석, 박군호, 김영석, 김미정, 이영주*, "Super resolution generative adversarial network (SRGAN) 모델 경량화," 제 26회 한국반도체학술대회, Feb. 2019, pp. 826. (Best Poster Award)
Patents
이영주, 박군호, 김영석, "부분곱 생성기, 부분곱 누적기 및 이들을 포함하는 근사 곱셈기," 출원번호: 10-2022-0160911.
Youngjoo Lee, Young-Seok Kim, Hyunhoon Lee, and Gunho Park, "Method and device for high-speed image recognition using 3D CNN," US17/422,161.
Youngjoo Lee, Young-Seok Kim, Hyunhoon Lee, and Gunho Park, "Method and apparatus for high-speed image recognition using 3D convolutional neural network," PCT/KR2020/000647.
이영주, 김영석, 박군호, 이현훈, "동적으로 3D CNN을 이용하는 고속 영상 인식 방법 및 장치," 등록번호: 10-2263005, 출원번호: 10-2019-0005200.
이영주, 김영석, 박군호, 이현훈, "3D CNN을 이용한 고속 영상 인식 방법 및 장치," 등록번호: 10-2263017, 출원번호: 10-2019-0005188.
Open Source Projects
TensorFlow Model Developer - Google x Postech
BASNet: Boundary-Aware Salient Object Detection (link)
DETR: End-to-End Object Detection with Transformers (link)
Pix2Seq: A Language Modeling Framework for Object Detection (link)
Awards and Honors
Best Paper Award (네이버 논문상), Summer Annual Conference of IEIE, 2021.
Best Poster Award, 제 26회 한국반도체학술대회, 2019.
Excellence Award, Intel FPGA Design Contest, 2018.