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feat: update GPA
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# Sungchan Yi
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- Last updated: 2025-11-20
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- Last updated: 2026-02-10
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- Email: [calofmijuck at snu dot ac dot kr](mailto:calofmijuck@snu.ac.kr)
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**Research Interests**: computer architecture, hardware-software co-design, cryptography, formal verification
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## Education
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**Seoul National University** (Sept. 2024 ~ Present)
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**Seoul National University** (Sept. 2024 - Present)
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- M.S. Candidate in Computer Science and Engineering at [Architecture and Code Optimization Lab](https://arc.snu.ac.kr)
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- **Advisor**: Professor Jae W. Lee
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- GPA: 4.18/4.3
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- GPA: 4.2/4.3
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**Seoul National University** (Mar. 2017 ~ Feb. 2024)
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**Seoul National University** (Mar. 2017 - Feb. 2024)
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- B.S. in Computer Science and Engineering, Minor in Mathematical Sciences
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- GPA: 3.96/4.3 (Summa Cum Laude)
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## Research Experience
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[**Architecture and Code Optimization Lab**](https://arc.snu.ac.kr), *M.S. Candidate* (Mar. 2024 ~ Present)
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[**Architecture and Code Optimization Lab**](https://arc.snu.ac.kr), *M.S. Candidate* (Mar. 2024 - Present)
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- Leading **Software Defined Manycores** project
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- *More details in the CV*
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[**Cryptography & Privacy Lab**](https://crypto.snu.ac.kr), *Undergraduate Research Assistant* (Jan. 2024 ~ Feb. 2024)
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[**Cryptography & Privacy Lab**](https://crypto.snu.ac.kr), *Undergraduate Research Assistant* (Jan. 2024 - Feb. 2024)
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- Implemented generalized BFV scheme with bootstrapping based on CKKS bootstrapping techniques
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- Analyzed automorphism group of the plaintext space and determined their effects on ciphertext
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[**Software Foundations Lab**](https://sf.snu.ac.kr), *Undergraduate Research Assistant* (Jul. 2023 ~ Oct. 2023)
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[**Software Foundations Lab**](https://sf.snu.ac.kr), *Undergraduate Research Assistant* (Jul. 2023 - Oct. 2023)
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- Implemented stack variable merging optimization that reduces memory allocation calls and tried to prove its correctness with Rocq theorem prover
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[**Architecture and Code Optimization Lab**](https://arc.snu.ac.kr), *Undergraduate Research Assistant* (Jan. 2023 ~ Mar. 2023)
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[**Architecture and Code Optimization Lab**](https://arc.snu.ac.kr), *Undergraduate Research Assistant* (Jan. 2023 - Mar. 2023)
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- Implemented a parametrized experiment framework to automate training and evaluation of various CNN models with different activation functions and their knowledge distillation based ReLUifications
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- Quantified benefits of ReLUification on sparsity-aware NPU for Samsung mobile SoC in terms of memory footprint and computation reduction
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## Work Experience
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[**Scatterlab**](https://scatterlab.co.kr), *Software Reliability / Security Engineer* (Nov. 2020 ~ Sept. 2022)
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[**Scatterlab**](https://scatterlab.co.kr), *Software Reliability / Security Engineer* (Nov. 2020 - Sept. 2022)
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- Spring Boot (Java) Backend, Docker/Kubernetes, AWS Cloud Security and Operations
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- Led cloud security project, co-worked with AWS to completely rebuild and secure the cloud infrastructure
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- Led software reliability team, cut server operation costs with spot instances and container orchestration
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[**Logpresso**](https://logpresso.com/en), *Big Data Platform Engineer* (Jul. 2019 ~ Oct. 2020)
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[**Logpresso**](https://logpresso.com/en), *Big Data Platform Engineer* (Jul. 2019 - Oct. 2020)
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- Implemented loggers, parsers, and query commands that collect and analyze data from various sources, applied software-level optimizations to improve performance
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- Optimized distributed security operation system from pull to push architecture to reduce latency
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## Publications
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- **Sungchan Yi**, Keun Soo Lim, Hoyeon Jo, Sungjun Jung, Minwoo Kwak, Dongoh Kim, Luigi Cussigh, Seong Hoon Seo, Jinkyu Jeong, Jae W. Lee, "Software-Defined Manycores via Hardware-Managed Preemptive Coroutine Scheduling", _International Symposium on Computer Architecture (ISCA)_, 2026. (Submitted)
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- **[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))
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- **Sungchan Yi**, "Secure IAM on AWS with Multi-Account Strategy", _Undergraduate Thesis_, December 2023. **Outstanding Undergraduate Thesis Award.** ([PDF](https://arxiv.org/pdf/2501.02203))
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@@ -86,12 +85,12 @@ order: 0
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- Responsible for maintaining the web infrastructure: website, cloud, accounts, wiki, etc.
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- Installation of convenient tools such as shared password manager and schedule notification system
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**Seoul National University College of Engineering Honor Society** (Mar. 2022 ~ Aug. 2023)
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**Seoul National University College of Engineering Honor Society** (Mar. 2022 - Aug. 2023)
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- SNU Tomorrow’s Edge Membership (STEM)
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- **Web Administrator**: reduced cloud infrastructure costs by 50% and installed shared storage
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**Guardian**, Seoul National University Security Club (2018 ~ Present)
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**Guardian**, Seoul National University Security Club (2018 - Present)
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- Former president of the club in 2019
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- Taught basic Linux, x86 assembly, and C programming to new members
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