Jiwon Song Profile Photo

Jiwon Song | 송지원

Ph.D. Student @ SNU VLSI Lab

Electrical and Computer Engineering, Seoul National University

Research interests in Efficient AI systems — model-level optimization (quantization, pruning), hardware-aware optimization, and serving system optimization, with a focus on LLM inference.

News

Sep 18th, 2025

🎉 Reasoning Path Compression is accepted to NeurIPS 2025!

Publications

2025
Preprint

Reasoning Path Compression: Compressing Generation Trajectories for Efficient LLM Reasoning

Jiwon Song, Dongwon Jo, Yulhwa Kim, Jae-Joon Kim

arXiv preprint arXiv:2505.13866

Preprint

FastKV: KV Cache Compression for Fast Long-Context Processing with Token-Selective Propagation

Dongwon Jo*, Jiwon Song*, Taesu Kim, Yulhwa Kim, Jae-Joon Kim

*Equal contribution

arXiv preprint arXiv:2502.01068

2024
ICML 2024

SLEB: Streamlining LLMs through Redundancy Verification and Elimination of Transformer Blocks

Jiwon Song*, Kyungseok Oh*, Taesu Kim, Hyungjun Kim, Yulhwa Kim, Jae-Joon Kim

*Equal contribution

Proceedings of the 41st International Conference on Machine Learning (ICML) 2024

Education

2024 - Present

Ph.D. Student (Integrated M.S./Ph.D. Program)

Electrical and Computer Engineering, Seoul National University

Advisor: Jae-Joon Kim

2018 - 2024

Bachelor of Science

Electrical and Computer Engineering, Seoul National University

Summa Cum Laude 3.9/4.3

Experiences

2024

Technical Writer

SqueezeBits

2024 Spring

Teaching Assistant

Dept. of Electrical and Computer Engineering, Seoul National University

  • 430.207B 기초전자회로 및 실험 (Introduction to Electronic Circuits)
2023 - 2024

Undergraduate Researcher

VLSI Lab, Seoul National University

  • LLM Quantization and Pruning
2022 Summer

Undergraduate Researcher

SqueezeBits

  • DNN Quantization
2021 - 2022

Undergraduate Researcher

VLSI Lab, Seoul National University

  • Post-training Quantization of vision transformers
2020 - 2021

Military Service

Republic of Korea Army

  • Sergeant