Welcome to Scalable Architecture Lab (SAL) at SKKU. SAL is recruiting passionate undergraduate, masters, and Ph.D students.

If you’re interesting in researching cutting-edge computer architecture and want to change the world, please send your CV to dale40@gmail.com The lab will support a full tuition and stipends, with chances of attending top-tier international conferences.

Select

Top-tier conference papers: ISCA x 3, MICRO x 2, HPCA x 4, ASPLOS x 1, SC x 2, DAC x 2, DATE x 2

Reliability

DRAM

GPU

Accel

AI

Security

Arithmetic

2025

Top-tier ASPLOS Security Link: [C34] RowArmor: Efficient and Comprehensive Protection Against DRAM Disturbance Attacks
Yoonyul Yoo, Minbok Wi, Jaeho Shin, Yesin Ryu, Yoojin Kim, Seonyong Park, Saeid Gorgin, Jung Ho Ahn, and Jungrae Kim
ACM Intl. Conf. Architectural Support for Programming Languages and Operating Systems (ASPLOS), acceptance rate = 19%, Aug. 2025

ITC-CSCC GPU Link: [C33] Characterization of the Impact of Migration Granularity on GPU Unified Memory I/O
Yonghyun Yang, Sanhyun Park, and Jungrae Kim
Intl. Technical Conf. on Circuits/Systems, Computers and Communications (ITC-CSCC), July 2025

ITC-CSCC GPU Link: [C32] SPRINT: Selective Partial Region-based Invalidation for Neutralizing Thrashing in GPU Unified Memory
Boyeol Choi and Jungrae Kim
Intl. Technical Conf. on Circuits/Systems, Computers and Communications (ITC-CSCC), July 2025

Top-tier DAC Reliability Link: [C31] PoP-ECC: Robust and Flexible Error Correction against Multi-Bit Upsets in DNN Accelerators
Taewon Park, Saeid Gorgin, Dongwhee Kim, Jaeho Shin, Michael B. Sullivan, and Jungrae Kim
Design Automation Conference (DAC), acceptance rate = 23%, June 2025

Top-tier DAC Accel Link: [C30] PIMPAL: Accelerating LLM Inference on Edge Devices via In-DRAM Arithmetic Lookup
Yoonho Jang, Hyeongjun Cho, Yesin Ryu, Jungrae Kim, and Seokin Hong
Design Automation Conference (DAC), acceptance rate = 23%, June 2025

Major ARITH Arithmetic Link: [C29] Generic Modulo-(2^n±δ) Addition Algorithm via Two-Valued Digit Encoding
Saeid Gorgin, Amirhossein Sadr, Dara Rahmati, and Jungrae Kim
IEEE Intl. Symp. on Computer Arithmetic (ARITH), May 2025

KIISE Security Link: Paper [J11] RowHammer 공격과 방어: 기술적 진화와 도전 과제
Yesin Ryu and Jungrae Kim
Comm. of the Korean Institute of Information Scientists and Engineers (Invited paper) (KIISE), Apr. 2025

Major ESL Arithmetic Link: Paper [J10] Auto Digit Selection for Most Significant Digit First Multiplication
Saeid Gorgin, Ghassem Jaberipur, Jeong-A Lee, Seokjoo Shin, and Jungrae Kim
IEEE Embedded Systems Letters (ESL), March 2025

ICEIC Reliability Link: Paper [C28] ROSE: Reliability-Optimized OD-ECC and S-ECC Enhancements for HBM3
Jaeho Shin and Jungrae Kim
Intl. Conf. on Electronics, Information, and Communication (ICEIC), Jan. 2025

ICEIC GPU Link: Paper [C27] C4ECC: Data Compression for Bandwidth Efficiency Under ECC Protection in GPUs
Sanghyun Park, Boyeol Choi, and Jungrae Kim
Intl. Conf. on Electronics, Information, and Communication (ICEIC), Jan. 2025

Major TWEB Security Link: Paper [J9] Crumbled Cookies: Exploring E-commerce Websites? Cookie Policies with Data Protection Regulations
Nivedita Singh, Yejin Do, Yongsang Yu, Imane Fouad, Jungrae Kim, and Hyoungshick Kim
ACM Transactions on the Web (TWEB), Jan. 2025

2024

Major ICCD Reliability Link: Paper Slides [C26] Dual-Axis ECC: Vertical and Horizontal Error Correction for Storage and Link Errors
Giyoung Jung, Hee Ju Na, Sang-Hyo Kim, and Jungrae Kim
IEEE Intl. Conf. on Computer Design (ICCD), acceptance rate = 28%, Nov. 2025

