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 Publications

ICCD Reliability

Dual-Axis ECC: Vertical and Horizontal Error Correction for Storage and Link Errors

Giyoung Jung, Hee Ju Na, Sang-Hyo Kim, and Jungrae Kim
The IEEE International Conference on Computer Design (ICCD), acceptance rate = 28%, Nov. 2024

MICRO Computer Architecture

CacheCraft: Enhancing GPU Performance under Memory Protection through Reconstructed Caching

Soyoung Park, Hojung Namkoong, Boyeol Choi, Michael Sullivan, and Jungrae Kim
The IEEE/ACM International Symposium on Microarchitecture (MICRO), acceptance rate = 22.7%, Nov. 2024
Link: [Slides(pdf)]

Slides:

ISCA Computer Architecture

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
The International Symposium on Computer Architecture (ISCA), acceptance rate = 19.6%, July, 2024

FGCS Artificial Intelligence

A DNN Partitioning Framework with Controlled Lossy Mechanisms for Edge-Cloud Collaborative Intelligence

Hyochan Kim, Ji Sub Choi, Jungrae Kim, Jong Hwan Ko
Future Generation Computer Systems, Journal, May 2024, impact factor=7.5, JCR rank 91.4 pth

DATE Reliability

SELCC: Enhancing MLC Reliability and Endurance with Single Cell Error Correction Codes

Yujin Lim, Dongwhee Kim and Jungrae Kim
The Design, Automation and Test in Europe Conference (DATE), Best Paper Award Winner, acceptance rate = 25%, March. 2024

HPCA Computer Architecture

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
The IEEE International Symposium on High Performance Computer Architecture (HPCA), acceptance rate = 18%, March. 2024

SC Reliability

Unity ECC: Unified Memory Protection Against Bit and Chip Errors

Dongwhee Kim, Jaeyoon Lee, Wonyeong Jung, Michael Sullivan, and Jungrae Kim
The International Conference on High Performance Computing, Networking, Storage and Analysis (SC), Best Student Paper Nominee, acceptance rate = 24%, Nov. 2023
Link: [Poster(pdf)] [Slides(pdf)] [Github]

DATE Computer Architecture

UVMMU: Hardware-Offloaded Page Migration for Heterogeneous Computing

Jihun Park, Donghun Jeong, and Jungrae Kim
The Design, Automation and Test in Europe Conference (DATE), acceptance rate = 25%, Apr. 2023
Link: [Slides(pptx)]

IEEE-ACCESS Artificial Intelligence

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*
IEEE ACCESS, impact factor = 3.476, July. 2022 * Corresponding Authors

IEEE-CAL Computer Architecture

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, impact factor = 2.118, May. 2022

HPCA Reliability

DUO: Exposing On-chip Redundancy to Rank-level ECC for High Reliability

Seong-Lyong Gong, Jungrae Kim, Sangkug Lym, Michael Sullivan, Howard David, Mattan Erez
The IEEE International Symposium on High Performance Computer Architecture (HPCA), acceptance rate = 21%, Feb. 2018.

HPCA Computer Architecture

ERUCA: Efficient DRAM Resource Utilization and Resource Conflict Avoidance for Memory System Parallelism

Sangkug Lym, Heonjae Ha, Yongkee Kwon, Chun-kai Chang, Jungrae Kim, Mattan Erez
The IEEE International Symposium on High Performance Computer Architecture (HPCA), acceptance rate = 21%, Feb. 2018.

ISCA Computer Architecture

Bit-Plane Compression: Transforming Data for Better Compression in Many-core Architectures

Jungrae Kim, Michael Sullivan, Esha Choukse, Mattan Erez
The ACM/IEEE International Symposium on Computer Architecture (ISCA), acceptance rate = 19%, June 2016.

ISCA Reliability

All-Inclusive ECC: Thorough End-to-End Protection for Reliable Computer Memory

Jungrae Kim, Michael Sullivan, Sangkug Lym, Mattan Erez
The ACM/IEEE International Symposium on Computer Architecture (ISCA), acceptance rate = 19%, June 2016.

