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bbod
2020-02-29 02:21:45 -07:00
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example/cubeICN.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;
void allPrint(int data){
int array[64];
int rank, size;
MPI_Comm_rank(MCW, &rank);
MPI_Comm_size(MCW, &size);
MPI_Gather(&data,1,MPI_INT,array,1,MPI_INT,0,MCW);
if(!rank){
for(int i=0;i<size;++i)cout<<i<<" ";
cout<<endl;
for(int i=0;i<size;++i)cout<<array[i]<<" ";
cout<<endl;
}
return;
}
void cube(int f, int *data){
int rank, size;
int dest;
int mask=1;
mask <<= f;
MPI_Comm_rank(MCW, &rank);
MPI_Comm_size(MCW, &size);
dest = rank ^ mask;
MPI_Send(data,1,MPI_INT,dest,0,MCW);
MPI_Recv(data,1,MPI_INT,MPI_ANY_SOURCE,0,MCW,MPI_STATUS_IGNORE);
return;
}
int main(int argc, char **argv){
int rank, size;
int data;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MCW, &rank);
MPI_Comm_size(MCW, &size);
data = rank;
allPrint(data);
cube(2,&data);
cout<<endl;
allPrint(data);
MPI_Finalize();
return 0;
}

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example/pachinco/pachinko.cpp Normal file
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#include <iostream>
#include <mpi.h>
#include <unistd.h>
#include <stdlib.h>
#include <time>
//#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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example/parallelRoundRobin.cpp Normal file
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#include <iostream>
#include <mpi.h>
#define MCW MPI_COMM_WORLD
using namespace std;
int main(int argc, char **argv){
int rank;
int size;
int data;
MPI_Init(&argc, &argv);
//returns my rank in the MCW.
MPI_Comm_rank(MCW, &rank);
//how many things there are in this communicator.
MPI_Comm_size(MCW, &size);
if(rank == 0){
data = rand()%100;
cout << "Process " << rank << "gerated " << data << "\n";
MPI_Send(&rank, 1, MPI_INT, (rank+1)%size, 0, MCW);
MPI_Recv(&data, 1, MPI_INT, MPI_ANY_SOURCE, 0, MCW, MPI_STATUS_IGNORE);
}
MPI_Recv(&data, 1, MPI_INT, MPI_ANY_SOURCE, 0, MCW, MPI_STATUS_IGNORE);
cout << "I am " << rank << " of " << size << "; got a message from " << data <<endl;
MPI_Finalize();
return 0;
}

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example/parallellHello.cpp Normal file
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#include <iostream>
#include <mpi.h>
#define MCW MPI_COMM_WORLD
using namespace std;
int main(int argc, char **argv){
int rank;
int size;
int data;
MPI_Init(&argc, &argv);
//returns my rank in the MCW.
MPI_Comm_rank(MCW, &rank);
//how many things there are in this communicator.
MPI_Comm_size(MCW, &size);
//Sends info
//&rank- location of send buffer.
//1- how many things in the buffer.
//MPI_INT- tells what type to turn the data into..
//(rank+1)%size- return number.
//0- tag
//MCW- communicator and other things.
MPI_Send(&rank, 1, MPI_INT, (rank+1)%size, 0, MCW);
//Recieves information
//&data where to put the return data.
//1- how many.
//MPI_INT- type.
//MPI_ANY_SOURCE- can come from any process.
//0- tag.
//mcw- communicator type
//MPI_STATUS_IGNORE-
MPI_Recv(&data, 1, MPI_INT, MPI_ANY_SOURCE, 0, MCW, MPI_STATUS_IGNORE);
cout << "I am " << rank << " of " << size << "; got a message from " << data <<endl;
MPI_Finalize();
return 0;
}

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example/serialHello.cpp Normal file
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#include <iostream>
#include <stdlib.h>
using namespace std;
int main(int argc, char ** argv){
cout << "hello World/n";
return 0;
}

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example/test.cpp Normal file
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#include <iostream>
#include <stdlib.h>
using namespace std;
int main(int argc, char ** argv){
cout << "hello World/n";
return 0;
}