GPUPEGAS: A NEW GPU-ACCELERATED HYDRODYNAMIC CODE FOR NUMERICAL SIMULATIONS OF INTERACTING GALAXIES

被引：29

作者：

Kulikov, Igor ^{[1
]}

机构：

[1] Inst Computat Math & Math Geophys SB RAS, Novosibirsk 630090, Russia

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2014年 / 214卷 / 01期

关键词：

galaxies: interactions; gravitation; hydrodynamics; methods: numerical; SMOOTHED PARTICLE HYDRODYNAMICS; ADAPTIVE-MESH-REFINEMENT; GAS; COSMOLOGY; EQUATIONS;

D O I：

10.1088/0067-0049/214/1/12

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper, a new scalable hydrodynamic code, GPUPEGAS (GPU-accelerated Performance Gas Astrophysical Simulation), for the simulation of interacting galaxies is proposed. The details of a parallel numerical method co-design are described. A speed-up of 55 times was obtained within a single GPU accelerator. The use of 60 GPU accelerators resulted in 96% parallel efficiency. A collisionless hydrodynamic approach has been used for modeling of stars and dark matter. The scalability of the GPUPEGAS code is shown.

引用

页数：12

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