Professor

Youjip Won

He is currently Professor at Division of Electrical and Computer Engineering, Hanyang University, Seoul Korea. He is leading Embedded Software System Lab. He did his BS and MS in Dept. of Computer Science, Seoul National University, Seoul, Korea in 1990 and 1992, respectively. He received his Ph. D in Computer Science from University of Minnesota in 1997. Before joining Hanyang University in 1999, he worked at Intel Corp. as Server Performance Analyst. His research interests include Network Traffic Modeling, Analysis and Characterization, Multimedia system and networking, File and Storage subsystem , Lower power Storage System. In 2006, Multimedia File System project funded by Samsung Electronics was awarded “Best Academy-Industry Collaboration Practice in Samsung Electronics”. In 2007, he was awarded “National Research Lab” grant which is highly selective and prestigeous governmental grant.

Homepage: http://dmclab.hanyang.ac.kr/~yjwon/index.php/Main_Page

PhD Students

Dokeun Lee

Dokeun Lee is a PhD candidate in Department of Computer Science at Hanyang University. He is a member of Embedded Software System Laboratory. His research interests are focused on NVM management system which includes garbage collection, persistent heap, and NVM data structures.

Hu-Ung Lee

Hu-Ung Lee is a PhD Student at Dept. of Computer Science, Hanyang University. He is a member of Embedded Software System Laboratory at Hanyang University.

  • Dokeun Lee, Youjip Won, “Booting Linux Faster” , In proceedings of 2012 3rd IEEE International Conference on Network Infrastructure and Digital Content (IC-NIDC 2012), Sept. 21-23, Bejing, China

Taeho Hwang

Taeho Hwang is a PhD candidate in the Department of Computer Science at Hanyang University. He is working in Embedded Software Systems Laboratory. His research interests are in file systems and storage systems to efficiently exploit persistent memory.

Changhyun Park

Changhyun Park is a PhD student at Embedded Software System Laboratory at Department of Computer Science, Hanyang University. His research interests are focused on the mathematical model of SSD.

  • 황태호, 원유집, “비휘발성 메모리를 고려한 sendfile() 개선”, 한국정보과학회, 2018 한국소프트웨어종합학술대회 (KSC 2018), 2018년 12월 19일 – 12월 21일, 평창 휘닉스 파크
  • 박창현, 조석희, 원유집 “리눅스상의 각 파일 시스템에서의 SSD성능 실험” 한국정보과학회 제36회 정기총회 및 추계학술발표회 (2009. 11)

Minsuk Choi

Minsuk Choi is a PhD student at Embedded Software System Laboratory at Department of Electronics and Computer Engineering, Hanyang University. His research interests are focused on Operating system, File system, Storage subsystem and big data.

joongwoo

Joongwoo Hwang

Joongwoo Hwang is a PhD Student at Dept. of Computer Science, Hanyang University. He is a member of Embedded Software System Laboratory at Hanyang University. His research interests are focused on OS and Embedded System.

  • Jinsoo Yoo, Youjip Won, Joongwoo Hwang, Sooyong Kang, Jongmoo Choi, Sungroh Yoon and Jaehyuk Cha, “VSSIM: Virtual Machine based SSD Simulator”, IEEE 29th Symposium on Mass Storage Systems and Technologies (MSST 2013), Long Beach, California, USA, May 6-10, 2013

오준택

Joontaek Oh

Joontaek Oh is a PhD Student at Department of Computer Science,, Hanyang University. He is a member of Embedded Software System Laboratory. His research interests are File system and Storage. He is researching the improvement of F2FS and EXT4.

김명선

Myeongseon Kim

Myeongseon Kim is a PhD Student at Department of Computer Science, Hanyang University. He is a member of Embeded Software System Laboratory. His research interests are File system and CPU Scheduling. He is doing a research virtual system.

