int MPIR_Group_create( int nproc, MPIR_Group **new_group_ptr )
{
int mpi_errno = MPI_SUCCESS;
*new_group_ptr = (MPIR_Group *)MPIR_Handle_obj_alloc( &MPIR_Group_mem );
/* --BEGIN ERROR HANDLING-- */
if (!*new_group_ptr) {
mpi_errno = MPIR_Err_create_code( MPI_SUCCESS, MPIR_ERR_RECOVERABLE, "MPIR_Group_create", __LINE__, MPI_ERR_OTHER, "**nomem", 0 );
return mpi_errno;
}
/* --END ERROR HANDLING-- */
MPIR_Object_set_ref( *new_group_ptr, 1 );
(*new_group_ptr)->lrank_to_lpid =
(MPII_Group_pmap_t *)MPL_malloc( nproc * sizeof(MPII_Group_pmap_t) );
/* --BEGIN ERROR HANDLING-- */
if (!(*new_group_ptr)->lrank_to_lpid) {
MPIR_Handle_obj_free( &MPIR_Group_mem, *new_group_ptr );
*new_group_ptr = NULL;
MPIR_CHKMEM_SETERR(mpi_errno,nproc*sizeof(MPII_Group_pmap_t),
"newgroup->lrank_to_lpid");
return mpi_errno;
}
/* --END ERROR HANDLING-- */
(*new_group_ptr)->size = nproc;
/* Make sure that there is no question that the list of ranks sorted
by pids is marked as uninitialized */
(*new_group_ptr)->idx_of_first_lpid = -1;
(*new_group_ptr)->is_local_dense_monotonic = FALSE;
return mpi_errno;
}
/* Provides a way to trap all attribute allocations when debugging leaks. */
MPIR_Attribute *MPID_Attr_alloc(void)
{
MPIR_Attribute *attr = (MPIR_Attribute *) MPIR_Handle_obj_alloc(&MPID_Attr_mem);
/* attributes don't have refcount semantics, but let's keep valgrind and
* the debug logging pacified */
MPIR_Assert(attr != NULL);
MPIR_Object_set_ref(attr, 0);
return attr;
}
int MPIR_Comm_create_keyval_impl(MPI_Comm_copy_attr_function *comm_copy_attr_fn,
MPI_Comm_delete_attr_function *comm_delete_attr_fn,
int *comm_keyval, void *extra_state)
{
int mpi_errno = MPI_SUCCESS;
MPII_Keyval *keyval_ptr;
keyval_ptr = (MPII_Keyval *)MPIR_Handle_obj_alloc( &MPII_Keyval_mem );
MPIR_ERR_CHKANDJUMP(!keyval_ptr, mpi_errno, MPI_ERR_OTHER,"**nomem");
/* Initialize the attribute dup function */
if (!MPIR_Process.attr_dup) {
MPIR_Process.attr_dup = MPIR_Attr_dup_list;
MPIR_Process.attr_free = MPIR_Attr_delete_list;
}
/* The handle encodes the keyval kind. Modify it to have the correct
field */
keyval_ptr->handle = (keyval_ptr->handle & ~(0x03c00000)) |
(MPIR_COMM << 22);
MPIR_Object_set_ref(keyval_ptr,1);
keyval_ptr->was_freed = 0;
keyval_ptr->kind = MPIR_COMM;
keyval_ptr->extra_state = extra_state;
keyval_ptr->copyfn.user_function = comm_copy_attr_fn;
keyval_ptr->copyfn.proxy = MPII_Attr_copy_c_proxy;
keyval_ptr->delfn.user_function = comm_delete_attr_fn;
keyval_ptr->delfn.proxy = MPII_Attr_delete_c_proxy;
MPIR_OBJ_PUBLISH_HANDLE(*comm_keyval, keyval_ptr->handle);
fn_exit:
return mpi_errno;
fn_fail:
goto fn_exit;
}
/*@
MPIR_Type_dup - create a copy of a datatype
Input Parameters:
- oldtype - handle of original datatype
Output Parameters:
. newtype - handle of newly created copy of datatype
Return Value:
0 on success, MPI error code on failure.
