Congming GAO is currently an Associate Professor with the School of Information Science, Xiamen University, Xiamen, China. He was a Postdoctoral Researcher with the Department of Computer Science and Technology, Tsinghua University. He received the Ph.D. degree in Computer Science with the College of Computer Science, Chongqing University, Chongqing, China. He was a Research Assistant with the Department of Computer Science, City University of Hong Kong (CityU), Kowloon, Hong Kong. He was a Visiting Researcher with the Department of Electrical and Computer Engineering, University of Pittsburgh (PITT), Pittsburgh, PA, USA.

My research topics include Flash Memory, Embedded System and Emerging Non-volatile Memory.

(C25) Xufeng Yang, Jiancong Zheng and Congming Gao*. "In-place Switch: Reprogramming based SLC Cache Design for Hybrid 3D SSDs" (The 17th International Conference on Networking, Architecture, and Storage, NAS'24, November 2024.)

(C24) Jian Chen, Congming Gao*, Youyou Lu, Yuhao Zhang and Jiwu Shu*. "Ares-Flash: Efficient Parallel Integer Arithmetic Operations Using NAND Flash Memory" (The 57th IEEE/ACM International Symposium on Microarchitecture, MICRO'24, November 2024.) (CCF-A)

(C23) Yumiao Zhao, Jiancong Zheng, Gangyong Jia, Liang Shi and Congming Gao*. "Hook: A Pattern Locality Guided Prefetch with Enhanced Read Performance for Hybrid SSDs" (The 13th IEEE Non-Volatile Memory Systems and Applications Symposium, NVMSA'24, August 2024.) (Best Paper Award)

(C22) Zhenhua Tan, Linbo Long, Jingcheng Shen, Congming Gao, Renping Liu and Yi Jiang. "Para-ZNS: Improving Small-zone ZNS SSDs Parallelism through Dynamic Zone Mapping" (The Design, Automation & Test in Europe Conference & Exhibition, DATE'24, March 2024.)

(C21) Qiao Li, Hongyang Dang, Zheng Wan, Congming Gao*, Min Ye, Jie Zhang, Tei-Wei Kuo and Chun Jason Xue. "Midas Touch: Invalid-Data Assisted Reliability and Performance Boost for 3D High-Density Flash" (The IEEE International Symposium on High-Performance Computer Architecture, HPCA'24, March 2024.) (CCF-A)

(C20) Tianmeng Zhang, Renhui Chen, Congming Gao*, Youtao Zhang, Jun Yang and Jiwu Shu. "Libra: A Space-Efficient, High-Performance Inline Deduplication for Emerging Hybrid Storage System" (The IEEE International Symposium on Parallel & Distributed Processing with Applications, ISPA'23, December 2023.)

(C19) Jingcheng Shen, Lang Yang, Linbo Long, Renping Liu, Zhenhua Tan, Congming Gao and Yi Jiang. "Overlapping Aware Zone Allocation for LSM Tree-Based Store on ZNS SSDs" (The Asia and South Pacific Design Automation Conference, ASP-DAC'24, January 2024.)

(C18) Mengquan Li, Chao Wu, Congming Gao, Cheng Ji and Kenli Li. "RLAlloc: A Deep Reinforcement Learning-Assisted Resource Allocation Framework for Enhanced Both I/O Throughput and QoS Performance of Multi-Streamed SSDs" (The Design Automation Conference, DAC'23, July 2023.) (CCF-A)

(C17) Zhenhua Tan, Linbo Long, Renping Liu, Congming Gao, Yi Jiang and Yan Liu. "Optimizing Data Migration for Garbage Collection in ZNS SSDs" (The Design, Automation & Test in Europe Conference & Exhibition, DATE'23, April 2023.)

