A Dynamic Era-Based Time-Symmetric Block Time-Step Algorithm with Parallel Implementations

Kaplan Murat; Saygin Hasan

首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >A Dynamic Era-Based Time-Symmetric Block Time-Step Algorithm with Parallel Implementations

【24h】

A Dynamic Era-Based Time-Symmetric Block Time-Step Algorithm with Parallel Implementations

机译：具有并行实现的基于动态时代的时间对称块时步算法

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

Thetime-symmetricblocktime-step(TSBTS)algorithmisanewlydevelopedefficientschemefor$$N$$-bodyintegrations.Itisconstructedonanera-basediteration.Inthiswork,were-designedtheTSBTSintegrationschemewithadynamicallychangingerasize.Anumberofnumericaltestswereperformedtoshowtheimportanceofchoosingthesizeoftheera,especiallyforlong-timeintegrations.OursecondaimwastoshowthattheTSBTSschemeisassuitableaspreviouslyknownschemesfordevelopingparallel$$N$$-bodycodes.Inthiswork,wereliedonaparallelschemeusingthecopyalgorithmforthetime-symmetricscheme.Weimplementedahybridofdataandtaskparallelizationforforcecalculationtohandleloadbalancingproblemsthatcanappearinpractice.UsingthePlummermodelinitialconditionsfordifferentnumbersofparticles,weobtainedtheexpectedefficiencyandspeedupforasmallnumberofparticles.Althoughparallelizationofthedirect$$N$$-bodycodesisnegativelyaffectedbythecommunication/calculationratios,weobtainedgoodload-balancedresults.Moreover,wewereabletoconservetheadvantagesofthealgorithm(e.g.,energyconservationforlong-termsimulations).

机译：Thetime-symmetricblocktime步骤（TSBTS）algorithmisanewlydevelopedefficientschemefor $$Ñ$$ - bodyintegrations.Itisconstructedonanera-basediteration.Inthiswork，分别-designedtheTSBTSintegrationschemewithadynamicallychangingerasize.Anumberofnumericaltestswereperformedtoshowtheimportanceofchoosingthesizeoftheera，especiallyforlong-timeintegrations.OursecondaimwastoshowthattheTSBTSschemeisassuitableaspreviouslyknownschemesfordevelopingparallel $$Ñ$$ - bodycodes.Inthiswork，wereliedonaparallelschemeusingthecopyalgorithmforthetime-symmetricscheme.Weimplementedahybridofdataandtaskparallelizationforforcecalculationtohandleloadbalancingproblemsthatcanappearinpractice。使用Plummer模型针对不同数量的粒子的初始条件，可以获得少量粒子的预期效率和速度。尽管直接$$ N $-身体代码的并行化受到通信/计算比率的负面影响，但仍获得了良好的负载平衡结果。此外，可以节省大量费用（例如，节约能源）。 yconservation（用于长期模拟）。

著录项

来源
《PASJ: Publications of the Astronomical Society of Japan》 |2012年第3期|共页
作者
Kaplan Murat; Saygin Hasan;
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. A dynamic era-based time-symmetric block time-step algorithm with parallel implementations [J] . Kaplan M., Saygin H. PASJ: Publications of the Astronomical Society of Japan . 2012,第3期

机译：具有并行实现的基于动态时代的时间对称块时间步算法
2. A time-symmetric block time-step algorithm for N-body simulations [J] . Makino J, Hut P, Kaplan M, New astronomy . 2006,第2期

机译：用于N体仿真的时间对称块时步算法
3. Parallel implementation of isothermal and isoenergetic Dissipative Particle Dynamics using Shardlow-like splitting algorithms [J] . James P. Larentzos, John K. Brennan, Joshua D. Moore, Computer physics communications . 2014,第7期

机译：使用类似Shardlow的分裂算法并行实现等温和高能耗散粒子动力学
4. A parallel implementation method of FFT-based full-search block matching algorithms [C] . Dobashi Toshiyuki, Kiya Hitoshi IEEE International Conference on Acoustics, Speech and Signal Processing . 2013

机译：基于FFT的全搜索块匹配算法的并行实现方法
5. parallel_dp: The parallel dynamic programming design pattern as an IntelRTM Threading Building Blocks algorithm template. [D] . Serfass, Douglas. 2012

机译：parallel_dp：并行动态编程设计模式，它是IntelRTM线程构建模块算法模板。
6. Multiple Time-Step Dual-Hamiltonian Hybrid Molecular Dynamics — Monte Carlo Canonical Propagation Algorithm [O] . Yunjie Chen, Seyit Kale, Jonathan Weare, -1

机译：多时步双哈密顿杂交分子动力学—蒙特卡洛规范传播算法
7. A Dynamic Era-Based Time-Symmetric Block Time-Step Algorithm with Parallel Implementations [O] . Murat Kaplan, Hasan Saygin 2016

机译：基于动态时间的并行实现时间对称块时步算法

A Dynamic Era-Based Time-Symmetric Block Time-Step Algorithm with Parallel Implementations

摘要

著录项

相似文献

相关主题

期刊订阅