  •  Youjip Won, Jaemin Jung, Gyeongyeol Choi, Joontaek Oh, Seongbae Son, Jooyoung Hwang, Sangyeun Cho “Barrier Enabled IO Stack for Flash Storage”, in proc. of USENIX Conference on File and Storage Technologies (FAST), Oakland, CA, USA, Feb. 12-15, 2018 (Awarded Best Paper)
  • 오준택, 원유집, ” SQLite를 위한 데이터베이스 파일 기반의 멀티 데이터베이스 트랜잭션”, 한국정보과학회, 2018 한국소프트웨어종합학술대회 (KSC 2018), 2018년 12월 19일 – 12월 21일, 평창 휘닉스 파크

MS Students

조정우

Jungwoo Jo

Jungwoo Jo is a MS student at Department of Computer Science, Hanyang University. He is a member of Embedded Software System  Laboratory. His research interests are File system and Machine Learning. He is researching the I/O Pattern Optimization of SQLite in Android.

Yunjuseong

Juseong Yun

Juseong Yun is a MS student at Department of Computer Science, Hanyang University. He is a member of Embedded Software System Laboratory. His research interests are Android and Machine Learning. He is researching SQLite I/O Pattern Optimization in Android

  • Junghoon Kim, Sundoo Kim, Juseong Yun, Youjip Won “Energy Efficient IO stack Design for Wearable Device”, in Proc. of  ACM Symposium on Applied Computing (SAC), Limassol, Cyprus, Apr. 8-12, 2019
  • 김선두, 윤주성, 원유집, “스마트폰 워크로드의 생성” 한국정보과학회, 2017 고신뢰컴퓨팅 하계워크샵 (WDCS 2017), 2017년 8월 16 – 8월 18일, 제주대학교  국제교류회관, 제주
  • 윤주성, 원유집, “스토리즈의 관점에서 살펴본 구글 세이프티넷”, 한국정보과학회, 2018 한국소프트웨어종합학술대회 (KSC 2018), 2018년 12월 19일 – 12월 21일, 평창 휘닉스 파크

img1

Sundoo Kim

Sundoo Kim is a MS Student at Department of Computer Science, Hanyang University. He is a member of Embeded Software System Laboratory. His research interests are File system and Storage. He is researching on the performance improvement of SQLite database.

123

Inyeop Son

Inyeop Son is MS student at Department of Computer Science, Hanyang University. He is a member of Embedded Software System Laboratory. His research interests are Android and Database. He is researching the I/O pattern and SQLite in Android.

  • Junghoon Kim, Sundoo Kim, Juseong Yun, Youjip Won “Energy Efficient IO stack Design for Wearable Device”, in Proc. of  ACM Symposium on Applied Computing (SAC), Limassol, Cyprus, Apr. 8-12, 2019
  • 김선두, 윤주성, 원유집, “스마트폰 워크로드의 생성” 한국정보과학회, 2017 고신뢰컴퓨팅 하계워크샵 (WDCS 2017), 2017년 8월 16 – 8월 18일, 제주대학교  국제교류회관, 제주
  • 김선두, 원유집, “멀티파일 워크로드의 생성”, 한국정보과학회, 2018 한국소프트웨어종합학술대회 (KSC 2018), 2018년 12월 19일 – 12월 21일, 평창 휘닉스 파크

김형춘(수정)1

Hyeongjun Kim

Hyeongjun Kim is MS student at Department of Computer Science, Hanyang University. He is a member of Embedded Software System Laboratory. His research interests are Linux kernel, especially memory management and CPU Scheduling. He is doing a research to remove memory overhead

leew

Wonjoung Lee

Wonjoung Lee is MS student at Department of Computer Science, Hanyang University. He is a member of Embedded Software System Laboratory. His research interests are File system and kernel hacking. He is researching the barrier enabled IO stack for flash storage.

