首页> 外文会议>International Symposium on Computer and Information Sciences(ISCIS 2006); 20061101-03; Istanbul(TR) >3-D Parallel Implementation of the Wave-Equation PML Algorithm Using Distributed System
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3-D Parallel Implementation of the Wave-Equation PML Algorithm Using Distributed System

机译:使用分布式系统的波动方程PML算法的3-D并行实现

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摘要

This paper describes an implementation of the three-dimensional (3-D) parallel algorithm for the wave-equation perfectly matched layer (WE-PML) formulations. The parallel approach is based on domain decomposition technique, and uses the Message Passing Interface (MPI) system. To simplify the parallelization strategy, two-dimensional Cartesian topology and derived data types of MPI are used. The performance of the parallel algorithm has been studied using distributed computing method, and performed on a network of PCs interconnected with Ethernet. A speedup factor of 12.9 has been achieved on the 16 PCs system, as compared to one PC case, for a large size problem.
机译:本文介绍了波方程完美匹配层(WE-PML)公式的三维(3-D)并行算法的实现。并行方法基于域分解技术,并使用消息传递接口(MPI)系统。为了简化并行化策略,使用了二维笛卡尔拓扑和MPI的派生数据类型。已经使用分布式计算方法研究了并行算法的性能,并在与以太网互连的PC网络上执行了并行算法。与一台PC机箱相比,在16台PC系统上实现了12.9倍的加速因子,解决了大尺寸问题。

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