(C16) Yina Lv, Liang Shi, Qiao Li, Congming Gao, Yunpeng Song, Longfei Luo, Youtao Zhang. "MGC: Multiple-Gray-Code for 3D NAND Flash based High-Density SSDs" (The 29th IEEE International Symposium on High-Performance Computer Architecture, HPCA'23, March 2023.) (CCF-A)

(C15) Congming Gao, Xin Xin, Youyou Lu, Youtao Zhang, Jun Yang and Jiwu Shu. "ParaBit: Processing Parallel Bitwise Operations in NAND Flash Memory based SSDs" (The 54st Annual IEEE/ACM International Symposium on Microarchitecture, MICRO'21, October 2021.) (CCF-A)

(C14) Cheng Ji, Li-Pin Chang, Riwei Pan, Chao Wu, Congming Gao, Liang Shi, Tei-Wei Kuo and Chun Jason Xue. "Pattern-Guided File Compression with User-Experience Enhancement for Log-Structured File System on Mobile Devices" (The 19th USENIX Conference on File and Storage Technologies, FAST'21, February 2021.) (CCF-A)

(C13) Congming Gao, Min Ye, Qiao Li, Chun Jason Xue, Youtao Zhang, Liang Shi and Jun Yang. "Constructing Large, Durable and Fast SSD System via Reprogramming 3D TLC Flash Memory" (The 52nd IEEE/ACM International Symposium on Microarchitecture, MICRO'19, October 2019.) (CCF-A)

(C12) Cheng Ji, Lun Wang, Qiao Li, Congming Gao, Liang Shi, Chia-Lin Yang and Chun Jason Xue. “Fair Down to the Device: A GC-Aware Fair Scheduler for SSD”. (The 8th IEEE Non-Volatile Memory Systems and Applications Symposium, NVMSA’19, August 2019.)

(C11) Yina Lv, Liang Shi, Qiao Li, Congming Gao, Chun Jason Xue and Edwin Sha. “Optimizing Tail Latency of LDPC based Flash Memory Storage Systems Via Smart Refresh”. (The 14th International Conference on Networking, Architecture, and Storage, NAS’19, August 2019.)

(C10) Congming Gao,Liang Shi, Chun Jason Xue, Jun Yang and Youtao Zhang. “Parallel all the time: Plane Level Parallelism Exploration for High Performance SSDs”. (The 35th International Conference on Massive Storage Systems and Technology, MSST’19, May 2019.)

(C9) Qi Li, Aosong Deng, Congming Gao, Yu Liang, Liang Shi and Edwin Sha. “Optimizing Fragmentation and Segment Cleaning for CPS based Storage Devices”. (The 34th ACM/SIGAPP Symposium On Applied Computing SAC'19, April, 2019.)

(C8) Congming Gao, Yejia Di, Aosong Deng, Duo Liu, Cheng Ji, Chun Jason Xue and Liang Shi. “Flash Friendly File System Aware Mapping Cache Design on Solid State Drives”. (The 7th IEEE Non-Volatile Memory Systems and Applications Symposium NVMSA'18, August, 2018.)

(C7) Yejia Di, Liang Shi, Congming Gao, Qiao Li and Chun Jason Xue. “Revisiting Wear Leveling Design on Compression Applied 3D NAND Flash Memory: work-in-progress”, (The 2018 International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS)'18, October, 2018.)

(C6) Congming Gao, Liang Shi, Yejia Di, Qiao Li, Chun Jason Xue and Edwin H.-M. Sha. "An Efficient Cache Management Scheme for Capacitor Equipped Solid State Drives". (The 2018 Great Lakes Symposium on VLSI, GLSVLSI’18, May 2018.)

(C5) Yejia Di, Liang Shi, Congming Gao, Qiao Li, Kaijie Wu and Chun Jason Xue. "Loss is Gain: Shortening Data for Lifetime Improvement on Low-Cost ECC Enabled Consumer-Level Flash Memory". (The 2018 Great Lakes Symposium on VLSI, GLSVLSI’18, May 2018.)

