Department of Computer Science, Virginia Tech, Blacksburg, VA, USA.|Department of Computer Science & Engineering, Incheon National University, Incheon, South Korea.|Department of Computer Engineering, Gachon University, Seongnam, South Korea.|Department of Computer Engineering, Gachon University, Seongnam, South Korea.|Biomedical HPC Technology Research Center, Korean Institute of Science and Technology Information, Daejeon, South Korea.|Department of Computer Engineering, Gachon University, Seongnam, South Korea. ymyoon@gachon.ac.kr.