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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include <stdio.h>
#include "mpi.h"
#include "mpiimpl.h"
int main(int argc, char *argv[])
{
MPIR_Group group, *group_ptr = &group;
int i;
MPI_Init(&argc, &argv);
/* Setup a sample group */
group.handle = 1;
group.ref_count = 1;
group.size = 4;
group.rank = 0;
group.idx_of_first_lpid = -1;
group.lrank_to_lpid = (MPII_Group_pmap_t *)
MPL_malloc(group.size * sizeof(MPII_Group_pmap_t), MPL_MEM_OTHER);
for (i = 0; i < group.size; i++) {
group.lrank_to_lpid[i].lrank = i;
group.lrank_to_lpid[i].lpid = group.size - i - 1;
group.lrank_to_lpid[i].next_lpid = -1;
group.lrank_to_lpid[i].flag = 0;
}
/* Set up the group lpid list */
MPII_Group_setup_lpid_list(group_ptr);
/* Print the group structure */
printf("Index of first lpid = %d\n", group.idx_of_first_lpid);
for (i = 0; i < group.size; i++) {
printf("lrank_to_lpid[%d].next_lpid = %d, .lpid = %d\n",
i, group.lrank_to_lpid[i].next_lpid, group.lrank_to_lpid[i].lpid);
}
MPI_Finalize();
return 0;
}
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