Publications

Refereed Conferences

GraphSSD: Graph Semantics Aware SSD“.
Kiran Kumar Matam, Gunjae Koo, Haipeng Zha, Hung-Wei Tseng, Murali Annavaram.
Proceedings of the 46th Annual International Symposium on Computer Architecture (ISCA ’19),  Jun 22–26, 2019. (Acceptance rate: 62/365 = 17.0%) [BibTex][Slides][Paper]

Linebacker: Preserving Victim Cache Lines in Idle Register Files of GPUs“.
Yunho Oh, Gunjae Koo, Murali Annavaram, Won Woo Ro.
Proceedings of the 46th Annual International Symposium on Computer Architecture (ISCA ’19),  Jun 22–26, 2019. (Acceptance rate: 62/365 = 17.0%) [BibTex][Slides][Paper]

CTA-Aware Prefetching and Scheduling“.
Gunjae Koo, Hyeran Jeon, Zhenhong Liu, Nam Sung Kim, Murali Annavaram .
Proceedings of the 32nd IEEE International Parallel and Distributed Processing Symposium (IPDPS ’18),  May 21–25, 2018. (Acceptance rate: 113/461 = 24.5%) [BibTex][Slides][Paper]

Summarizer: Trading Communication with Computing Near Storage“.
Gunjae Koo*, Kiran Kumar Matam*, Te I, Hema Venkata Krishna Giri Nara, Jing Li, Hung-Wei Tseng, Steven Swanson, Murali Annavaram.
Proceedings of the 50th Annual IEEE/ACM International Symposium on Microarchitecture (MICRO ’17),  Oct 14–18, 2017. (Acceptance rate: 61/327 = 18.7%) (* authors contributed equally) [BibTex][Slides][Paper]

Access Pattern-Aware Cache Management for Improving Data Utilization in GPU“.
Gunjae Koo, Yunho Oh, Won Woo Ro, Murali Annavaram.
Proceedings of the 44th Annual International Symposium on Computer Architecture (ISCA ’17),  Jun 24–28, 2017. (Acceptance rate: 54/322 = 16.8%) [BibTex][Slides][Paper]

Warped-Preexecution: A GPU Pre-execution Approach for Improving Latency Hiding.
Keunsoo Kim, Sangpil Lee, Myung Kuk Yoon, Gunjae Koo, Won Woo Ro, Murali Annavaram.
Proceedings of the 22nd International Symposium on High Performance Computer Architecture (HPCA ’16),  Mar 12–16, 2016. (Acceptance rate: 53/240 = 22.1%) [BibTex][Slides][Paper]

Revealing Critical Loads and Hidden Data Locality in GPGPU Applications.
Gunjae Koo, Hyeran Jeon, Murali Annavaram.
Proceedings of the 2015 IEEE International Symposium on Workload Characterization (IISWC ‘15),  Oct 4–6, 2015. (Acceptance rate: 20/61 = 32.8%) [BibTex][Slides][Paper]

Warped-Compression: Enabling Power Efficient GPUs through Register Compression.
Sangpil Lee, Keunsoo Kim, Gunjae Koo, Hyeran Jeon, Won Woo Ro, Murali Annavaram.
Proceedings of the 42nd Annual International Symposium on Computer Architecture (ISCA ’15),  Jun 13–17, 2015. (Acceptance rate: 58/305 = 19.0%) [BibTex][Slides][Paper]

Complementary Block-Based Motion Estimation for Frame Rate Up-Conversion.
Gunjae Koo, Kyoung Won Lim, Seung Jong Choi.
The 2011 IEEE International Conference on Consumer Electronics (ICCE ’11),  Jan 9–12, 2011. [BibTex][Slides][Paper]

A Robust PRML Read Channel with Digital Timing Recovery.
Gunjae Koo, Woochul Jeong, Heesub Lee.
Proceedings of the 2006 IEEE International Symposium on Circuits and Systems (ISCAS ’06),  May 21–24, 2006. [BibTex][Slides][Paper]

A PRML Read Channel for High Density Optical Disc.
Gunjae Koo, Woochul Jeong, Heesub Lee.
The 13th Korean Conference on Semiconductors,  Feb 23–24, 2006.

Journals

Improving Energy Efficiency of GPUs through Data Compression and Compressed Execution“.
Sangpil Lee, Keunsoo Kim, Gunjae Koo, Hyeran Jeon, Murali Annavaram, Won Woo Ro.
IEEE Transactions on Computers (TC),  2016. [BibTex][Paper]

Advanced Frame Rate Conversion without Halo and Judder Effect for 120Hz LCD Displays.
Kyoung Won Lim, Hansoo Kim, Hyunchul Noh, Hyunchul Shin, Woochul Jung, Gunjae Koo, Ryuk Park.
iMiD/IDMC/Asia Display,  Vol. 8 Book-II, pp.1397–1400. 2008.

Workshops and Technical Reports

Dynamic Near Data Processing Framework for SSDs“.
Gunjae Koo, Kiran Kumar Matam, Te I, Hema Venkata Krishna Giri Nara, Jing Li, Hung-Wei Tseng, Steven Swanson, Murali Annavaram.
The 9th Annual Non-Volatile Memories Workshop (NVMW ’18),  Mar 11–13, 2018. [Slides][Paper]

CTA-aware Prefetching for GPGPU.
Hyeran Jeon, Gunjae Koo, Murali Annavaram.
Computer Engineering Technical Report, Ming Hsieh Department of Electrical Engineering,  Oct, 2014. [BibTex][Paper]

Thesis

Architectural Innovations for Mitigating Data Movement Cost on Graphics Processing units and Storage Systems.
Gunjae Koo.
Ph.D. Dissertation. Department of Electrical Engineering, University of Southern California, Aug, 2018.

An Equalizer and Viterbi Decoder Design for 1000BASE-T Gigabit Ethernet.
Gunjae Koo.
M.S. Thesis, Department of Electrical Engineering and Computer Science, Seoul National University,  Feb, 2003.

Patents (U.S.)

Frequency Detection Method for Optical Disc Bit Reproduction Apparatus.
Gunjae Koo, Eun Pyo Lee.
U.S. Patent No. US 7,433,289, Oct 7, 2008. [Doc]

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