Top-tier MICRO GPU Link: Paper Slides [C25] CacheCraft: Enhancing GPU Performance under Memory Protection through Reconstructed Caching
Soyoung Park, Hojung Namkoong, Boyeol Choi, Michael B. Sullivan, and Jungrae Kim
IEEE/ACM Intl. Symp. on Microarchitecture (MICRO), acceptance rate = 22.7%, Nov. 2024

ISOCC Security Link: Paper [C24] LEAP: LLW RowHammer Mitigation System
Yoojin Kim, Yesin Ryu, and Jungrae Kim
Intl. SoC Conference (ISOCC), Aug. 2024

ISOCC Reliability Link: Paper [C23] INC: In channel Crossing ECC for LPDDR Compression Attached Memory Module
Yoonyul Yoo and Jungrae Kim
Intl. SoC Conference (ISOCC), Aug. 2024

ISOCC GPU Link: Paper [C22] Evaluating the Impact of In-band ECC on GPU Performance
Soyoung Park and Jungrae Kim
Intl. SoC Conference (ISOCC), Aug. 2024

Top-tier ISCA DRAM Link: Paper Slides [C21] Native DRAM Cache: Re-architecting DRAM as a Large-Scale Cache for Data Centers
Yesin Ryu, Yoojin Kim, Giyong Jung, Jungho Ahn, and Jungrae Kim
ACM/IEEE Intl. Symp. on Computer Architecture (ISCA), IEEE Micro Top Picks in Computer Architecture (Honorable Mention), acceptance rate = 19.6%, July 2024

Top-tier FGCS AI Link: Paper [J8] A DNN Partitioning Framework with Controlled Lossy Mechanisms for Edge-Cloud Collaborative Intelligence
Hyochan Kim, Ji Sub Choi, Jungrae Kim, and Jong Hwan Ko
Future Generation Computer Systems (FGCS), impact factor=7.5, JCR rank 91.4 pth, May 2024

Top-tier DATE Reliability Link: Paper Slides GitHub [C20] SELCC: Enhancing MLC Reliability and Endurance with Single Cell Error Correction Codes
Yujin Lim, Dongwhee Kim, and Jungrae Kim
Design, Automation and Test in Europe Conference (DATE), Best Paper Award Winner, acceptance rate = 25%, March 2024

Top-tier HPCA DRAM Link: Paper [C19] Agile-DRAM: Agile Trade-Offs in Memory Capacity, Latency, and Energy for Data Centers
Jaeyoon Lee, Wonyeong Jung, Dongwhee Kim, Daero Kim, Junseung Lee, and Jungrae Kim
IEEE Intl. Symp. on High Performance Computer Architecture (HPCA), acceptance rate = 18%, March 2024

ICEIC GPU Link: Paper [C18] Synergizing CXL With Unified Memory for Scalable GPU Memory Expansion
Junseung Lee and Jungrae Kim
Intl. Conf. on Electronics, Information, and Communication (ICEIC), Jan. 2024

2023

Top-tier SC Reliability Link: Paper Slides GitHub [C17] Unity ECC: Unified Memory Protection Against Bit and Chip Errors
Dongwhee Kim, Jaeyoon Lee, Wonyeong Jung, Michael B. Sullivan, and Jungrae Kim
Intl. Conf. on High Performance Computing, Networking, Storage, and Analysis (SC), Best Student Paper Nominee, acceptance rate = 24%, Nov. 2023

ISOCC Reliability Link: Paper [C16] Synergistic Integration: An Optimal Combination of On-Die and Rank-Level ECC for Enhanced Reliability
Wonyeong Jung, Dongwhee Kim, and Jungrae Kim
Intl. SoC Conference (ISOCC), Oct. 2023

ISOCC Reliability Link: Paper [C15] SCC: Efficient Error Correction Codes for MLC PCM
Yujin Lim, Dongwhee Kim, and Jungrae Kim
Intl. SoC Conference (ISOCC), Oct. 2023

ISOCC AP Link: Paper [C14] CPR: Correlation-based Page Remapping
Hojung Namkoong and Jungrae Kim
Intl. SoC Conference (ISOCC), Oct. 2023

ITC-CSCC Reliability Link: Paper [C13] EPA ECC : Error-Pattern-Aligned ECC for HBM2E
Kiheon Kwon, Dongwhee Kim, Soyoung Park, and Jungrae Kim
Intl. Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Jan. 2023

Top-tier DATE GPU Link: Paper Slides [C12] UVMMU: Hardware-Offloaded Page Migration for Heterogeneous Computing
Jihun Park, Donghun Jeong, and Jungrae Kim
Design, Automation and Test in Europe Conference (DATE), acceptance rate = 25%, Apr. 2023

