[BK+ IF=2][KIISE Excellence]DeNOVA: Deduplication Extended NOVA File SystemHyungjoon Kwon, Yonghyeon Cho, Awais Khan, Yeohyeon Park, Youngjae KimIn Proceedings of the 36th IEEE Int'l Parallel and Distributed Processing Symposium (IPDPS) (2022), Lyon, France, May 30-June 3, 2022. [Acceptance Rate: 123/474 = 25.9%] [pdf] [talk]
[TCAD] A Content-based Ransomware Detection and Backup Solid-State Drive for Ransomware DefenseDonghyun Min, Yungwoo Ko, Ryan Walker, Junghee Lee, Youngjae KimIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD) (Accepted). [pdf]
[HotStorage] Isolating Namespace and Performance in Key-Value SSDs for Multi-tenant EnvironmentsDonghyun Min, Youngjae Kim. In Proceedings of the 13th ACM Workshop on Hot Topics in Storage and File Systems (HotStorage) (2021), Virtual, July 27-28, 2021. [Acceptance Rate: 15/40 = 37.5%] [Best Paper Award Nomination] [pdf] [talk]
[TPDS] A Probabilistic Machine Learning Approach to Scheduling Parallel Loops with Bayesian OptimizationKhu-rai Kim, Youngjae Kim, Sungyong ParkIEEE Transactions on Parallel and Distributed Systems (TPDS), Vol. 32, No. 7, pp. 1815-1827, July 2021. [pdf]
[BK+ IF=1] Concurrent File Metadata Structure Using Readers-Writer LockChang-Gyu Lee, Sunghyun Noh, Hyeongu Kang, Soon Hwang, Youngjae KimIn Proceedings of the 36th ACM/SIGAPP Symposium On Applied Computing (SAC) (2021) (Operating Systems Track), March 22-26, 2021. [pdf] [talk]
[BK+ IF=1] GPUKV: An Integrated Framework with KVSSD and GPU through P2P Communication SupportMin-Gyo Jeong, Chang-Gyu Lee, Dong-Gyu Park, Sungyong Park, Jungki Noh, Woosuk Chung, Kyoung Park, Youngjae KimIn Proceedings of the 36th ACM/SIGAPP Symposium On Applied Computing (SAC) (2021) (Operating Systems Track), March 22-26, 2021. [pdf] [talk]
[BK+ IF=2] [KIISE Excellence] A NUMA-aware NVM File System Design for Manycore Server ApplicationsJune-Hyung Kim, Youngjae Kim, Safdar Jamil, Sungyong Park. In Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2020), Nice, France, November 17-19, 2020. [Acceptance Rate: 27.0%] [pdf] [talk]
[TPDS] An Integrated Indexing and Search Service for Distributed File SystemsHyogi Sim, Awais Khan, Sudharshan Vazhkudai, Seung-Hwan Lim, Ali Butt, Youngjae KimIEEE Transactions on Parallel and Distributed Systems (TPDS), Vol. 31, No. 10, pp. 2375-2391, October 2020. [pdf]
[BK+ IF=1] [KIISE Excellence] DiskShield: A Data Tamper-Resistant Storage for Intel SGXJinwoo Ahn, Junghee Lee, Yungwoo Ko, Donghyun Min, Jiyoon Park, Sungyong Park, Youngjae KimIn Proceedings of the 15th ACM ASIA Conference on Computer and Communications Security (ASIACCS) (2020), Taipei, Tiwan, October 5-9, 2020. [Acceptance Rate: 67/308=21.7%] [pdf] [talk]
[TPDS] Crocus: Enabling Computing Resource Orchestration for Inline Cluster-wide Deduplication on Scalable Storage SystemsPrince Hamandawana, Awais Khan, Chang-Gyu Lee, Sungyong Park, Youngjae KimIEEE Transactions on Parallel and Distributed Systems (TPDS) (2020), Vol. 31, No. 8, pp. 1740-1753, August 2020. [pdf]
[FGCS] SCISPACE: A Scientific Collaboration Workspace for GeoDistributed HPC Data CentersAwais Khan, Taeuk Kim, Hyunki Byun, Youngjae KimFuture Generation Computer Systems (FGCS) (2019), Vol 101, December 2019, pp. 398-409. [SCI, 5-Year IF: 5.768] [pdf]
[BK+ IF=2] [KIISE Excellence] iLSM-SSD: An Intelligent LSM-tree based Key-Value SSD for Data AnalyticsChang-Gyu Lee, Hyeongu Kang, Donggyu Park, Sungyong Park, Youngjae Kim, Jungki Noh, Woosuk Chung, Kyoung ParkIn Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2019), Rennes, France, October 22-25, 2019. [Acceptance Rate: 29/122 = 23.8%] [pdf] [talk]
[BK+ IF=2] [KIISE Excellence] Towards Robust Data-driven Parallel Loop Scheduling Using Bayesian OptimizationKhu-rai Kim, Youngjae Kim, Sungyong ParkIn Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2019), Rennes, France, October 22-25, 2019. [Acceptance Rate: 32.0%, 39 papers accepted for 29 regular and 10 short papers combined out of 122 submitted] [pdf] [talk]
[KIISE Excellence] Write Optimization of Log-structured Flash File System for Parallel I/O on Manycore ServersChang-Gyu Lee, Hyunki Byun, Sunghyun Noh, Hyeongu Kang, Youngjae KimIn Proceedings of the 12th ACM International Systems and Storage Conference (SYSTOR) (2019), Haifa, Israel, June 2019. [Acceptance Rate: 14/44 = 31.8%, 14 full papers accepted out of 44 submitted] [pdf] [talk]
[TPDS] An Analysis Workflow-Aware Storage System for Multi-Core Active Flash ArraysHyogi Sim, Geffroy Vall ´ee, Youngjae Kim, Sudharshan Vazhkudai, Devesh Tiwari, Ali ButtIEEE Transactions on Parallel and Distributed Systems (TPDS) (2019), Vol. 30, No. 2, pp. 271-285, February 2019. [pdf]
[CAL] Amoeba: An Autonomous Backup and Recovery SSD for Ransomware DefenseDonghyun Min, Donggyu Park, Jinwoo Ahn, Ryan Walker, Junghee Lee, Sungyong Park, Youngjae KimIEEE Computer Architecture Letter (CAL) (2018), 17(2):245-248 (December 2018). [Acceptance Rate: Approximately 24%] [2018 Best Paper Award] [pdf]
[BK+ IF=2] [KIISE Excellence] A Robust Fault-Tolerant and Scalable Cluster-wide Deduplication for Shared-Nothing Storage SystemsAwais Khan, Chang-Gyu Lee, Prince Hamandawana, Sungyong Park, Youngjae KimIn Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2018), Milwaukee, WI, USA, September 25-28, 2018. [pdf] [talk]
[CAL] FeSSD: A Fast Encrypted SSD Employing On-Chip Access-Control MemoryJunghee Lee, Kalidas Ganesh, Hyuk-Jun Lee, Youngjae KimIEEE Computer Architecture Letters (CAL) (2017), 16(2):115-118 (December 2017). [Acceptance Rate: Approximately 24%] [pdf]
[BK+ IF=3] [KIISE Best Excellence] Understanding Object-level Memory Access Patterns Across the SpectrumXu Ji, Chao Wang, Nosayba El-Sayed, Xiaosong Ma, Youngjae Kim, Sudharshan S. Vazhkudai, Wei Xue, Daniel SanchezIn Proceedings of the 2017 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2017), Denver, CO, November 2017. [Acceptance Rate: 61/327 = 18.9%] [pdf] [talk]
