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# Sungchan Yi

- Email: [calofmijuck at snu dot ac dot kr](mailto:calofmijuck@snu.ac.kr)
- Website: [this](https://blog.zxcvber.com/about)

**Research Interests**: Computer architecture and hardware-software co-design

## Education

**Seoul National University** (2024. 9 ~ Present)

- M.S. in Computer Science and Engineering at [Architecture and Code Optimization Lab](https://arc.snu.ac.kr)
- **Advisor**: Professor Jae W. Lee
- GPA: 4.0/4.3

**Seoul National University** (2017. 3 ~ 2024. 2)

- B.S. in Computer Science and Engineering, Minor in Mathematics
- GPA: 3.96/4.3 (Summa Cum Laude)

## Experience

### Undergraduate Research Intern

[**Cryptography & Privacy Lab**](https://crypto.snu.ac.kr) (2024. 1 ~ 2024. 2)

- Implementation of BFV homomorphic encryption scheme and bootstrapping over large message space

[**Software Foundations Lab**](https://sf.snu.ac.kr) (2023. 7 ~ 2023. 10)

- Studies on verifying concurrency models and compilers with Coq

[**Architecture and Code Optimization Lab**](https://arc.snu.ac.kr) (2023. 1 ~ 2023. 3)

- Experiments on efficient knowledge distillation with activation functions

### Work Experience

[**Scatterlab**](https://scatterlab.co.kr) (2020. 11 ~ 2022. 9)

- Backend/Security/SRE Engineer
- Spring Boot (Java) Backend, Docker/Kubernetes, AWS Cloud Security and Operations

[**Logpresso**](https://logpresso.com/en) (2019. 7 ~ 2020. 10)

- Big Data Platform Engineer
- Java Backend, Data/Query Processing Interface Development

## Publications

- **[ACCV'24]** Soosung Kim, Yeonhong Park, Hyunseung Lee, **Sungchan Yi**, and Jae W. Lee, "ReLUifying Smooth Functions: Low-Cost Knowledge Distillation to Obtain High-Performance ReLU Networks", *Asian Conference on Computer Vision (ACCV)*, Hanoi, Vietnam, December 2024. ([PDF](https://arc.snu.ac.kr/pubs/ACCV24_ReLU.pdf))
- **Sungchan Yi**, "Secure IAM on AWS with Multi-Account Strategy", *Undergraduate Thesis*, December 2023. **Received best undergraduate paper award.** ([PDF](https://arxiv.org/pdf/2501.02203))

## Projects

- [Multi-task fine-tuning with BERT](https://github.com/calofmijuck/pytorch-bert-fine-tuning)
    - Replicating the results in the BERT paper and improving BERT through multi-task learning
- Letter/News Service for Korea Army Training Center
    - Simplified lettering service and automated news articles for trainees
- Private Medical Chatbot with HEaaN
    - Application of privacy-preserving machine learning using homomorphic encryption

## Awards

- **Best Undergraduate Paper Award**
    - Title: Secure IAM on AWS using Multi-Account Strategy
- **Top Prize in HDCON 2021** (Hacking and Defense Contest)
    - Topic: Design and Operation of Secure Cloud Architectures

## Technical Skills & Interests

- **Programming Languages**: C/C++, Java, Python, Golang, Coq
- **Architectural Simulators**: gem5
- System/cloud security and cryptography
- Compilers and formal verification
- Mathematics in general, especially algebra and analysis