MICRO Reliability

CLEAN-ECC: High Reliability ECC for Adaptive Granularity Memory System

Seong-Lyong Gong, Minsoo Rhu, Jungrae Kim, Jinsuk Chung, Mattan Erez
The Annual IEEE/ACM International Symposium on Microarchitecture (MICRO), acceptance rate = 22%, Dec. 2015.

SC Reliability

Frugal ECC: Efficient and Versatile Memory Error Protection through Fine-grained Compression

Jungrae Kim, Michael Sullivan, Seong-Lyong Gong, Mattan Erez
The International Conference on High Performance Computing, Networking, Storage and Analysis (SC), acceptance rate: 22%, Nov. 2015.

HPCA Reliability

Bamboo ECC: Strong, Safe, and Flexible Codes for Reliable Computer Memory

Jungrae Kim, Michael Sullivan, Mattan Erez
The IEEE International Symposium on High Performance Computer Architecture (HPCA), acceptance rate = 23%, Best Paper Nominee, Feb. 2015.

Full Publications

ICCD Reliability

[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
The IEEE International Conference on Computer Design (ICCD), acceptance rate = 28%, Nov. 2024

MICRO Computer Architecture

[C25] CacheCraft: Enhancing GPU Performance under Memory Protection through Reconstructed Caching

Soyoung Park, Hojung Namkoong, Boyeol Choi, Michael Sullivan, and Jungrae Kim
The IEEE/ACM International Symposium on Microarchitecture (MICRO), acceptance rate = 22.7%, Nov. 2024
Link: [Slides(pdf)]

Slides:

ISOCC Computer Architecture

[C24] LEAP: LLW RowHammer Mitigation System

Yoojin Kim, Yesin Ryu, and Jungrae Kim
The International SoC Conference (ISOCC), Aug. 2024

ISOCC Computer Architecture

[C23] INC: In channel Crossing ECC for LPDDR Compression Attached Memory Module

Yoonyul Yoo and Jungrae Kim
The International SoC Conference (ISOCC), Aug. 2024

ISOCC Computer Architecture

[C22] Evaluating the Impact of In-band ECC on GPU Performance

Soyoung Park and Jungrae Kim
The International SoC Conference (ISOCC), Aug. 2024

ISCA Computer Architecture

[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
The International Symposium on Computer Architecture (ISCA), acceptance rate = 19.6%, July, 2024

FGCS Artificial Intelligence

[J8] A DNN Partitioning Framework with Controlled Lossy Mechanisms for Edge-Cloud Collaborative Intelligence

Hyochan Kim, Ji Sub Choi, Jungrae Kim, Jong Hwan Ko
Future Generation Computer Systems, Journal, May 2024, impact factor=7.5, JCR rank 91.4 pth

DATE Reliability

[C20] SELCC: Enhancing MLC Reliability and Endurance with Single Cell Error Correction Codes

Yujin Lim, Dongwhee Kim and Jungrae Kim
The Design, Automation and Test in Europe Conference (DATE), Best Paper Award Winner, acceptance rate = 25%, March. 2024

HPCA Computer Architecture

[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
The IEEE International Symposium on High Performance Computer Architecture (HPCA), acceptance rate = 18%, March. 2024

ICEIC Computer Architecture

[C18] Synergizing CXL With Unified Memory for Scalable GPU Memory Expansion

Junseung Lee and Jungrae Kim
The International Conference on Electronics, Information, and Communication (ICEIC), Jan. 2024

SC Reliability

[C17] Unity ECC: Unified Memory Protection Against Bit and Chip Errors

Dongwhee Kim, Jaeyoon Lee, Wonyeong Jung, Michael Sullivan, and Jungrae Kim
The International Conference on High Performance Computing, Networking, Storage and Analysis (SC), Best Student Paper Nominee, acceptance rate = 24%, Nov. 2023
Link: [Poster(pdf)] [Slides(pdf)] [Github]