[BK+ IF=3] [KIISE Best Excellence] TagIt: An Integrated Search and Discovery Service for File SystemsHyogi Sim, Youngjae Kim, Sudharshan Vazhkudai, Geoffroy R. Valle ́e, Seung-Hwan Lim, Ali ButtIn Proceedings of the 2017 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2017), Denver, CO, November 2017. [Acceptance Rate: 61/327 = 18.9%] [pdf] [talk]
[TC] LAWC: Optimizing Write Cache using Layout-Aware I/O Scheduling for All Flash StorageKalidas Ganesh, Youngjae Kim, Monobrata Debnath, Sungyong Park, Junghee LeeIEEE Transactions on Computer (TC) (2017), Vol. 66, No. 11, pp. 1890-1902, November 2017. [pdf]
[HotStorage] Vulnerability Analysis of On-Chip Access-Control MemoryChintan Chavda, Ethan C. Ahn, Yu-Sheng Chen, Youngjae Kim, Kalidas Ganesh, Junghee LeeIn Proceedings of the 9th USENIX Workshop on Hot Topics in Storage and File Systems (HotStorage) (2017), Santa Clara, CA, July 10-11, 2017. [Acceptance Rate: 21/51 = 41.1%] [pdf] [talk]
[BK+ IF=1] [KIISE Excellence] AnalyzeThat: A Programmable Shared-Memory System for an Array of Processing-In-Memory DevicesSangken Lee, Hyogi Sim, Youngjae Kim, Sudharshan VazhkudaiIEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGRID) (2017), Madrid, Spain, May 2017. [pdf] [talk]
[TPDS] Optimizing End-to-End Big Data Transfers over Terabits Network InfrastructureYoungjae Kim, Scott Atchley, Geoffroy R. Vallée, Sangken Lee, Galen M. ShipmanIEEE Transactions on Parallel and Distributed Systems (TPDS) (2017), Vol. 28, No. 1, pp. 188-201, January 2017. [pdf]
[BK+ IF=3] [KIISE Best Excellence] AnalyzeThis: An Analysis Workflow-Aware Storage SystemHyogi Sim, Youngjae Kim, Sudharshan Vazhkudai, Devesh Tiwari, Ali Anwar, Ali Butt, Lavayna RamakrishnanIn Proceedings of the 2015 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2015), Austin, TX, November 2015. [Acceptance Rate: 79/358 = 22.0%] [pdf]
[CAL] Synchronous I/O Scheduling of Independent Write Caches for an Array of SSDsJunghee Lee, Youngjae Kim, Jongman Kim, Galen ShipmanIEEE Computer Architecture Letters (CAL) (2015), 14(2):79-82 (July 2015). [Acceptance Rate: Approximately 24%] [pdf]
[BK+ IF=3] [KIISE Best Excellence] LADS: Optimizing Data Transfers Using Layout-Aware Data SchedulingYoungjae Kim, Scott Atchley, Geoffroy R. Vallee, Galen M. ShipmanIn Proceedings of the USENIX Conference on File and Storage Technologies (FAST) (2015), San Jose, CA, February, 2015. [Acceptance Rate: 28/130 = 21.5%] [pdf] [talk]
[BK+ IF=3] [KIISE Best Excellence] Best Practices and Lessons Learned from Deploying and Operating Large-Scale Data-Centric Parallel File SystemsSarp Oral, James Simmons, Jason Hill, Dustin Leverman, Feiyi Wang, Matt Ezell, Ross Miller, Douglas Fuller, Raghul Gunasekaran, Youngjae Kim, Saurabh Gupta, Devesh Tiwari, Sudharshan Vazhkudai, James H. Rogers, David Dillow, Galen M. Shipman, Arthur S. BlandIn Proceedings of the 2014 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2014), New Orleans, LA, November 16-21, 2014. [Acceptance Rate: 82/394=21.3%] [pdf]
[TC] Coordinating Garbage Collection for Arrays of Solid-state DrivesYoungjae Kim, Junghee Lee, Sarp Oral, David Dillow, Feiyi Wang, Galen M. ShipmanIEEE Transactions on Computers (TC) (2014), Vol. 63, No. 4, pp. 888-901, April 2014. [pdf]
[BK+ IF=3] [KIISE Best Excellence] Active Flash: Towards Energy-Efficient, In-Situ Data Analytics on Extreme-Scale MachinesDevesh Tiwari, Simona Bobila, Sudharshan Vazhkudai, Youngjae Kim, Xiaosong Ma, Peter Desnoyers, Yan SolinIn Proceedings of the USENIX Conference on File and Storage Technologies (FAST) (2013), San Jose, CA, February, 2013. [Acceptance Rate: 24/127 = 18.9%] [pdf]
[TCAD] Preemptible I/O Scheduling of Garbage Collection for Solid-state DrivesJunghee Lee, Youngjae Kim, Galen M. Shipman, Sarp Oral, Jongman KimIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD) (2013), Vol. 32, No. 2, pp. 247-260, February 2013. [pdf]
[HotPower] Reducing Data Movement Costs using Energy-Efficient Active, Computation on SSDDevesh Tiwari, Sudharshan Vazhkudai, Youngjae Kim, Xiaosong Ma, Simona Boboila, Peter DesnoyersIn Proceedings of the USENIX Workshop on Power-Aware Computing and Systems (HotPower) (2012), co-located with OSDI, Hollywood, CA, October 2012. [Acceptance Rate: 10/39 = 25.6%] [pdf]
[BK+ IF=3] [KIISE Best Excellence] D-Factor: A Quantitative Model of Application Slow-Down in Shared Service Systems with Multiple ResourcesSeung-Hwan Lim, Jae-Seok Huh, Youngjae Kim, Galen M. Shipman, Chita DasIn Proceedings of the ACM Int'l Conference on Measurement and Modeling of Computer Systems (SIGMETRICS) (2012), London, United Kingdom, June 11-15, 2012. [Acceptance Rate: 31/203 = 15.2%] [pdf] [talk]
[BK+ IF=2] [KIISE Excellence] NVMalloc: Exposing an Aggregate SSD Store as a Memory Partition in Extreme-Scale MachinesChao Wang, Sudharshan Vazhkudai, Xiaosong Ma, Fei Meng, Youngjae Kim, Christian EngelmannIn Proceedings of the IEEE Int'l Parallel and Distributed Processing Symposium (IPDPS) (2012), Shanghai, China, May 21-25, 2012. [Acceptance Rate: 118/569 = 20.7%] [pdf]
[BK+ IF=1] [KIISE Excellence] Active Flash: Out-of-core Data Analytics on Flash StorageSimona Boboila, Youngjae Kim, Sudharshan Vazhkudai, Peter Desnoyers, Galen M. ShipmanIn Proceedings of the IEEE Symposium on Massive Storage Systems and Technologies (MSST) (2012), Monterey, CA, April 16-20, 2012. [Acceptance Rate: 14/57 = 24.5%] [pdf] [talk]
[TWEB] Workload Characterization and Performance Implications of Large-Scale Blog ServersMyeongjae Jeon, Youngjae Kim, Jaeho Hwang, Joonwon Lee, Euiseong SeoACM Transactions on the Web (TWEB) (2012), Vol. 6, No. 4, pp. 1-26, November 2012. [pdf]
