bradybod-usu/cs5500_parallel_prog
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works on one processor

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bbod
2020-02-29 13:37:48 -07:00
parent a3b893f971
commit 4cc4ae4afd
54 changed files with 3417 additions and 5 deletions
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9
HW5/main.cpp
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@@ -6,8 +6,7 @@
#include <ctime>
#define MCW MPI_COMM_WORLD
using namespace std;
int main(int argc, char **argv){
int rank, size;
int main(int argc, char **argv){ int rank, size;
int data;
int dest;
int N = 6;
@@ -52,8 +51,7 @@ int main(int argc, char **argv){
do{
//Give everyone the current state of 2d array.
// MPI_Bcast (&&world, N, MPI_INT, 0, MCW);
//MPI_Bcast (*world, N, MPI_INT, 0, MCW);
int from = rank * N/size;
int to = ((rank+1) * N/size);
@@ -63,7 +61,7 @@ int main(int argc, char **argv){
// Scatter the random numbers to all processes
MPI_Scatter (worldData, N/size, MPI_INT, C, N/size, MPI_INT, 0, MCW);
for(int j = from; j < to; j++){
// cout << "From " << from<<" TO: " << to <<" process: " << rank <<" j: " << j << " i: " << i<< endl;
cout << "From " << from<<" TO: " << to <<" process: " << rank <<" j: " << j << " i: " << i<< endl;
int neighbors = 0;
//Above 3 cells
if(i - 1 >= 0)
@@ -102,6 +100,7 @@ int main(int argc, char **argv){
C[0]=world[i][j];
}
}
MPI_Barrier(MCW);
//Gather all of it back up.
MPI_Gather (&C[0], N/size, MPI_INT, worldData, N/size, MPI_INT, 0, MCW);