Comparison of parallelization models for structured adaptive mesh refinement

被引：0
|
作者：
Rantakokko, J [1 ]
机构：
[1] Uppsala Univ, Dept Informat Technol, S-75105 Uppsala, Sweden
来源：
EURO-PAR 2004 PARALLEL PROCESSING, PROCEEDINGS | 2004年 / 3149卷
关键词：
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We compare different parallelization approaches in different programming models using MPI and OpenMP on a SunFire 15K for structured adaptive mesh refinement. The results show that no static parallelization or programming model performs best in all cases and that different models are preferable in different settings of the application and grid hierarchy. We then suggest a dynamic approach using a mixed MPI-OpenMP model that adapts the number of threads during run time and gives good performance in all stages throughout the whole run as the solution state changes, i.e. the resolution in the computational grid changes.
引用
收藏
页码：615 / 623
页数：9
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