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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <cctk.h>
#include <cctk_Arguments.h>
#include <cctk_Parameters.h>
#ifdef CCTK_MPI
# include <mpi.h>
#endif
/* Broadcast a vector element of a grid group */
static void
bcast (cGH const * restrict const cctkGH,
char const * restrict const group,
int const vecind,
int const root)
{
#ifdef CCTK_MPI
int ierr;
assert (group);
MPI_Comm comm;
if (CCTK_IsFunctionAliased ("GetMPICommWorld"))
{
comm = * (MPI_Comm const *) GetMPICommWorld (cctkGH);
}
else
{
comm = MPI_COMM_WORLD;
}
int num_procs;
MPI_Comm_size (comm, & num_procs);
assert (root >= 0 && root < num_procs);
int const gi = CCTK_GroupIndex (group);
assert (gi >= 0);
cGroup data;
ierr = CCTK_GroupData (gi, & data);
assert (! ierr);
assert (vecind >= 0 && vecind < data.vectorlength);
if (data.numvars == 0) return;
MPI_Datatype mpitype;
int items;
switch (data.vartype)
{
case CCTK_VARIABLE_INT:
assert (sizeof (CCTK_INT) == sizeof (int));
mpitype = MPI_INT;
items = 1;
break;
case CCTK_VARIABLE_REAL:
assert (sizeof (CCTK_REAL) == sizeof (double));
mpitype = MPI_DOUBLE;
items = 1;
break;
case CCTK_VARIABLE_COMPLEX:
assert (sizeof (CCTK_COMPLEX) == 2 * sizeof (double));
mpitype = MPI_DOUBLE;
items = 2;
break;
default:
assert (0);
}
assert (items > 0);
cGroupDynamicData dyndata;
ierr = CCTK_GroupDynamicData (cctkGH, gi, & dyndata);
assert (! ierr);
int elems = 1;
{
int d;
for (d = 0; d < dyndata.dim; ++ d)
{
elems *= dyndata.lsh[d];
}
}
assert (elems >= 0);
int const v0 = CCTK_FirstVarIndexI (gi);
assert (v0 >= 0);
int size;
MPI_Type_size (mpitype, & size);
assert (items * size == CCTK_VarTypeSize (data.vartype));
int const numvectors = data.numvars / data.vectorlength;
{
int vec;
for (vec = 0; vec < numvectors; ++ vec)
{
int const vi = v0 + vecind + data.vectorlength * vec;
void * restrict const ptr = CCTK_VarDataPtrI (cctkGH, 0, vi);
assert (ptr);
MPI_Bcast (ptr, elems * items, mpitype, root, comm);
}
}
#endif /* ifdef CCTK_MPI */
}
void CCTK_FCALL
CCTK_FNAME(qlm_broadcast) (CCTK_POINTER_TO_CONST * restrict cctkGH_);
void CCTK_FCALL
CCTK_FNAME(qlm_broadcast) (CCTK_POINTER_TO_CONST * restrict const cctkGH_)
{
cGH const * restrict const cctkGH = * (cGH const * const *) cctkGH_;
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
if (veryverbose)
{
CCTK_INFO ("Broadcasting quasi-local measures");
}
int const num_procs = CCTK_nProcs (cctkGH);
int hn;
for (hn = 0; hn < num_surfaces; ++ hn)
{
int const root = hn % num_procs;
bcast (cctkGH, "QuasiLocalMeasures::qlm_state" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_state_p" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_grid_int" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_grid_real" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_grid_real_p", hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_shapes" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_shapes_p" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_coordinates" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_tetrad_l" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_tetrad_n" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_tetrad_m" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_newman_penrose" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_weyl_scalars" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_ricci_scalars" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_twometric" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_killing_vector" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_killed_twometric" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_invariant_coordinates", hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_multipole_moments", hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_3determinant", hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_scalars" , hn, root);
bcast (cctkGH, "QuasiLocalMeasures::qlm_scalars_p", hn, root);
} /* for hn */
}
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