Sogang University (Youngjae Kim)

Youngjae Kim (PhD)

Professor, CSE, Sogang University, Seoul, Republic of Korea

Co-Director: DISCOS (Data-IntenSive AI COmputing and Systems Laboratory)

Office: AS911, 35 Baekbeom-ro, Mapo-gu, Seoul, Republic of Korea, 04107

Tel: +82-2-705-8933, E-mail: youkim.AT.sogang.ac.kr

Research Interest

Infrastructure-Aware AI Systems: From Distributed Training to LLM Serving

High-Performance and Intelligent Storage Systems for Data-Intensive Workloads

Cross-Layer Design for Storage, Memory, and Compute in Large-Scale HPC Systems

Next-Generation Key-Value Stores: Performance, Efficiency, and Device Integration

Operating System and File System Support for ZNS, FDP, and SSDs

Next-Generation SSDs for AI: GPU-Direct and VectorDB Acceleration

Education

Ph.D. in Computer Science and Engineering, The Pennsylvania State University, University Park, PA, USA, 2009. (Advisor: Prof. Anand Sivasubramaniam)

M.S. in Computer Science, KAIST, Korea, 2021-2003. (Emeritus Prof. Seungryoul Maeng)

B.S. (honors) in Computer Science, Sogang University, Korea, 1995-2001. (Soldier, Korea Military Army, 1996-1998)

Experience

Professor, Dept. of Computer Science & Engineering, Sogang University. (2016-Present)

Visiting Professor, Global Quality Reliability Assurance, SK hynix. (2025-2026)

Visiting Professor, Memory System Research, SK hynix. (Jul. 2022-Jun. 2023)
Assistant Professor, Dept. of Computer Engineering, Ajou University. (2015-2016)

R&D Staff Member, US Department of Energy's Oak Ridge National Laboratory, TN, USA. (2009-2015)

Adjunct Professor, School of Electrical & Computer Engineering, Georgia Institute of Technology, GA, USA. (2011-2014)

Faculty Affiliate, The University of Tennessee, TN, USA. (2011-2015)

Research Engineer, Embedded OS Team, Embedded Software Center, ETRI, Daejeon, Korea. (2003-2004)

Recent Program Committee Services

(2026): DAC, SC, CCGRID, ICDCS, MASCOTS , ICPP, HotStorage

(2025): DAC, HPCA, CCGRID, CLUSTER, HotStorage

LLM and RAG Serving: Cost, Efficiency, and Scalability

[CCGRID'26] Jinwoo Kim, Kihyun Kim, Hyunsun Chung, Jihoon Yang, James J. Kim, Dong Li, Youngjae Kim, LLM-Pilot: SLO-Aware and Cost-Efficient LLM Serving on Public Cloud VM Clusters via Offloading, IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, 2026 [KIISE Outstanding]
[MASCOTS'25] Kihyun Kim, Jinwoo Kim, James J. Kim, Dong Li, Youngjae Kim, FlexLLM: Flexible and Cost-Efficient LLM Serving with Heterogeneous GPUs, IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems, 2025 [KIISE Outstanding]
[CLOUD'25] Kihyun Kim, Jinwoo Kim, Hyunsun Chung, Myung-Hoon Cha, Hong-Yeon Kim, Youngjae Kim, Cost-Efficient VM Selection for Cloud-Based LLM Inference with KV Cache Offloading, IEEE International Conference on Cloud Computing, 2025 [KIISE Outstanding]
[CLOUD'25] Hyungwoo Lee, Kihyun Kim, Jinwoo Kim, Jungmin So, Myung-Hoon Cha, Hong-Yeon Kim, James J. Kim, Youngjae Kim, Disk-Based Shared KV Cache Management for Fast Inference in Multi-Instance LLM RAG Systems, IEEE International Conference on Cloud Computing, 2025 [KIISE Outstanding]
SLM-Assisted Output Length Prediction and Scheduling to Alleviate Head-of-Line Blocking in LLM Serving (LLM서빙시 Head-of-Line 블로킹 완화를 위한 SLM 기반 LLM 출력 길이 예측 및 스케줄링 기법), 장성 외 3인, 한국소프트웨어종합학술대회 (KSC2025)

