刘宇航  副研究员  

研究方向:

所属部门:先进计算机系统研究中心、处理器芯片重点实验室

导师类别:硕导计算机系统结构

联系方式:liuyuhang@ict.ac.cn

个人网页:

简       历:

2017年9月— 今 :中国科学院计算技术研究所,副研究员,硕士生导师,《中国计算机学会通讯》专栏作家,中国计算机学会高级会员,中国计算机学会职业道德与伦理委员会常委,《计算机体系结构国家重点实验室快讯》编委

2016年1月—2017年9月:中国科学院计算技术研究所,助理研究员

2013年9月—2015年9月:美国伊利诺伊理工大学,计算机科学系,博士后

2007年9月—2013年7月:北京航空航天大学,计算机学院,硕博连读生 

主要论著:

专著:

[1] 刘宇航,包云岗. 计算机系统设计方法学(历史-计算-数据-结构). 高等教育出版社.

[2] 刘宇航,包云岗. 计算机系统开创性经典文献选读与解析. 机械工业出版社.

代表性论文:

[1] Yuhang Liu, Xian-He Sun, Yang Wang, Yungang Bao. HCDA: From computational thinking to a generalized thinking paradigm[J]. Communications of the ACM, 2021, 64(5): 66-75.

[2] Haiyang Pan, Yuhang Liu, Tianyue Lu, Mingyu Chen. LSP: Collective Cross-Page Prefetching for NVM[C]. In the Proceedings of Design Automation & Test in Europe, 2021: 501-506.BEST PAPER AWARD NOMINATIONS

[3] Yangyang Zhao, Mingyu Chen, Yuhang Liu, Zonghao Yang, Xiaojing Zhu, Zonghui Hong, Yunge Guo. IMPULP: A Hardware Approach for In-process Memory Protection via User-Level Partitioning[J]. Journal of Computer Science and Technology, 2019,5(2): 1-15.

[4] Yuhang Liu , Xian-He Sun. LPM: A Systematic Methodology for Concurrent Data Access Pattern Optimization from a Matching Perspective[J]. IEEE Transactions on Parallel and Distributed Systems, 2019, 30(11):2478-2493.

[5] Yuhang Liu, Xian-He Sun. CaL: Extending Data Locality to Consider Concurrency for Performance Optimization[J]. IEEE Transactions on Big Data, 2018, 5(2):273-288.

[6] Jiutian Zhang, Yuhang Liu, Haifeng Li, Xiaojing Zhu, Mingyu Chen. PTAT: An Efficient and Precise Tool for Tracing and Profiling Detailed TLB Misses[J]. ACM Transactions on Embedded Computing Systems, 2018, 17(3): 62:1-62:17.

[7] Yuhang Liu , Xian-He Sun. Evaluating the Combined Effect of Memory Capacity and Concurrency for Many-Core Chip Design[J]. ACM Transactions on Modeling & Performance Evaluation of Computing Systems, 2017, 2(2):1-25.

[8] Lu Tianyue, Yuhang Liu, Haiyang Pan, Mingyu Chen. TDV Cache: Organizing Off-Chip DRAM Cache of NVMM from a Fusion Perspective[C]. In the Proceedings of 2017 IEEE International Conference on Computer Design (ICCD). IEEE, 2017: 65-72.

[9] Yuhang Liu, Xian-He Sun. Reevaluating Data Stall Time with the Consideration of Data Access Concurrency[J]. Journal of Computer Science and Technology, 2015, 30(2): 227–245.

[10] Yuhang Liu, Mingfa Zhu, Limin Xiao. Elastic Pointer Directory Organization for Scalable Shared Memory Multiprocessors[J]. Journal of Systems Engineering & Electronics, 2014, 25(1): 158-167.

[11] Yuhang Liu, Mingfa Zhu, Limin Xiao, Jue Wang. Asymmetrical Topology and Entropy-based Heterogeneous Link for Many-core Massive Data Communication[J]. Cluster Computing, 2013, 16(4):679-691.

[12] Yuhang Liu, Xian-He Sun. C2-bound: A Capacity and Concurrency driven Analytical Model for Manycore Design[C]. In the Proceedings of International Conference for High Performance Computing, Networking, Storage and Analysis 2015 (SC’15). Texas, Austin, USA, Nov. 2015, 1-11.

[13] Yuhang Liu, Xian-He Sun. LPM: Concurrency-driven Layered Performance Matching[C]. In the Proceedings of the 44th International Conference on Parallel Processing (ICPP 15), Beijing, China, Sept. 2015: 879-888.

[14] Haifeng Li, Tianyue Lu, Yuhang Liu, Mingyu Chen. Make Page Coloring More Efficient on Slice-based Three-Level Cache[C]. In the Proceedings of the 25th International Conference on Parallel and Distributed Systems, ICPADS’19. December 4-6, 2019: 501-506.

