Seongyon Hong

20 papers C 4Journal 6Unranked 10
YearRankTypeTitle / Venue / Authors
2026 — conf
31.5 SoulMate: A 9.8mW Mobile Intelligence System-on-Chip with Mixed-Rank Architecture for On-Device LLM Personalization.
ISSCC
Seongyon Hong, Jiwon Choi, Jeonggyu So, Nayeong Lee, Wooyoung Jo, Zhamaliddin Kalzhan, Woojin Chin, Hoi-Jun Yoo
2025 — conf
23.7 BROCA: A 52.4-to-559.2mW Mobile Social Agent System-on-Chip with Adaptive Bit-Truncate Unit and Acoustic-Cluster Bit Grouping.
ISSCC
Wooyoung Jo, Seongyon Hong, Jiwon Choi, Beomseok Kwon, Haoyang Sang, Dongseok Im, Sangyeob Kim, Sangjin Kim, Taekwon Lee, Hoi-Jun Yoo
2025 C conf
A 17.1 TOPS/W FP-INT Transformer Inference Accelerator with Sparsity Boosting and Output Importance-Aware Processing.
ISCAS
Jeonggyu So, Seongyon Hong, Jiwon Choi, Wooyoung Jo, Sangjin Kim, Hoi-Jun Yoo, Donghyeon Han
2025 C conf
A 65.1 TOPS/W Digital CIM Processor for Ultra-Low-Bit Transformers with Multiplexer-based Adder and Scaling Factor-based Reordering.
ISCAS
Nayeong Lee, Sangyeob Kim, Seongyon Hong, Jiwon Choi, Hoi-Jun Yoo
2025 — conf
BROCA: A Low-power and Low-latency Conversational Agent RISC-V System-on-Chip for Voice-interactive Mobile Devices.
HCS
Wooyoung Jo, Seongyon Hong, Jiwon Choi, Beomseok Kwon, Haoyang Sang, Dongseok Im, Sangyeob Kim, Sangjin Kim, Chaeyun Jeong, Yujin Moon, Hoi-Jun Yoo
2025 J jnl
C-Transformer: An Energy-Efficient Homogeneous DNN-Transformer/SNN-Transformer Processor for Large Language Models.
IEEE J. Solid State Circuits
Sangyeob Kim, Sangjin Kim, Wooyoung Jo, Soyeon Kim, Seongyon Hong, Nayeong Lee, Jungwan Lee, Hoi-Jun Yoo
2025 J jnl
Dyamond: Compact and Efficient 1T1C DRAM IMC Accelerator With Bit Column Addition for Memory-Intensive AI.
IEEE J. Solid State Circuits
Seongyon Hong, Wooyoung Jo, Sangjin Kim, Sangyeob Kim, Soyeon Um, Kyomin Sohn, Hoi-Jun Yoo
2024 — conf
20.5 C-Transformer: A 2.6-18.1μJ/Token Homogeneous DNN-Transformer/Spiking-Transformer Processor with Big-Little Network and Implicit Weight Generation for Large Language Models.
ISSCC
Sangyeob Kim, Sangjin Kim, Wooyoung Jo, Soyeon Kim, Seongyon Hong, Hoi-Jun Yoo
2024 C conf
A 28.6 mJ/iter Stable Diffusion Processor for Text-to-Image Generation with Patch Similarity-based Sparsity Augmentation and Text-based Mixed-Precision.
ISCAS
Jiwon Choi, Wooyoung Jo, Seongyon Hong, Beomseok Kwon, Wonhoon Park, Hoi-Jun Yoo
2024 J jnl
A 28.6 mJ/iter Stable Diffusion Processor for Text-to-Image Generation with Patch Similarity-based Sparsity Augmentation and Text-based Mixed-Precision.
CoRR
Jiwon Choi, Wooyoung Jo, Seongyon Hong, Beomseok Kwon, Wonhoon Park, Hoi-Jun Yoo
2024 — conf
A Low-Power Large-Language-Model Processor with Big-Little Network and Implicit-Weight-Generation for On-Device AI.
HCS
Sangyeob Kim, Sangjin Kim, Wooyoung Jo, Soyeon Kim, Seongyon Hong, Nayeong Lee, Hoi-Jun Yoo
2024 J jnl
C-DNN: An Energy-Efficient Complementary Deep-Neural-Network Processor With Heterogeneous CNN/SNN Core Architecture.
IEEE J. Solid State Circuits
Sangyeob Kim, Soyeon Kim, Seongyon Hong, Sangjin Kim, Donghyeon Han, Jiwon Choi, Hoi-Jun Yoo
2024 J jnl
COOL-NPU: Complementary Online Learning Neural Processing Unit.
IEEE Micro
Sangyeob Kim, Soyeon Kim, Seongyon Hong, Sangjin Kim, Jiwon Choi, Donghyeon Han, Hoi-Jun Yoo
2024 — conf
DualNet: Efficient Integration of Artificial Neural Network and Spiking Neural Network with Equivalent Conversion.
AICAS
Seongyon Hong, Sangyeob Kim, Soyeon Kim, Hoi-Jun Yoo
2024 — conf
Dyamond: A 1T1C DRAM In-memory Computing Accelerator with Compact MAC-SIMD and Adaptive Column Addition Dataflow.
VLSI Technology and Circuits
Seongyon Hong, Wooyoung Jo, Sangjin Kim, Sangyeob Kim, Kyomin Sohn, Hoi-Jun Yoo
2024 J jnl
LOG-CIM: An Energy-Efficient Logarithmic Quantization Computing-In-Memory Processor With Exponential Parallel Data Mapping and Zero-Aware 6T Dual-WL Cell.
IEEE J. Solid State Circuits
Soyeon Um, Sangjin Kim, Seongyon Hong, Sangyeob Kim, Hoi-Jun Yoo
2023 C conf
A 332 TOPS/W Input/Weight-Parallel Computing-in-Memory Processor with Voltage-Capacitance-Ratio Cell and Time-Based ADC.
ISCAS
Seongyon Hong, Soyeon Um, Sangjin Kim, Sangyeob Kim, Wooyoung Jo, Hoi-Jun Yoo
2023 — conf
C-DNN: A 24.5-85.8TOPS/W Complementary-Deep-Neural-Network Processor with Heterogeneous CNN/SNN Core Architecture and Forward-Gradient-Based Sparsity Generation.
ISSCC
Sangyeob Kim, Soyeon Kim, Seongyon Hong, Sangjin Kim, Donghyeon Han, Hoi-Jun Yoo
2023 — conf
COOL-NPU: Complementary Online Learning Neural Processing Unit with CNN-SNN Heterogeneous Core and Event-driven Backpropagation.
COOL CHIPS
Sangyeob Kim, Soyeon Kim, Seongyon Hong, Sangjin Kim, Donghyeon Han, Jiwon Choi, Hoi-Jun Yoo
2023 — conf
LOG-CIM: A 116.4 TOPS/W Digital Computing-In-Memory Processor Supporting a Wide Range of Logarithmic Quantization with Zero-Aware 6T Dual-WL Cell.
A-SSCC
Soyeon Um, Sangjin Kim, Seongyon Hong, Sangyeob Kim, Hoi-Jun Yoo