I am an Assistant Professor at University of Central Florida (UCF), Department of Computer Science. I generally develop architecture/compiler co-design solutions to improve performance, reduce hardware complexity, and address reliability/security problems. I received my Ph.D degree from Purdue University under the guidance of Prof. Changhee Jung in 2022. Prior to joining in UCF, I worked at ARM Research in 2020 Summer with Prof. Fredrik Kjolstad in Stanford and COMMIT group in MIT. I also worked for NASA EpSCoR under Prof. Alexandre Martin at University of Kentucky (2017). I was a research engineer at LG Electronics Car Laboratory studying about high performance embedded system design (2012-2015). I was honored to receive an ACM SIGBED Paul Caspi Memorial Dissertation Award (2023).
■ Congratulations to Junyeong (and Nick) for winnng 2nd place in the ACM SIGBED Student Research Competition 2024!
■ One paper is accepted by TDSC'24! Congratulations to Zhenyu and all collaborators!
■ One paper is accepted by MICRO'24! Congratulations to Jaeseok!
■ One paper is accepted by ICCAD'24! Congratulations to Gan!
■ One paper is accepted by EMSOFT'24! Congratulations to Jaeseok!
■ A new grant awarded from ETRI.
■ Two papers are accepted by NVMW'24!
■ Received ACM SIGBED Paul Caspi Memorial Dissertation Award!
■ A new grant awarded from NSF.
■ One paper is accepted by MICRO'23! ■ A new grant awarded from ETRI.
■ One paper is accepted by ISCA'23! ■ Two papers are accepted by NVMW'23! ■ Our CapOS is accepted by EMSOFT'22! ■ Our RockClimb is accepted by RTAS'22! ■ Our ReplayCache is accepted by MICRO'21! ■ Invited talk for Compiler class at Purdue! ■ Our CoSpec is nominated as Memorable Paper Award Finalist at NVMW'21! ■ Invited talk for Compiler class at VT! ■ Our CoSpec is accepted by MICRO'19! ■ Our Elastin is accepted by RTAS'19!
Old News
■ Youngkwang Han, Zhenyu Hu, Jongouk Choi, Kazi Abu Zubair, Amro Awad, Changhee Jung, and Brent Byunghoon Kang
"A Novel Efficient Crash Consistency Solution
Enabling Rollback Recovery for Secure NVM in
Low-power Energy Harvesting Systems",
IEEE Transactions on Dependable and Secure Computing 2024
■ Jaeseok Choi, Hyunwoo Joe, Changhee Jung, and Jongouk Choi
"Defending Against EMI Attacks on Just-In-Time Checkpoint for Resilient Intermittent Systems",
[top-tier] the 57th IEEE/ACM International Symposium on Microarchitecture (MICRO), Austin, TX, Nov. 2024.
■ Gan Fang, Jongouk Choi, and Changhee Jung,
"Hybrid Power Failure Recovery for Intermittent Computing",
[top-tier] ACM/IEEE International Conference on Computer-Aided Design (ICCAD), Newark, NJ, Oct. 2024.
■ Jongouk Choi, Jaeseok Choi, Hyunwoo Joe, and Changhee Jung,
"Caphammer: Exploiting Capacitor Vulnerability of Energy Harvesting Systems",
[top-tier] ACM SIGBED International Conference on Embedded Software (EMSOFT), Raleigh, NC, Sep. 2024.
■ Yuchen Zhou, Jianping Zeng, Jungi Jeong, Jongouk Choi, and Changhee Jung,
"SweepCache: Intermittence-Aware Cache on the Cheap",
15th Annual Non-Volatile Memories Workshop (NVMW'24), San Diego, March 2024.
■ Jongouk Choi, Jianping Zeng, Dongyoon Lee, Changwoo Min, and Changhee Jung,
"Write-Light Cache for Energy Harvesting Systems",
15th Annual Non-Volatile Memories Workshop (NVMW'24), San Diego, March 2024.
■ Yuchen Zhou, Jianping Zeng, Jungi Jeong, Jongouk Choi, and Changhee Jung,
"SweepCache: Intermittence-Aware Cache on the Cheap",
[top-tier] the 56th IEEE/ACM International Symposium on Microarchitecture (MICRO), Toronto, Canada, Oct. 2023.
■ Jongouk Choi, Jianping Zeng, Dongyoon Lee, Changwoo Min, and Changhee Jung,
"Write-Light Cache for Energy Harvesting Systems",
[top-tier] 50th ACM/IEEE International Symposium on Computer Architecture (ISCA), Orlando, Florida, June, 2023.
■ Jongouk Choi, Hyunwoo Joe, and Changhee Jung,
"CapOS: Capacitor Error Resilience for Energy Harvesting Systems",
14th Annual Non-Volatile Memories Workshop (NVMW'23), San Diego, March 2023.