[BK+ IF=2] [KIISE Excellence] HybridStore: A Cost-Efficient, High-Performance Storage System Combining SSDs and HDDsYoungjae Kim, Aayush Gupta, Bhuvan Urgaonkar, Piotr Berman, Anand SivasubramaniamIn Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2011), Singapore, July 25-27, 2011. [Acceptance rate: 41/157 = 26.1%] [pdf] [talk]
[BK+ IF=3] [KIISE Excellence] Provisioning a Multi-Tiered Data Staging Area for Extreme-Scale MachinesRamya Prabhakar, Sudharshan Vazhkudai, Youngjae Kim, Ali Butt, Min Li, Mahmut KantemirIn Proceedings of the International Conference on Distributed Computing Systems (ICDCS) (2011), Minneapolis, Minnesota, June 20-24, 2011. [Acceptance Rate: 87/565 = 15.1%] [pdf]
[HotCloud] Migration, Assignment, and Scheduling of Jobs in Virtualized EnvironmentSeung-Hwan. Lim, Jae-Seok. Huh, Youngjae Kim, Chita DasIn Proceedings of the USENIX Workshop on Hot Topics in Cloud Computing (HotCloud) (2011), co-located with USENIX ATC, Portland, OR, June 2011. [Acceptance Rate: 23/72 = 31.0%] [pdf]
[BK+ IF=1] [KIISE Excellence] Harmonia: A Globally Coordinated Garbage Collector for Arrays of Solid-state DrivesYoungjae Kim, Sarp Oral, Galen M. Shipman, Junghee Lee, David Dillow, Feiyi WangIn Proceedings of the IEEE Symposium on Massive Storage Systems and Technologies (MSST) (2011), Denver, Colorado, May 23-27, 2011. [Acceptance Rate: 15/63 = 23.8%] [pdf] [talk]
[BK+ IF=1] [KIISE Excellence] A Semi-Preemptive Garbage Collector for Solid State DrivesJunghee Lee, Youngjae Kim, Galen M. Shipman, Sarp Oral, Feiyi Wang, Jongman KimIn Proceedings of the IEEE Int'l Symposium on Performance Analysis of Systems and Software (ISPASS) (2011), Austin, TX, April 10-12, 2011. [Best Paper Award Nomination] [pdf]
[PDSW] Workload Characterization of a Leadership Class StorageYoungjae Kim, Raghul Gunasekaran, Galen M. Shipman, David Dillow, Zhe Zhang, Brad SettlemyerIn Proceedings of the Petascale Data Storage Workshop in conjunction with SC (PDSW) (2010), co-located with SC, New Orleans, LA, November 2010. [pdf] [talk]
[BK+ IF=3] [KIISE Best Excellence] Functional Partitioning to Optimize End-to-End Performance on Many-Core ArchitecturesMin Li, Sudharshan Vazhkudai, Ali Butt, Fei Meng, Xiaosong Ma, Youngjae Kim, Christian Engelmann, Galen M. ShipmanIn Proceedings of the IEEE/ACM Int'l Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2010), New Orleans, LA, November 2010. [Acceptance Rate: 51/253 = 20.1%] [pdf]
[SIMUL] FlashSim: A Simulator for NAND Flash-based Solid-State DrivesYoungjae Kim, Brendan Tauras, Aayush Gupta, Bhuvan Urgaonkar In Proceedings of the International Conference on Advances in System Simulation (SIMUL) (2009), Porto, Portugal, September 2009. [Acceptance Rate: 31.0%] [pdf]
[BK+ IF=4] [KIISE Best Excellence] DFTL: A Flash Translation Layer Employing Demand-based Selective Caching of Page-level Address MappingsAayush Gupta, Youngjae Kim, Bhuvan UrgaonkarIn Proceedings of the International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS) (2009), Washington DC, March 2009. [Acceptance Rate: 29/113 = 21.8%] [pdf]
[TC] CFD-based Tool for Studying Temperature in Rack-mounted ServersJeonghwan Choi, Youngjae Kim, Anand Sivasubramaniam, Jelena Srebric, Qian Wang, Joonwon LeeIEEE Transactions on Computer (TC) (2008), Volume 57, Issue 8, Pages 1129-1142, August 2008. [pdf]
[BK+ IF=4] [KIISE Best Excellence] Modeling and Managing Thermal Profiles of Rack-mounted Servers with ThermoStatJeonghwan Choi, Youngjae Kim, Anand Sivasubramaniam, Jelena Srebric, Qian Wang, Joonwon LeeIn Proceedings of the International Symposium on High Performance Computer Architecture (HPCA) (2007), Phoenix, Arizona, February 2007. [Acceptance Rate: 28/174 = 16.0%] [Best Paper Award Nomination] [pdf]
[BK+ IF=4] [KIISE Best Excellence] Understanding the Performance-Temperature Interactions in Disk I/O of Server WorkloadsYoungjae Kim, Sudhanva Gurumurthi, Anand SivasubramaniamIn Proceedings of the IEEE Int'l Symposium on High Performance Computer Architecture (HPCA) (2006), Austin, Texas, February 2006. [Acceptance Rate: 26/172 = 15.6%] [pdf]
[MICRO] Using STEAM for Thermal Simulation of Storage SystemsSudhanva Gurumurthi, Youngjae Kim, Anand SivasubramaniamIEEE Micro Special Issue on Computer Architecture Simulation and Modeling (MICRO) (2006), Volume 26, Number 4, Pages 43-51, July/August 2006. [pdf]
All Conference/Journal (DISCOS Publications) (Google Scholar Citations)
2022 [DB/OS]
[BK+ IF=2] [KIISE Excellence] DeNOVA: Deduplication Extended NOVA File SystemHyungjoon Kwon, Yonghyeon Cho, Awais Khan, Yeohyeon Park, Youngjae KimIn Proceedings of the 36th IEEE Int'l Parallel and Distributed Processing Symposium (IPDPS) (2022), Lyon, France, May 30-June 3, 2022. [Acceptance Rate: 123/474 = 25.9%] [pdf] [talk]
Exploring Data Deduplication in LSM Tree-based Key-Value StoresSafdar Jamil, Awais Khan, Youngjae Kim Work-In-Progress, USENIX Conference on File and Storage Technologies (FAST) (2022), San Jose, CA, February, 2022. [pdf] [talk] [video]
2021 [OS/DB/Security/Distributed System/ML]
[TCAD] A Content-based Ransomware Detection and Backup Solid-State Drive for Ransomware DefenseDonghyun Min, Yungwoo Ko, Ryan Walker, Junghee Lee, Youngjae KimIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD) (Accepted). [IEEE Xplore]
Is Data Migration Evil in the NVM File System? Jungwook Han, Hongsoo Byun, Hyeongjoon Kown, Sungyong Park, Youngjae Kim In Proceedings of the 9th International Workshop on Autonomic Management of high performance Grid and Cloud Computing (AMGCC) (2021), Virtual, September 27, 2021. [pdf] [talk]
Towards Scalable Manycore-aware Persistent B+-Tree for Efficient Indexing in Cloud EnvironmentSafdar Jamil, Awais Khan, Bernd Burgstaller, Youngjae KimIn Proceedings of the 9th International Workshop on Autonomic Management of high performance Grid and Cloud Computing (AMGCC) (2021), Virtual, September 27, 2021. [pdf] [talk]
