Publications
Heliostat: Harnessing Ray Tracing Accelerators for Page Table Walks
Yuan Feng, Yuke Li, Jiwon Lee, Won Woo Ro, and Hyeran Jeon
(To appear) IEEE/ACM International Symposium on Computer Architecture (ISCA), 2025.
COSMOS: An LLC Contention Slowdown Model for Heterogeneous Multi-core Systems
Yongju Lee, Jaewon Kwon, Cheolhwan Kim, Enhyuk Jang, Jiwon Lee, Hyunwuk Lee, and Won Woo Ro
(To appear) IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS), 2025.
HashScape: Leveraging Virtual Address Dynamics for Efficient Hashed Page Tables
[Link]
Won Hur, Jiwon Lee, Jaewon Kwon, Minjae Kim, and Won Woo Ro
IEEE Transactions on Computers (TC), 2025.
Marching Page Walks: Batching and Concurrent Page Table Walks for Enhancing GPU Throughput
[Link]
Jiwon Lee*, Gun Ko, Myung Kuk Yoon, Ipoom Jeong, Yunho Oh, and Won Woo Ro
IEEE International Symposium on High-Performance Computer Architecture (HPCA), 2025.
REC: Enhancing Fine-Grained Cache Coherence Protocol in Multi-GPU Systems
[Link]
Gun Ko, Jiwon Lee, Hongju Kal, Hyunwuk Lee, and Won Woo Ro
Journal of Systems Architecture (JSA), Vol. 160, 103339, Mar. 2025.
Geneva: A Dynamic Confluence of Speculative Execution and In-Order Commitment Windows
[Link]
Yanghee Lee, Jiwon Lee, Jaewon Kwon, Yongju Lee, and Won Woo Ro
IEEE/ACM Design Automation Conference (DAC), 2024.
SnakeByte: A TLB Design with Adaptive and Recursive Page Merging in GPUs
[Link]
Jiwon Lee*, Ju Min Lee, Yunho Oh, William J. Song, and Won Woo Ro
IEEE International Symposium on High-Performance Computer Architecture (HPCA), 2023.
Early-Adaptor: An Adaptive Framework for Proactive UVM Memory Management
[Link]
Seokjin Go, Hyunwuk Lee, Junsung Kim, Jiwon Lee, Myung Kuk Yoon, and Won Woo Ro
IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS), 2023.
Analysis on Memory Access Patterns of Server-Class Workloads in Page- and Cache Line- Granularity
Kyeonghoon Lim, Minjae Kim, Jiwon Lee, and Won Woo Ro
International Conference on Electronics, Information, and Communication (ICEIC), 2023.
Performance Analysis of Criticality-Aware Out-of-Order Cores for Exploiting MLP
[Link]
Yanghee Lee, Jiwon Lee, and Won Woo Ro
International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), 2023.
Adaptive Data Prefetcher with Probability Learning in LLC
[Link]
Jusin Kim, Jiwon Lee, and Won Woo Ro
International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), 2023.
Reconstructing Out-of-Order Issue Queue
[Link]
Ipoom Jeong, Jiwon Lee, Myung Kuk Yoon, and Won Woo Ro
IEEE/ACM International Symposium on Microarchitecture (MICRO), 2022.
Analysis of DRAM-based Network of DRAM Swap Space Adopting Latency Hiding Technique
[Link]
Hyoseong Choi, Jiwon Lee, Jeonghoon Choi, and Won Woo Ro
International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), 2022.
PIMCaffe: Functional Evaluation of a Machine Learning Framework for In-Memory Neural Processing Unit
[Link]
Won Jeon, Jiwon Lee, Dongseok Kang, Hongju Kal, and Won Woo Ro
IEEE Access, Vol. 9, pp. 96629-96640, Jul. 2021.
Chapter Six - Deep learning with GPUs
[Link]
Won Jeon, Gun Ko, Jiwon Lee, Hyunwuk Lee, Dongho Ha, and Won Woo Ro
Advances in Computers, Vol. 122, pp. 167-215, 2021.
Patents
Memory management unit and method of walking page table
[Link:
US,
CN,
KR]
Won Woo Ro, Jiwon Lee, Ipoom jeong, Hongju Kal, Gun Ko, and Hyunwuk Lee
US 18/502,058, CN 202311700848.0, KR 10-2022-0175909
Swap memory device providing data and data block, method of operating the same, and method of operating electronic device including the same
[Link:
US,
CN,
KR]
Won Woo Ro, Hyoseong Choi, Jiwon Lee, and Jeonghoon Choi
US 18/350,148, CN 202311408257.6, KR 10-2022-0145399
Controller, computing system including the same, and method of creating and searching page table entry for the same
[Link:
US,
CN,
KR]
Seongil O, Won Woo Ro, William Jinho Song, and Jiwon Lee
US 17/526,391, CN 202210082121.X, KR 10-2021-0054195
Computing device and method of operating the same
Won Woo Ro, Minjae Kim, Kyeonghoon Lim, and Jiwon Lee
KR 10-2023-0193178
Memory management apparatus and method for UVM
Won Woo Ro, Seokjin Go, Junsung Kim, Hyunwuk Lee, and Jiwon Lee
KR 10-2023-0076606
Neural network processing method
Won Woo Ro, Hongju Kal, Cheonjun Park, Hyunwuk Lee, Ipoom Jeong, and Jiwon Lee
KR 10-2022-0041848
