Pyeongsu Park
    Research Scientist @ Meta
    
E-mail: pyeongsu _at_ meta.com, pyeongsu _at_ snu.ac.kr, pyeongsu.park _at_ postech.ac.kr  
 
[Google scholar] 	 [Linked In]
    
    
    Research Interests
    
      -  Overall Computer Architecture & Systems 
-  Machine Learning Systems 
-  Storage Systems 
-  Resource Disaggregation 
-  Large-scale System Design & Modeling 
    Research Experiences
    
      - Meta, CA, USA
        
          - Research Scientsit (AI and Systems Co-Design) 
- Mar. 2024 – Current 
 
      - Seoul National University (SNU), Seoul, South Korea
        
          - Research Assistant, High Performance Computer System (HPCS) Lab 
- Advisor: Prof. Jangwoo Kim
- Mar. 2017 – Feb. 2022
 
      - Samsung Semiconductor Inc., CA, USA
        
	  - Visiting Researcher, Memory Solutions Lab 
- Mentor: Dr. Yangseok Ki
- Feb. 2020 – Aug. 2020
 
      - POSTECH, Pohang, South Korea
        
          - Research Assistant, High Performance Computing (HPC) Lab 
- Advisor: Prof. Jangwoo Kim
- Sep. 2015 – Feb. 2017
 
      - POSTECH, Pohang, South Korea
        
          - Research Assistant (as a part of the Lab rotation program), Compiler Research Lab (CoreLab) 
- Advisor: Prof. Hanjoon Kim
- June. 2015 – Aug. 2015
 
      - POSTECH, Pohang, South Korea
        
          - Research Assistant (as a part of the Lab rotation program), Device and Intergrated Circuite Engineering Lab (DICE LAB) 
- Advisor: Prof. Jaejoon Kim
- Mar. 2015 – May. 2015
 
    Education
    
      - Seoul National University (SNU), Seoul, South Korea
        
          - Ph.D. in Electrical and Computer Engineering (ECE) 
- Advisor: Prof. Jangwoo Kim
- Dissertation: Scalable Deep Learning Server Architecture with Heterogeneous Accelerators 
- Mar. 2017 – Feb. 2022 
 
      - POSTECH, Pohang, South Korea
        
          - M.S. in Creative IT Engineering (CiTE) 
- Advisor: Prof. Jangwoo Kim
- Thesis: Analysis on Deduplication Characteristics in Primary Storage 
- Mar. 2015 – Feb. 2017
 
      - StonyBrook, NY, US
        
          - Exchange Student
- June. 2012 – Dec. 2012
 
      - POSTECH, Pohang, South Korea
        
          - B.S. in Creative IT Engineering (CiTE) 
- Summa cum laude 
- Mar. 2012 – Feb. 2015
 
      - Jeonbuk Science High School, Iksan, South Korea
        
      
    Publications
    
    - DLS: A Fast and Flexible Neural Network Training System with Fine-grained Heterogeneous Device Orchestration
    
 Pyeongsu Park, Jaewon Lee, Heetaek Jeong, and Jangwoo Kim
 IEEE Transactions on Parallel and Distributed Systems (TPDS), Volume: 33, Issue: 11, 01 Nov. 2022
 
    - TrainBox: An Extreme-Scale Neural Network Training Server Architecture by Systematically Balancing Operations
    
 Pyeongsu Park, Heetaek Jeong, and Jangwoo Kim
 Proceedings of the 53rd IEEE/ACM International Symposium on Microarchitecture (MICRO), Oct. 2020
 
    - FIDR: A Scalable Storage System for Fine-Grain In-Line Data Reduction with Efficient Memory Handling 
    
 Mohammadamin Ajdari, Wonsik Lee, Pyeongsu Park, Joonsung Kim, and Jangwoo Kim
 Proceedings of the 52nd IEEE/ACM International Symposium on Microarchitecture (MICRO), Oct. 2019
 
    - CIDR: A Cost-Effective In-line Data Reduction System for Terabit-per-Second Scale SSD Arrays 
    
 Mohammadamin Ajdari, Pyeongsu Park, Joonsung Kim, Dongup Kwon, and Jangwoo Kim
 Proceedings of the 25th IEEE International Symposium on High-Performance Computer Architecture (HPCA), Feb. 2019
 Best Paper Runnuer-Up in HPCA 2019
 Honorable Mention in IEEE MICRO Top Picks 2020
 
    - SSDcheck: Timely and Accurate Prediction of Irregular Behaviors in Black-Box SSDs
    
 Joonsung Kim, Pyeongsu Park, Jaehyung Ahn, Jihun Kim, Jong Kim, and Jangwoo Kim
 Proceedings of the 51st IEEE/ACM International Symposium on Microarchitecture (MICRO), Oct. 2018
    - SSD Performance Modeling Using Bottleneck Analysis
    
 Jihun Kim, Joonsung Kim, Pyeongsu Park, Jong Kim, and Jangwoo Kim
 IEEE Computer Architecture Letters (CAL), Jan. 2018
 
 
- A Scalable HW-Based Inline Deduplication for SSD Arrays
    
 *Mohammadamin Ajdari, *Pyeongsu Park, Dongup Kwon, Joonsung Kim, and Jangwoo Kim
 IEEE Computer Architecture Letters (CAL), Jan. 2018 (* equal contribution)
 
      
Invited Talks & Posters 
	-   TrainBox: An Extreme-Scale Neural Network Training Server Architecture by Systematically Balancing Operations, Cloud &  Datacenter @ Micro53, 2020 (virtual) 
-   An Extreme-Scale Neural Network Server Architecture, Samsung Semiconductor Inc., Memory Solutions Lab, 2020 (virtual) 
-   FIDR: A Scalable Storage System for Fine-Grain In-Line Data Reduction with Efficient Memory Handling (Lightning talk & poster), Storage Sytems @ Micro52, Columbus, Ohio, USA, 2019 
-   CIDR: A Cost-Effective In-line Data Reduction System for Terabit-per-Second Scale SSD Arrays, Best Paper Nominees @ HPCA25, Washington D.C., USA, 2019 
Honors and Awards 
    
      - Creative IT Engineering Scholarship for graduate students  (covers full tuition and stipend), Mar. 2015 – Feb. 2017
- Creative IT Engineering Scholarship for undergraduate students  (covers full tuition and stipend), Mar. 2012 – Feb. 2015
- Final Round @ Codegate 2014 CTF (as a member of team PLUS@postech), Apr. 2014
Professional Service
    - 
    Journal Reviewer
    
	-  IEEE Micro, 2023 
-  IEEE Transactions on Emerging Topics in Computing (TETC), 2023 
-  Journal of Supercomputing, 2023 
-  ACM Transactions on Architecture and Code Optimization (TACO), 2022 
-  IEEE Computer Architecture Letters (CAL), 2022 
-  IEEE Transaction on Computers (TC), 2022 
 
Teaching Experience
    
	  - Spring 2018, ECE311 Computer Organization, SNU, Teaching assistant
- Fall 2017, ECE311 Digital System Design and Lab, SNU, Teaching assistant
- Spring 2017, ECE311 Computer Organization, SNU, Teaching assistant
- Spring 2015, CiTE221 Digtal System and Microprocessor Design and Lab, POSTECH, Teaching assistant