Vector Search Systems: Scalability and Efficiency

[CCGRID'26] Kihwan Kim, Hyungsun Yoo, Woojung Kim, Donghyun Min, Myungcheol Lee, Jihoon Yang, Weikuan Yu, Youngjae Kim, VEX: Scaling HNSW-Based Vector Search with DPU Memory and Parallelism, IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, 2026 [KIISE Outstanding]
[HiPC '25] Yeonwoo Jeong, Hyunji Cho, Kyuli Park, Youngjae Kim, Sungyong Park, CALL: Context-Aware Low-Latency Retrieval in Disk-Based Vector Databases, IIEEE International Conference on High Performance Computing, Data, and Analytics, 2025 [BK21 PLUS] [Distinguished Paper Award Nomination]

AI Training(GNN, CNN): Cost, Resilience, and Scalability

[CCGRID'25] Yoochan Kim, Hong-Yeon Kim, Weikuan Yu, Youngjae Kim, MemoryBridge: Leveraging Cloud Resource Characteristics for Cost-Efficient Disk-based GNN Training via Two-Level Architecture, IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, 2025 [KIISE Outstanding]
[CCGRID'24] Yoochan Kim, Kihyun Kim, Yonghyeon Cho, Jinwoo Kim, Awais Khan, Ki-Dong Kang, Baik-Song An, Myung-Hoon Cha, Hong-Yeon Kim, Youngjae Kim, DeepVM: Integrating Spot and On-Demand VMs for Cost-Efficient Deep Learning Clusters in the Cloud, IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, 2025 [KIISE Outstanding]
[PDSW@SC24] Seoyeong Lee, Awais Khan, Yoochan Kim, Junghwan Park, Soon Hwang, Jae-Kook Lee, Taeyoung Hong, Christopher Zimmer, Youngjae Kim, Fault-Tolerant Deep Learning Cache with Hash Ring for Load Balancing in HPC Systems, International Parallel Data Systems Workshop (PDSW) held in conjunction with SC24, 2024
[ACCESS'24] Yonghyeon Cho, Yoochan Kim, Kihyun Kim, Jinwoo Kim, Hong-Yeon Kim, Youngjae Kim, Optimizing Multi-level Checkpointing for Distributed Deep Learning Workloads on Cloud Spot VM Clusters, IEEE Access (2024)

AI-Driven Applied Machine Learning Applications

Multi-Clustering and Similarity-based Sampling for Efficient Draft Generation in Speculative RAG (Speculative RAG의 효율적 초안 생성을 위한 다중 클러스터링과 유사도 기반 샘플링 기법), 안규원, 김영재, 한국소프트웨어종합학술대회 (KSC2025)
Multi-task LLM-based Method for Policy Adoption Prediction with Random Forest (멀티태스크 LLM 기반 정책 반영 여부 예측 성능 향상을 위한 랜덤포레스트 활용에 관한 연구), 이동섭, 김영재, 한국컴퓨터종합학술대회 (KCC2025)
Detecting Fraudulent Reward Acquisition in Blockchain-based Reward Applications (블록체인 기반 모바일 리워드 응용의 부정 리워드 획득 탐지 연구), 김기현 외 4인, 한국컴퓨터종합학술대회 (KCC2023)

Graph Neural Network (GNN) Training System Using Pooled Memory (CCGRID '25)

RAG-based LLM Inference and Prefill Time Minimization (CLOUD '25)

Cost Optimization for LLM Serving on AWS (MASCOTS'25, CCGrid'26)

