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相关论文: Swarm-NG: a CUDA Library for Parallel n-body Integ…

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This paper focuses on the parallel implementation of a direct $N$-body method~(particle-particle algorithm) and the application of multiple GPUs for galactic dynamics simulations. Application of a hybrid OpenMP-CUDA technology is considered…

计算物理 · 物理学 2018-03-06 S. S. Khrapov , S. A. Khoperskov , A. V. Khoperskov

Astrophysical direct $N$-body methods have been one of the first production algorithms to be implemented using NVIDIA's CUDA architecture. Now, almost seven years later, the GPU is the most used accelerator device in astronomy for…

天体物理仪器与方法 · 物理学 2015-10-15 Jeroen Bédorf , Evghenii Gaburov , Simon Portegies Zwart

As the acquisition cost of the graphics processing unit (GPU) has decreased, personal computers (PC) can handle optimization problems nowadays. In optimization computing, intelligent swarm algorithms (SIAs) method is suitable for…

神经与进化计算 · 计算机科学 2021-10-05 Wei-Chang Yeh , Zhenyao Liu , Shi-Yi Tan , Shang-Ke Huang

ChaNGa is an N-body cosmology simulation application implemented using Charm++. In this paper, we present the parallel design of ChaNGa and address many challenges arising due to the high dynamic ranges of clustered datasets. We focus on…

天体物理仪器与方法 · 物理学 2014-09-09 Harshitha Menon , Lukasz Wesolowski , Gengbin Zheng , Pritish Jetley , Laxmikant Kale , Thomas Quinn , Fabio Governato

We describe an open source GPU implementation of a hybrid symplectic N-body integrator, GENGA (Gravitational ENcounters with Gpu Acceleration), designed to integrate planet and planetesimal dynamics in the late stage of planet formation and…

地球与行星天体物理 · 物理学 2014-11-06 Simon L. Grimm , Joachim G. Stadel

While most robotics simulation libraries are built for low-dimensional and intrinsically serial tasks, soft-body and multi-agent robotics have created a demand for simulation environments that can model many interacting bodies in parallel.…

机器人学 · 计算机科学 2019-11-26 Jacob Austin , Rafael Corrales-Fatou , Sofia Wyetzner , Hod Lipson

Hybrid computational architectures based on the joint power of Central Processing Units and Graphic Processing Units (GPUs) are becoming popular and powerful hardware tools for a wide range of simulations in biology, chemistry, engineering,…

天体物理仪器与方法 · 物理学 2015-06-15 Roberto Capuzzo-Dolcetta , Mario Spera

We present a new implementation of the numerical integration of the classical, gravitational, N-body problem based on a high order Hermite's integration scheme with block time steps, with a direct evaluation of the particle-particle forces.…

天体物理仪器与方法 · 物理学 2015-06-05 R. Capuzzo-Dolcetta , M. Spera , D. Punzo

We present a new C++ code for collisional N-body simulations of star clusters. The code uses the Hermite fourth-order scheme with block time steps, for advancing the particles in time, while the forces and neighboring particles are computed…

天体物理仪器与方法 · 物理学 2010-11-08 Simos Konstantinidis , Kostas D. Kokkotas

Open-source simulation tools play a crucial role for neuromorphic application engineers and hardware architects to investigate performance bottlenecks and explore design optimizations before committing to silicon. Reconfigurable…

新兴技术 · 计算机科学 2024-04-26 Sahil Hassan , Michael Inouye , Miguel C. Gonzalez , Ilkin Aliyev , Joshua Mack , Maisha Hafiz , Ali Akoglu

We present the results of gravitational direct $N$-body simulations using the Graphics Processing Unit (GPU) on a commercial NVIDIA GeForce 8800GTX designed for gaming computers. The force evaluation of the $N$-body problem is implemented…

天体物理学 · 物理学 2008-11-26 Robert G. Belleman , Jeroen Bedorf , Simon Portegies Zwart

We present in this paper our work regarding simulating a type of P system known as a spiking neural P system (SNP system) using graphics processing units (GPUs). GPUs, because of their architectural optimization for parallel computations,…

分布式、并行与集群计算 · 计算机科学 2011-04-13 Francis Cabarle , Henry Adorna , Miguel A. Martinez-del-Amor

Cosmological large scale structure $N$-body simulations are computation-light, memory-heavy problems in supercomputing. The considerable amount of memory is usually dominated by an inefficient way of storing more than sufficient phase space…

宇宙学与河外天体物理 · 物理学 2018-07-31 Hao-Ran Yu , Ue-Li Pen , Xin Wang

N-body simulations are essential tools in physical cosmology to understand the large-scale structure (LSS) formation of the Universe. Large-scale simulations with high resolution are important for exploring the substructure of universe and…

计算物理 · 物理学 2020-10-22 Shenggan Cheng , Hao-Ran Yu , Derek Inman , Qiucheng Liao , Qiaoya Wu , James Lin

We present the multi-GPU realization of the StePS (Stereographically Projected Cosmological Simulations) algorithm with MPI-OpenMP-CUDA hybrid parallelization and nearly ideal scale-out to multiple compute nodes. Our new zoom-in…

宇宙学与河外天体物理 · 物理学 2019-03-22 Gábor Rácz , István Szapudi , László Dobos , István Csabai , Alexander S. Szalay

Graphics processing units have been extensively used to accelerate classical molecular dynamics simulations. However, there is much less progress on the acceleration of force evaluations for many-body potentials compared to pairwise ones.…

计算物理 · 物理学 2017-06-27 Zheyong Fan , Wei Chen , Ville Vierimaa , Ari Harju

We review the recent optimizations of gravitational $N$-body kernels for running them on graphics processing units (GPUs), on single hosts and massive parallel platforms. For each of the two main $N$-body techniques, direct summation and…

天体物理仪器与方法 · 物理学 2014-09-22 Simon Portegies Zwart , Jeroen Bédorf

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 provides a package of mixed precision…

高能物理 - 格点 · 物理学 2010-12-06 Ronald Babich , Michael A. Clark , Bálint Joó

RUMD is a general purpose, high-performance molecular dynamics (MD) simulation package running on graphical processing units (GPU's). RUMD addresses the challenge of utilizing the many-core nature of modern GPU hardware when simulating…

A wide variety of outstanding problems in astrophysics involve the motion of a large number of particles ($N\gtrsim 10^{6}$) under the force of gravity. These include the global evolution of globular clusters, tidal disruptions of stars by…

天体物理仪器与方法 · 物理学 2017-11-29 Cristián Maureira-Fredes , Pau Amaro-Seoane
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