A Policy-based Versioning SSD with Intel SGXJinwoo Ahn, Seungjin Lee, Jinhoon Lee, Youngwoo Ko, Junghee Lee, Youngjae KimCryptography and Security (cs.CR), 14 pages, arXiv:2108.06459 [cs.CR], August 14, 2021. [pdf]
Isolating Namespace and Performance in Key-Value SSDs for Multi-tenant EnvironmentsDonghyun Min, Youngjae Kim. In Proceedings of the 13th ACM Workshop on Hot Topics in Storage and File Systems (HotStorage) (2021), Virtual, July 27-28, 2021. [Acceptance Rate: 15/40 = 37.5%] [Best Paper Award Nomination] [pdf] [talk]
[TPDS] A Probabilistic Machine Learning Approach to Scheduling Parallel Loops with Bayesian OptimizationKhu-rai Kim, Youngjae Kim, Sungyong ParkIEEE Transactions on Parallel and Distributed Systems (TPDS), Vol. 32, No. 7, pp. 1815-1827, July 2021. [pdf]
Enabling Manycore Scalability in F2FS Metadata for unlink() OperationSoon Hwang, Changgyu Lee, Youngjae KimIn Proceedings of the 14th ACM International Systems and Storage Conference (SYSTOR) (2021) - Poster Session, Virtual, June 2021. [Acceptance Rate: 10/18 = 55.6%] [paper] [poster]
MOSIQS: Persistent Memory Object Storage with Metadata Indexing and Querying for Scientific ComputingAwais Khan, Hyogi Sim, Sudharshan S. Vazhkudai, Youngjae KimIEEE Access (2021), Vol.09 , pp. 85217-85231, June 2021. [pdf]
[BK+ IF=1] Concurrent File Metadata Structure Using Readers-Writer LockChang-Gyu Lee, Sunghyun Noh, Hyeongu Kang, Soon Hwang, Youngjae KimIn Proceedings of the 36th ACM/SIGAPP Symposium On Applied Computing (SAC) (2021) (Operating Systems Track), March 22-26, 2021. [pdf] [talk]
[BK+ IF=1] GPUKV: An Integrated Framework with KVSSD and GPU through P2P Communication SupportMin-Gyo Jeong, Chang-Gyu Lee, Dong-Gyu Park, Sungyong Park, Jungki Noh, Woosuk Chung, Kyoung Park, Youngjae KimIn Proceedings of the 36th ACM/SIGAPP Symposium On Applied Computing (SAC) (2021) (Operating Systems Track), March 22-26, 2021. [pdf] [talk]
A GPU Scheduling Framework to Accelerate Hyper-Parameter Optimization in Deep Learning ClustersJaewon Son, Yonghyuk Yoo, Khu-rai Kim, Youngjae Kim, Kwonyong Lee, Sungyong Park MDPI Electronics, Vol.10, No. 3, February 2021. [pdf]
Parallelizing Shared File I/O Operations of NVM File System for Manycore ServersJune-Hyung Kim, Youngjae Kim, Safdar Jamil, Chang-Gyu Lee, Sungyong ParkIEEE Access (2021), Vol.09 , pp. 24570-24585, January 2021. [pdf]
An Analysis of System Balance and Architectural Trends Based on Top500 SupercomputersAwais Khan, Hyogi Sim, Sudharshan S. Vazhkudai, Ali Butt, Youngjae KimIn Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region (HPC Asia) (2021), January 20-22, 2021. [pdf] [talk]
2020 [OS/DB/Security/Distributed System/ML]
[BK+ IF=2] [KIISE Excellence] A NUMA-aware NVM File System Design for Manycore Server ApplicationsJune-Hyung Kim, Youngjae Kim, Safdar Jamil, Sungyong Park. In Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2020), Nice, France, November 17-19, 2020. [Acceptance Rate: 27.0%] [pdf] [talk]
Persistent Memory Object Storage and Indexing for Scientific ComputingAwais Khan, Hyogi Sim, Sudharshan S. Vazhkudai, Jinsuk Ma, Myeong-Hoon Oh, Youngjae KimIn Proceedings of the Workshop of Memory Centric High Performance Computing (MCHPC) (2020) held in conjunction with SC '20, November 11, 2020. [pdf] [talk]
A Content Fingerprint-based Cluster-wide Inline Deduplication for Shared-Nothing Storage SystemsAwais Khan, Prince Hamandawana, Youngjae KimIEEE Access (2020), Vol.08 , pp. 209163-209180, November 2020. [pdf]
PhantomFS-v2: Dare You To Avoid This TrapJiwon Choi, Hwiwon Lee, Younggi Park, Huy Kang Kim, Junghee Lee, Youngjae Kim, Gyuho Lee, Shin-Woo Shim, Taeyu KimIEEE Access (2020), Vol.08 , pp. 198285-198300, October 2020. [pdf]
[TPDS] An Integrated Indexing and Search Service for Distributed File SystemsHyogi Sim, Awais Khan, Sudharshan Vazhkudai, Seung-Hwan Lim, Ali Butt, Youngjae KimIEEE Transactions on Parallel and Distributed Systems (TPDS), Vol. 31, No. 10, pp. 2375-2391, October 2020. [pdf]
[BK+ IF=1] [KIISE Excellence] DiskShield: A Data Tamper-Resistant Storage for Intel SGXJinwoo Ahn, Junghee Lee, Yungwoo Ko, Donghyun Min, Jiyoon Park, Sungyong Park, Youngjae KimIn Proceedings of the 15th ACM ASIA Conference on Computer and Communications Security (ASIACCS) (2020), Taipei, Tiwan, October 5-9, 2020. [Acceptance Rate: 67/308=21.7%] [pdf] [talk]
GARET: Improving Throughput using Gas Consumption-aware Relocation in Ethereum Sharding EnvironmentsSangyeon Woo, Jeho Song, Sanghyeok Kim, Youngjae Kim, Sungyong ParkCluster Computing: The Journal of Networks, Software Tools and Applications (2019), Vol.23, No. 3, pp. 2235-2247, September 2020. [pdf]
Position: GPUKV: Towards a GPU-Driven Computing on Key-Value SSDMin-Gyo Jeong, Chang-Gyu Lee, Donggyu Park, Sungyong Park, Youngjae Kim, Jungki Noh, Woosuk Chung, Kyoung ParkPoster Presentation, HotStorage, Virtual, July 13-14, 2020. [poster and video]
Position: SGX-SSD: A Policy-based Versioning SSD with Intel SGXJinwoo Ahn, Seungjin Lee, Jinhoon Lee, Yungwoo Ko, Donghyun Min, Junghee Lee, Youngjae KimPoster Presentation, HotStorage, Virtual, July 13-14, 2020. [poster and video] [arXiv]
Low-overhead Dynamic Sharing of Graphics Memory Space in GPU Virtualization EnvironmentsMinwoo Gu, Young-Hoon Park, Youngjae Kim, Sungyong ParkCluster Computing: The Journal of Networks, Software Tools and Applications (2020), Vol.23, No. 3, pp. 2167-2178, September 2020. [pdf]
ScaleML: Machine Learning based Heap Memory Object Scaling PredictionJoongeon Park, Safdar Jamil, Awais Khan, Sangkeun Lee, Youngjae KimIn Proceedings of the IEEE Non-Volatile Memory Systems and Applications (NVMSA) (2020), Korea, August, 2020. [pdf] [talk]
[TPDS] Crocus: Enabling Computing Resource Orchestration for Inline Cluster-wide Deduplication on Scalable Storage SystemsPrince Hamandawana, Awais Khan, Chang-Gyu Lee, Sungyong Park, Youngjae KimIEEE Transactions on Parallel and Distributed Systems (TPDS) (2020), Vol. 31, No. 8, pp. 1740-1753, August 2020. [pdf]