Intelligent Distributed Storage Systems for Scalable Data Analytics

[arXiv '25] Soon Hwang, Junhyeok Park, Junghyun Ryu, Seonghoon Ahn, Jeongahn Park, Jeongjin Lee, Soonyeol Yang,, Jungki Noh, Woosuk Chung, Hoshik Kim, Youngjae Kim, OASIS: Object-based Analytics Storage for Intelligent SQL Query Offloading in Scientific Tabular Workloads, Databases (cs.DB); Distributed, Parallel, and Cluster Computing (cs.DC), 2025
[DRBSD@SC25] Junghyun Ryu, Soon Hwang, Junhyeok Park, Seonghoon Ahn, JeoungAhn Park, Jeongjin Lee, Jinna Yang, Soonyeal Yang, Jungki Noh, Qing Zheng, Woosuk Chung, Hoshik Kim, Youngjae Kim, Integrating Distributed SQL Query Engines with Object-Based Computational Storage, International Workshop on Data Analysis and Reduction for Big Scientific Data (DRBSD) held in conjunction with SC '25, 2025
[MASCOTS '23] Yeohyeon Park, Junhyeok Park, Awais Khan, Jungwhan Park, Chang-Gyu Lee, Woosuk Chung, Youngjae Kim, OctoKV: An Agile Network-based Key-Value Storage System with Robust Load Orchestration, IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS), 2023 [KIISE Outstanding]
[TPDS'20] Hyogi Sim, Awais Khan, Sudharshan Vazhkudai, Seung-Hwan Lim, Ali Butt, Youngjae Kim, An Integrated Indexing and Search Service for Distributed File Systems, IEEE Transactions on Parallel and Distributed Systems, 2020 [Top Journal]
[TPDS'20] Prince Hamandawana, Awais Khan, Chang-Gyu Lee, Sungyong Park, Youngjae Kim, Crocus: Enabling Computing Resource Orchestration for Inline Cluster-wide Deduplication on Scalable Storage Systems, IEEE Transactions on Parallel and Distributed Systems, 2020 [Top Journal]
[FGCS'19] Awais Khan, Taeuk Kim, Hyunki Byun, Youngjae Kim, SCISPACE: A Scientific Collaboration Workspace for GeoDistributed HPC Data Centers, Future Generation Computer Systems, 2019 [Top Journal]
[MASCOTS'18] Awais Khan, Chang-Gyu Lee, Prince Hamandawana, Sungyong Park, Youngjae Kim, A Robust Fault-Tolerant and Scalable Cluster-wide Deduplication for Shared-Nothing Storage Systems, IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems, 2018 [KIISE Outstanding]
[TPDS'17] Youngjae Kim, Scott Atchley, Geoffroy R. Vallée, Sangken Lee, Galen M. Shipman, Optimizing End-to-End Big Data Transfers over Terabits Network Infrastructure, IEEE Transactions on Parallel and Distributed Systems, 2017 [Top Journal]
[SC'17] Hyogi Sim, Youngjae Kim, Sudharshan Vazhkudai, Geoffroy R. Valle ́e, Seung-Hwan Lim, Ali Butt, TagIt: An Integrated Search and Discovery Service for File Systems, ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis, 2017 [KIISE Top]
[SC'15] Hyogi Sim, Youngjae Kim, Sudharshan Vazhkudai, Devesh Tiwari, Ali Anwar, Ali Butt, Lavayna Ramakrishnan, AnalyzeThis: An Analysis Workflow-Aware Storage System, ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis, 2017 [KIISE Top]
[FAST'15] Youngjae Kim, Scott Atchley, Geoffroy R. Vallee, Galen M. Shipman, LADS: Optimizing Data Transfers Using Layout-Aware Data Scheduling, USENIX Conference on File and Storage Technologies, 2015 [KIISE Top]

