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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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18
documents/Programmierparadigmen/scripts/mpi/mpi-send-example.c Normal file
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#include "mpi.h"
...
int signal, i, numprogs, me;
MPI_Status stat;
MPI_Comm_rank(MPI_COMM_WORLD, &me);
MPI_Comm_size(MPI_COMM_WORLD,
&numprocs);
if (me==ROOT) {
...
for (i=1; i<numprocs; i++) {
MPI_Send(&signal, 1, MPI_INT, i, 0, MPI_COMM_WORLD);
}
...
else {
MPI_Recv(&sig, 1, MPI_INT, ROOT, MPI_ANY_TAG,
MPI_COMM_WORLD, &stat);
...
}