ISOCC Reliability

[C16] Synergistic Integration: An Optimal Combination of On-Die and Rank-Level ECC for Enhanced Reliability

Wonyeong Jung, Dongwhee Kim, and Jungrae Kim
The 20th International SoC Conference (ISOCC), Oct. 2023

ISOCC Reliability

[C15] SCC: Efficient Error Correction Codes for MLC PCM

Yujin Lim, Dongwhee Kim, and Jungrae Kim
The International SoC Conference (ISOCC), Oct. 2023

ISOCC Computer Architecture

[C14] CPR: Correlation-based Page Remapping

Hojung Namkoong, and Jungrae Kim
The International SoC Conference (ISOCC), Oct. 2023

ITC-CSCC Reliability

[C13] EPA ECC : Error-Pattern-Aligned ECC for HBM2E

Kiheon Kwon, Dongwhee Kim, Soyoung Park, and Jungrae Kim
The International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), June. 2023

DATE Computer Architecture

[C12] UVMMU: Hardware-Offloaded Page Migration for Heterogeneous Computing

Jihun Park, Donghun Jeong, and Jungrae Kim
The Design, Automation and Test in Europe Conference (DATE), acceptance rate = 25%, Apr. 2023
Link: [Slides(pptx)]

JOK Artificial Intelligence

[J7] DNN Retraining Method Reducing Accuracy Degradation in Packet-Lossy Environments

Dongwhee Kim*, Yujin Lim*, Syngha Han, and Jungrae Kim
Journal of KIISE, Journal, March. 2023
* Joint First Authors

ISOCC Reliability

[C11] YOCO: Unified and Efficient Memory Protection for High Bandwidth Memory

Dongwhee Kim, and Jungrae Kim
The International SoC Conference (ISOCC), Oct. 2022

ISOCC Reliability

[C10] Adaptive Granularity On-die ECC

Daero Kim, and Jungrae Kim
The International SoC Conference (ISOCC), Oct. 2022

IEEE-ACCESS Reliability

[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, impact factor = 3.476, July. 2022

IEEE-ACCESS Computer Architecture

[J5] Demand MemCpy: Overlapping of Computation and Data Transfer for Heterogeneous Computing

Donghun Jeong, Jihun Park, and Jungrae Kim
IEEE ACCESS, impact factor = 3.476, July. 2022

IEEE-ACCESS Artificial Intelligence

[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*
IEEE ACCESS, impact factor = 3.476, July. 2022 * Corresponding Authors

IEEE-ACCESS Reliability

[J3] On-die Dynamic Remapping Cache: Strong and Independent Protection against Intermittent Faults

Sangjae Park and Jungrae Kim
IEEE ACCESS, impact factor = 3.476, July. 2022

IEEE-CAL Computer Architecture

[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, impact factor = 2.118, May. 2022

ICTC Artificial Intelligence

[C9] A Weight-Sharing Autoencoder with Dynamic Quantization for Efficient Feature Compression

Ji Sub Choi, Jungrae Kim, Jong Hwan Ko
International Conference on ICT Convergence, pp.1111-1113, Oct 2021

MDPI-Sensors Artificial Intelligence

[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, Jong Hwan Ko
MDPI Sensors, impact factor = 3.275, Jan. 2021

HPCA Reliability

[C8] DUO: Exposing On-chip Redundancy to Rank-level ECC for High Reliability

Seong-Lyong Gong, Jungrae Kim, Sangkug Lym, Michael Sullivan, Howard David, Mattan Erez
The IEEE International Symposium on High Performance Computer Architecture (HPCA), acceptance rate = 21%, Feb. 2018.

HPCA Computer Architecture

[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, Mattan Erez
The IEEE International Symposium on High Performance Computer Architecture (HPCA), acceptance rate = 21%, Feb. 2018.