JOK AI Link: Paper [J7] DNN Retraining Method Reducing Accuracy Degradation in Packet-Lossy Environments
Dongwhee Kim*, Yujin Lim*, Syngha Han, and Jungrae Kim (* Joint first authors)
Journal of the Korean Institute of Information Scientists and Engineers (JOK), Mar. 2023

2022

ISOCC Reliability Link: Paper [C11] YOCO: Unified and Efficient Memory Protection for High Bandwidth Memory
Giyoung Jung, Hee Ju Na, Sang-Hyo Kim, and Jungrae Kim
Intl. SoC Conference (ISOCC), Oct. 2022

ISOCC Reliability Link: Paper [C10] Adaptive Granularity On-die ECC
Daero Kim and Jungrae Kim
Intl. SoC Conference (ISOCC), Oct. 2022

Major ACCESS Reliability Link: Paper [J6] SEC-BADAEC: An Efficient ECC with No Vacancy for Strong Memory Protection
Yuseok Song, Sangjae Park, Michael B. Sullivan, and Jungrae Kim
IEEE Access (ACCESS), impact factor = 3.476, July 2022

Major ACCESS GPU Link: Paper [J5] Demand MemCpy: Overlapping of Computation and Data Transfer for Heterogeneous Computing
Donghun Jeong, Jihun Park, and Jungrae Kim
IEEE Access (ACCESS), impact factor = 3.476, July 2022

Major ACCESS GPU Link: Paper [J4] On-the-Fly Lowering Engine: Offloading Data Layout Conversion for Convolutional Neural Networks
MinGu Kang, Sang Min Hyun, Tae Hee Han, Jungrae Kim*, and Seokin Hong* (*: Corresponding authors)
IEEE Access (ACCESS), impact factor = 3.476, July 2022

Major ACCESS DRAM Link: Paper [J3] On-die Dynamic Remapping Cache: Strong and Independent Protection against Intermittent Faults
Sangjae Park and Jungrae Kim
IEEE Access (ACCESS), impact factor = 3.476, July 2022

Major CAL GPU Link: Paper [J2] Multi-Prediction Compression: An Efficient and Scalable Memory Compression Framework for GP-GPU
Hoyong Jin, Donghun Jeong, Taewon Park, Jong Hwan Ko, and Jungrae Kim
IEEE Computer Architecture Letters (CAL), impact factor = 2.118, May 2022

2021

ICTC AI Link: Paper [C9] A Weight-Sharing Autoencoder with Dynamic Quantization for Efficient Feature Compression
Ji Sub Choi, Jungrae Kim, and Jong Hwan Ko
Intl. Conf. on ICT Convergence (ICTC), Oct. 2021

Sensors AI Link: Paper [J1] Auto-Tiler: Variable-Dimension Autoencoder with Tiling for Compressing Intermediate Feature Space of Deep Neural Networks for Internet of Things
Jeongsoo Park, Jungrae Kim, and Jong Hwan Ko
MDPI Sensors (Sensors), impact factor = 3.275, Jan. 2021

2018

Top-tier HPCA Reliability Link: Paper [C8] DUO: Exposing On-chip Redundancy to Rank-level ECC for High Reliability
Seong-Lyong Gong, Jungrae Kim, Sangkug Lym, Michael B. Sullivan, Howard David, and Mattan Erez
IEEE Intl. Symp. on High Performance Computer Architecture (HPCA), acceptance rate = 21%, Feb. 2018

Top-tier HPCA DRAM Link: Paper [C7] ERUCA: Efficient DRAM Resource Utilization and Resource Conflict Avoidance for Memory System Parallelism
Sangkug Lym, Heonjae Ha, Yongkee Kwon, Chun-kai Chang, Jungrae Kim, and Mattan Erez
IEEE Intl. Symp. on High Performance Computer Architecture (HPCA), acceptance rate = 21%, Feb. 2018

2017

DSN-W Reliability Link: Paper [C6] DRAM Scaling Error Evaluation Model with Variable Retention Time
Seong-Lyong Gong, Jungrae Kim, and Mattan Erez
IEEE/IFIP Intl. Conf. on Dependable Systems and Networks Workshops (DSN-W), June 2017

2016

Thesis Reliability Link: Paper [T2] Strong, Thorough, and Efficient Memory Protection against Existing and Emerging DRAM Errors
Jungrae Kim
Ph.D Thesis (Thesis), The University of Texas at Austin, Dec. 2016

