Sangwook Shane Hahn

PhD Candidate

20th Samsung Humantech Paper Award - Gold Prize at Computer Science & Engineering, 2014

Korea Computer Congress - Best Paper Award at Mobile Application and System, 2016

Naver PhD Fellowship, 2016

23th Samsung Humantech Paper Award - Participation Prize at Computer Science & Engineering, 2017

  • Performance of NAND flash memory based Storage Systems
  • Lifetime of NAND flash memory
  • I/O Stack Optimization from Application to Storage Device
  • Database Management System Optimization
  • "SOS : Software-based Out-of-Order Scheduling for High-Performance NAND Flash-Based SSDs", Sangwook Shane Hahn, Sungjin Lee, and Jihong Kim, IEEE 29th Symposium on Mass Storage Systems and Technologies (MSST 2013), Long Beach, USA, May 6-10, 2013
  • "Improving NAND Endurance by Dynamic Program and Erase Scaling", Jaeyong Jeong, Sangwook Shane Hahn, Sungjin Lee, and Jihong Kim, USENIX Workshop on Hot Topics in Storage and File Systems (HotStorage '13), San Jose, USA, June 27-28, 2013
  • "Lifetime Improvement of NAND Flash-based Storage Systems Using Dynamic Program and Erase Scaling", Jaeyong Jeong, Sangwook Shane Hahn, Sungjin Lee, and Jihong Kim, USENIX Conference on File and Storage Technologies (FAST '14), Santa Clara, USA, February 17-20, 2014
  • "To Collect or Not to Collect: Just-in-Time Garbage Collection for High-Performance SSDs with Long Lifetimes", Sangwook Shane Hahn, Sungjin Lee, and Jihong Kim, Design Automation Conference (DAC'15), San Francisco, USA, June 7-11, 2015
  • "Improving File System Performance of Mobile Storage Systems Using a Decoupled Defragmenter", Sangwook Shane Hahn, Sungjin Lee, Cheng Ji, Li-Pin Chang, Inhyuk Yee, Liang Shi, Chun Jason Xue and Jihong Kim, USENIX Annual Technical Conference (ATC'17), Santa Clara, USA, July 12-14, 2017
  • "Improving User Experience of Android Smartphones Using Foreground App-Aware I/O Management", Sangwook Shane Hahn, Sungjin Lee, Inhyuk Yee and Jihong Kim, Asia-Pacific Workshop on Systems (APSys'17), Mumbai, India, September 2-3, 2017
  • Research for SSD Endurance Improvement with Data Compression (R&DB, Dec 2013 ~ Nov 2015)
  • Tuning & Benchmark of Computer Parts
  • Overseas Travel
  • Playing Games
  • Chelsea FC