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Current position:
I am working at MangoBoost as a System Architect.
Graduate School:
I've earned Ph.D degree under Prof. John Kim at KAIST. I received M.S and B.S degrees at Hongik University, Seoul in Korea. During my Ph.D., our research primarily focused on finding breakthrough for SSD architecture to enable high-performance, highly reliable as well as highly scalable. As a result, we proposed and introduced flash memory interconnection network based on decoupled SSD architecture as the high-performance/capacity SSDs are becoming critical in modern computer system
Thesis: "Communication-centric Storage Architecture for High-bandwidth SSD"
Experiences on Computer Architecture Research:
(had perspective of interconnection network, but not limited)
ㅡ Storage Architecture ㅡ
To enable efficient storage system, Decoupled SSD architecture has been proposed and furthermore, to enhance, Networked SSD, a flash memory interconnection network, has been also proposed
ㅡ GPU Architecture ㅡ
I've studied various aspect of GPU architecture including multi-kernel scheduling/execution, side/covert-channel attack, and on-chip network analysis. Experience includes not only micro architectural understanding, but also various and dynamic aspects of GPU as an accelerator
PUBLICATIONS
PUBLICATIONS
Uncovering Real GPU NoC Characteristics: Implications on Interconnect Architecture [paper]
Zhixian Jin, Christopher Rocca, Jiho Kim, Hans Kasan, Minsoo Rhu, Ali Bakhoda, Tor M. Aamodt, John Kim
Zhixian Jin, Christopher Rocca, Jiho Kim, Hans Kasan, Minsoo Rhu, Ali Bakhoda, Tor M. Aamodt, John Kim
The 57th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2024
Ghost Arbitration: Mitigating Interconnect Side-Channel Timing Attacks in GPU [paper]
Zhixian Jin, Jaeguk Ahn, Jiho Kim, Hans Kasan, Jina Song, Wonjun Song, John Kim
Zhixian Jin, Jaeguk Ahn, Jiho Kim, Hans Kasan, Jina Song, Wonjun Song, John Kim
The 57th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2024
Decoupled SSD: Rethinking SSD Architecture through Network-based Flash Controllers [paper]
Jiho Kim, Myoungsoo Jung, John Kim
The 50th IEEE/ACM International Symposium on Computer Architecture (ISCA) 2023
Networked SSD: Flash Memory Interconnection Network for high-bandwidth SSD [paper]
Jiho Kim, Seokwon Kang, Yongjun Park, John Kim
The 55th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2022
Decoupled SSD: Reducing Data Movement on NAND-based Flash SSD [paper]
Jiho Kim, Myoungsoo Jung, John Kim
IEEE Computer Architecture Letter (CAL) 2021
Network-on-Chip Microarchitecture-based Covert Channel in GPUs [paper]
Jaeguk Ahn, Jiho Kim, Hans Kasan, Leila Delshadtehrani, Wonjun Song, Ajay Joshi, John Kim
The 54th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2021
Trident: A Hybrid Correlation-Collision GPU Cache Timing Attack for AES Key Recovery [paper]
Jaeguk Ahn, Cheolgyu Jin, Jiho Kim, Minsoo Rhu, Yunsi Fei, David Kaeli, John Kim
The 27th IEEE International Symposium on High-Performance Computer Architecture (HPCA) 2021
Bandwidth Bottleneck in Network-on-Chip for High-Throughput Processors (POSTER) [paper]
Jiho Kim, Sanghun Cho, Minsoo Rhu, Ali Bakhoda, Tor M Aamodt and John Kim
Parallel Architectures and Compilation Techniques (PACT) 2020
Navigator: dynamic multi-kernel scheduling to improve GPU performance [paper]
Jiho Kim, John Kim and Yongjun Park
Design Automation Conference (DAC) 2020
Improving GPU multitasking efficiency using dynamic resource sharing [paper]
Jiho Kim, Jason Jong Kyu Park, Dongsuk Jeon and Yongjun Park
IEEE Computer Architecture Letter (CAL) 2018
Efficient GPU multitasking with latency minimization and cache boosting [paper]
Jiho Kim, Minsung Chu and Yongjun Park
IEICE Electronics Express 2017
EDUCATION
Korea Advanced Institute of Science and Technology (KAIST)
Ph.D degree in Electrical Engineering (Advisor: Prof. John Kim ) 2018 Fall ㅡ 2023 Fall
Hongik University
B.S and M.S in Electrical and Electronics Engineering (Advisor: Prof. Yongjun Park ) 2009 Spring ㅡ 2017 Spring
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