Top-tier ISCA GPU Link: Paper [C5] Bit-Plane Compression: Transforming Data for Better Compression in Many-core Architectures
Jungrae Kim, Michael B. Sullivan, Esha Choukse, and Mattan Erez
ACM/IEEE Intl. Symp. on Computer Architecture (ISCA), acceptance rate = 19%, June 2016

Top-tier ISCA Reliability Link: Paper [C4] All-Inclusive ECC: Thorough End-to-End Protection for Reliable Computer Memory
Jungrae Kim, Michael B. Sullivan, Sangkug Lym, and Mattan Erez
ACM/IEEE Intl. Symp. on Computer Architecture (ISCA), acceptance rate = 19%, June 2016

2015

Top-tier MICRO Reliability Link: Paper [C3] CLEAN-ECC: High Reliability ECC for Adaptive Granularity Memory System
Seong-Lyong Gong, Minsoo Rhu, Jungrae Kim, Jinsuk Chung, and Mattan Erez
IEEE/ACM Intl. Symp. on Microarchitecture (MICRO), acceptance rate = 22%, Dec. 2015

Top-tier SC Reliability Link: Paper [C2] Frugal ECC: Efficient and Versatile Memory Error Protection through Fine-grained Compression
Jungrae Kim, Michael B. Sullivan, Seong-Lyong Gong, and Mattan Erez
Intl. Conf. on High Performance Computing, Networking, Storage, and Analysis (SC), acceptance rate = 22%, Nov. 2015

Top-tier HPCA Reliability Link: Paper [C1] Bamboo ECC: Strong, Safe, and Flexible Codes for Reliable Computer Memory
Jungrae Kim, Michael B. Sullivan, and Mattan Erez
IEEE Intl. Symp. on High Performance Computer Architecture (HPCA), Best Paper Nominee, acceptance rate = 23%, Feb. 2015

2003

Thesis Compiler Link: [T1] Lazy Register Reconcile for Local Register Allocation
Jungrae Kim
M.S. Thesis (Thesis), Seoul National University, Aug. 2003

Patent

Patent Reliability Link: Patent [P9] Method for generating burst error correction code, device for generating burst error correction code, and recording medium storing instructions to perform method for generating burst error correction code
Sang-hyo Kim, Dong Geun Lee, Jungrae Kim, Seokin Hong, and Dong Hyun Kong
US(#12,267,087)/KR(#10-2633829) (Patent), Apr. 2025

Patent Reliability Link: Patent [P8] Semiconductor chip for correcting aligned error, semiconductor system for correcting aligned error, and method for correcting aligned error
Jungrae Kim, Sang-hyo Kim, Seokin Hong, and Yuseok Song
US(#12,216,540) (Patent), Feb. 2025

Patent Accel Link: Patent [P7] Method for accerlerating computation of convolutional neural network and device of accerlerating computation of convolutional neural network
Jungrae Kim, Seokin Hong, Taehee Han, and Mingu Kang
KR (#10-2763260) (Patent), Jan. 2025

Patent DRAM Link: Patent [P6] Apparatus and method for remapping of memory
Jungrae Kim and Sangje Park
KR (#10-2716293) (Patent), Oct. 2024

Patent Reliability Link: Patent [P5] Method and apparatus for generating code for single symbol error correction and double bit error correction
Jungrae Kim and Dong Whee Kim
KR (#10-2656075) (Patent), Apr. 2024

SW Reliability Link: GitHub [SW2] ECC-ExerSim: Error-Correcting Code Exercise and Simulator
Dongwhee Kim, Taewon Park, and Jungrae Kim
Korea Copyright Commission (No. C-2023-043210) (SW), Sep. 2023

SW Reliability Link: [SW1] MRSim: Memory-Reliability Simulator
Jungrae Kim
Korea Copyright Commission (No. C-2022-031812) (SW), Aug. 2022

Patent DRAM Link: Patent [P4] Electronic Device Controller for Improving Performance of Electronic Device
Jungrae Kim
US(#8,725,439)/JP/CN/KR (Patent), May 2014

Patent DRAM Link: Patent [P3] Method and System Controlling Page Open Time for Memory Device
Jungrae Kim and Wooil Kim
US(#8,688,942)/EU/KR (Patent), Apr. 2014

Patent DRAM Link: Patent [P2] Device and Method for Testing Semiconductor Device
Jungrae Kim
US(#8,621,292)/KR (Patent), Dec. 2013

Patent AP Link: Patent [P1] Hybrid Image Data Processing System and Method
Jungrae Kim, Jinpyo Park, Jaehong Park, and Youngjun Kwon
US(#8,229,235)/CN/TW/KR (Patent), July 2012

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