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main.cpp
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Mon, Jul 7, 15:05
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rTSUNAMIPROJECT PHPC-TSUNAMI-PROJECT
main.cpp
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#include <iostream>
#include <sstream>
#include <mpi.h>
#include "simulation.h"
// Define the constants
#define G 127267.200000000 // Gravity, 9.82*(3.6)^2*1000 in [km / hr^2]
#define SIZE 500 // Size of map, Size*Size [km]
#define NX 2001 // Number of cells in each direction on the grid
#define TEND 0.20 // Simulation time in hours [hr]
#define DIR "../MatlabSource/"
#define OUTPUT "../MatlabSource/OUT.bin"
int main (int argc, char *argv[]) {
// initialize MPI
MPI_Init(&argc, &argv);
int prank, psize;
// Usefull to debug
MPI_Comm_rank(MPI_COMM_WORLD, &prank);
MPI_Comm_size(MPI_COMM_WORLD, &psize);
printf("I’m process %d out of %d\n", prank+1, psize);
// compute the constant
double DX = SIZE*1.0/NX;
//std::cout << G << " " << SIZE << " " << NX << " " << TEND << " dx: "<< DX << std::endl;
// Construct the simulation
Simulation simu(NX,G,SIZE,TEND,DX, DIR,OUTPUT, MPI_COMM_WORLD);
// Compute the simulation
float totalTime;
int k;
std::tie(totalTime, k) = simu.compute();
std::cout << "Total time : " << totalTime << " Number of steps : " << k << std::endl;
// Close MPI
MPI_Finalize();
}
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