Optimizing Heap Memory Object Placement in the Hybrid Memory System with Energy ConstraintsTaeuk Kim, Safdar Jamil, Joongeon Park, Youngjae KimIEEE Access (2020), Vol.08 , pp. 130323-130339, July 2020. [pdf]
2019 [OS/DB/Security/Distributed System/HPC/ML]
[FGCS] SCISPACE: A Scientific Collaboration Workspace for GeoDistributed HPC Data CentersAwais Khan, Taeuk Kim, Hyunki Byun, Youngjae KimFuture Generation Computer Systems (FGCS) (2019), Vol 101, December 2019, pp. 398-409. [SCI, 5-Year IF: 5.768] [pdf]
iStore: Towards the Optimization of Federation File SystemsAwais Khan, Muhammad Attique, Youngjae KimIEEE Access (2019), Vol. 7, No. 1, pp. 65652-65666, December 2019. [pdf]
[BK+ IF=2] [KIISE Excellence] iLSM-SSD: An Intelligent LSM-tree based Key-Value SSD for Data AnalyticsChang-Gyu Lee, Hyeongu Kang, Donggyu Park, Sungyong Park, Youngjae Kim, Jungki Noh, Woosuk Chung, Kyoung ParkIn Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2019), Rennes, France, October 22-25, 2019. [Acceptance Rate: 29/122 = 23.8%] [pdf] [talk]
[BK+ IF=2] [KIISE Excellence] Towards Robust Data-driven Parallel Loop Scheduling Using Bayesian OptimizationKhu-rai Kim, Youngjae Kim, Sungyong ParkIn Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2019), Rennes, France, October 22-25, 2019. [Acceptance Rate: 32.0%, 39 papers accepted for 29 regular and 10 short papers combined out of 122 submitted] [pdf] [talk]
pNOVA: Optimizing Shared File I/O Operations of NVM File System on Manycore ServersJoon-Hyung Kim, Jangwoong Kim, Hyeongu Kang, Chang-Gyu Lee, Sungyong Park, Youngjae KimIn Proceedings of the 10th ACM SIGOPS Asia-Pacific Workshop on Systems (APSys) (2019), Hangzhou, China, August 19-20, 2019. [Acceptance Rate: 15/35 = 42.8%] [pdf] [talk]
[KIISE Excellence] Write Optimization of Log-structured Flash File System for Parallel I/O on Manycore ServersChang-Gyu Lee, Hyunki Byun, Sunghyun Noh, Hyeongu Kang, Youngjae KimIn Proceedings of the 12th ACM International Systems and Storage Conference (SYSTOR) (2019), Haifa, Israel, June 2019. [Acceptance Rate: 14/44 = 31.8%, 14 full papers accepted out of 44 submitted] [pdf] [talk]
Understanding the Performance of Storage Class Memory Filesystems in the NUMA architectureJangwoong Kim, Youngjae Kim, Awais Khan, Sungyong ParkCluster Computing: The Journal of Networks, Software Tools and Applications (2019), 22(2): 347-360, June 2019. [pdf]
A Programmable Shared-Memory System for an Array of Processing-In-Memory DevicesSangken Lee, Hyogi Sim, Youngjae Kim, Sudharshan VazhkudaiCluster Computing: The Journal of Networks, Software Tools and Applications (2019), 22(2): 385-398, June 2019. [pdf]
Gas Consumption-aware Dynamic Load Balancing in Ethereum Sharding EnvironmentsSanghyeok Kim, Jeho Song, Sangyeon Woo, Youngjae Kim, Sungyong ParkIn Proceedings of the International Workshop on Autonomic Management of Grid and Cloud Computing (AMGCC) (2019), Umea, Sweden, June 20, 2019. [pdf]
FTLADS: Fault-Tolerant Object-Logging based Big Data Transfer System using Layout-Aware Data SchedulingKasu Preethika, Taeuk Kim, Jung-Ho Um, Kyungsoo Park, Scott Atchley, Youngjae KimIEEE Access (2019), Vol. 7, No. 1, pp. 37448-37462, March 2019. [pdf]
RFTL: Improving Performance of Selective Caching-based Page-level FTL through ReplicationRonnie Mativenga, Joon-Young Paik, Youngjae Kim, Junghee Lee, Tae-Sun ChungCluster Computing: The Journal of Networks, Software Tools and Applications (2019), Vol. 22, No. 1, pp. 25-41, March 2019. [pdf]
Amoeba: An Autonomous Backup and Recovery SSD for Ransomware DefenseDonghyun Min, Donggyu Park, Jinwoo Ahn, Ryan Walker, Junghee Lee, Sungyong Park, Youngjae KimInvited Session Presentation of 2018 Best CAL Papers, HPCA, Washington DC, USA, February 16-20, 2019. [talk]
[TPDS] An Analysis Workflow-Aware Storage System for Multi-Core Active Flash ArraysHyogi Sim, Geffroy Vall ´ee, Youngjae Kim, Sudharshan Vazhkudai, Devesh Tiwari, Ali ButtIEEE Transactions on Parallel and Distributed Systems (TPDS) (2019), Vol. 30, No. 2, pp. 271-285, February 2019. [pdf]
2018 [OS/DB/Security/Distributed System]
DymGPU: Dynamic Memory Management for Sharing GPUs in Virtualized CloudsYoung-Hoon Park, Minwoo Gu, Sungju Yoo, Youngjae Kim, Sungyong ParkIn Proceedings of the International Workshop on Autonomic Management of Grid and Cloud Computing (AMGCC) (2018), Trento, Italy, September, 2018. [pdf],
[CAL] Amoeba: An Autonomous Backup and Recovery SSD for Ransomware DefenseDonghyun Min, Donggyu Park, Jinwoo Ahn, Ryan Walker, Junghee Lee, Sungyong Park, Youngjae KimIEEE Computer Architecture Letter (CAL) (2018), 17(2):245-248 (December 2018). [Acceptance Rate: Approximately 24%] [2018 Best Paper Award] [pdf]
[BK+ IF=2] [KIISE Excellence] A Robust Fault-Tolerant and Scalable Cluster-wide Deduplication for Shared-Nothing Storage SystemsAwais Khan, Chang-Gyu Lee, Prince Hamandawana, Sungyong Park, Youngjae KimIn Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2018), Milwaukee, WI, USA, September 25-28, 2018. [pdf] [talk]
EdgeStore: A Single Namespace and Resource-aware Federation File System for Edge ServersAwais Khan, Muhammad Attique, Youngjae Kim, Sungyong Park, Byungchul TakIn Proceedings of the 2018 IEEE International Conference on Edge Computing (EDGE) (2018) (Edge Cooperation Track), San Francisco, CA, July 2018. [pdf]
NUMA-Aware Thread Scheduling for Big Data Transfers over Terabits Network InfrastructureTaeuk Kim, Awais Khan, Youngjae Kim, Preethika Kasu, Scott AtchleyScientific Programming (SP) (2018), vol. 2018, Article ID 4120561, 8 pages, 2018. [pdf]
Low-Cost Autonomous Backup Mechanism in SSD against RansomwareJunghee Lee, Donghyun Min, Donggyu Park, Sungyong Park, Youngjae Kim Work-In-Progress, USENIX Conference on File and Storage Technologies (FAST) (2018), San Jose, CA, February, 2018.
