diff --git a/_tabs/about.md b/_tabs/about.md index 876790c..2dc9d86 100644 --- a/_tabs/about.md +++ b/_tabs/about.md @@ -6,49 +6,57 @@ order: 4 # Sungchan Yi +- Last updated: 2025-07-18 - Email: [calofmijuck at snu dot ac dot kr](mailto:calofmijuck@snu.ac.kr) +- [CV (pdf)](https://zxcvber.com/files/cv-eng.pdf) -**Research Interests**: Computer architecture and hardware-software co-design +**Research Interests**: computer architecture, hardware-software co-design, security, formal verification ## Education -**Seoul National University** (2024. 9 ~ Present) +**Seoul National University** (Sept. 2024 ~ Present) -- M.S. in Computer Science and Engineering at [Architecture and Code Optimization Lab](https://arc.snu.ac.kr) +- M.S. Candidate in Computer Science and Engineering at [Architecture and Code Optimization Lab](https://arc.snu.ac.kr) - **Advisor**: Professor Jae W. Lee - GPA: 4.18/4.3 -**Seoul National University** (2017. 3 ~ 2024. 2) +**Seoul National University** (Mar. 2017 ~ Feb. 2024) -- B.S. in Computer Science and Engineering, Minor in Mathematics +- B.S. in Computer Science and Engineering, Minor in Mathematical Sciences - GPA: 3.96/4.3 (Summa Cum Laude) -## Experience +## Research Experience -### Undergraduate Researcher +[**Architecture and Code Optimization Lab**](https://arc.snu.ac.kr), *M.S. Candidate* (Mar. 2024 ~ Present) -- [**Cryptography & Privacy Lab**](https://crypto.snu.ac.kr) (2024. 1 ~ 2024. 2) +- Leading **Software Defined Manycores** project - - Implementation of BFV homomorphic encryption scheme and bootstrapping over large message space +[**Cryptography & Privacy Lab**](https://crypto.snu.ac.kr), *Undergraduate Research Assistant* (Jan. 2024 ~ Feb. 2024) -- [**Software Foundations Lab**](https://sf.snu.ac.kr) (2023. 7 ~ 2023. 10) +- Implemented BFV homomorphic encryption scheme and its bootstrapping over a large message space +- Analyzed automorphism group of the plaintext space and determined their effects on ciphertext - - Studies on verifying concurrency models and compilers with Coq +[**Software Foundations Lab**](https://sf.snu.ac.kr), *Undergraduate Research Assistant* (Jul. 2023 ~ Oct. 2023) -- [**Architecture and Code Optimization Lab**](https://arc.snu.ac.kr) (2023. 1 ~ 2023. 3) - - Experiments on efficient knowledge distillation with activation functions +- Implemented stack variable merging optimization that reduces memory allocation calls and tried to prove its correctness with Rocq theorem prover -### Work Experience +[**Architecture and Code Optimization Lab**](https://arc.snu.ac.kr), *Undergraduate Research Assistant* (Jan. 2023 ~ Mar. 2023) -- [**Scatterlab**](https://scatterlab.co.kr) (2020. 11 ~ 2022. 9) +- Implemented a parametrized experiment framework to automate training and evaluation of various CNN models with different activation functions and their knowledge distillation based ReLUifications +- Quantified benefits of ReLUification on sparsity-aware NPU for Samsung mobile SoC in terms of memory footprint and computation reduction - - Backend/Security/SRE Engineer - - Spring Boot (Java) Backend, Docker/Kubernetes, AWS Cloud Security and Operations +## Work Experience -- [**Logpresso**](https://logpresso.com/en) (2019. 7 ~ 2020. 10) +[**Scatterlab**](https://scatterlab.co.kr), *Software Reliability / Security Engineer* (Nov. 2020 ~ Sept. 2022) - - Big Data Platform Engineer - - Java Backend, Data/Query Processing Interface Development +- Spring Boot (Java) Backend, Docker/Kubernetes, AWS Cloud Security and Operations +- Led cloud security project, co-worked with AWS to completely rebuild and secure the cloud infrastructure +- Led software reliability team, cut server operation costs with spot instances and container orchestration + +[**Logpresso**](https://logpresso.com/en), *Big Data Platform Engineer* (Jul. 2019 ~ Oct. 2020) + +- Implemented loggers, parsers, and query commands that collect and analyze data from various sources, applied software-level optimizations to improve performance +- Optimized distributed security operation system from pull to push architecture to reduce latency ## Publications @@ -57,18 +65,43 @@ order: 4 ## Honors & 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 -- **Kwanjeong Educational Foundation Scholarship** - - Full tuition and fees for 2 years of undergraduate studies +**Best Undergraduate Paper Award** + +- Title: Secure IAM on AWS using Multi-Account Strategy + +**Top Prize in Hacking and Defense Contest 2021** + +- Awarded by Korea Internet & Security Agency (KISA) +- Topic: Design and Operation of Secure Cloud Architectures + +**Kwanjeong Educational Foundation Scholarship** + +- Full tuition and fees for 2 years of undergraduate studies + +## Extracurricular Activities + +**Web Administrator of Architecture and Code Optimization Lab** + +- Responsible for maintaining the web infrastructure: website, cloud, accounts, wiki, etc. +- Installation of convenient tools such as shared password manager and schedule notification system + +**Seoul National University College of Engineering Honor Society** (Mar. 2022 ~ Aug. 2023) + +- SNU Tomorrow’s Edge Membership (STEM) +- **Web Administrator**: reduced cloud infrastructure costs by 50% and installed shared storage + +**Guardian**, Seoul National University Security Club (2018 ~ Present) + +- Former president of the club in 2019 +- Taught basic Linux, x86 assembly, and C programming to new members +- Created 30 linux/x86 assembly wargame challenges for members to practice ## Technical Skills & Interests - **Programming Languages**: C/C++, Java, Python, Golang, Coq - **Architectural Simulators**: gem5 -- System/cloud security and cryptography +- **DevOps**: Docker, Kubernetes, AWS +- System/cloud security, cryptography - Compilers and formal verification - Mathematics in general, especially algebra and analysis