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I am Ph.D Student in the Department of Computer Science Engineering at Sogang University. I am working in DISCOS(Data-Intensive System & Computing) Lab, advised by Prof.Younjae Kim.
Before joining my Ph.D, I received BS and MS Degree at Sogang University and worked at Samsung Electronics DS, Memory Division.
Research Interest
Storage Ecosystem
Linux File System
ZNS(Zoned Namespace SSD) & FDP(Flexible Data Placement)
AI in HPC (Focusing on I/O such as data loading, but not limited to.)
Database
Vertical Query-Pushdown in PrestoDB with DPU
Contact : soonhw@sogang.ac.kr
Work Experience
Work Experience
Oak Ridge National Laboratory
Intern at Technology Integration Group (2024.01-2024.02)
Working on deploying HVAC(High-Velocity AI Cache) to Frontier Supercomputer
Working on developing new caching technique to HVAC
Samsung Electronics DS
SW Engineer at System Software SW Development Team, Memory Division (2022.03-2023.07)
Working on Samsung UFS Feature Driver in Android.
Analyzing Performance of Android I/O patterns from F2FS file system Level to UFS Driver.
Analyzing ZNS & FDP with use-cases.
MagicEco
Intern (2019.07-2019.08)
Autonomous mini car project with Hyundai NGV
Education
Education
2023.09 - Present: Ph.D Course in Computer Science, Sogang University
2020.03 - 2022.02: M.S Degree in Computer Science, Sogang University
Master Thesis: File Metadata I/O Scalability in F2FS File System
2014.03 - 2020.02: B.S Degree in Computer Science, Sogang University (Cum Laude)
Publication
Publication
International Papers
International Papers
Enabling Manycore Scalability in F2FS Metadata for unlink() Operation, S. Hwang, C.-G. Lee, Y. Kim, In Proceedings of the 14th ACM International Systems and Storage Conference - Poster (SYSTOR-Poster) (2021), Virtual, June, 2021.
Concurrent File Metadata Structure using Readers-Writer Lock, C.-G. Lee, S. Noh, H. Kang, S. Hwang, Y. Kim, In Proceedings of the 36th ACM/SIGAPP Symposium On Applied Computing (SAC) (2021), (Operating Systems Track), March 22-26, 2021.
Domestic Papers
Domestic Papers
매니코어 환경에서 Per-Core NAT를 통한 F2FS의 create() 확장성 (Enabling Scalability in F2FS create() by Per-Core NAT) , 황순, 이창규, 한정욱, 김영재 한국소프트웨어종합학술대회 (KSC2021), 평창 휘닉스파크, 2021년 12월 20일-22일 - 한국정보과학회.
매니코어 시스템을 위한 리눅스 파일 시스템의 확장성과 고성능 데이터 처리에 관한 연구 , 황순, 변홍수, 김영재, 박성용, 김종석, 서의성, 정지현, 주용수 한국정보과학회지 (제 39권, 제 11호, 제 24호), 2021년 11월.
CLUE: Compact and Lazy UpdatE를 통한 F2FS에서 Unlink 처리 최적화 (CLUE: Optimizing Unlink() Operation in F2FS by Compact and Lazy UpdatE), 황순, 이창규, 김영재 한국소프트웨어종합학술대회 (KSC2020), 평창 휘닉스파크, 2020년 12월 21일-23일 – 한국정보과학회.
Rewards
Rewards
Korea Software Congress 2021
Best Paper Award
Samsung Electronics
Industrial Scholarship Recipient ( 2021.08~ )
Samsung SDS
Participated in Algorithm training for Selected Students (2018.07)
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