  • 김형준, 원유집, “매니코어 환경에서 Rocks DB의 확장성 연구”, 한국정보과학회, 2018 한국소프트웨어종합학술대회 (KSC 2018), 2018년 12월 19일 – 12월 21일, 평창 휘닉스 파크
  • 이원종, 원유집, “트랜잭션을 사용하는 파일시스템에서 저널 충돌 분석”, 한국정보과학회, 2018 한국소프트웨어종합학술대회 (KSC 2018), 2018년 12월 19일 – 12월 21일, 평창 휘닉스 파크

Intern

증명사진

Kyoungho Koo

Kyoungho Koo is BS student at Department of Computer Science, Hanyang University. He is a member of Embedded Software System Laboratory. His research interests are Micro-Controller Operation System and Visual system.

사진_편집본

Jihye Eom

Jihye Eom is BS student at Department of Computer Science, Hanyang University. She is a member of Embedded Software System Laboratory. Her research interests are File system and computer security.

123

Kiwon Kim

Kiwon Kim is BS student at Department of Computer Science, Hanyang University. He is a member of Embedded Software System Laboratory. His research interests are File system and Embedded system.

KakaoTalk_Photo_2018-11-21-21-18-45

Jaehyun Park

Jaehyun Park is BS student at Department of Computer Science, Hanyang University. He is a member of Embedded Software System Laboratory. His research interests are File system and Embedded system.

img117_(1)

Hyeongjun Jeon

Hyeongjun Jeon is BS student at Department of Computer Science, Hanyang University. He is a member of Embedded Software System Laboratory. His research interests are File System and Deep learning.