@*/
int MPIR_Type_dup(MPI_Datatype oldtype, MPI_Datatype * newtype)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Datatype *new_dtp = 0, *old_dtp;
if (HANDLE_GET_KIND(oldtype) == HANDLE_KIND_BUILTIN) {
/* create a new type and commit it. */
mpi_errno = MPIR_Type_contiguous(1, oldtype, newtype);
if (mpi_errno) {
MPIR_ERR_POP(mpi_errno);
}
} else {
/* allocate new datatype object and handle */
new_dtp = (MPIR_Datatype *) MPIR_Handle_obj_alloc(&MPIR_Datatype_mem);
if (!new_dtp) {
/* --BEGIN ERROR HANDLING-- */
mpi_errno = MPIR_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
"MPIR_Type_dup", __LINE__, MPI_ERR_OTHER,
"**nomem", 0);
goto fn_fail;
/* --END ERROR HANDLING-- */
}
MPIR_Datatype_get_ptr(oldtype, old_dtp);
/* fill in datatype */
MPIR_Object_set_ref(new_dtp, 1);
/* new_dtp->handle is filled in by MPIR_Handle_obj_alloc() */
new_dtp->is_contig = old_dtp->is_contig;
new_dtp->size = old_dtp->size;
new_dtp->extent = old_dtp->extent;
new_dtp->ub = old_dtp->ub;
new_dtp->lb = old_dtp->lb;
new_dtp->true_ub = old_dtp->true_ub;
new_dtp->true_lb = old_dtp->true_lb;
new_dtp->alignsize = old_dtp->alignsize;
new_dtp->has_sticky_ub = old_dtp->has_sticky_ub;
new_dtp->has_sticky_lb = old_dtp->has_sticky_lb;
new_dtp->is_committed = old_dtp->is_committed;
new_dtp->attributes = NULL; /* Attributes are copied in the
* top-level MPI_Type_dup routine */
new_dtp->name[0] = 0; /* The Object name is not copied on
* a dup */
new_dtp->n_builtin_elements = old_dtp->n_builtin_elements;
new_dtp->builtin_element_size = old_dtp->builtin_element_size;
new_dtp->basic_type = old_dtp->basic_type;
new_dtp->max_contig_blocks = old_dtp->max_contig_blocks;
new_dtp->dataloop = NULL;
new_dtp->dataloop_size = old_dtp->dataloop_size;
*newtype = new_dtp->handle;
if (old_dtp->is_committed) {
MPIR_Assert(old_dtp->dataloop != NULL);
MPIR_Dataloop_dup(old_dtp->dataloop, old_dtp->dataloop_size, &new_dtp->dataloop);
MPID_Type_commit_hook(new_dtp);
}
}
MPL_DBG_MSG_D(MPIR_DBG_DATATYPE, VERBOSE, "dup type %x created.", *newtype);
fn_fail:
return mpi_errno;
}
/*@
MPIDU_Type_vector - create a vector datatype
Input Parameters:
+ count - number of blocks in vector
. blocklength - number of elements in each block
. stride - distance from beginning of one block to the next (see next
parameter for units)
. strideinbytes - if nonzero, then stride is in bytes, otherwise stride
is in terms of extent of oldtype
- oldtype - type (using handle) of datatype on which vector is based
Output Parameters:
. newtype - handle of new vector datatype
Return Value:
0 on success, MPI error code on failure.
