Hwanjun Lee

Ph.D. Student

Location

Engineering Research Park 212D

lee.hwanjun@dgist.ac.kr

Homepage

CASLAB H.J.LEE

Research Interests

Computer Architecture & Systems
Memory Systems and Hybrid Memory Management for Emerging Memory
Disaggregated Memory Systems (e.g., CXL)

2020~, Ph.D. candidate, Dept. of Electrical Engineering and Computer Science, DGIST
2019~2020, M.S., Dept. of Electrical Engineering and Computer Science, DGIST
2014~2019, B.S., School of Basic Science, DGIST

Publications

* Corresponding Author

MICRO | TOP-Tier | AI System

AMG: AMX–GPU Cooperative Acceleration of Billion-Scale ANNS via GEMM Reformulation

Minho Kim, Houxiang Ji, Hwanjun Lee, Jaeyoung Kang, Sungju Kim, Hyunkyun Shin, Daehoon Kim^*, and Nam Sung Kim

IEEE/ACM International Symposium on Microarchitecture (MICRO), 2026

CAL | SCI | AI System Next-Gen Memory System

NDPool: Correctness-Preserving Shared Execution for Efficient LLM Inference on CXL-NDP Systems

Yeji Jung, Hwanjun Lee, Sungju Kim, Seulki Kim, Yunhyeong Jeon, and Daehoon Kim^*

IEEE Computer Architecture Letters (CAL), 2026

ISCA | TOP-Tier | Architecture AI System Next-Gen Memory System

SMOOTH: Hardware-Assisted Fine-Grained On-Chip Memory Management for Efficient On-Device LLM Inference

Seulki Kim, Bokyeong Kim, Kyeonghyeon Ryu, Yeji Jung, Hwanjun Lee, Sungju Kim, Yunhyeong Jeon, and Daehoon Kim^*

IEEE/ACM International Symposium on Computer Architecture (ISCA), 2026

CAL | SCI | AI System

CABANA: Cluster-Aware Query Batching for Accelerating Billion-Scale ANNS with Intel® AMX

Minho Kim, Houxiang Ji, Jaeyoung Kang, Hwanjun Lee, Daehoon Kim, and Nam Sung Kim

IEEE Computer Architecture Letters (CAL), 2025

Nominated for the Best Paper Award

MICRO | TOP-Tier | Next-Gen Memory System

Beyond Page Migration: Enhancing Tiered Memory Performance via Integrated Last-Level Cache Management and Page Migration

Hwanjun Lee, Minho Kim, Yeji Jung, Seonmu Oh, Ki-Dong Kang, Seunghak Lee, and Daehoon Kim^*

IEEE/ACM International Symposium on Microarchitecture (MICRO), 2025

CAL | SCI | Architecture Next-Gen Memory System

RoPIM: A Processing-in-Memory Architecture for Accelerating Rotary Positional Embedding in Transformer Models

Yunhyeong Jeon, Minwoo Jang, Hwanjun Lee, Yeji Jung, Jin Jung, Jonggeon Lee, Jinin So, and Daehoon Kim^*

IEEE Computer Architecture Letters (CAL), 2025

CAL | SCI | Next-Gen Memory System

T-CAT: Dynamic Cache Allocation for Tiered Memory Systems With Memory Interleaving

Hwanjun Lee, Seunghak Lee, Yeji Jung, and Daehoon Kim^*

IEEE Computer Architecture Letters (CAL), 2023

MICRO | TOP-Tier | Architecture Power/Resource Management

GreenDIMM: OS-assisted DRAM Power Management for DRAM with a Sub-array Granularity Power-Down State

Seunghak Lee, Ki-Dong Kang, Hwanjun Lee, Hyungwon Park, Younghoon Son, Nam Sung Kim, and Daehoon Kim^*

IEEE/ACM International Symposium on Microarchitecture (MICRO), 2021

Patents

Method and apparatus for detecting cache side channel attack

Daehoon Kim, Hwanjun Lee, Minho Kim, and Seunghak Lee

issued, Korea, Application No. 10-2020-0174852 (2020.12.14), Registration No. 10-2460848 (2022.10.26)