Employing NVM for Non-blocking Segment Cleaning in F2FSChang-Gyu Lee, Hyunki Byun, Sungyong Park, Youngjae KimWork-In-Progress, USENIX Conference on File and Storage Technologies (FAST) (2018), San Jose, CA, February, 2018.
blkCtrace: Lightweight Block I/O Layer Content Tracing on LinuxDonggyu Park, Youngaje Kim, Sungyong Park Junghee LeeWork-In-Progress, USENIX Conference on File and Storage Technologies (FAST) (2018), San Jose, CA, February, 2018.
Tagged Consistency and Garbage Identification in Deduplication-enabled Storage Systems Awais Khan, Changgyu Lee, Sungyoung Park, Youngjae KimWork-In-Progress, USENIX Conference on File and Storage Technologies (FAST) (2018), San Jose, CA, February, 2018.
2017 [OS/Security/Distributed System/ML/HPC]
[CAL] FeSSD: A Fast Encrypted SSD Employing On-Chip Access-Control MemoryJunghee Lee, Kalidas Ganesh, Hyuk-Jun Lee, Youngjae KimIEEE Computer Architecture Letters (CAL) (2017), 16(2):115-118 (December 2017). [Acceptance Rate: Approximately 24%] [pdf]
[BK+ IF=3] [KIISE Best Excellence] Understanding Object-level Memory Access Patterns Across the SpectrumXu Ji, Chao Wang, Nosayba El-Sayed, Xiaosong Ma, Youngjae Kim, Sudharshan S. Vazhkudai, Wei Xue, Daniel SanchezIn Proceedings of the 2017 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2017), Denver, CO, November 2017. [Acceptance Rate: 61/327 = 18.9%] [pdf] [talk]
[BK+ IF=3] [KIISE Best Excellence] TagIt: An Integrated Search and Discovery Service for File SystemsHyogi Sim, Youngjae Kim, Sudharshan Vazhkudai, Geoffroy R. Valle ́e, Seung-Hwan Lim, Ali ButtIn Proceedings of the 2017 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2017), Denver, CO, November 2017. [Acceptance Rate: 61/327 = 18.9%] [pdf] [talk]
ZonFS: A Storage Class Memory File System with Memory Zone Partitioning on LinuxJang Woong Kim, Jae-Hoon Kim, Awais Khan, Youngjae Kim, Sungyong ParkIn Proceedings of the 5th International Workshop on Autonomic Management of High performance Grid and Cloud Computing (AMGCC) (2017), Tucson, AZ, USA, September, 2017. [pdf]
[TC] LAWC: Optimizing Write Cache using Layout-Aware I/O Scheduling for All Flash StorageKalidas Ganesh, Youngjae Kim, Monobrata Debnath, Sungyong Park, Junghee LeeIEEE Transactions on Computer (TC) (2017), Vol. 66, No. 11, pp. 1890-1902, November 2017. [pdf]
Vulnerability Analysis of On-Chip Access-Control MemoryChintan Chavda, Ethan C. Ahn, Yu-Sheng Chen, Youngjae Kim, Kalidas Ganesh, Junghee LeeIn Proceedings of the 9th USENIX Workshop on Hot Topics in Storage and File Systems (HotStorage) (2017), Santa Clara, CA, July 10-11, 2017. [Acceptance Rate: 21/51 = 41.1%] [pdf] [talk]
[BK+ IF=1] [KIISE Excellence] AnalyzeThat: A Programmable Shared-Memory System for an Array of Processing-In-Memory DevicesSangken Lee, Hyogi Sim, Youngjae Kim, Sudharshan VazhkudaiIEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGRID) (2017), Madrid, Spain, May 2017. [pdf] [talk]
A Quantitative Model of Application Slow-Down in Multi-Resource Shared SystemsSeung-Hwan Lim, Youngjae KimPerformance Evaluation (PEVA) (2017), Vol. 108, pp. 32-47, February 2017. [pdf]
[TPDS] Optimizing End-to-End Big Data Transfers over Terabits Network InfrastructureYoungjae Kim, Scott Atchley, Geoffroy R. Vallée, Sangken Lee, Galen M. ShipmanIEEE Transactions on Parallel and Distributed Systems (TPDS) (2017), Vol. 28, No. 1, pp. 188-201, January 2017. [pdf]
2015 [OS/Distributed System/HPC]
[BK+ IF=3] [KIISE Best Excellence] AnalyzeThis: An Analysis Workflow-Aware Storage SystemHyogi Sim, Youngjae Kim, Sudharshan Vazhkudai, Devesh Tiwari, Ali Anwar, Ali Butt, Lavayna RamakrishnanIn Proceedings of the 2015 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2015), Austin, TX, November 2015. [Acceptance Rate: 79/358 = 22.0%] [pdf]
[CAL] Synchronous I/O Scheduling of Independent Write Caches for an Array of SSDsJunghee Lee, Youngjae Kim, Jongman Kim, Galen ShipmanIEEE Computer Architecture Letters (CAL) (2015), 14(2):79-82 (July 2015). [Acceptance Rate: Approximately 24%] [pdf]
An Empirical Study of Redundant Array of Independent Solid-State Drives (RAIS)Youngjae KimCluster Computing: The Journal of Networks, Software Tools and Applications (2015), Vol. 18, No. 2, pp. 963-977, June 2015. [pdf]
[BK+ IF=3] [KIISE Best Excellence] LADS: Optimizing Data Transfers Using Layout-Aware Data SchedulingYoungjae Kim, Scott Atchley, Geoffroy R. Vallee, Galen M. ShipmanIn Proceedings of the USENIX Conference on File and Storage Technologies (FAST) (2015), San Jose, CA, February, 2015. [Acceptance Rate: 28/130 = 21.5%] [pdf] [talk]
Understanding I/O Characteristics of a Peta-scale Storage SystemYoungjae Kim, Raghul GunasakarenJournal of Supercomputing: An International Journal of High-Performance Computer Design, Analysis, and Use (2015), Vol. 71, No. 3, pp. 761-780, March 2015. [pdf]
2014 [HPC/ML/Archiecture]
[BK+ IF=3] [KIISE Best Excellence] Best Practices and Lessons Learned from Deploying and Operating Large-Scale Data-Centric Parallel File SystemsSarp Oral, James Simmons, Jason Hill, Dustin Leverman, Feiyi Wang, Matt Ezell, Ross Miller, Douglas Fuller, Raghul Gunasekaran, Youngjae Kim, Saurabh Gupta, Devesh Tiwari, Sudharshan Vazhkudai, James H. Rogers, David Dillow, Galen M. Shipman, Arthur S. BlandIn Proceedings of the 2014 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2014), New Orleans, LA, November 16-21, 2014. [Acceptance Rate: 82/394=21.3%] [pdf]
Feedback Computing in Leadership Compute SystemsRaghul Gunasakaren, Youngjae KimIn Proceeding of the 9th USENIX International Workshop on Feedback Computing, co-located with USENIX ATC, Philadelphia, PA, June 2014. [pdf]