@*/
int MPIDU_Type_vector(int count,
int blocklength,
MPI_Aint stride,
int strideinbytes,
MPI_Datatype oldtype,
MPI_Datatype *newtype)
{
int mpi_errno = MPI_SUCCESS;
int is_builtin, old_is_contig;
MPI_Aint el_sz, old_sz;
MPI_Datatype el_type;
MPI_Aint old_lb, old_ub, old_extent, old_true_lb, old_true_ub, eff_stride;
MPIDU_Datatype *new_dtp;
if (count == 0) return MPIDU_Type_zerolen(newtype);
/* allocate new datatype object and handle */
new_dtp = (MPIDU_Datatype *) MPIR_Handle_obj_alloc(&MPIDU_Datatype_mem);
if (!new_dtp) {
/* --BEGIN ERROR HANDLING-- */
mpi_errno = MPIR_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
"MPIDU_Type_vector", __LINE__,
MPI_ERR_OTHER, "**nomem", 0);
return mpi_errno;
/* --END ERROR HANDLING-- */
}
/* handle is filled in by MPIR_Handle_obj_alloc() */
MPIR_Object_set_ref(new_dtp, 1);
new_dtp->is_permanent = 0;
new_dtp->is_committed = 0;
new_dtp->attributes = NULL;
new_dtp->cache_id = 0;
new_dtp->name[0] = 0;
new_dtp->contents = NULL;
new_dtp->dataloop = NULL;
new_dtp->dataloop_size = -1;
new_dtp->dataloop_depth = -1;
new_dtp->hetero_dloop = NULL;
new_dtp->hetero_dloop_size = -1;
new_dtp->hetero_dloop_depth = -1;
is_builtin = (HANDLE_GET_KIND(oldtype) == HANDLE_KIND_BUILTIN);
if (is_builtin) {
el_sz = (MPI_Aint) MPIDU_Datatype_get_basic_size(oldtype);
el_type = oldtype;
old_lb = 0;
old_true_lb = 0;
old_ub = el_sz;
old_true_ub = el_sz;
old_sz = el_sz;
old_extent = el_sz;
old_is_contig = 1;
new_dtp->size = (MPI_Aint) count *
(MPI_Aint) blocklength * el_sz;
new_dtp->has_sticky_lb = 0;
new_dtp->has_sticky_ub = 0;
new_dtp->alignsize = el_sz; /* ??? */
new_dtp->n_builtin_elements = count * blocklength;
new_dtp->builtin_element_size = el_sz;
new_dtp->basic_type = el_type;
new_dtp->max_contig_blocks = count;
eff_stride = (strideinbytes) ? stride : (stride * el_sz);
}
else /* user-defined base type (oldtype) */ {
MPIDU_Datatype *old_dtp;
MPIDU_Datatype_get_ptr(oldtype, old_dtp);
el_sz = old_dtp->builtin_element_size;
el_type = old_dtp->basic_type;
old_lb = old_dtp->lb;
old_true_lb = old_dtp->true_lb;
old_ub = old_dtp->ub;
old_true_ub = old_dtp->true_ub;
old_sz = old_dtp->size;
old_extent = old_dtp->extent;
old_is_contig = old_dtp->is_contig;
new_dtp->size = count * blocklength * old_dtp->size;
new_dtp->has_sticky_lb = old_dtp->has_sticky_lb;
new_dtp->has_sticky_ub = old_dtp->has_sticky_ub;
new_dtp->alignsize = old_dtp->alignsize;
new_dtp->n_builtin_elements = count * blocklength * old_dtp->n_builtin_elements;
new_dtp->builtin_element_size = el_sz;
new_dtp->basic_type = el_type;
new_dtp->max_contig_blocks = old_dtp->max_contig_blocks * count * blocklength;
eff_stride = (strideinbytes) ? stride : (stride * old_dtp->extent);
}
MPIDU_DATATYPE_VECTOR_LB_UB((MPI_Aint) count,
eff_stride,
(MPI_Aint) blocklength,
old_lb,
old_ub,
old_extent,
new_dtp->lb,
new_dtp->ub);
new_dtp->true_lb = new_dtp->lb + (old_true_lb - old_lb);
new_dtp->true_ub = new_dtp->ub + (old_true_ub - old_ub);
new_dtp->extent = new_dtp->ub - new_dtp->lb;
/* new type is only contig for N types if old one was, and
* size and extent of new type are equivalent, and stride is
* equal to blocklength * size of old type.
