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21 lines
559 B
C
21 lines
559 B
C
#include "mpi.h"
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#include <string.h>
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#include <stdio.h>
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int main( int argc, char **argv){
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char message[20];
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int myrank;
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MPI_Status status;
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MPI_Init( &argc, &argv );
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MPI_Comm_rank( MPI_COMM_WORLD, &myrank );
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if (myrank == 0){ /* code for process zero */
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strcpy(message,"Hello, there");
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MPI_Send(message, strlen(message)+1, MPI_CHAR, 1, 99, MPI_COMM_WORLD);
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}
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else if (myrank == 1){ /* code for process one */
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MPI_Recv(message, 20, MPI_CHAR, 0, 99, MPI_COMM_WORLD, &status);
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printf("received :%s:\n", message);
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}
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MPI_Finalize();
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return 0;
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}
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