Performance, Memory, and Energy-Aware HPC Systems

[HPC Asia'21] Awais Khan, Hyogi Sim, Sudharshan S. Vazhkudai, Ali Butt, Youngjae Kim, An Analysis of System Balance and Architectural Trends Based on Top500 Supercomputers, International Conference on High Performance Computing in Asia-Pacific Region, 2021
[SC'17] Xu Ji, Chao Wang, Nosayba El-Sayed, Xiaosong Ma, Youngjae Kim, Sudharshan S. Vazhkudai, Wei Xue, Daniel Sanchez, Understanding Object-level Memory Access Patterns Across the Spectrum, ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis, 2017 [KIISE Top]
[SC'14] Sarp Oral, et al, Best Practices and Lessons Learned from Deploying and Operating Large-Scale Data-Centric Parallel File Systems, ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis, 2014 [KIISE Top]
[IPDPS'12] Chao Wang, Sudharshan Vazhkudai, Xiaosong Ma, Fei Meng, Youngjae Kim, Christian Engelmann, NVMalloc: Exposing an Aggregate SSD Store as a Memory Partition in Extreme-Scale Machines, IEEE Int'l Parallel and Distributed Processing Symposium, 2012 [KIISE Outstanding]
[ICDCS'11] Ramya Prabhakar, Sudharshan Vazhkudai, Youngjae Kim, Ali Butt, Min Li, Mahmut Kantemir, Provisioning a Multi-Tiered Data Staging Area for Extreme-Scale Machines, International Conference on Distributed Computing Systems, 2011 [KIISE Top]
[HPCA'07] Jeonghwan Choi, Youngjae Kim, Anand Sivasubramaniam, Jelena Srebric, Qian Wang, Joonwon Lee, Modeling and Managing Thermal Profiles of Rack-mounted Servers with ThermoStat, International Symposium on High Performance Computer Architecture, 2007 [KIISE Top] [Best Paper Nomination]

Managing Resource Interference in HPC/Clouds

[SIGMETRICS'12] Seung-Hwan Lim, Jae-Seok Huh, Youngjae Kim, Galen M. Shipman, Chita Das, D-Factor: A Quantitative Model of Application Slow-Down in Shared Service Systems with Multiple Resources, ACM Int'l Conference on Measurement and Modeling of Computer Systems, 2012 [KIISE Top]
[HotCloud'11] Seung-Hwan. Lim, Jae-Seok. Huh, Youngjae Kim, Chita Das, Migration, Assignment, and Scheduling of Jobs in Virtualized Environment, USENIX Workshop on Hot Topics in Cloud Computing, 2011
[SC'10] Min Li, Sudharshan Vazhkudai, Ali Butt, Fei Meng, Xiaosong Ma, Youngjae Kim, Christian Engelmann, Galen M. Shipman, Functional Partitioning to Optimize End-to-End Performance on Many-Core Architectures, IEEE/ACM Int'l Conference on High Performance Computing, Networking, Storage and Analysis, 2010 [KIISE Top]

OASIS: Integration of Big Data Query Processing with Object Storage (arXiv '25 and DRBSD ' 25)

HPC Parallel File System (FAST '15)

Analysis-Aware Distributed File System (SC '15)

Searchable DFS (SC '17)