*/
if ((MPI_Aint)(new_dtp->size) == new_dtp->extent &&
eff_stride == (MPI_Aint) blocklength * old_sz &&
old_is_contig)
{
new_dtp->is_contig = 1;
new_dtp->max_contig_blocks = 1;
}
else {
new_dtp->is_contig = 0;
}
*newtype = new_dtp->handle;
MPL_DBG_MSG_P(MPIR_DBG_DATATYPE,VERBOSE,"vector type %x created.",
new_dtp->handle);
return mpi_errno;
}
static int win_init(MPI_Aint size, int disp_unit, int create_flavor, int model, MPIR_Info * info,
MPIR_Comm * comm_ptr, MPIR_Win ** win_ptr)
{
int mpi_errno = MPI_SUCCESS;
int i;
MPIR_Comm *win_comm_ptr;
int win_target_pool_size;
MPIR_CHKPMEM_DECL(5);
MPIR_FUNC_VERBOSE_STATE_DECL(MPID_STATE_WIN_INIT);
MPIR_FUNC_VERBOSE_ENTER(MPID_STATE_WIN_INIT);
MPID_THREAD_CS_ENTER(POBJ, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
if (initRMAoptions) {
MPIDI_CH3_RMA_Init_sync_pvars();
MPIDI_CH3_RMA_Init_pkthandler_pvars();
initRMAoptions = 0;
}
MPID_THREAD_CS_EXIT(POBJ, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
*win_ptr = (MPIR_Win *) MPIR_Handle_obj_alloc(&MPIR_Win_mem);
MPIR_ERR_CHKANDJUMP1(!(*win_ptr), mpi_errno, MPI_ERR_OTHER, "**nomem",
"**nomem %s", "MPIR_Win_mem");
mpi_errno = MPIR_Comm_dup_impl(comm_ptr, &win_comm_ptr);
if (mpi_errno)
MPIR_ERR_POP(mpi_errno);
MPIR_Object_set_ref(*win_ptr, 1);
/* (*win_ptr)->errhandler is set by upper level; */
/* (*win_ptr)->base is set by caller; */
(*win_ptr)->size = size;
(*win_ptr)->disp_unit = disp_unit;
(*win_ptr)->create_flavor = create_flavor;
(*win_ptr)->model = model;
(*win_ptr)->attributes = NULL;
(*win_ptr)->comm_ptr = win_comm_ptr;
(*win_ptr)->at_completion_counter = 0;
(*win_ptr)->shm_base_addrs = NULL;
/* (*win_ptr)->basic_info_table[] is set by caller; */
(*win_ptr)->current_lock_type = MPID_LOCK_NONE;
(*win_ptr)->shared_lock_ref_cnt = 0;
(*win_ptr)->target_lock_queue_head = NULL;
(*win_ptr)->shm_allocated = FALSE;
(*win_ptr)->states.access_state = MPIDI_RMA_NONE;
(*win_ptr)->states.exposure_state = MPIDI_RMA_NONE;
(*win_ptr)->num_targets_with_pending_net_ops = 0;
(*win_ptr)->start_ranks_in_win_grp = NULL;
(*win_ptr)->start_grp_size = 0;
(*win_ptr)->lock_all_assert = 0;
(*win_ptr)->lock_epoch_count = 0;
(*win_ptr)->outstanding_locks = 0;
(*win_ptr)->current_target_lock_data_bytes = 0;
(*win_ptr)->sync_request_cnt = 0;
(*win_ptr)->active = FALSE;
(*win_ptr)->next = NULL;
(*win_ptr)->prev = NULL;
(*win_ptr)->outstanding_acks = 0;
/* Initialize the info flags */
(*win_ptr)->info_args.no_locks = 0;
(*win_ptr)->info_args.accumulate_ordering = MPIDI_ACC_ORDER_RAR | MPIDI_ACC_ORDER_RAW |
MPIDI_ACC_ORDER_WAR | MPIDI_ACC_ORDER_WAW;
(*win_ptr)->info_args.accumulate_ops = MPIDI_ACC_OPS_SAME_OP_NO_OP;
(*win_ptr)->info_args.same_size = 0;
(*win_ptr)->info_args.same_disp_unit = FALSE;
(*win_ptr)->info_args.alloc_shared_noncontig = 0;
(*win_ptr)->info_args.alloc_shm = FALSE;
if ((*win_ptr)->create_flavor == MPI_WIN_FLAVOR_ALLOCATE ||
(*win_ptr)->create_flavor == MPI_WIN_FLAVOR_SHARED) {
(*win_ptr)->info_args.alloc_shm = TRUE;
}
