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bbod
2020-02-29 02:21:45 -07:00
commit a3b893f971
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HW2/Bomb.cpp Normal file
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#include <iostream>
#include <mpi.h>
#include <unistd.h>
#include <stdlib.h>
//#include "/usr/local/include/mpi.h"
#define MCW MPI_COMM_WORLD
using namespace std;
int main(int argc, char **argv){
int rank, size;
int data;
int dest;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MCW, &rank);
MPI_Comm_size(MCW, &size);
srand(rank);
if(rank == 0){
data = rand % 20;
cout << "Timer is set to " << data << endl;
}
while(1) {
MPI_Recv(&data, 1, MPI_INT, MPI_ANY_SOURCE, 0, MCW, MPI_STATUS_IGNORE);
dest = rank++;
if (!(rand() % 5)) {
data = -1;
for (int i = 0; i < size; ++i)
MPI_Send(&data, 1, MPI_INT, i, 0, MCW);
}
if (data != 0) {
data--;
} else {
dest = rank - 1;
if (dest < 0)
dest = size - 1;
}
MPI_Send(&data, 1, MPI_INT, dest, 0, MCW);
cout<<"rank "<<rank<<" is done.\n";
MPI_Finalize();
return 0;
}
}

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HW2/pachinko.cpp Normal file
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#include <time.h>
#include <iostream>
#include <mpi.h>
#include <unistd.h>
#include <stdlib.h>
//#include "/usr/local/include/mpi.h"
#define MCW MPI_COMM_WORLD
using namespace std;
int main(int argc, char **argv){
int rank, size;
int data;
int dest;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MCW, &rank);
MPI_Comm_size(MCW, &size);
srand(time(NULL));
if(rank==0){
for(int i=0;i<size;++i)cout<<" "<<i<<" ";
cout<<endl;
data=rand() % 20;
MPI_Send(&data,1,MPI_INT,0,0,MCW);
}
while(1){
MPI_Recv(&data,1,MPI_INT,MPI_ANY_SOURCE,0,MCW,MPI_STATUS_IGNORE);
if(data<0)break;
sleep(1);
for(int i=0;i<rank;++i)cout<<" ";
cout<< data <<endl;
if(data != 0){
data --;
}else{
cout << rank << " Is the Loser" << endl;
cout << endl << endl;
for(int i = 0; i < size; i++){
data=-1;
for(int i=0;i<size;++i) MPI_Send(&data,1,MPI_INT,i,0,MCW);
}
break;
}
dest = rand() % size;
if(dest == rank){
dest = dest -1;
}
MPI_Send(&data,1,MPI_INT,dest,0,MCW);
}
cout<<"rank "<<rank<<" is done.\n";
MPI_Finalize();
return 0;
}