Evaluating the speedup of a MPI-based distributed dispersion simulator for groundwater systems

Evaluating the speedup of a MPI-based distributed dispersion simulator for groundwater systems

This software version is a distributed implementation of the public domain software of groundwater dispersion simulation of Anderson's book. This simulator proposed in Anderson's book is a sequential program that calculates the concentrations during the dispersion of an aquifer. Basically,...

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Hauptverfasser: Marino, M.D., Sato, L.M.
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Finite difference methods
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TCPIP
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description This software version is a distributed implementation of the public domain software of groundwater dispersion simulation of Anderson's book. This simulator proposed in Anderson's book is a sequential program that calculates the concentrations during the dispersion of an aquifer. Basically, the numerical method used in this simulator is finite differences. Depending on the number of NNODEs (number of nodes in the problem domain) used in the grid for the simulation, the simulation time can be prohibitive. The main subject of this paper is to evaluate the performance of a new version of DGWSDS (Distributed Groundwater Simulation Dispersion System). Running the distributed simulator with three different input parameters size NN-ODE=2000, 3000, 4000 and 5000, for a cluster of 8 nodes, the DGWSDS achieves speedups up to 10.73, which is an excellent value if the interconnection and the overhead of the TCP/IP are considered.
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subjects Finite difference methods
Software systems
TCPIP
title Evaluating the speedup of a MPI-based distributed dispersion simulator for groundwater systems
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