/* Set info_args on window based on info provided by user */
mpi_errno = MPID_Win_set_info((*win_ptr), info);
if (mpi_errno != MPI_SUCCESS)
MPIR_ERR_POP(mpi_errno);
MPIR_CHKPMEM_MALLOC((*win_ptr)->op_pool_start, MPIDI_RMA_Op_t *,
sizeof(MPIDI_RMA_Op_t) * MPIR_CVAR_CH3_RMA_OP_WIN_POOL_SIZE, mpi_errno,
"RMA op pool", MPL_MEM_RMA);
(*win_ptr)->op_pool_head = NULL;
for (i = 0; i < MPIR_CVAR_CH3_RMA_OP_WIN_POOL_SIZE; i++) {
(*win_ptr)->op_pool_start[i].pool_type = MPIDI_RMA_POOL_WIN;
DL_APPEND((*win_ptr)->op_pool_head, &((*win_ptr)->op_pool_start[i]));
}
win_target_pool_size =
MPL_MIN(MPIR_CVAR_CH3_RMA_TARGET_WIN_POOL_SIZE, MPIR_Comm_size(win_comm_ptr));
MPIR_CHKPMEM_MALLOC((*win_ptr)->target_pool_start, MPIDI_RMA_Target_t *,
sizeof(MPIDI_RMA_Target_t) * win_target_pool_size, mpi_errno,
"RMA target pool", MPL_MEM_RMA);
(*win_ptr)->target_pool_head = NULL;
for (i = 0; i < win_target_pool_size; i++) {
(*win_ptr)->target_pool_start[i].pool_type = MPIDI_RMA_POOL_WIN;
DL_APPEND((*win_ptr)->target_pool_head, &((*win_ptr)->target_pool_start[i]));
}
(*win_ptr)->num_slots = MPL_MIN(MPIR_CVAR_CH3_RMA_SLOTS_SIZE, MPIR_Comm_size(win_comm_ptr));
MPIR_CHKPMEM_MALLOC((*win_ptr)->slots, MPIDI_RMA_Slot_t *,
sizeof(MPIDI_RMA_Slot_t) * (*win_ptr)->num_slots, mpi_errno, "RMA slots",
MPL_MEM_RMA);
for (i = 0; i < (*win_ptr)->num_slots; i++) {
(*win_ptr)->slots[i].target_list_head = NULL;
}
MPIR_CHKPMEM_MALLOC((*win_ptr)->target_lock_entry_pool_start,
MPIDI_RMA_Target_lock_entry_t *,
sizeof(MPIDI_RMA_Target_lock_entry_t) *
MPIR_CVAR_CH3_RMA_TARGET_LOCK_ENTRY_WIN_POOL_SIZE, mpi_errno,
"RMA lock entry pool", MPL_MEM_RMA);
(*win_ptr)->target_lock_entry_pool_head = NULL;
for (i = 0; i < MPIR_CVAR_CH3_RMA_TARGET_LOCK_ENTRY_WIN_POOL_SIZE; i++) {
DL_APPEND((*win_ptr)->target_lock_entry_pool_head,
&((*win_ptr)->target_lock_entry_pool_start[i]));
}
if (MPIDI_RMA_Win_inactive_list_head == NULL && MPIDI_RMA_Win_active_list_head == NULL) {
/* this is the first window, register RMA progress hook */
mpi_errno = MPID_Progress_register_hook(MPIDI_CH3I_RMA_Make_progress_global,
&MPIDI_CH3I_RMA_Progress_hook_id);
if (mpi_errno) {
MPIR_ERR_POP(mpi_errno);
}
}
DL_APPEND(MPIDI_RMA_Win_inactive_list_head, (*win_ptr));
if (MPIDI_CH3U_Win_hooks.win_init != NULL) {
mpi_errno =
MPIDI_CH3U_Win_hooks.win_init(size, disp_unit, create_flavor, model, info, comm_ptr,
win_ptr);
if (mpi_errno != MPI_SUCCESS)
MPIR_ERR_POP(mpi_errno);
}
fn_exit:
MPIR_FUNC_VERBOSE_EXIT(MPID_STATE_WIN_INIT);
return mpi_errno;
fn_fail:
MPIR_CHKPMEM_REAP();
goto fn_exit;
}
int MPIDU_Type_indexed(int count,
const int *blocklength_array,
const void *displacement_array,
int dispinbytes,
MPI_Datatype oldtype,
MPI_Datatype *newtype)
{
int mpi_errno = MPI_SUCCESS;
int is_builtin, old_is_contig;
int i;
MPI_Aint contig_count;
MPI_Aint el_sz, el_ct, old_ct, old_sz;
MPI_Aint old_lb, old_ub, old_extent, old_true_lb, old_true_ub;
MPI_Aint min_lb = 0, max_ub = 0, eff_disp;
MPI_Datatype el_type;
MPIDU_Datatype *new_dtp;
if (count == 0) return MPIDU_Type_zerolen(newtype);