LSM-Based Key-Value Storage Engines

[CCGRID'26] Jaewan Park, Kyungwook Min, Sungjin Byeon, Taewan Noh, Hyungi Park, Xubin He, Hongyeon Kim, Youngjae Kim, BucketLSM: What, After All, Is the I/O Bottleneck Behind L0 Key-Range Overlap in LSM-Based KV Stores?, IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, 2026 [KIISE Outstanding]
[IPDPS'25] Kihwan Kim, Hyunsun Chung, Seonghoon Ahn, Junhyeok Park, Safdar Jamil, Hongsu Byun, Myungcheol Lee, Jinchun Choi, Youngjae Kim, KVAccel: A Novel Write Accelerator for LSM-Tree-Based KV Stores with Host-SSD Collaboration, IEEE Int'l Parallel and Distributed Processing Symposium (IPDPS), 2025 [KIISE Outstanding]
[CCGRID'25] Jeeseob Kim, Hongsu Byun, Seungjae Lee, Myoungjoon Kim, Youngjae Kim, Zaipeng Xie and Sungyong Park, ECO-KVS: Energy-aware Compaction Offloading Mechanism for LSM-tree based Key-Value Stores in Edge Federation, IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, 2025 [KIISE Outstanding]
[MASCOTS'24] Hamin Hwangbo, Joseph Ro, Sungjin Byeon, Safdar Jamil, Junyoung Han, Jooyoung Hwang, Youngjae Kim, Towards A Unified Garbage Collection Strategy in ZNS Key-Value Store File Systems Using Same-Victim GC, IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems, 2024 [KIISE Outstanding]
[MSST'24] Sungjin Byeon, Joseph Ro, Jun Young Han, Jeong-Uk Kang, Youngjae Kim, Ensuring Compaction and Zone Cleaning Efficiency through Same-Zone Compaction in ZNS Key-Value Store, International Conference on Massive Storage Systems and Technology (MSST), 2024 [KIISE Outstanding]
[HotStorage'23] Sungjin Byeon, Joseph Ro, Safdar Jamil, Jeong-Uk Kang, Youngjae Kim, A Free-Space Adaptive Runtime Zone-Reset Algorithm for Enhanced ZNS Efficiency, ACM Workshop on Hot Topics in Storage and File Systems (HotStorage), 2023
[HotStorage'22] Hee-Rock Lee, Chang-Gyu Lee, Seungjin Lee, Youngjae Kim, Compaction-Aware Zone Allocation for LSM based Key-Value Store on ZNS SSDs, ACM Workshop on Hot Topics in Storage and File Systems (HotStorage), 2022

File System, NVMe Driver, and Data Path Optimization

[MICRO'25] Junhyeok Park, Chang-Gyu Lee, Soon Hwang, Seung-Jun Cha, Woosuk Chung, Youngjae Kim, Maximizing Interconnect Bandwidth and Efficiency in NVMe-Based Key-Value SSDs with Fine-Grained Value Transfer, IEEE Micro Special Issue on Cache Coherent Interconnects and Resource Disaggregation Techniques (MICRO), 2025 [Top Journal]
[HotStorage'25] Junhyeok Park, Junghee Lee, Youngjae Kim, ByteExpress: A High-Performance and Traffic-Efficient Inline Transfer of Small Payloads over NVMe, ACM Workshop on Hot Topics in Storage and File Systems (HotStorage), 2025 [Best Paper Award]
[ICPP'24] Junhyeok Park, Chang-Gyu Lee, Soon Hwang, Soonyeal Yang, Jungki Noh, Woosuk Chung, Junghee Lee, Youngjae Kim, BandSlim: A Novel Bandwidth and Space-Efficient KV-SSD with an Escape-from-Block Approach, International Conference on Parallel Processing (ICPP), 2024 [KIISE Outstanding]
[IPDPS'22] Hyungjoon Kwon, Yonghyeon Cho, Awais Khan, Yeohyeon Park, Youngjae Kim, DeNOVA: Deduplication Extended NOVA File System, IEEE Int'l Parallel and Distributed Processing Symposium (IPDPS), 2022 [KIISE Outstanding]
[SAC'21] Min-Gyo Jeong, Chang-Gyu Lee, Dong-Gyu Park, Sungyong Park, Jungki Noh, Woosuk Chung, Kyoung Park, Youngjae Kim, GPUKV: An Integrated Framework with KVSSD and GPU through P2P Communication Support, ACM/SIGAPP Symposium On Applied Computing (SAC) (2021) (Operating Systems Track) [BK21+]
[SAC'21] Chang-Gyu Lee, Sunghyun Noh, Hyeongu Kang, Soon Hwang, Youngjae Kim, Concurrent File Metadata Structure Using Readers-Writer Lock, ACM/SIGAPP Symposium On Applied Computing (SAC) (2021) (Operating Systems Track) [BK21+]
[MASCOTS'20] June-Hyung Kim, Youngjae Kim, Safdar Jamil, Sungyong Park, A NUMA-aware NVM File System Design for Manycore Server Applications, IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2020) [KIISE Outstanding]
[SYSTOR'19] Chang-Gyu Lee, Hyunki Byun, Sunghyun Noh, Hyeongu Kang, Youngjae Kim, Write Optimization of Log-structured Flash File System for Parallel I/O on Manycore Servers, ACM International Systems and Storage Conference (SYSTOR), 2019 [KIISE Outstanding]