(C4) Yejia Di, Liang Shi, Congming Gao, Kaijie Wu, Chun Jason Xue and Edwin H.-M. Sha. "Minimizing cell-to-cell interference by exploiting differential bit impact characteristics of scaled MLC NAND flash memories". (The 5th Non-Volatile Memory Systems and Applications Symposium, NVMSA’16, June 2016.)

(C3) Qiao Li, Liang Shi, Congming Gao, Kaijie Wu, Jason Chun Xue, Qingfeng Zhuge and H.-M. Edwin Sha. "Maximizing IO Performance via Conflict Reduction for Flash Memory Storage Systems". (The 2015 Design, Automation & Test in Europe Conference, DATE’15, March 2015.)

(C2) Congming Gao, Liang Shi, Kaijie Wu, Chun Jason Xue, and Edwin H.-M. Sha. "Exploit Asymmetric Error Rates of Cell States to Improve the Performance of Flash Memory Storage Systems". (The 32nd IEEE International Conference on Computer Design, ICCD’14, October 2014.)

(C1) Congming Gao, Liang Shi, Mengying Zhao, Chun Jason Xue, Kaijie Wu, and Edwin Sha. "Exploiting Parallelism in IO Scheduling for Access Conflict Minimization in Flash-based Solid State Drives". (The 30th International Conference on Massive Storage Systems and Technology, MSST’14, June 2014.)

(J20) Dongdong Hao, Congming Gao and Jiwu Shu, “Design of User Space Storage Architecture for SCSI Subsystem (in Chinese)”. (Journal of Computer Research and Development, October 2024.)

(J19) Zhenhua Tan, Linbo Long, Jingcheng Shen, Renping Liu, Congming Gao, Kan Zhong and Yi Jiang, “Optimizing Garbage Collection for ZNS SSDs via In-storage Data Migration and Address Remapping”. (ACM Transactions on Architecture and Code Optimization, August 2024.) (CCF-A)

(J18) Xiangyu Yao, Qiao Li, Kaihuan Li, Xinbiao Gan, Jie Zhang, Congming Gao, Zhirong Shen, Quanqing Xu, Chuanhui Yang, Chun Jason Xue, “Extremely-Compressed SSDs with I/O Behavior Prediction”. (ACM Transactions on Storage, July 2024.) (CCF-A)

(J17) Renhui Chen, Tianmeng Zhang, Zijing Li, Congming Gao*, Youtao Zhang, Qiao Li, Jun Yang, Jiwu Shu, “Space-Efficient and High-Performance Inline Deduplication for Emerging Hybrid Storage System with Libra+”. (Springer Journal of Systems Architecture, April 2024.)

(J16) Tianmeng Zhang, Renhui Chen, Zijing Li, Congming Gao*, Chengke Wang, Jiwu Shu, “Design and Implementation of Deduplication on F2FS”. (ACM Transactions on Storage, March 2024.) (CCF-A)

(J15) Linbo Long, Shuiyong He, Jingchen Shen, Renping Liu, Zhenhua Tan, Congming Gao, Duo Liu, Yi Jiang, “WA-Zone: Wear-Aware Zone Management Optimization for LSM-Tree on ZNS SSDs”. (ACM Transactions on Architecture and Code Optimization, December 2023.) (CCF-A)

(J14) Linbo Long, Jinpeng Huang, Congming Gao*, Duo Liu, Renping Liu, Yi Jiang, “ADAR: Application-specific Data Allocation and Reprogramming Optimization for 3D TLC Flash Memory”. (IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, September 2022.) (CCF-A)

(J13) Min Ye, Qiao Li, Congming Gao, Shun Deng, Tei‑Wei Kuo and Chun Jason Xue, “Stop unnecessary refreshing: extending 3D NAND flash lifetime with ORBER”. (CCF Transactions on High Performance Computing, April 2022.)

(J12) Congming Gao, Min Ye, Chun Jason Xue, Youtao Zhang, Liang Shi, Jiwu Shu and Jun Yang, “Reprogramming 3D TLC Flash Memory based Solid State Drives”. (ACM Transactions on Storage, January 2022.) (CCF-A)

(J11) Congming Gao, Liang Shi, Kai Liu, Chun Jason Xue and Jiwu Shu, “Architecture and Technologies of Flash Memory based Solid State Drives (in Chinese)”. (Journal of Computer Research and Development, July 2021.)