/* sanity check that blocklens are all non-negative */
for (i = 0; i < count; ++i) {
DLOOP_Assert(blocklength_array[i] >= 0);
}
/* allocate new datatype object and handle */
new_dtp = (MPIDU_Datatype *) MPIR_Handle_obj_alloc(&MPIDU_Datatype_mem);
/* --BEGIN ERROR HANDLING-- */
if (!new_dtp)
{
mpi_errno = MPIR_Err_create_code(MPI_SUCCESS,
MPIR_ERR_RECOVERABLE,
"MPIDU_Type_indexed",
__LINE__,
MPI_ERR_OTHER,
"**nomem",
0);
return mpi_errno;
}
/* --END ERROR HANDLING-- */
/* handle is filled in by MPIR_Handle_obj_alloc() */
MPIR_Object_set_ref(new_dtp, 1);
new_dtp->is_permanent = 0;
new_dtp->is_committed = 0;
new_dtp->attributes = NULL;
new_dtp->cache_id = 0;
new_dtp->name[0] = 0;
new_dtp->contents = NULL;
new_dtp->dataloop = NULL;
new_dtp->dataloop_size = -1;
new_dtp->dataloop_depth = -1;
new_dtp->hetero_dloop = NULL;
new_dtp->hetero_dloop_size = -1;
new_dtp->hetero_dloop_depth = -1;
is_builtin = (HANDLE_GET_KIND(oldtype) == HANDLE_KIND_BUILTIN);
if (is_builtin)
{
/* builtins are handled differently than user-defined types because
* they have no associated dataloop or datatype structure.
*/
el_sz = MPIDU_Datatype_get_basic_size(oldtype);
old_sz = el_sz;
el_ct = 1;
el_type = oldtype;
old_lb = 0;
old_true_lb = 0;
old_ub = (MPI_Aint) el_sz;
old_true_ub = (MPI_Aint) el_sz;
old_extent = (MPI_Aint) el_sz;
old_is_contig = 1;
new_dtp->has_sticky_ub = 0;
new_dtp->has_sticky_lb = 0;
MPIR_Assign_trunc(new_dtp->alignsize, el_sz, MPI_Aint);
new_dtp->builtin_element_size = el_sz;
new_dtp->basic_type = el_type;
new_dtp->max_contig_blocks = count;
}
else
{
/* user-defined base type (oldtype) */
MPIDU_Datatype *old_dtp;
MPIDU_Datatype_get_ptr(oldtype, old_dtp);
/* Ensure that "builtin_element_size" fits into an int datatype. */
MPIR_Ensure_Aint_fits_in_int(old_dtp->builtin_element_size);
el_sz = old_dtp->builtin_element_size;
old_sz = old_dtp->size;
el_ct = old_dtp->n_builtin_elements;
el_type = old_dtp->basic_type;
old_lb = old_dtp->lb;
old_true_lb = old_dtp->true_lb;
old_ub = old_dtp->ub;
old_true_ub = old_dtp->true_ub;
old_extent = old_dtp->extent;
old_is_contig = old_dtp->is_contig;
new_dtp->has_sticky_lb = old_dtp->has_sticky_lb;
new_dtp->has_sticky_ub = old_dtp->has_sticky_ub;
new_dtp->builtin_element_size = (MPI_Aint) el_sz;
new_dtp->basic_type = el_type;
new_dtp->max_contig_blocks = 0;
for(i=0; i<count; i++)
new_dtp->max_contig_blocks
+= old_dtp->max_contig_blocks
* ((MPI_Aint ) blocklength_array[i]);
}
/* find the first nonzero blocklength element */
i = 0;
while (i < count && blocklength_array[i] == 0) i++;
if (i == count) {
MPIR_Handle_obj_free(&MPIDU_Datatype_mem, new_dtp);
return MPIDU_Type_zerolen(newtype);
}
/* priming for loop */
old_ct = blocklength_array[i];
eff_disp = (dispinbytes) ? ((MPI_Aint *) displacement_array)[i] :
(((MPI_Aint) ((int *) displacement_array)[i]) * old_extent);
MPIDU_DATATYPE_BLOCK_LB_UB((MPI_Aint) blocklength_array[i],
eff_disp,
old_lb,
old_ub,
old_extent,
min_lb,
max_ub);
