int
ompi_osc_base_get_primitive_type_info(ompi_datatype_t *datatype,
ompi_datatype_t **prim_datatype,
uint32_t *prim_count)
{
struct ompi_datatype_t *primitive_datatype = NULL;
uint32_t primitive_count;
/* get underlying type... */
if (ompi_ddt_is_predefined(datatype)) {
primitive_datatype = datatype;
primitive_count = 1;
} else {
int i, found_index = -1;
uint64_t mask = 1;
for (i = 0 ; i < DT_MAX_PREDEFINED ; ++i) {
if (datatype->bdt_used & mask) {
found_index = i;
break;
}
mask *= 2;
}
primitive_datatype = (ompi_datatype_t*)
ompi_ddt_basicDatatypes[found_index];
primitive_count = datatype->nbElems;
}
*prim_datatype = primitive_datatype;
*prim_count = primitive_count;
return OMPI_SUCCESS;
}
int MPI_Accumulate(void *origin_addr, int origin_count, MPI_Datatype origin_datatype,
int target_rank, MPI_Aint target_disp, int target_count,
MPI_Datatype target_datatype, MPI_Op op, MPI_Win win)
{
int rc;
ompi_win_t *ompi_win = (ompi_win_t*) win;
if (MPI_PARAM_CHECK) {
rc = OMPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_win_invalid(win)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN, FUNC_NAME);
} else if (origin_count < 0 || target_count < 0) {
rc = MPI_ERR_COUNT;
} else if (ompi_win_peer_invalid(win, target_rank) &&
(MPI_PROC_NULL != target_rank)) {
rc = MPI_ERR_RANK;
} else if (MPI_OP_NULL == op) {
rc = MPI_ERR_OP;
} else if (!ompi_op_is_intrinsic(op)) {
rc = MPI_ERR_OP;
} else if (!ompi_win_comm_allowed(win)) {
rc = MPI_ERR_RMA_SYNC;
} else if ( target_disp < 0 ) {
rc = MPI_ERR_DISP;
} else if ( (origin_count < 0) || (target_count < 0) ) {
rc = MPI_ERR_COUNT;
} else {
OMPI_CHECK_DATATYPE_FOR_ONE_SIDED(rc, origin_datatype, origin_count);
if (OMPI_SUCCESS == rc) {
OMPI_CHECK_DATATYPE_FOR_ONE_SIDED(rc, target_datatype, target_count);
}
if (OMPI_SUCCESS == rc) {
/* While technically the standard probably requires that the
datatypes used with MPI_REPLACE conform to all the rules
for other reduction operators, we don't require such
behaivor, as checking for it is expensive here and we don't
care in implementation.. */
if (op != &ompi_mpi_op_replace) {
ompi_datatype_t *op_check_dt, *origin_check_dt;
char *msg;
if (ompi_ddt_is_predefined(origin_datatype)) {
origin_check_dt = origin_datatype;
} else {
int i, index = -1, num_found = 0;
uint64_t mask = 1;
for (i = 0 ; i < DT_MAX_PREDEFINED ; ++i) {
if (origin_datatype->bdt_used & mask) {
num_found++;
index = i;
}
mask *= 2;
}
if (index < 0 || num_found > 1) {
/* this is an erroneous datatype. Let
ompi_op_is_valid tell the user that */
OMPI_ERRHANDLER_RETURN(MPI_ERR_TYPE, win, MPI_ERR_TYPE, FUNC_NAME);
} else {
origin_check_dt = (ompi_datatype_t*)
ompi_ddt_basicDatatypes[index];
}
}
/* ACCUMULATE, unlike REDUCE, can use with derived
datatypes with predefinied operations, with some
restrictions outlined in MPI-2:6.3.4. The derived
datatype must be composed entirley from one predefined
datatype (so you can do all the construction you want,
but at the bottom, you can only use one datatype, say,
MPI_INT). If the datatype at the target isn't
predefined, then make sure it's composed of only one
datatype, and check that datatype against
ompi_op_is_valid(). */
if (ompi_ddt_is_predefined(target_datatype)) {
op_check_dt = target_datatype;
} else {
int i, index = -1, num_found = 0;
uint64_t mask = 1;
for (i = 0 ; i < DT_MAX_PREDEFINED ; ++i) {
if (target_datatype->bdt_used & mask) {
num_found++;
index = i;
}
mask *= 2;
}
if (index < 0 || num_found > 1) {
/* this is an erroneous datatype. Let
ompi_op_is_valid tell the user that */
OMPI_ERRHANDLER_RETURN(MPI_ERR_TYPE, win, MPI_ERR_TYPE, FUNC_NAME);
} else {
/* datatype passes muster as far as restrictions
in MPI-2:6.3.4. Is the primitive ok with the
op? Unfortunately have to cast away
constness... */
op_check_dt = (ompi_datatype_t*)
ompi_ddt_basicDatatypes[index];
}
}
/* check to make sure same primitive type */
if (op_check_dt != origin_check_dt) {
OMPI_ERRHANDLER_RETURN(MPI_ERR_ARG, win, MPI_ERR_ARG, FUNC_NAME);
}
/* check to make sure primitive type is valid for
reduction. Should do this on the target, but
then can't get the errcode back for this
call */
if (!ompi_op_is_valid(op, op_check_dt, &msg, FUNC_NAME)) {
int ret = OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_OP, msg);
free(msg);
return ret;
}
}
}
}
OMPI_ERRHANDLER_CHECK(rc, win, rc, FUNC_NAME);
/* While technically the standard probably requires that the
datatypes used with MPI_REPLACE conform to all the rules
for other reduction operators, we don't require such
behaivor, as checking for it is expensive here and we don't
care in implementation.. */
if (op != &ompi_mpi_op_replace) {
ompi_datatype_t *op_check_dt;
char *msg;
/* ACCUMULATE, unlike REDUCE, can use with derived
datatypes with predefinied operations, with some
restrictions outlined in MPI-2:6.3.4. The derived
datatype must be composed entirley from one predefined
datatype (so you can do all the construction you want,
but at the bottom, you can only use one datatype, say,
MPI_INT). If the datatype at the target isn't
predefined, then make sure it's composed of only one
datatype, and check that datatype against
ompi_op_is_valid(). */
if (ompi_ddt_is_predefined(target_datatype)) {
op_check_dt = target_datatype;
} else {
int i, index = -1, num_found = 0;
uint64_t mask = 1;
for (i = 0 ; i < DT_MAX_PREDEFINED ; ++i) {
if (target_datatype->bdt_used & mask) {
num_found++;
index = i;
}
mask *= 2;
}
if (index < 0 || num_found > 1) {
/* this is an erroneous datatype. Let
ompi_op_is_valid tell the user that */
op_check_dt = target_datatype;
} else {
/* datatype passes muster as far as restrictions
in MPI-2:6.3.4. Is the primitive ok with the
op? Unfortunately have to cast away
constness... */
op_check_dt = (ompi_datatype_t*)
ompi_ddt_basicDatatypes[index];
}
}
if (!ompi_op_is_valid(op, op_check_dt, &msg, FUNC_NAME)) {
int ret = OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_OP, msg);
free(msg);
return ret;
}
}
}
if (MPI_PROC_NULL == target_rank) return MPI_SUCCESS;
rc = ompi_win->w_osc_module->osc_accumulate(origin_addr,
origin_count,
origin_datatype,
target_rank,
target_disp,
target_count,
target_datatype,
op, win);
OMPI_ERRHANDLER_RETURN(rc, win, rc, FUNC_NAME);
}
