37 строки
932 B
C
37 строки
932 B
C
#include <mpi.h>
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#include <stdio.h>
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int main(int argc, char* argv[])
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{
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int myid, nprocs, tag;
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int i, m, nt;
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MPI_Status status;
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double workarray1[561], workarray2[561];
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const int numm = 50000;
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const int numt = 142;
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MPI_Init(NULL, NULL);
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MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
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MPI_Comm_rank(MPI_COMM_WORLD, &myid);
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for (m = 0; m < numm; ++m) {
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if (0 == (m % 1000)) {
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printf("rank %d, m = %d\n", myid, m);
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}
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for (nt = 0; nt <= numt; ++nt) {
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if (0 == myid) {
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for (i = 0; i < 561; ++i) {
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workarray1[i] = numm * numt * i;
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workarray2[i] = numm * numt * (i + 1);
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}
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}
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MPI_Bcast(workarray1, 561, MPI_DOUBLE, 0, MPI_COMM_WORLD);
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MPI_Bcast(workarray2, 561, MPI_DOUBLE, 0, MPI_COMM_WORLD);
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}
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}
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MPI_Finalize();
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return 0;
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}
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