Alumni

  • 유진수(Yoo, Jinsoo) , 삼성전자, 2018
  • 조민재(Cho, Minjae) ,(주) 우아한형제들 , ,
  • 김선녕(Kim, Sunyoung) , , ,
  • 최경열(Choi, Gyeongyeol), TMaxSoft, 2017
  • 노연진(Noh, Yeonjin), LG CTO, 2017
  • 손성배(Son, Seongbae), HP, 2017
  • 김지현(Kim, Jihyun), , 2017
  • 이성진(Lee, Seongjin), 경상대학교, 2016
  • 천승용(Cheon, Seungyong), LG CTO, 2016
  • 손한근(Son, Hankeun ), , 2016
  • 유밝은(Yoo, Balgeun), LG CTO, 2016
  • 정재민(Jung, Jaemin), Texas A&M Univ., 2016
  • 이성수(Lee, Seongsu), LG CTO, 2016
  • Dam Quang Tuan,Vietnam National Univ, 2016
  • 이건우(Lee, Keonwoo), Future Systems, 2016
  • 임은령(Lim, Eunryoung),네이버 랩스, 2016
  • 이원건(Lee, Onegun), 삼성전자, 2016
  • 김명식(Kim, Myungsik), 삼성전자, 2016
  • 이철희(Lee, Choelhee), 아리온 테크놀로지, 2015
  • 박찬현(Park, Chanhyun), SK hynix, 2015
  • 박동일(Park, Dongil), 삼성전자, 2015
  • 임경렬(Lim, Kyeongyeol),BIGSOFT3A, 2015
  • 김준엽(Kim, Junyeop), 티맥스데이터, 2015
  • 김규일(Kim, Kyuil), LG CTO, 2014
  • 정수만(Jeong, Sooman), 삼성전자, 2014
  • 이기성(Lee, Kisung), 삼성전자, 2013
  • 신진철(Shin, Jinchul), SK Planet, 2013
  • 김재운(Kim, Jaewoon), , 2013
  • 정창훈(Jeong, Changhun),티맥스데이터, 2013
  • 조석희(Cho, Seokhei), LG CTO, 2013
  • 김종민(Gim, Jongmin),Samsung MSL, 2012
  • 김해성(Kim, Haesung), LG CTO, 2012
  • 홍성우(Hong, Sungwoo), , 2011
  • 唐 智(Tang Zhi),중국 Zhejiang시 금감원 , 2011
  • 김주현(Kim, Joohyun), 삼성전자, 2011
  • 이철목(Lee, Chulmok),삼성전자, 2011
  • 구자진(Koo, Jajin), 이오테크닉스, 2011
  • 전태종(Quan, TaiZhong),중국산업은행, 2011
  • 윤대영(Yoon, Daeyoung),교대역 소재 감리회사, 2011
  • Dashdorj Yamkhin, Mongolia Univ. of Science and Technology,2010
  • 최정헌(Choi, JeongHeon),Self-employeed, 2010
  • 이광호(Lee, Kwangho), 삼성전자, 2010
  • 어해동(Yeo, Dylan), 삼성전자,2010
  • 김요환(Kim, Yohwan), LG전자, 2009
  • 박진희(Park, Jinhee), 삼성전자, 2009
  • 최민석(Choi, Minseok), 매크로 임팩트(주), 2009
  • 신형종(Shin, Hyungjong), 삼성전자, 2008
  • 장재혁(Chang, Jaehyeok), , 2008
  • 조성호(Cho, Sungho), , 2008
  • 한석희(Han, SeokHee), , 2008
  • 민재홍(Min, Jaehong),삼성전자 ,2008
  • 반종명(Ban, Jong-Myeong), 삼성전자 , 2008
  • 전병길(Jeon, Byunggil), 삼성전자 , 2007
  • 김은기(Kim, Eunki), 삼성전자 , 2007
  • 김락기(Kim, Rak-ki), 삼성전자 , 2007
  • 김영진(Kim,Youngjin), NHN, 2007
  • 박동주(Park, Dongju), Kakao, 2007
  • 박재석(Park, Jaeseok), 삼성전자, 2007
  • 이모원(Lee, Mowon),Naver, 2007
  • 이주훤(Lee, Juhwon), (주)만도, 2007
  • 정형원(Jung, Hyungwon),삼성전자 , 2007
  • 정원민(Jung, Wonmin),LG CTO , 2007
  • 한영수(Han, Youngsoo), 삼성전자, 2006
  • 노승현(Noh, Seunghyun),(주)만도, 2006
  • 류재민(Ryu, Jaemin), 삼성전자, 2006
  • 고영준(Goh, Youngun),태민시스템, 2006
  • 이시창(Lee, Sichang), 삼성 S1, 2006
  • 한영수(Han, Youngsoo), 삼성전자, 2006
  • 방창대(Bang, Changdae), , ,
  • 강성주(Kang, Sungjoo), ETRI, 2005
  • 김재한(Kim, Jaehan), , 2005
  • 윤영성(Yun, Youngsung), 삼성전자, 2005
  • 김효준(Kim, Hyojun), Google, 2005
  • 장인광(Jang Ingwang), 삼성전자, 2005
  • 장형규(Jang, Hyeonggyu),CTRing, 2005
  • 김두한(Kim, Duhan), 삼성전자, 2004
  • 강광석(Gang, Gwangseok), 삼성전자, 2004
  • 천지원(Chen, Jiwon), 삼성전자, 2004
  • 송동현(Song, Donghyun), 삼성전자, 2004
  • 이용만(Lee, Youngman), KOTBA, 2004
  • 김진용(Kim, Jinyong), 한국전자통신연구원, 2004
  • 양승헌(Yang, Seunhyun), 넥슨코리아, 2004
  • 최정완(Choi, Jungwan), LG 전자 MC연구소, 2003
  • 송승호(Song, Seungho), 삼성전자,2003
  • 심보욱(Shim, Bouk),LG전자, 2002
  • 오창영(Oh, Changyoung), Reakosys, 2002
  • 차승일(Cha, Seungil), TG삼보컴퓨터, 2002
  • 백국실(Baek, Guksil), Nexdigm, 2002
  • 박진연(Park, Jinyeon),LG전자,2002
  • 김범은(Kim, Beopeun), 삼성전자, 2002
  • 조경선(Cho, Kyungsun), 삼성전자, 2001

Collaborators

Jongmoo Choi

Jongmoo Choi is an Associate Professor at School of Computer Science and Engineering, Dankook University, Korea. He received the BS degree in oceanography from Seoul National University, Korea, in 1993 and the MS and PhD degrees in computer engineering from Seoul National University in 1995 and 2001, respectively. His research interests include file systems, flash memory, embedded systems, and virtualization technology.

