搜索结果: 16-29 共查到“理学 GPU”相关记录29条 . 查询时间(0.074 秒)
Computation of electron quantum transport in graphene nanoribbons using GPU
Green's function formalism GPU graphene ribbon
2011/8/11
Abstract: The performance potential for simulating quantum electron transport on graphical processing units (GPUs) is studied. Using graphene ribbons of realistic sizes as an example it is shown that ...
2011年科学与工程中多尺度问题GPU应用国际研讨会在兰州举行
多尺度 GPU应用国际 研讨会 举行
2011/8/16
7月18日，2011年科学与工程中多尺度问题的GPU应用国际研讨会（GPU-SMP'2011）在甘肃省兰州市召开。会议由中科院计算机网络信息中心和中科院研究生院主办，中科院寒区旱区环境与工程研究所、甘肃省超级计算中心协办，英伟达和惠普公司提供大力支持。来自美国休斯顿大学、美国明尼苏达大学、美国芝加哥大学、德国波恩大学、日本东京工业大学、中科院研究生院、中科院过程所、北京大学、中国科学技术大学、等国...
Mapping the Arnold web with a GPU-supercomputer
Arnold web GPU-supercomputer Chaotic Dynamics
2011/8/17
Abstract: The Arnold diffusion constitutes a dynamical phenomenon which may occur in the phase space of a non-integrable Hamiltonian system whenever the number of the system degrees of freedom is $M \...
Real-time, fast radio transient searches with GPU de-dispersion
Real-time fast radio transient searches de-dispersion
2011/10/8
The identification, and subsequent discovery, of fast radio transients through blind-search surveys requires a large amount of processing power, in worst cases scaling as $\mathcal{O}(N^3)$. For this ...
Pallalel GPGPU computing for lattice QCD simulations has a bottleneck on the GPU to GPU data communication due to the lack of the direct data exchanging facility. In this work we investigate the perfo...
A GPU implementation of a track-repeating algorithm for proton radiotherapy dose calculations
GPU implementation track-repeating algorithm proton radiotherapy dose calculations
2010/12/29
An essential component in proton radiotherapy is the algorithm to calculate the radiation dose to be delivered to the patient. The most common dose algorithms are fast but they are approximate analyti...
Parallelizing the QUDA Library for Multi-GPU Calculations in Lattice Quantum Chromodynamics
the QUDA Library Multi-GPU Calculations Quantum Chromodynamics
2010/11/16
Graphics Processing Units (GPUs) are having a transformational effect on numerical lattice quantum chromodynamics (LQCD) calculations of importance in nuclear and particle physics. The QUDA library pr...
Parallelizing the QUDA Library for Multi-GPU Calculations in Lattice Quantum Chromodynamics
Parallelizing the QUDA Library Multi-GPU Calculations Lattice Quantum Chromodynamics
2011/1/13
Graphics Processing Units (GPUs) are having a transformational effect on numerical lattice quantum chromodynamics (LQCD) calculations of importance in nuclear and particle physics.
A GPU implementation of a track-repeating algorithm for proton radiotherapy dose calculations
A GPU implementation track-repeating algorithm proton radiotherapy
2010/11/16
An essential component in proton radiotherapy is the algorithm to calculate the radiation dose to be delivered to the patient. The most common dose algorithms are fast but they are approximate analyt...
Parallelizing the QUDA Library for Multi-GPU Calculations in Lattice Quantum Chromodynamics
the QUDA Library Multi-GPU Calculations
2011/1/6
Graphics Processing Units (GPUs) are having a transformational effect on numerical lattice quantum chromodynamics (LQCD) calculations of importance in nuclear and particle physics. The QUDA library pr...
起伏地表叠前逆时偏移理论及GPU加速技术
起伏地表 自由边界 叠前逆时偏移 GPU加速
2011/11/14
从起伏地表直接进行叠前逆时偏移是解决地表起伏大并且地下构造复杂这种双复杂结构地区成像问题的有力工具.本文给出了起伏地表直接进行叠前逆时偏移的实现过程,针对有限差分方法处理起伏地表自由边界条件的复杂性,采用了一种简化的自由边界条件,避免了大量的逻辑判断,在此基础上,采用图形处理器(Graphic Processing Unit,简称GPU)将算法加速,比传统的CPU计算速度提高了一个数量级.文中对理...
地震叠前逆时偏移高阶有限差分算法及GPU实现
稳定性 频散关系 叠前逆时偏移
2010/12/27
叠前逆时偏移技术是解决地震成像问题的有力工具,但由于计算量大、成像噪音以及存储量大等原因没有得到广泛的应用.本文给出了逆时偏移的实现过程,分析了高阶有限差分格式的稳定性与频散关系.针对叠前逆时偏移计算量大的问题,使用图形处理器(Graphic Processing Unit,简称GPU)实现算法加速,比传统的CPU计算速度提高了一个数量级.文中对理论模型进行了计算,并与单程波偏移方法做比较,结果表...
山地地震资料叠前时间偏移方法及其GPU实现
山地地震资料 叠前时间偏移 GPU
2013/11/6
山地地区地下地质结构复杂，地表高差大，变化剧烈.目前该类地区地震勘探中主要的成像手段依然是Kirchhoff叠前时间偏移.但地表高程的剧烈变化使叠前时间偏移的基准面很难选择.本文在传统方法的基础上，提出了一种在浮动基准面上修正常规叠前时间偏移走时计算的叠前时间偏移方法，该方法能够很大程度上提高山地地区、特别是地表高差变化大地区的成像效果.本文还介绍了GPU 在叠前时间偏移上的应用，通过GPU 对〖...