Youngjae Kim - National Center for Computational Sciences
Youngjae Kim - National Center for Computational Sciences
Youngjae Kim - National Center for Computational Sciences
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>Youngjae</strong> <strong>Kim</strong>es, Oak Ridge <strong>National</strong> Laboratory, (ORNL TR), February 2012.2. <strong>Youngjae</strong> <strong>Kim</strong>, Ssarp Oral, David Dillow, Feiyi Wang, Doug Fuller, Steve Poole, Galen M. Shipman. AnEmpirical Study of Redundant Array of Independent Solid-State Drives (RAIS). Technical Report,ORNL/TM-2010/61, <strong>National</strong> <strong>Center</strong> <strong>for</strong> <strong>Computational</strong> <strong>Sciences</strong>, Oak Ridge <strong>National</strong> Laboratory, (ORNTR), March 2010. (12 pages)Substantial Software Developed- NVMalloc middleware libarary exploiting NVM devices as a secondary memory partition- PFS I/O optimized data mover (Multi-thread application in C, optimized <strong>for</strong> Lustre parallel file systems).- Enhanced block I/O device benchmark program (using AIO library).- Enhanced MSR SSD simulator to simulate arrays of SSDs.- FlashSim: Developed flash based SSD simulator framework by extending DiskSim3.0, such as Flash layout andFTL, Garbage Collector and Wear-leveler etc. (http://csl.cse.psu.edu/hybridstore)- Fault-Tolerant Software DSM: Developed fault-tolerant software distributed share memory systems withpthreads and user-level DMA operations supported by modern communication protocols under Linux environment.- HybridSim: Extended FlashSim <strong>for</strong> HybridSim to provide hybrid storage simulator employing flash based SSDsand HDDs by integrating the FlashSim with DiskSim3.0. (http://csl.cse.psu.edu/hybridstore)- STEAM: Developed thermal-per<strong>for</strong>mance disk simulator by integrating time-based thermal simulator written inFortran into event-driven per<strong>for</strong>mance simulator in C.- ThermoStat: Developed a detailed 3-dimensional computational fluid dynamics (CFD) based ThermalModelingTool based on Phoenics CFD tool. (http://csl.cse.psu.edu/?q=node/115)- Multiprocessor Cache Protocol: Implemented cache coherency protocols (MESI and Dragon) <strong>for</strong> multiprocessorarchitectures in Simics tool.- LinuxBios: Developed efficient BIOS using Assembly language <strong>for</strong> fast booting of the server.Professional Activities and Service- Grand Proposal Review Activitieso SBIR 2010 by U.S. DOE-Phase I on Cloud & Storageo 2011 Global Research Network Program by <strong>National</strong> Research Foundation of Korea (NRF)o 2011 Korea and US Collaborative Research (KORUS Tech)- Journal Peer Review Activitieso IEEE Computer Society Magazine IT Professionalo IEEE Transactions on Computer (TC)o IEEE Transactions on Parallel and Distributed Systems (TPDS)o IEEE Embedded Systems Letters (ESL)o ACM Transactions on Storage (ACM TOS)o ACM Transactions on Design Automation of Electronic Systems (ACM TODAES)o ACM Transactions on Embedded Computing Systems (ACM TECS)
Change language