/* determine min lb, max ub, and count of old types in remaining
* nonzero size blocks
*/
for (i++; i < count; i++)
{
MPI_Aint tmp_lb, tmp_ub;
if (blocklength_array[i] > 0) {
old_ct += blocklength_array[i]; /* add more oldtypes */
eff_disp = (dispinbytes) ? ((MPI_Aint *) displacement_array)[i] :
(((MPI_Aint) ((int *) displacement_array)[i]) * old_extent);
/* calculate ub and lb for this block */
MPIDU_DATATYPE_BLOCK_LB_UB((MPI_Aint)(blocklength_array[i]),
eff_disp,
old_lb,
old_ub,
old_extent,
tmp_lb,
tmp_ub);
if (tmp_lb < min_lb) min_lb = tmp_lb;
if (tmp_ub > max_ub) max_ub = tmp_ub;
}
}
new_dtp->size = old_ct * old_sz;
new_dtp->lb = min_lb;
new_dtp->ub = max_ub;
new_dtp->true_lb = min_lb + (old_true_lb - old_lb);
new_dtp->true_ub = max_ub + (old_true_ub - old_ub);
new_dtp->extent = max_ub - min_lb;
new_dtp->n_builtin_elements = old_ct * el_ct;
/* new type is only contig for N types if it's all one big
* block, its size and extent are the same, and the old type
* was also contiguous.
*/
new_dtp->is_contig = 0;
if(old_is_contig)
{
MPI_Aint *blklens = MPL_malloc(count *sizeof(MPI_Aint));
for (i=0; i<count; i++)
blklens[i] = blocklength_array[i];
contig_count = MPIDU_Type_indexed_count_contig(count,
blklens,
displacement_array,
dispinbytes,
old_extent);
new_dtp->max_contig_blocks = contig_count;
if( (contig_count == 1) &&
((MPI_Aint) new_dtp->size == new_dtp->extent))
{
new_dtp->is_contig = 1;
}
MPL_free(blklens);
}
*newtype = new_dtp->handle;
return mpi_errno;
}
/*@
MPIR_Type_contiguous - create a contiguous datatype
Input Parameters:
+ count - number of elements in the contiguous block
- oldtype - type (using handle) of datatype on which vector is based
Output Parameters:
. newtype - handle of new contiguous datatype
Return Value:
MPI_SUCCESS on success, MPI error code on failure.
@*/
int MPIR_Type_contiguous(int count,
MPI_Datatype oldtype,
MPI_Datatype *newtype)
{
int mpi_errno = MPI_SUCCESS;
int is_builtin;
MPI_Aint el_sz;
MPI_Datatype el_type;
MPIR_Datatype *new_dtp;
if (count == 0) return MPII_Type_zerolen(newtype);
/* allocate new datatype object and handle */
new_dtp = (MPIR_Datatype *) MPIR_Handle_obj_alloc(&MPIR_Datatype_mem);
/* --BEGIN ERROR HANDLING-- */
if (!new_dtp)
{
mpi_errno = MPIR_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
"MPIR_Type_contiguous",
__LINE__, MPI_ERR_OTHER,
"**nomem", 0);
return mpi_errno;
}
/* --END ERROR HANDLING-- */
/* handle is filled in by MPIR_Handle_obj_alloc() */
MPIR_Object_set_ref(new_dtp, 1);
new_dtp->is_permanent = 0;
new_dtp->is_committed = 0;
new_dtp->attributes = NULL;
new_dtp->cache_id = 0;
new_dtp->name[0] = 0;
new_dtp->contents = NULL;
new_dtp->dataloop = NULL;
new_dtp->dataloop_size = -1;
new_dtp->dataloop_depth = -1;
new_dtp->hetero_dloop = NULL;
new_dtp->hetero_dloop_size = -1;
new_dtp->hetero_dloop_depth = -1;
is_builtin = (HANDLE_GET_KIND(oldtype) == HANDLE_KIND_BUILTIN);
if (is_builtin)
{
el_sz = MPIR_Datatype_get_basic_size(oldtype);
el_type = oldtype;
new_dtp->size = count * el_sz;