[TC] Coordinating Garbage Collection for Arrays of Solid-state DrivesYoungjae Kim, Junghee Lee, Sarp Oral, David Dillow, Feiyi Wang, Galen M. ShipmanIEEE Transactions on Computers (TC) (2014), Vol. 63, No. 4, pp. 888-901, April 2014. [pdf]
HybridPlan: A Capacity Planning Technique for Projecting Storage Requirements in Hybrid Storage SystemsYoungjae Kim, Aayush Gupta, Bhuvan Urgaonkar, Peter Berman, Anand Sivasubramaniam.Journal of Supercomputing: An International Journal of High-Performance Computer Design, Analysis, and Use (2014), Vol. 67, No. 1, pp. 277-303, January 2014. [pdf]
2013 [HPC/Archiecture]
End-to-End Data Movement Using MPI-IO Over Routed Terabits InfrastructuresGeoffroy R. Vallee, Scott Atchley, Youngjae Kim, Galen M. ShipmanIn Proceedings of the IEEE/ACM International Workshop on Network-aware Data Management (NDM) (2013), co-located with SC, Denver CO, November 2013. [pdf]
OLCF’s 1TB/s, Next-Generation Spider File SystemDavid Dillow, Sarp Oral, Douglas Fuller, Jason Hill, Dustin Leverman, Sudharshan Vazhkudai, Feiyi Wang, Youngjae Kim, James H. Rogers, James Simmons, Ross G. MillerIn Proceedings of the Cray User Group conference (CUG) (2013), Napa Valley, CA, May 6-9, 2013. [pdf]
[BK+ IF=3] [KIISE Best Excellence] Active Flash: Towards Energy-Efficient, In-Situ Data Analytics on Extreme-Scale MachinesDevesh Tiwari, Simona Bobila, Sudharshan Vazhkudai, Youngjae Kim, Xiaosong Ma, Peter Desnoyers, Yan SolinIn Proceedings of the USENIX Conference on File and Storage Technologies (FAST) (2013), San Jose, CA, February, 2013. [Acceptance Rate: 24/127 = 18.9%] [pdf]
A Temporal Locality-aware Page-Mapped Flash Translation LayerYoungjae Kim, Aayush Gupta, Bhuvan UrgaonkarJournal of Computer Science and Technology (JCST) (2013), Vol. 28, No. 6, pp. 1025-1044, November 2013. [pdf]
[TCAD] Preemptible I/O Scheduling of Garbage Collection for Solid-state DrivesJunghee Lee, Youngjae Kim, Galen M. Shipman, Sarp Oral, Jongman KimIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD) (2013), Vol. 32, No. 2, pp. 247-260, February 2013. [pdf]
2012 [HPC/Architecture/ML]
Reducing Data Movement Costs using Energy-Efficient Active, Computation on SSDDevesh Tiwari, Sudharshan Vazhkudai, Youngjae Kim, Xiaosong Ma, Simona Boboila, Peter DesnoyersIn Proceedings of the USENIX Workshop on Power-Aware Computing and Systems (HotPower) (2012), co-located with OSDI, Hollywood, CA, October 2012. [Acceptance Rate: 10/39 = 25.6%] [pdf]
[BK+ IF=3] [KIISE Best Excellence] D-Factor: A Quantitative Model of Application Slow-Down in Shared Service Systems with Multiple ResourcesSeung-Hwan Lim, Jae-Seok Huh, Youngjae Kim, Galen M. Shipman, Chita DasIn Proceedings of the ACM Int'l Conference on Measurement and Modeling of Computer Systems (SIGMETRICS) (2012), London, United Kingdom, June 11-15, 2012. [Acceptance Rate: 31/203 = 15.2%] [pdf] [talk]
[BK+ IF=2] [KIISE Excellence] NVMalloc: Exposing an Aggregate SSD Store as a Memory Partition in Extreme-Scale MachinesChao Wang, Sudharshan Vazhkudai, Xiaosong Ma, Fei Meng, Youngjae Kim, Christian EngelmannIn Proceedings of the IEEE Int'l Parallel and Distributed Processing Symposium (IPDPS) (2012), Shanghai, China, May 21-25, 2012. [Acceptance Rate: 118/569 = 20.7%] [pdf]
A Next-Generation Parallel File System Environment for the OLCFGalen M. Shipman, David Dillow, Doug Fuller, Raghul Gunasekaran, J. Hill, Youngjae Kim, Sarp Oral, Doug Reitz, James Simmons, Feiyi WangIn Proceedings of the Cray User Group conference (CUG) (2012), Stuttgart, Germany, April 29-May 3, 2012. [pdf]
[BK+ IF=1] [KIISE Excellence] Active Flash: Out-of-core Data Analytics on Flash StorageSimona Boboila, Youngjae Kim, Sudharshan Vazhkudai, Peter Desnoyers, Galen M. ShipmanIn Proceedings of the IEEE Symposium on Massive Storage Systems and Technologies (MSST) (2012), Monterey, CA, April 16-20, 2012. [Acceptance Rate: 14/57 = 24.5%] [pdf] [talk]
[TWEB] Workload Characterization and Performance Implications of Large-Scale Blog ServersMyeongjae Jeon, Youngjae Kim, Jaeho Hwang, Joonwon Lee, Euiseong SeoACM Transactions on the Web (TWEB) (2012), Vol. 6, No. 4, pp. 1-26, November 2012. [pdf]
2011 and before [Parallel Processing/Distributed System/HPC/Architecture/Energy Management]
Enhancing I/O Throughput via Efficient Routing and Placement for Large-scale Parallel File SystemsDavid Dillow, Sarp Oral, Galen M. Shipman, Zhe Zhang, Youngjae KimIn Proceedings of the IEEE Int’l Performance Computing and Communications Conference (IPCCC) (2011), Orlando, FL, November 17-19, 2011. [Acceptance Rate: 36/129 = 27.9%] [pdf]
[BK+ IF=2] [KIISE Excellence] HybridStore: A Cost-Efficient, High-Performance Storage System Combining SSDs and HDDsYoungjae Kim, Aayush Gupta, Bhuvan Urgaonkar, Piotr Berman, Anand SivasubramaniamIn Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2011), Singapore, July 25-27, 2011. [Acceptance rate: 41/157 = 26.1%] [pdf] [talk]
[BK+ IF=3] [KIISE Excellence] Provisioning a Multi-Tiered Data Staging Area for Extreme-Scale MachinesRamya Prabhakar, Sudharshan Vazhkudai, Youngjae Kim, Ali Butt, Min Li, Mahmut KantemirIn Proceedings of the International Conference on Distributed Computing Systems (ICDCS) (2011), Minneapolis, Minnesota, June 20-24, 2011. [Acceptance Rate: 87/565 = 15.1%] [pdf]
Migration, Assignment, and Scheduling of Jobs in Virtualized EnvironmentSeung-Hwan. Lim, Jae-Seok. Huh, Youngjae Kim, Chita DasIn Proceedings of the USENIX Workshop on Hot Topics in Cloud Computing (HotCloud) (2011), co-located with USENIX ATC, Portland, OR, June 2011. [Acceptance Rate: 23/72 = 31.0%] [pdf]
[BK+ IF=1] [KIISE Excellence] Harmonia: A Globally Coordinated Garbage Collector for Arrays of Solid-state DrivesYoungjae Kim, Sarp Oral, Galen M. Shipman, Junghee Lee, David Dillow, Feiyi WangIn Proceedings of the IEEE Symposium on Massive Storage Systems and Technologies (MSST) (2011), Denver, Colorado, May 23-27, 2011. [Acceptance Rate: 15/63 = 23.8%] [pdf] [talk]