DSN-W Reliability

[C6] DRAM Scaling Error Evaluation Model with Variable Retention Time

Seong-Lyong Gong, Jungrae Kim, Mattan Erez
The 47th Annual IEEE/IFIP International Conference on Dependable Systems and Networks Workshops (DSN-W), June 2017.

Reliability

[T2] Strong, Thorough, and Efficient Memory Protection against Existing and Emerging DRAM Errors

Jungrae Kim
Ph.D Thesis / The University of Texas at Austin, Dec. 2016.

ISCA Computer Architecture

[C5] Bit-Plane Compression: Transforming Data for Better Compression in Many-core Architectures

Jungrae Kim, Michael Sullivan, Esha Choukse, Mattan Erez
The ACM/IEEE International Symposium on Computer Architecture (ISCA), acceptance rate = 19%, June 2016.

ISCA Reliability

[C4] All-Inclusive ECC: Thorough End-to-End Protection for Reliable Computer Memory

Jungrae Kim, Michael Sullivan, Sangkug Lym, Mattan Erez
The ACM/IEEE International Symposium on Computer Architecture (ISCA), acceptance rate = 19%, June 2016.

MICRO Reliability

[C3] CLEAN-ECC: High Reliability ECC for Adaptive Granularity Memory System

Seong-Lyong Gong, Minsoo Rhu, Jungrae Kim, Jinsuk Chung, Mattan Erez
The Annual IEEE/ACM International Symposium on Microarchitecture (MICRO), acceptance rate = 22%, Dec. 2015.

SC Reliability

[C2] Frugal ECC: Efficient and Versatile Memory Error Protection through Fine-grained Compression

Jungrae Kim, Michael Sullivan, Seong-Lyong Gong, Mattan Erez
The International Conference on High Performance Computing, Networking, Storage and Analysis (SC), acceptance rate: 22%, Nov. 2015.

HPCA Reliability

[C1] Bamboo ECC: Strong, Safe, and Flexible Codes for Reliable Computer Memory

Jungrae Kim, Michael Sullivan, Mattan Erez
The IEEE International Symposium on High Performance Computer Architecture (HPCA), acceptance rate = 23%, Best Paper Nominee, Feb. 2015.

Computer Architecture

[T1] Lazy Register Reconcile for Local Register Allocation

Jungrae Kim
MS Thesis / Seoul National University, Aug. 2003.

SW-Copyright Reliability

[SW2] ECC-ExerSim: Error-Correcting Code Exercise and Simulator

Dongwhee Kim, Taewon Park, and Jungrae Kim
Korea Copyright Commission (No. C-2023-043210), September 26, 2023.
Link: [Github]

SW-Copyright Reliability

[SW1] MRSim: Memory-Reliability Simulator

Jungrae Kim
Korea Copyright Commission (No. C-2022-031812), August 16, 2022.

Patent Computer Architecture

[P6] Electronic Device Controller for Improving Performance of Electronic Device

Jungrae Kim
KR/JP/CN/US(#8,625,439), 2014.

Patent Computer Architecture

[P5] Method and System Controlling Page Open Time for Memory Device

Jungrae Kim, and Wooil Kim
KR/EU/US(#8,688,942) / 2014.

Patent Computer Architecture

[P4] Device and Method for Testing Semiconductor Device

Jungrae Kim
KR/US(#8,621,292) / 2013.

Patent Computer Architecture

[P3] Method of Correcting a Duty Ratio of a Data Strobe Signal

KyongMook Lim, Jinsu Jung, Kwanho Kim, Jungrae Kim, Taesun Kim
KR/US(#US20130219208A1), 2012.

Patent Computer Architecture

[P2] Hybrid Image Data Processing System and Method

Jungrae Kim, Jinpyo Park, Jaehong Park, Youngjun Kwon
KR/TW/CN/US(#8,229,235), 2012.

Patent Computer Architecture

[P1] Data Processing Apparatus for Compressing Data According to Improved Variable Length Coding Method

Jungrae Kim, Jinpyo Park, Jaehong Park, Youngjun Kwon
KR(#10-20,070,075,100), 2006.