(from top to bottom) (from left to right)
row 1: Seongtae Bang, Prof. Daehoon Kim, Jungbo Kim, Hyunkyun Shin, Seulki Kim, Minwoo Jang, Sungju Kim, Sangwoong Kim, Jongmin Shin, Hwanjun Lee, Kyeonghyeon Ryu,
row 2: Minho Kim, Chansub Jung, Yeji Jung, Dr. Hyosang Kim, Yewon Jang, Seonggyu Han, and Yunhyeong Jeon.

(from top to bottom) (from left to right)
row 1: Prof. Daehoon Kim, Hyunkyun Shin, Seongtae Bang, Yewon Jang, Minwoo Jang, Chansub Jeong, Sangwoong Kim, Jungbo Kim, Minho Kim, Hwanjun Lee, Sungju Kim, Yunhyeong Jeon,
row 2: Seulki Kim, Hyungwon Park, Kyeonghyeon Ryu, Yeji Jung, Dr. Hyosang Kim, Jongmin Shin, and Seonggyu Han.

(from top to bottom) (from left to right)
row 1: Kyeonghyeon Ryu, Seongtae Bang, Yeji Jung, Yewon Jang, Yunhyeong Jeon, Chansub Jeong, Sangwoong Kim, Dr. Hyosang Kim, Sungju Kim, Jongmin Shin, Seonggyu Han,
row 2: Hwanjun Lee, Hyunkyun Shin, Hyungwon Park, Seulki Kim, Minwoo Jang, Minho Kim, and Jungbo Kim.

(from left to right)
Seulki Kim, Hyungwon Park, Dr. Gyeongseo Park, Hwanjun Lee, Kidong Kang, Minho Kim, Yeji Jung, and Seonmu Oh.

(from top to bottom) (from left to right)
row 1: Prof. Daehoon Kim, Sungju Kim, Seongtae Bang, Hwanjun Lee, Hyunkyun Shin, Dr. Hyosang Kim, Sangwoong Kim, Jungbo Kim,
row 2: Kyeonghyeon Ryu, Yunhyeong Jeon, Minwoo Jang, Seulki Kim, Yeji Jung, and Seonggyu Han.

(from top to bottom) (from left to right)
row 1: Prof. Daehoon Kim, Sungju Kim, Seongtae Bang, Hwanjun Lee, Hyunkyun Shin, Dr. Hyosang Kim, Sangwoong Kim, Jungbo Kim,
row 2: Kyeonghyeon Ryu, Yunhyeong Jeon, Hyungwon Park, Minwoo Jang, Seulki Kim, Yeji Jung, and Seonggyu Han.

(from top to bottom) (from left to right)
row 1: Prof. Daehoon Kim, Sungju Kim, Seongtae Bang, Hwanjun Lee, Hyunkyun Shin, Minho Kim, Seonmu Oh, Dr. Hyosang Kim, Sangwoong Kim, Jungbo Kim,
row 2: Kyeonghyeon Ryu, Yunhyeong Jeon, Hyungwon Park, Dr. Gyeongseo Park, Minwoo Jang, Jongmin Shin, Seulki Kim, Yeji Jung, and Seungkyu Lee.

(from top to bottom) (from left to right)
row 1: Prof. Daehoon Kim, Seongtae Bang, Hwanjun Lee, Kyeonghyeon Ryu, Minho Kim, Minwoo Jang, Seulki Kim, Seungkyu Lee, Hyunkyun Shin, Sangwoong Kim, Dr. Hyosang Kim, Jungbo Kim, Sungju Kim,
row 2: Hyungwon Park, Jongmin Shin, Dr. Gyeongseo Park, Yeji Jung, Yunhyeong Jeon, and Seonmu Oh.

