36 lines
579 B
C++
36 lines
579 B
C++
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#include <iostream>
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#include <mpi.h>
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#include <unistd.h>
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#include <stdlib.h>
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//#include "/usr/local/include/mpi.h"
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#define MCW MPI_COMM_WORLD
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using namespace std;
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int main(int argc, char **argv){
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int rank, size;
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int data;
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int bigData[16];
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cout << rank;
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if(!rank)cout << endl << rank;for(int i=0;i<16;++i)bigData[i]=i;
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MPI_Init(&argc, &argv);
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MPI_Comm_rank(MCW, &rank);
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MPI_Comm_size(MCW, &size);
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MPI_Scatter(bigData,1,MPI_INT,&data,1,MPI_INT,0,MCW);
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cout<<"rank"<<rank<<" "<<data<<endl;
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MPI_Finalize();
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return 0;
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}
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