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MPI

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Martin Thoma 2014-03-16 15:49:25 +01:00
parent c2db4122e7
commit deea4832fe
7 changed files with 104 additions and 5 deletions
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documents/Programmierparadigmen/scripts/mpi/for-example.c Normal file
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#include <stdio.h>
#include <mpi.h>
int main (int argc, char** args) {
int size, i;
int myrank;
MPI_Init(&argc, &args);
MPI_Comm_size(MPI_COMM_WORLD, &size);
MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
for (i=0; i<size; i++) {
MPI_Barrier(MPI_COMM_WORLD);
if (i == myrank) {
printf("Hello World, I have rank %d out of %d.\n",
myrank, size);
}
}
MPI_Finalize();
return 0;
}