GreeM: Massively Parallel TreePM Code for Large Cosmological N-body Simulations

Ishiyama Tomoaki; Fukushige Toshiyuki; Makino Junichiro

首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >GreeM: Massively Parallel TreePM Code for Large Cosmological N-body Simulations

【24h】

GreeM: Massively Parallel TreePM Code for Large Cosmological N-body Simulations

机译：GreeM：大型宇宙N体模拟的大规模并行TreePM代码

获取原文

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相似文献
相关主题

摘要

Inthispaper,wedescribetheimplementationandperformanceofGreeM,amassivelyparallelTreePMcodeforlarge-scalecosmologicalN-bodysimulations.GreeMusesarecursivemulti-sectionalgorithmfordomaindecomposition.Thesizeofthedomainsareadjustedsothatthetotalcalculationtimeoftheforcebecomesthesameforallprocesses.Thelossofperformanceduetonon-optimalloadbalancingisaround4%,evenformorethan10$$^3$$CPUcores.GreeMrunsefficientlyonPCclustersandmassively-parallelcomputers,suchasaCrayXT4.ThemeasuredcalculationspeedonCrayXT4is5$$ imes$$10$$^4$$particlespersecondperCPUcore,forthecaseofanopeningangleof$$ heta$$$$=$$0.5,ifthenumberofparticlesperCPUcoreislargerthan10$$^6$$.

机译：Inthispaper，wedescribetheimplementationandperformanceofGreeM，amassivelyparallelTreePMcodeforlarge-scalecosmologicalN-bodysimulations.GreeMusesarecursivemulti-sectionalgorithmfordomaindecomposition.Thesizeofthedomainsareadjustedsothatthetotalcalculationtimeoftheforcebecomesthesameforallprocesses.Thelossofperformanceduetonon-optimalloadbalancingisaround4％，evenformorethan10 $$ ^ 3 $$ CPUcores.GreeMrunsefficientlyonPCclustersandmassively-parallelcomputers，suchasaCrayXT4.ThemeasuredcalculationspeedonCrayXT4is5 $$输入法编辑器$$ 10 $$ ^ 4 $$ particlespersecondperCPUcore，对于$$ heta $$$$ = $$ 0.5的打开角度的情况，如果每个CPU核心的粒子数大于10 $$ ^ 6 $$。

著录项

来源
《PASJ: Publications of the Astronomical Society of Japan》 |2009年第6期|共页
作者
Ishiyama Tomoaki; Fukushige Toshiyuki; Makino Junichiro;
展开▼
作者单位

展开▼
收录信息
原文格式 PDF
正文语种
中图分类天文学;
关键词

相似文献

外文文献
中文文献
专利

1. GreeM: Massively Parallel TreePM Code forLarge Cosmological N-body Simulations [J] . Tomoaki ISHIYAMA, Toshiyuki FUKUSHIGE, Junichiro MAKINO PASJ: Publications of the Astronomical Society of Japan . 2009,第6期

机译：GreeN：大型宇宙N体模拟的大规模并行TreePM代码
2. TreePM: A Code for Cosmological N-Body Simulations [J] . J. S. Bagla1 Journal of astrophysics and astronomy . 2002,第3期

机译：TreePM：宇宙N体仿真的代码
3. TreePM: A Code for Cosmological N-Body Simulations [J] . J. S. Bagla1 Journal of astrophysics and astronomy . 2002,第3期

机译：TreePM：宇宙N体仿真的代码
4. Parallel Halo Finding in N-body Cosmology Simulations [C] . David W. Pfitzner, John K. Salmon National Conferences on Aritificial Intelligence . 1999

机译：并行光环在N组宇宙学模拟中发现
5. N-body simulations, weak lensing, and photo-z's: Numerical projects in cosmology. [D] . Stabenau, Hans Friedrich. 2008

机译：N体模拟，弱透镜和照片z：宇宙学中的数字项目。
6. Scalable and massively parallel Monte Carlo photon transport simulations for heterogeneous computing platforms [O] . Leiming Yu, Fanny Nina-Paravecino, David Kaeli, 2018

机译：适用于异构计算平台的可扩展且大规模并行的蒙特卡洛光子传输模拟
7. GreeM : Massively Parallel TreePM Code for Large Cosmological N-body Simulations [O] . Ishiyama, Tomoaki, Fukushige, Toshiyuki, Makino, Junichiro 2009

机译：Greem：大型宇宙N体的大规模并行Treepm代码模拟

GreeM: Massively Parallel TreePM Code for Large Cosmological N-body Simulations

摘要

著录项

相似文献

相关主题

期刊订阅