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62 lines
1.5 KiB
62 lines
1.5 KiB
5 years ago
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#include <stdio.h>
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#include "mpi.h"
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main(int argc, char** argv)
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{
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int my_rank, size;
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int source, dest;
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int tag1= 50;
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int tag2 = 60;
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int tag3 =70;
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int found = 0;
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int other_found;
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int k, code;
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int data[10];
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int namelen;
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MPI_Status status;
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char proc_name[MPI_MAX_PROCESSOR_NAME];
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char other_proc_name[MPI_MAX_PROCESSOR_NAME];
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MPI_Init(&argc, &argv);
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MPI_Comm_rank(MPI_COMM_WORLD, &my_rank);
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MPI_Comm_size(MPI_COMM_WORLD, &size);
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MPI_Get_processor_name(proc_name, &namelen);
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for (k=0; k<10; k++)
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data[k]=my_rank+k;
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if (my_rank == 0)
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{
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printf("Dose ena kodiko anazitisis:\n");
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scanf("%d", &code);
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for (dest =1; dest<size; dest++)
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MPI_Send(&code, 1, MPI_INT, dest, tag1, MPI_COMM_WORLD);
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}
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else
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{
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MPI_Recv(&code, 1, MPI_INT, 0, tag1, MPI_COMM_WORLD, &status);
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}
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for (k=0; k<10; k++)
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{ if (data[k] == code) found=1; }
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if (my_rank != 0)
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{ MPI_Send(&found, 1, MPI_INT, 0, tag2, MPI_COMM_WORLD);
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MPI_Send(proc_name, namelen+1, MPI_CHAR, 0, tag3, MPI_COMM_WORLD); }
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if (my_rank == 0) {
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for (source=1; source<size; source++) {
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MPI_Recv(&other_found, 1, MPI_INT, source, tag2, MPI_COMM_WORLD, &status);
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MPI_Recv(other_proc_name, 50, MPI_CHAR, source, tag3, MPI_COMM_WORLD, &status);
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if (other_found)
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printf("\n Code %d found in database of process %d on %s \n", code, source, other_proc_name);
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}
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if (found)
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printf("\n Code %d found in database of process %d on %s \n", code, my_rank, proc_name);
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}
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MPI_Finalize();
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}
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