Dr. Gyeongseo Park received his Ph.D. degree. (from left to right)
Seonggyu Han, Jungbo Kim, Dr. Seunghak Lee, Minwoo Jang, Hwanjun Lee, Dr. Gyeongseo Park, Seungkyu Lee, Hyungwon Park, Seulki Kim, Seongtae Bang, Jongmin Shin, Dr. Ki-Dong Kang, Yeji Jung, and Kyeonghyeon Ryu.

Dr. Gyeongseo Park received his Ph.D. degree. (from left to right)
Seonggyu Han, Jungbo Kim, Kyeonghyeon Ryu, Hyunkyun Shin, Dr. Seunghak Lee, Minwoo Jang, Hwanjun Lee, Dr. Gyeongseo Park, Seungkyu Lee, Hyungwon Park, Seulki Kim, Seongtae Bang, Jongmin Shin, Dr. Ki-Dong Kang, Yeji Jung, Sangwoong Kim, and Minho Kim.

Dr. Seunghak Lee (Ph. D.) and Heesoo Kim (M.S.) received their degrees. (from top to bottom) (from left to right)
row 1: Kyeonghyeon Ryu, Sangwoong Kim, Dr. Seunghak Lee, Heesoo Kim, Seungkyu Lee, Minho Kim, Hwanjun Lee,
row 2: Dr. Hyosang Kim, Dr. Gyeongseo Park,
row 3: Yeji Jung, Sungju Kim, Yunhyeong Jeon, and Hyungwon Park.

Heesoo Kim (M.S.) and Dr. Seunghak Lee (Ph. D.) received their degrees. (from left to right)
Sungju Kim, Yunhyeong Jeon, Hwanjun Lee, Hyungwon Park, Yeji Jung, Heesoo Kim, Dr. Seunghak Lee, Seungkyu Lee, and Seonmu Oh.

Heesoo Kim received her M.S. degree. (from top to bottom) (from left to right)
row 1: Sungju Kim, Seungkyu Lee, Heesoo Kim, Yeji Jung, Dr. Gyeongseo Park,
row 2: Hwanjun Lee, and Yunhyeong Jeon.

(from top to bottom) (from left to right)
row 1: Sungju Kim, Jungbo Kim, Yunhyeong Jeon, Hyunkyun Shin, Hwanjun Lee, Minhyeok An,
row 2: Seulki Kim, Yeji Jung, Kyeonghyeon Ryu, Seonmu Oh, and Seungkyu Lee.

(from top to bottom) (from left to right)
row 1: Jungbo Kim, Kyeonghyeon Ryu, Seonmu Oh, Sungju Kim, Hwanjun Lee, Seungkyu Lee,
row 2: Yunhyeong Jeon, Yeji Jung, Seulki Kim, Heesoo Kim, and Minhyeok An.

(from left to right)
Jungbo Kim, Yunhyeong Jeon, Kyeonghyeon Ryu, Seonmu Oh, Sungju Kim, Hwanjun Lee, Yeji Jung, Heesoo Kim, Seulki Kim, Minhyeok An, and Seungkyu Lee.

(from top to bottom) (from left to right)
row 1: Dr. Gyeongseo Park, Yunhyeong Jeon, Jungbo Kim, Seungkyu Lee, Minho Kim, Sangwoong Kim, Prof. Daehoon Kim,
row 2: Seonmu Oh, Sungju Kim, Kyeonghyeon Ryu, Dr. Hyosang Kim, Minhyeok An, Dr. Seunghak Lee, Seulki Kim,
row 3: Hwanjun Lee, Yeji Jung, Seonggyu Han, Minwoo Jang, Hyungwon Park, Jongmin Shin, Seongtae Bang, and Heesoo Kim.

(from left to right)
Prof. Daehoon Kim, Sangwoong Kim, Yunhyeong Jeon, Minho Kim, Kyeonghyeon Ryu, Hwanjun Lee, Seungkyu Lee, Seulki Kim, Heesoo Kim, Minhyeok An, Jungbo Kim, Sungju Kim, and Seongtae Bang.