Intelligent and Coordinated Flash Storage Arrays

[TECS'24] Hongsu Byun, Safdar Jamil, Jungwook Han, Sungyong Park, Myungcheol Lee, Changsoo Kim, Beongjun Choi, Youngjae Kim, An Analytical Model-based Capacity Planning Approach for Building CSD-based Storage Systems, ACM Transactions on Embedded Computing Systems, 2024 [Top Journal]
[TC'17] Kalidas Ganesh, Youngjae Kim, Monobrata Debnath, Sungyong Park, Junghee Lee, LAWC: Optimizing Write Cache using Layout-Aware I/O Scheduling for All Flash Storage, IEEE Transactions on Computers, 2017 [Top Journal]
[CCGRID'17] Sangken Lee, Hyogi Sim, Youngjae Kim, Sudharshan Vazhkudai, AnalyzeThat: A Programmable Shared-Memory System for an Array of Processing-In-Memory Devices, IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, 2017 [KIISE Outstanding]
[CAL'15] Junghee Lee, Youngjae Kim, Jongman Kim, Galen Shipman, Synchronous I/O Scheduling of Independent Write Caches for an Array of SSDs, IEEE Computer Architecture Letters, 2015 [Top Journal]
[TC'14] Youngjae Kim, Junghee Lee, Sarp Oral, David Dillow, Feiyi Wang, Galen M. Shipman, Coordinating Garbage Collection for Arrays of Solid-state Drives, IEEE Transactions on Computers, 2014 [Top Journal]
[FAST'13] Devesh Tiwari, Simona Bobila, Sudharshan Vazhkudai, Youngjae Kim, Xiaosong Ma, Peter Desnoyers, Yan Solin, Active Flash: Towards Energy-Efficient, In-Situ Data Analytics on Extreme-Scale Machines, USENIX Conference on File and Storage Technologies (FAST) (2013) [KIISE Top]
[MASCOTS'11] Youngjae Kim, Aayush Gupta, Bhuvan Urgaonkar, Piotr Berman, Anand Sivasubramaniam, HybridStore: A Cost-Efficient, High-Performance Storage System Combining SSDs and HDDs, IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems, 2011 [KIISE Outstanding]
[MSST'11] Youngjae Kim, Sarp Oral, Galen M. Shipman, Junghee Lee, David Dillow, Feiyi Wang, Harmonia: A Globally Coordinated Garbage Collector for Arrays of Solid-state Drives, IEEE Symposium on Massive Storage Systems and Technologies, 2011 [KIISE Outstanding]

Performance and Thermal-Aware Coordination in Storage Arrays

[MICRO'06] Sudhanva Gurumurthi, Youngjae Kim, Anand Sivasubramaniam, Using STEAM for Thermal Simulation of Storage Systems, IEEE Micro Special Issue on Computer Architecture Simulation and Modeling, 2006 [Top Journal]
[HPCA'06] Youngjae Kim, Sudhanva Gurumurthi, Anand Sivasubramaniam, Understanding the Performance-Temperature Interactions in Disk I/O of Server Workloads, IEEE Int'l Symposium on High Performance Computer Architecture, 2006 [KIISE Top]