Homepage: http://embedded.dankook.ac.kr/~choijm/

Jeongseok Ha

Jeongseok Ha is currently an Associate Professor of Electrical Engineering at KAIST. He received 2003 Ph. D. in Electrical and Computer Engineering, Georgia Institute of Technology, U.S.A. His research interests include Rate-adaptive channel coding, Channel coding for storages and communication systems, Channel codes defined on graphs such as low-density-parity-check(LDPC) codes, Tornado codes, Turbo codes, Information theorical security: Wiretap channel.

Homepage: http://ccit.kaist.ac.kr/

Kangyoon Lee

Kangyoon Lee is an Associate Professor of Department of Electronics Engineering, SungKyunKwan University. He received the B.S., M.S. and Ph.D. degrees in the School of Electrical Engineering from Seoul National University, Seoul, Korea, in 1996,1998, and 2003, respectively. His research interests include implementation of CMOS RF transceiver, analog integrated circuits, and analog/digital mixed-mode VLSI system design.

Homepage: http://www.iclab.co.kr/

Jaekyun Moon

Jaekyun Moon is a Professor of Electrical Engineering at KAIST. Prof. Moon received a BSEE degree with high honor from Stony Brook University and M.S. and Ph.D. degrees in Electrical and Computer Engineering at Carnegie Mellon University. Prof. Moon’s research interests are in the area of channel characterization, signal processing and coding for data storage and digital communication. He also worked as Chief Technology Officer at Link-A-Media Devices Corp. in 2008. He is an IEEE Fellow.

Homepage: http://comstolab.kaist.ac.kr/

Incheol Park

Incheol Park is a Professor in the Department of Electrical Engineering and Computer Science at KAIST. He received the B.S. degree in Electronics Engineering from Seoul National University in 1986, the M.S. and Ph.D. degrees in Electrical Engineering from Korea Advanced Institute of Science and Technology(KAIST) in 1988 and 1992, respectively. His current research interests include CAD algorithms for high-level synthesis and VLSI architectures for general-purpose microprocessors. He is a senior member of the IEEE.

Homepage: http://ics.kaist.ac.kr/

Yeonseung Ryu

Yeonseung Ryu is an Associate Professor at Department of Computer Software, Myongji University, Korea. He received his BS, MS and Ph.D in the Dept. of Computer Science and Statistics, Seoul National University, Korea. His research interests include Operating Systems, Storage Systems, Multimedia Systems, and Network Systems.

Homepage: http://syso.mju.ac.kr/

Ilhoon Shin

Ilhoon Shin is a Professor in the Department of Electrical Engineering and Computer Science at KAIST. He received the B.S. degree in Electronics Engineering from Seoul National University in 1986, the M.S. and Ph.D. degrees in Electrical Engineering from Korea Advanced Institute of Science and Technology(KAIST) in 1988 and 1992, respectively. His current research interests include CAD algorithms for high-level synthesis and VLSI architectures for general-purpose microprocessors. He is a senior member of the IEEE.

Homepage: http://blue.snut.ac.kr/~ihshin/

Sungroh Yoon

Sungroh Yoon is an Assistant Professor of Electrical Engineering at Seoul University, Seoul, Korea. His research interests include high-performance solid-state drive (SSD) architecture based on NAND flash and other emerging non-volatile memory devices. He is also interested in SSD-based energy- efficient system design and biocomputation.

Homepage: http://acl.korea.ac.kr/

Industry Collaborators

Samsung

LG

ETRI