■ Jongouk Choi,
Larry Kittinger, Qingrui Liu, and
Changhee Jung,
"Compiler-Directed High-Performance Intermittent Computation with Power Failure Immunity",
14th Annual Non-Volatile Memories Workshop (NVMW'23), San Diego, March 2023.
■ Jongouk Choi, Hyunwoo Joe, and Changhee Jung,
"CapOS: Capacitor Error Resilience for Energy Harvesting Systems",
[top-tier] ACM SIGBED International Conference on Embedded Software (EMSOFT), Oct. 2022.
■ Jianping Zeng, Jongouk Choi, Xinwei Fu, Ajay P. Shreepathi, Dongyoon Lee, Changwoo Min, and Changhee Jung,
"ReplayCache: Enabling Volatile Caches for Energy Harvesting Systems"
13th Annual Non-Volatile Memories Workshop (NVMW), Virtual, May 2022.
■ Jongouk Choi,
Larry Kittinger, Qingrui Liu, and
Changhee Jung,
"Compiler-Directed High-Performance Intermittent Computation with Power Failure Immunity",
[top-tier] the 28th IEEE Real-Time
and Embedded Technology and Applications Symposium
(RTAS'22), Milano, Italy, May 2022.
■ Jianping Zeng, Jongouk Choi, Xinwei Fu, Ajay P. Shreepathi, Dongyoon Lee, Changwoo Min, and Changhee Jung,
"ReplayCache: Enabling Volatile Caches for Energy Harvesting Systems"
[top-tier]
54th IEEE/ACM International Symposium on Microarchitecture (MICRO'21), October 2021.
■ Jongouk Choi, Qingrui Liu, and Changhee Jung,
"CoSpec: Compiler Directed Speculative Intermittent Computation"
12th Annual Non-Volatile Memories Workshop (NVMW), Virtual, March 2021.
Memorable Paper Award Finalist
■ Jongouk Choi, Qingrui Liu, and
Changhee Jung,
"CoSpec: Compiler Directed Speculative Intermittent
Computation"
[top-tier] 52nd IEEE/ACM International Symposium on
Microarchitecture (MICRO'19), Columbus, Ohio, October 2019.
■ Jongouk Choi,
Hyunwoo Joe, Yongjoo Kim, and
Changhee Jung,
"Achieving Stagnation-Free Intermittent
Computation with Boundary-Free Adaptive
Execution",
[top-tier] the 25th IEEE Real-Time
and Embedded Technology and Applications Symposium
(RTAS'19), Montreal, Canada, April 2019.
■ Jongouk
Choi, Chi
Shen, Jens Hannemann,
Siddhartha
Bhattacharyya,
"Real-time
server overloaded monitoring
algorithm using back
propagation artificial neural
network"
IEEE 7th Annual
Computing and Communication Workshop and
Conference (CCWC'17), Las Vegas, Feb 2017.
■ CDA 5106 Advanced Computer Architecture, Spring 2025
■ CDA 5106 Advanced Computer Architecture, Spring 2024
■ CDA 3103 Computer Logic and Organization, Fall 2023
■ CDA 5106 Advanced Computer Architecture, Spring 2023
■ CDA 3103 Computer Logic and Organization, Fall 2022
■ Organizing Committee: PACT'24 (Publications Chair), ISCA'23 (Publications Chair)
■ Program Committee: ISCA'25 (LPC), GLSVLSI'24, LCTES'23, PACT'22(SRC)
■ Journal Reviewer: TACO'24, TECS'24, TECS'23, CAL'22
■ Sub-reviewer: MICRO'24, ISCA'23, MICRO'22, ISCA'22, CGO'22, ASPLOS'22, MICRO'21, ASPLOS'21, PPoPP'21, CGO'21, MICRO'20, PPoPP'20, CASES'20, CGO'20, MICRO'19, ASPLOS'19, CGO'19, ASPLOS'19, ASPLOS'18
■ Derrick Greenspan (Postdoc)
■ Noureldin Hassan
■ Junyeong Park
■ Jaeseok Choi
■ Nicholas L'Heureux
■ Sevitha Anandaraj
■ Zhenyu Hu, MS 2024.
■ ACM SIGBED Paul Caspi Memorial Dissertation Award (Sep.2023)
■ NSF CISE CSR Small - Lead PI (Aug.2023)
■ Memorable Paper Finalist - 12th Annual Non-Volatile Memories Workshop (Mar.2021)
■ 1stPlace - Graduate Student Competition - Kentucky Academy of Science (Nov.2016)
■LG Electronics Vehicle Component Company Headquarter Award (Jul.2015)
■Kentucky State University President Award (Feb.2012)
■Kyonggi Governor Award, South Korea (Aug.2011)