Hanna Cha HPCP Lab @ Yonsei University

Introduce

I am a PhD student in the HPCP Lab at the Department of Computer Science, Yonsei University, advised by Prof. Youngsok Kim.

• Email: hanna.cha@yonsei.ac.kr
  

Research Interests

• Computer architecture and hardware acceleration
• Processor performance analysis and modeling

Education

• PhD Student, Department of Computer Science and Engineering at Yonsei Univeristy (2024 - Present)
• MSc in Artificial Interlligence, Yonsei University (2022 - 2024)
• BSc in Electrical and Electronic engineering, Kobe University (2018 - 2022)

Publications

1. LATPC: Accelerating GPU Address Translation Using Locality-Aware TLB Prefetching and MSHR Compression
   Yeonan Ha, Jiho Park, Hanna Cha, Jiwon Lee, Joonsung Kim, Won Woo Ro, and Youngsok Kim
   58th IEEE/ACM International Symposium on Microarchitecture (MICRO), Oct. 2025
   Architecture GPU


2. GCStack+GCScaler: Fast and Accurate GPU Performance Analayses Using Fine-Grained Stall Cycle Accounting and Interval Analysis
   Hanna Cha, Sungchul Lee, Jounghoo Lee, Yeonan Ha, Joonsung Kim, and Youngsok Kim
   52nd IEEE/ACM International Symposium on Computer Architecture (ISCA), June 2025
   Architecture Modeling GPU


3. GCStack: A GPU Cycle Accounting Mechanism for Providing Accurate Insight Into GPU Performance
   Hanna Cha, Sungchul Lee, Yeonan Ha, Hanhwi Jang, Joonsung Kim, and Youngsok Kim
   IEEE Computer Architecture Letters (CAL), Oct. 2024
   Architecture Modeling GPU


4. MPC-Wrapper: Fully Harnessing the Potential of Samsung Aquabolt-XL HBM2-PIM on FPGAs
   Jinwoo Choi¹, Yeonan Ha¹, Hanna Cha, Seil Lee, Sungchul Lee, Jounghoo Lee, Shin-haeng Kang, Bongjun Kim, Hanwoong Jung, Hanjun Kim and Youngsok Kim
   32nd IEEE International Symposium On Field-Programmable Custom Computing Machines (FCCM), May. 2024
   ¹Co-first authors
   Architecture FPGA PIM

Awards

• 한일공동이공계학부유학 (Full Scholarship) (Mar. 2017 - Mar. 2022)

Projects

• DPU-Centric Datacenter Architecture for Next-Generation AI Devices, Institute for Information & communications Technology Promotion (IITP)
• Designing a PIM-Based NPU Architecture and FPGA Prototyping, Samsung Advanced Institute of Technology (SAIT)

Teaching

• Discrete Mathematics (2022F, 2023F)
• Computer Architecture (2023S)