[15] Haiyang Pan, Yuhang Liu, Tianyue Lu, Chen Mingyu. Characterizations and Architectural Implications of NVM’s External DRAM Cache[C]. In the Proceedings of the 21st IEEE International Conference on High Performance Computing and Communications, HPCC’19. August 10-12, 2019: 373-379.

[16] Tianyue Lu, Yuhang Liu, Mingyu Chen. Fine-Grained Data Committing for Persistent Memory[C]. In the Proceedings of International Symposium on Parallel and Distributed Processing with Applications (ISPA), 2017: 438-443.

[17] Xian-He Sun, Yuhang Liu. Utilizing Concurrency: A New Theory for Memory Wall[C]. In the Proceedings of The 29th International Workshop on Languages and Compilers for Parallel Computing. 2016: 18-23.

[18] 刘宇航,祝明发,崔吉顺,肖利民. 基于CMP的高密度计算机多目标设计方法[J]. 系统工程与电子技术,201234(4):806-812.

[19] 刘宇航,祝明发,肖利民,高宇辉. 基于龙芯3A处理器的高效能计算结点研制[J]. 高性能计算技术,20100(6): 46-53.

[20] 高宇辉,祝明发,刘宇航,肖利民. 龙芯3A处理器的高效能计算节点电源管理设计[J]. 高性能计算技术. 20113: 24-29.

[21] 崔吉顺,刘宇航,张楠赓,祝明发,肖利民 . 自主高端云计算服务器模型机[C]. 2012全国高性能计算学术年会. 2012:1-6.

[22] 刘宇航. 效率与公平:最大加速比与博弈论上的公平预示下一代云计算新形态[J]. 前沿科学,20186: 21-26.

[23] 刘宇航,张菲. 计算概念谱系:算势、算力、算术、算法、算礼[J]. 中国科学院院刊,202237: 1-11.

[24] Wei Li, Yangyang Zhao, Yuhang Liu, Mingyu Chen. SMEFF: A Scalable Memory Extension Fabric for FPGA[C]. In the Proceedings of the Field Programmable Technology. 2017: 40-47.

[25] 潘海洋,刘宇航,卢天越,陈明宇. 外部高速缓存与非易失内存结合的混合内存体系结构特性评测[J]. 高技术通讯. 2021, 31: 464-478.

[26] Yangyang Zhao, Yuhang Liu, Wei Li. HCMA: Supporting High Concurrency of Memory Accesses with Scratchpad Memory in FPGAs[C].  In the Proceedings of International Conference on Networking, Architecture, and Storage. 2019: 1-8.

发明专利:

[1] 刘宇航邓鑫,陈明宇,包云岗. 高并发云计算系统的干扰抑制与资源调度系统及方法. 中国发明专利, CN 202210303023.4.

[2] Yuhang Liu, Xian-He Sun. Methods and Devices for Layered Performance Matching in Hierarchical Memory. US Patent. 美国发明专利,No. 15/239.141.

[3] 刘宇航, 祝明发,肖利民. 一种高密度机架服务器散热系统. 中国发明专利, CN 101807100B.

[4] 潘海洋,陈明宇,卢天越,刘宇航. 数据访问方法以及计算机系统. 中国发明专利,CN201710911982.3.

[5] 陈明宇,潘海洋,刘宇航,阮元,陈少杰. 一种缓存替换的方法和设备. 中国发明专利,CN201610986946.9.

科研项目:

[1] 国家自然科学基金面上项目,高并发数据访问的基础理论和系统设计,80万元,项目负责人,2018.

[2] 国家863项目,高效能计算机系统及关键技术,1100万元,项目组长,2012.

[3] 中科院-领军企业合作项目,基于访存模式的智能手机芯片存储系统低功耗优化,82万元,执行负责人,2018.

[4] 中科院-领军企业合作项目,处理器存储子系统性能优化技术研究合作项目,160万元,项目负责人2020.

[5] 中科院-领军企业合作项目,基于访存模式的数据中心软硬件协同敏捷优化,140万元,项目负责人2021.

[6] 国家重点研发计划项目,软件定义的云计算基础理论与方法,300万元,主要参与人2018.

[7] 中科院先导项目,处理器与基础软件关键技术,1232万元,主要参与人,2021.

[8] 中科院-领军企业合作项目,针对数据库应用的数据中心服务器多层存储研究,50万元, 主要参与人,2020.

[9] 中科院-领军企业合作项目,消息式接口的新型数据中心(151万元),主要参与人,2021.

[10] 中科院-领军企业合作项目,优化缓存系统的关键技术研究(100万元),项目负责人,2021年 

获奖及荣誉:

获计算所优秀研究人员、卓越之星、联想奖教金等