/**
* Measurement wrapper for MPI_Group_union
* @note Auto-generated by wrapgen from template: group_mgnt.w
* @note C interface
* @note Introduced with MPI 1.0
* @ingroup cg
*/
int MPI_Group_union(MPI_Group group1,
MPI_Group group2,
MPI_Group* newgroup)
{
const int event_gen_active = IS_EVENT_GEN_ON_FOR(CG);
int return_val;
if (event_gen_active)
{
EVENT_GEN_OFF();
esd_enter(epk_mpi_regid[EPK__MPI_GROUP_UNION]);
}
return_val = PMPI_Group_union(group1, group2, newgroup);
if (*newgroup != MPI_GROUP_NULL)
{
epk_group_create(*newgroup);
}
if (event_gen_active)
{
esd_exit(epk_mpi_regid[EPK__MPI_GROUP_UNION]);
EVENT_GEN_ON();
}
return return_val;
}
void vt_comm_create(MPI_Comm comm)
{
MPI_Group group, lgroup, rgroup;
VT_MPI_INT inter;
VT_MPI_INT size_grpv = 0;
uint32_t cid;
/* raise maximum number of communicators, if necessary */
if (last_comm == max_comms)
RAISE_MAX(comms, max_comms, struct VTComm);
/* ask for group of comm */
PMPI_Comm_test_inter(comm, &inter);
if (inter)
{
PMPI_Comm_remote_group(comm, &rgroup);
PMPI_Comm_group(comm, &lgroup);
PMPI_Group_union(lgroup, rgroup, &group);
PMPI_Group_free(&lgroup);
PMPI_Group_free(&rgroup);
}
else
{
PMPI_Comm_group(comm, &group);
}
/* create group entry in grpv except for
MPI_COMM_SELF and
MPI_COMM_WORLD (if the current rank isn't the first available one) */
if ((comm != MPI_COMM_SELF && comm != MPI_COMM_WORLD) ||
(comm == MPI_COMM_WORLD && vt_my_trace_is_first_avail))
{
group_to_bitvector( group );
size_grpv = world.size_grpv;
}
/* register mpi communicator definition */
#if (defined(VT_MT) || defined(VT_HYB))
VTTHRD_LOCK_IDS();
#endif /* VT_MT || VT_HYB */
cid = vt_def_mpi_comm(VT_CURRENT_THREAD,
comm == MPI_COMM_WORLD ? VT_MPI_COMM_WORLD :
comm == MPI_COMM_SELF ? VT_MPI_COMM_SELF : VT_MPI_COMM_OTHER,
size_grpv, grpv);
#if (defined(VT_MT) || defined(VT_HYB))
VTTHRD_UNLOCK_IDS();
#endif /* VT_MT || VT_HYB */
/* save communicator id for fast access in VT_COMM_ID */
if (comm == MPI_COMM_WORLD) vt_mpi_comm_world_cid = cid;
else if (comm == MPI_COMM_SELF) vt_mpi_comm_self_cid = cid;
/* enter comm in comms[] array */
comms[last_comm].comm = comm;
comms[last_comm].cid = cid;
last_comm++;
/* clean up */
PMPI_Group_free(&group);
}
int MPI_Group_union(MPI_Group group1, MPI_Group group2, MPI_Group * newgroup)
{
return PMPI_Group_union(group1, group2, newgroup);
}
int MPI_Group_union ( MPI_Group group1, MPI_Group group2,
MPI_Group *group_out )
{
_MPI_COVERAGE();
return PMPI_Group_union (group1, group2, group_out);
}