Intelligent Compute-Integrated Solid-State Drive

[MASCOTS'25] Hyunsun Chung, Junhyeok Park, Taewan Noh, Seonghoon Ahn, Kihwan Kim, Ming Zhao, Youngjae Kim, OpenCXD: An Open Real-Device-Guided Hybrid Evaluation Framework for CXL-SSDs, IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2025) [KIISE Outstanding]
[SYSTOR'23] Seungjin Lee, Changgyu Lee, Donghyun Min, Inhyuk Park, Woosuk Chung, Anand Sivasubramaniam, Youngjae Kim, Iterator Interface Extended LSM-tree-based KVSSD for Range Queries, ACM International Systems and Storage Conference (SYSTOR), 2023 [KIISE Outstanding]
[CLUSTER'23] Inhyuk Park, Qing Zeng, Dominic Manno, Soonyeoal Yang, Jason Lee, David Bonnie, Bradley Settlemyer, Youngjae Kim, Woosuk Chung, Gray Grider, KV-CSD: A Hardware-Accelerated Key-Value Store for Data-Intensive Applications, IEEE International Conference on Cluster Computing (CLUSTER), 2023 [KIISE Outstanding]
[TECS'23] Donghyun Min, Kihyun Kim, Chaewon Moon, Awais Khan, Seungjin Lee, Changhwan Yun, Woosuk Chung, Youngjae Kim, A Multi-Tenant Key-Value SSD with Secondary Index for Search Query Processing and Analysis, ACM Transactions on Embedded Computing Systems, 2023 [Top Journal]
[TCAD'22] Donghyun Min, Yungwoo Ko, Ryan Walker, Junghee Lee, Youngjae Kim, A Content-based Ransomware Detection and Backup Solid-State Drive for Ransomware Defense, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2022 [Top Journal]
[HotStorage'21] Donghyun Min, Youngjae Kim, Isolating Namespace and Performance in Key-Value SSDs for Multi-tenant Environments, ACM Workshop on Hot Topics in Storage and File Systems (HotStorage) (2021)
[ASIACCS'20] Jinwoo Ahn, Junghee Lee, Yungwoo Ko, Donghyun Min, Jiyoon Park, Sungyong Park, Youngjae Kim, DiskShield: A Data Tamper-Resistant Storage for Intel SGX, ACM ASIA Conference on Computer and Communications Security (ASIACCS), 2020 [KIISE Outstanding]
[MASCOTS'19] Chang-Gyu Lee, Hyeongu Kang, Donggyu Park, Sungyong Park, Youngjae Kim, Jungki Noh, Woosuk Chung, Kyoung Park, iLSM-SSD: An Intelligent LSM-tree based Key-Value SSD for Data Analytics, IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS), 2019 [KIISE Outstanding]
[CAL'18] Donghyun Min, Donggyu Park, Jinwoo Ahn, Ryan Walker, Junghee Lee, Sungyong Park, Youngjae Kim, Amoeba: An Autonomous Backup and Recovery SSD for Ransomware Defense, IEEE Computer Architecture Letters, 2018 [Top Journal] [2018 Best Paper Award]
[HotStorage'17] Chintan Chavda, Ethan C. Ahn, Yu-Sheng Chen, Youngjae Kim, Kalidas Ganesh, Junghee Lee, Vulnerability Analysis of On-Chip Access-Control Memory, USENIX Workshop on Hot Topics in Storage and File Systems (HotStorage), 2017
[MSST'12] Simona Boboila, Youngjae Kim, Sudharshan Vazhkudai, Peter Desnoyers, Galen M. Shipman, Active Flash: Out-of-core Data Analytics on Flash Storage, IEEE Symposium on Massive Storage Systems and Technologies (MSST) [KIISE Outstanding]
[HotPower'12] Devesh Tiwari, Sudharshan Vazhkudai, Youngjae Kim, Xiaosong Ma, Simona Boboila, Peter Desnoyers, Reducing Data Movement Costs using Energy-Efficient Active, Computation on SSD, USENIX Workshop on Power-Aware Computing and Systems (HotPower), 2012.
[ISPASS'11] Junghee Lee, Youngjae Kim, Galen M. Shipman, Sarp Oral, Feiyi Wang, Jongman Kim, A Semi-Preemptive Garbage Collector for Solid State Drives, IEEE Int'l Symposium on Performance Analysis of Systems and Software (ISPASS), 2011 [KIISE Outstanding] [Best Paper Nomination]
[ASPLOS'09] Aayush Gupta, Youngjae Kim, Bhuvan Urgaonkar, DFTL: A Flash Translation Layer Employing Demand-based Selective Caching of Page-level Address Mappings, International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS) (2009) [KIISE Top]