Dr. Ki-Dong Kang received his Ph.D. degree. (from left to right)
Dr. Hyosang Kim, Minhyeok An, Seungkyu Lee, Sangwoong Kim, Hwanjun Lee, Dr. Seunghak Lee, Minho Kim, Minwoo Jang, Seongtae Bang, Dr. Ki-Dong Kang, Heesoo Kim, Hyungwon Park, Jungbo Kim, Seulki Kim, and Yeji Jung.

(from left to right)
Seulki Kim, Hwanjun Lee, and Yeji Jung.

(from top to bottom) (from left to right)
row 1: Dr. Ki-Dong Kang, Seongtae Bang, Sangwoong Kim, Jungbo Kim, Minho Kim, Hwanjun Lee,
row 2: Seulki Kim, Dr. Hyosang Kim, Seungkyu Lee, Minwoo Jang, Heesoo Kim, Dr. Seunghak Lee, Prof. Daehoon Kim,
row 3: Kyeonghyeon Ryu, Jongmin Shin, Seonggyu Han, Dr. Gyeongseo Park, Hyungwon Park, Yeji Jung, and Minhyeok An.

6 years of research at CASLAB (from top to bottom) (from left to right)
row 1: Dr. Ki-Dong Kang, Seongtae Bang, Sangwoong Kim, Jungbo Kim, Minho Kim, Hwanjun Lee,
row 2: Seulki Kim, Dr. Hyosang Kim, Seungkyu Lee, Minwoo Jang, Heesoo Kim, Dr. Seunghak Lee, Prof. Daehoon Kim,
row 3: Kyeonghyeon Ryu, Jongmin Shin, Seonggyu Han, Dr. Gyeongseo Park, Hyungwon Park, Yeji Jung, and Minhyeok An.

(from top to bottom) (from left to right)
row 1: Hwanjun Lee, Sangwoong Kim, Seongtae Bang, Dr. Ki-Dong Kang, Minho Kim, Minhyeok An, Minwoo Jang, Prof. Daehoon Kim,
row 2: Kyeonghyeon Ryu, Jungbo Kim, Dr. Gyeongseo Park, Jongmin Shin, Seulki Kim, Seungkyu Lee,
row 3: Seonggyu Han, Dr. Seunghak Lee, Yeji Jung, Hyungwon Park,
row 4: Dr. Hyosang Kim, and Heesoo Kim.

Happy lab life (from top to bottom) (from left to right)
row 1: Hwanjun Lee, Sangwoong Kim, Seongtae Bang, Dr. Ki-Dong Kang, Minho Kim, Minhyeok An, Minwoo Jang, Prof. Daehoon Kim,
row 2: Kyeonghyeon Ryu, Jungbo Kim, Dr. Gyeongseo Park, Jongmin Shin, Seulki Kim, Seungkyu Lee,
row 3: Seonggyu Han, Dr. Seunghak Lee, Yeji Jung, Hyungwon Park,
row 4: Dr. Hyosang Kim, and Heesoo Kim.

Kyeonghyeon Ryu (B.S.) and Jungbo Kim (B.S.) received their degrees. (from left to right)
Seulki Kim, Hyungwon Park, Yeji Jung, Kyeonghyeon Ryu, Jungbo Kim, and Hwanjun Lee.

Kyeonghyeon Ryu (B.S.) and Jungbo Kim (B.S.) received their degrees. (from left to right)
Hyungwon Park, Seulki Kim, Kyeonghyeon Ryu, Jungbo Kim, and Hwanjun Lee.

(from top to bottom) (from left to right)
row 1: Seonggyu Han, Jongmin Shin, Dr. Hyosang Kim, Sangwoong Kim, Seongtae Bang, Seungkyu Lee, Minho Kim,
row 2: Hwanjun Lee, Dr. Gyeongseo Park, Dr. Ki-Dong Kang, Prof. Daehoon Kim, Dr. Seunghak Lee, Hyungwon Park, and Minwoo Jang.

❮ ❯