(J10) Congming Gao, Liang Shi, Kai Liu, Chun Jason Xue, Jun Yang and Youtao Zhang, “Boosting the Performance of SSDs via Fully Exploiting the Plane Level Parallelism”. (IEEE Transactions on Parallel and Distributed Systems, April 2020.) (CCF-A)

(J9) Congming Gao, Liang Shi, Qiao Li, Kai Liu, Chun Jason Xue, Jun Yang and Youtao Zhang, “Aging Capacitor Supported Cache Management Scheme for Solid State Drivers”. (IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, October 2019.) (CCF-A)

(J8) Chao Wu, Cheng Ji, Qiao Li, Congming Gao, Riwei Pan, Chenchen Fu, Liang Shi and Chun Jason Xue, “Maximizing I/O Throughput and Minimizing Performance Variation via Reinforcement Learning based I/O Merging for SSDs”. (IEEE Transactions on Computers, August 2019.) (CCF-A)

(J7) Qiao Li, Liang Shi, Yejia Di, Congming Gao, Cheng Ji, Yu Liang and Chun Jason Xue, “Process Variation Aware Read Performance Improvement for LDPC-Based nand Flash Memory”. (IEEE Transactions on Reliability, February 2019.)

(J6) Yejia Di, Liang Shi, Congming Gao, Qiao Li, Chun Jason Xue and Kaijie Wu, “Minimizing Retention Induced Refresh Through Exploiting Process Variation of Flash Memory”. (IEEE Transactions on Computers, July 2018.) (CCF-A)

(J5) Qiao Li, Liang Shi, Congming Gao, Yejia Di, Chun Jason Xue. "Access Characteristic Guided Read and Write Regulation on Flash based Storage Systems". (IEEE Transactions on Computers, May 2018.) (CCF-A)

(J4) Cheng Ji, Li-Pin Chang, Liang Shi, Congming Gao, Chao Wu, YuanGang Wang, Chun Jason Xue. "Lightweight Data Compression for Mobile Flash Storage". (ACM Transactions on Embedded Computing Systems (TECS) - Special Issue ESWEEK, October 2017.)

(J3) Congming Gao, Liang Shi, Yejia Di, Qiao Li, Chun Jason Xue, Kaijie Wu and Edwin H.-M. Sha. "Exploiting Chip Idleness for Minimizing Garbage Collection Induced Chip Access Conflict on SSDs". (ACM Transactions on Design Automation of Electronic Systems, August 2017.)

(J2) Congming Gao, Liang Shi, Cheng Ji, Yejia Di, Kaijie Wu, Chun Jason Xue and Edwin H.-M. Sha. "Exploiting Parallelism for Access Conflict Minimization in Flash-based Solid State Drives". (IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, April 2017.) (CCF-A)

(J1) Congming Gao, Edwin H.-M. Sha, Liang Shi, Kaijie Wu, Mengying Zhao and Chun Jason Xue. "Asymmetric Error Rates of Cell States Exploration for Performance Improvement on Flash Memory based Storage Systems". (IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, October 2016.) (CCF-A)

• ACM SIGCSE China Rising Star Award (2024)
• IEEE NVMSA Best Paper Award (2024)
• Nanqiang Top-notch Young Talents Support Plan of Xiamen University (B-class) (2022)
• Excellent Doctorial Dissertation Award of Chongqing (2021)
• Excellent Doctorial Dissertation Award of Chongqing University (2021)
• "Alibaba Cloud-CCF Storage Committee" Outstanding Paper Award (2020)
• "Alibaba Cloud-CCF Storage Committee" Outstanding Paper Award (2019)
• National Scholarship for Ph.D. Graduate Students (2015)
• National Scholarship for Ph.D. Graduate Students (2014)