[BK+ IF=1] [KIISE Excellence] A Semi-Preemptive Garbage Collector for Solid State DrivesJunghee Lee, Youngjae Kim, Galen M. Shipman, Sarp Oral, Feiyi Wang, Jongman KimIn Proceedings of the IEEE Int'l Symposium on Performance Analysis of Systems and Software (ISPASS) (2011), Austin, TX, April 10-12, 2011. [Best Paper Award Nomination] [pdf]
A Comprehensive Study on Energy Efficiency and Performance of Flash-based SSDSeonyeong Park, Youngjae Kim, Bhuvan Urgaonkar, Joonwon Lee, Euiseong SeoElsevier Journal of System Architecture (JSA) (2011), Vol. 57, No. 4, pp. 354-365, April 2011. [pdf]
Workload Characterization of a Leadership Class StorageYoungjae Kim, Raghul Gunasekaran, Galen M. Shipman, David Dillow, Zhe Zhang, Brad SettlemyerIn Proceedings of the Petascale Data Storage Workshop in conjunction with SC (PDSW) (2010), co-located with SC, New Orleans, LA, November 2010. [pdf] [talk]
[BK+ IF=3] [KIISE Best Excellence] Functional Partitioning to Optimize End-to-End Performance on Many-Core ArchitecturesMin Li, Sudharshan Vazhkudai, Ali Butt, Fei Meng, Xiaosong Ma, Youngjae Kim, Christian Engelmann, Galen M. ShipmanIn Proceedings of the IEEE/ACM Int'l Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2010), New Orleans, LA, November 2010. [Acceptance Rate: 51/253 = 20.1%] [pdf]
Measurement, Modeling, and Analysis of a Large-scale Blog Sever WorkloadMyoungjae Jeon, Jae-Ho Hwang, Youngjae Kim, Jae-Wan. Jang, Joonwon Lee, Euiseong SeoIn Proceedings of the International Symposium on Social Computing Applications (SCA) (2010), Minneapolis, MN, August 2010. [Invited paper, only 15% selected from SocialCom-10 submissions] [pdf]
FlashSim: A Simulator for NAND Flash-based Solid-State DrivesYoungjae Kim, Brendan Tauras, Aayush Gupta, Bhuvan Urgaonkar In Proceedings of the International Conference on Advances in System Simulation (SIMUL) (2009), Porto, Portugal, September 2009. [Acceptance Rate: 31.0%] [pdf]
[BK+ IF=4] [KIISE Best Excellence] DFTL: A Flash Translation Layer Employing Demand-based Selective Caching of Page-level Address MappingsAayush Gupta, Youngjae Kim, Bhuvan UrgaonkarIn Proceedings of the International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS) (2009), Washington DC, March 2009. [Acceptance Rate: 29/113 = 21.8%] [pdf]
Managing Thermal Emergencies in Disk-Based Storage SystemsYoungjae Kim, Jeonghwan Choi, Sudhanva Gurumurthi, Anand SivasubramaniamJournal of Electronic Packaging, Transactions of the ASME (JEP) (2008), December 2008. [pdf]
[TC] CFD-based Tool for Studying Temperature in Rack-mounted ServersJeonghwan Choi, Youngjae Kim, Anand Sivasubramaniam, Jelena Srebric, Qian Wang, Joonwon LeeIEEE Transactions on Computer (TC) (2008), Volume 57, Issue 8, Pages 1129-1142, August 2008. [pdf]
[BK+ IF=4] [KIISE Best Excellence] Modeling and Managing Thermal Profiles of Rack-mounted Servers with ThermoStatJeonghwan Choi, Youngjae Kim, Anand Sivasubramaniam, Jelena Srebric, Qian Wang, Joonwon LeeIn Proceedings of the International Symposium on High Performance Computer Architecture (HPCA) (2007), Phoenix, Arizona, February 2007. [Acceptance Rate: 28/174 = 16.0%] [Best Paper Award Nomination] [pdf]
[BK+ IF=4] [KIISE Best Excellence] Understanding the Performance-Temperature Interactions in Disk I/O of Server WorkloadsYoungjae Kim, Sudhanva Gurumurthi, Anand SivasubramaniamIn Proceedings of the IEEE Int'l Symposium on High Performance Computer Architecture (HPCA) (2006), Austin, Texas, February 2006. [Acceptance Rate: 26/172 = 15.6%] [pdf]
[MICRO] Using STEAM for Thermal Simulation of Storage SystemsSudhanva Gurumurthi, Youngjae Kim, Anand SivasubramaniamIEEE Micro Special Issue on Computer Architecture Simulation and Modeling (MICRO) (2006), Volume 26, Number 4, Pages 43-51, July/August 2006. [pdf]
Practical Schemes Using Logs for Lightweight Recoverable DSMYoungjae Kim, Soyeon Park, Seungryoul MaengIn Proceedings of the International Conference on Parallel and Distributed Computing and Systems (PDCS) (2003), Marina del Rey, CA, November 2003. [pdf]
Lightweight Logging and Recovery for Distributed Shared Memory over Virtual Interface ArchitectureSoyeon Park, Youngjae Kim, Seungryoul MaengIn Proceedings of the International Symposium on Parallel and Distributed Computing (ISPDC) (2003), Ljubljana, Slovenia, October 2003. [pdf]
US Patent (2)
Method for blocking access of malicious application and storage device implementing the sameY. Kim, J. Lee, J. Ahn, D. Park, S. Park, Patent No. 2020/0042731 A1, Pub. Date: February. 6, 2020. [pdf]
Coordinated Garbage Collection for RAID Array of Solid State DisksD.-A. Dillow, Y. Kim, H.-S. Oral, G.-M. Shipman, F. Wang, U.S. Patent No. 8,713,268 B2, Pub. Date: April 29, 2014. [pdf]
Under Submission (3)
Y. Park, et. al., Enabling a Network Key-Value Store with a Key-Value Storage Interface Using the SPDK, in submission to conference
S. Lee, et. al., Enabling a Complex Query Processing on Key-Value SSD, in submission to conference
D. Min, et. al., A Multi-Tenant Key-Value SSD with Secondary Index for Search Query Processing and Analysis, in submission to TC
S. Jamil, et. al., Scalable NUMA-aware Persistent B+ Tree for Non-Volatile Memory Devices, in submission to Cluster Computing Journal
B. Min, et. al., PBQ: A Persistent Lock-Free Queue with Batching for Non-Volatile Memory, in progress
Note
Underlines denote students I currently (co-)advise, or (have) (co-)advised and myself.BK21 플러스 사업 CS분야 우수국제학술대회: BK+ IF로 표시함정보과학회 소프트웨어분야 우수학술대회: 최우수 논문은 KIISE Best Excellence, 우수 논문은 KIISE Excellence로 표시함최우수 저널은 다음과 같이 표시함. 예) TPDS, TCAD, TC, FGCS
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