国家自然科学基金(60921062)

作品数:19被引量:51H指数:4
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相关作者:成礼智杨学军张一赵娟刘志强更多>>
相关机构:国防科学技术大学并行与分布处理国防科技重点实验室更多>>
相关期刊:《计算机学报》《Science China(Technological Sciences)》《Chinese Physics B》《Chinese Journal of Electronics》更多>>
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Electron–phonon coupling in topological insulator Bi_2Se_3 thin films with different substrates被引量:1
《Chinese Optics Letters》2019年第2期21-24,共4页Tian Jiang Runlin Miao Jie Zhao Zhongjie Xu Tong Zhou Ke Wei Jie You Xin Zheng Zhenyu Wang Xiang’ai Cheng 
supported by the Opening Foundation of State Key Laboratory of High Performance Computing(Nos.201601-01,201601-02,and 201601-03);the Scientific Researches Foundation of National University of Defense Technology(No.zk16-03-59);the Open Research Fund of State Key Laboratory of Pulsed Power Laser Technology(No.SKL2017KF06);the Director Fund of State Key Laboratory of Pulsed Power Laser Technology(No.SKL2018ZR05);the Funds for International Cooperation and Exchange of National Natural Science Foundation of China(Nos.61120106 and 60921062);the National Natural Science Foundation of China(Nos.11802339 and 11805276)
Broadband transient reflectivity traces were measured for Bi_2 Se_3 thin films with various substrates via a 400 nm pump–white-light-probe setup. We have verified the existence of a second Dirac surface state in Bi_2...
关键词:PHONON COUPLING INSULATOR FILMS 
Saturated absorption of different layered Bi_2Se_3 films in the resonance zone被引量:4
《Photonics Research》2018年第10期I0010-I0016,共7页JUN ZHANG TIAN JIANG TONG ZHOU HAO OUYANG CHENXI ZHANG ZHENG XIN ZHENYU WANG XIANG’AI CHENG 
Opening Foundation of State Key Laboratory of High Performance Computing(201601-01,201601-02,201601-03);Scientific Researches Foundation of National University of Defense Technology(zk16-03-59);Open Research Fund of State Key Laboratory of Pulsed Power Laser Technology(SKL2017KF06);Funds for International Cooperation and Exchange of National Natural Science Foundation of China(NSFC)(60921062,61120106);Director Fund of State Key Laboratory of Pulsed Power Laser Technology(SKL2018ZR05)
Here, we used the micro P-scan method to investigate the saturated absorption(SA) of different layered Bi_2Se_3 continuous films. Through resonance excitation, first, we studied the influence of the second surface sta...
关键词:薄膜 饱和强度 通讯技术 发展现状 
Protocol-Aware Process Placement for MPI Programs
《Chinese Journal of Electronics》2014年第4期701-705,共5页XU Xinhai LIN Yufei YANG Xuejun 
supported by the National Natural Science Foundation of China(No.61303071,No.61120106005,No.60921062)
Current parallel programs are often composed of lots of processes that communicate through message passing. The mapping of the program processes onto the underlying processor. By analyzing the MPI library,we find that...
关键词:Process placement Communication protocol Graph mapping MPI. 
基于闭合最小图划分模型的多作业分配优化方法被引量:1
《计算机科学》2014年第6期22-26,共5页张拥军 林宇斐 
国家自然科学基金(60921062)资助
随着并行计算系统规模的增大和复杂度的提高,已有的多作业分配方式可能导致较长的通信延迟和严重的通信竞争。针对这一问题,提出了一种基于闭合最小图划分模型的多作业分配优化方法。该方法以最小化通信延迟和消除通信竞争为出发点,通...
关键词:多作业分配 图划分 通信竞争 网络直径 
A memristor-based architecture combining memory and image processing被引量:3
《Science China(Information Sciences)》2014年第5期179-190,共12页ZHOU Jing YANG XueJun WU JunJie ZHU Xuan FANG XuDong HUANG Da 
supported by Science Fund for Creative Research Groups of National Natural Science Foundation of China(Grant No.60921062)
Image processing is a type of memory-access-intensive application and is applied in many fields. Logic operations are very simple ones in image processing. During these operations, memory access takes a majority of th...
关键词:MEMRISTOR image processing computer architecture read and write circuit logic operation 
Analysis and modeling of resistive switching mechanism oriented to fault tolerance of resistive memory based on memristor
《Chinese Physics B》2014年第3期602-607,共6页黄达 吴俊杰 唐玉华 
Project supported by the National Natural Science Foundation of China(Grant No.60921062)
With the progress of the semiconductor industry, resistive memories, especially the memristor, have drawn increasing attention. The resistive memory based on memrsitor has not been commercialized mainly because of dat...
关键词:resistive RAM fault tolerance resistive switching mechanism circuit model 
一种基于冗余线程的GPU多副本容错技术被引量:8
《计算机研究与发展》2013年第7期1551-1562,共12页贾佳 杨学军 李志凌 
国家自然科学基金项目(60921062,61003087)
目前随着通用GPU(general purpose computation on graphic processing units,GPGPU)性能的不断提高,利用CPU和GPU构建的异构系统已经成为高性能计算领域的研究热点.然而随着并行计算系统的不断增长,系统可靠性越来越低,已成为并行计算...
关键词:通用GPU 异构系统 冗余线程 容错技术 多副本 
Analysis and modeling of resistive switching mechanisms oriented to resistive random-access memory
《Chinese Physics B》2013年第3期522-527,共6页黄达 吴俊杰 唐玉华 
Project supported by the National Natural Science Foundation of China (Grant No. 60921062)
With the progress of the semiconductor industry,the resistive random-access memory(RAM) has drawn increasing attention.The discovery of the memristor has brought much attention to this study.Research has focused on ...
关键词:resistive random-access memory resistive switching mechanism circuit model 
Parallel architecture and optimization for discrete-event simulation of spike neural networks被引量:5
《Science China(Technological Sciences)》2013年第2期509-517,共9页TANG YuHua ZHANG BaiDa WU JunJie HU TianJiang ZHOU Jing LIU FuDong 
supported by the National Natural Science Foundation of China (Grant Nos. 61003082,60921062,61005077)
Spike neural networks are inspired by animal brains,and outperform traditional neural networks on complicated tasks.However,spike neural networks are usually used on a large scale,and they cannot be computed on commer...
关键词:spike neural network discrete event simulation intelligent parallelization framework 
MPtostream:an OpenMP compiler for CPU-GPU heterogeneous parallel systems被引量:3
《Science China(Information Sciences)》2012年第9期1961-1971,共11页YANG XueJun TANG Tao WANG GuiBin JIA Jia XU XinHai 
supported by National Natural Science Foundation of China (Grant No. 60921062)
In light of GPUs' powerful floating-point operation capacity, heterogeneous parallel systems incorporating general purpose CPUs and GPUs have become a highlight in the research field of high performance computing(HP...
关键词:GPGPU STREAM OPENMP COMPILER 
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