new_dtp->has_sticky_ub = 0;
new_dtp->has_sticky_lb = 0;
new_dtp->true_lb = 0;
new_dtp->lb = 0;
new_dtp->true_ub = count * el_sz;
new_dtp->ub = new_dtp->true_ub;
new_dtp->extent = new_dtp->ub - new_dtp->lb;
new_dtp->alignsize = el_sz;
new_dtp->n_builtin_elements = count;
new_dtp->builtin_element_size = el_sz;
new_dtp->basic_type = el_type;
new_dtp->is_contig = 1;
new_dtp->max_contig_blocks = 1;
}
else
{
/* user-defined base type (oldtype) */
MPIR_Datatype *old_dtp;
MPIR_Datatype_get_ptr(oldtype, old_dtp);
el_sz = old_dtp->builtin_element_size;
el_type = old_dtp->basic_type;
new_dtp->size = count * old_dtp->size;
new_dtp->has_sticky_ub = old_dtp->has_sticky_ub;
new_dtp->has_sticky_lb = old_dtp->has_sticky_lb;
MPII_DATATYPE_CONTIG_LB_UB((MPI_Aint) count,
old_dtp->lb,
old_dtp->ub,
old_dtp->extent,
new_dtp->lb,
new_dtp->ub);
/* easiest to calc true lb/ub relative to lb/ub; doesn't matter
* if there are sticky lb/ubs or not when doing this.
*/
new_dtp->true_lb = new_dtp->lb + (old_dtp->true_lb - old_dtp->lb);
new_dtp->true_ub = new_dtp->ub + (old_dtp->true_ub - old_dtp->ub);
new_dtp->extent = new_dtp->ub - new_dtp->lb;
new_dtp->alignsize = old_dtp->alignsize;
new_dtp->n_builtin_elements = count * old_dtp->n_builtin_elements;
new_dtp->builtin_element_size = old_dtp->builtin_element_size;
new_dtp->basic_type = el_type;
MPIR_Datatype_is_contig(oldtype, &new_dtp->is_contig);
if(new_dtp->is_contig)
new_dtp->max_contig_blocks = 1;
else
new_dtp->max_contig_blocks = count * old_dtp->max_contig_blocks;
}
*newtype = new_dtp->handle;
MPL_DBG_MSG_P(MPIR_DBG_DATATYPE,VERBOSE,"contig type %x created.",
new_dtp->handle);
return mpi_errno;
}
/*@
MPIR_Type_blockindexed - create a block indexed datatype
Input Parameters:
+ count - number of blocks in type
. blocklength - number of elements in each block
. displacement_array - offsets of blocks from start of type (see next
parameter for units)
. dispinbytes - if nonzero, then displacements are in bytes, otherwise
they in terms of extent of oldtype
- oldtype - type (using handle) of datatype on which new type is based
Output Parameters:
. newtype - handle of new block indexed datatype
Return Value:
MPI_SUCCESS on success, MPI error on failure.
@*/
int MPIR_Type_blockindexed(int count,
int blocklength,
const void *displacement_array,
int dispinbytes, MPI_Datatype oldtype, MPI_Datatype * newtype)
{
int mpi_errno = MPI_SUCCESS, i;
int is_builtin, old_is_contig;
MPI_Aint contig_count;
MPI_Aint el_sz;
MPI_Datatype el_type;
MPI_Aint old_lb, old_ub, old_extent, old_true_lb, old_true_ub;
MPI_Aint min_lb = 0, max_ub = 0, eff_disp;
MPIR_Datatype *new_dtp;
if (count == 0)
return MPII_Type_zerolen(newtype);
/* allocate new datatype object and handle */
new_dtp = (MPIR_Datatype *) MPIR_Handle_obj_alloc(&MPIR_Datatype_mem);
/* --BEGIN ERROR HANDLING-- */
if (!new_dtp) {
mpi_errno = MPIR_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
"MPIR_Type_vector", __LINE__, MPI_ERR_OTHER, "**nomem", 0);
return mpi_errno;
}
/* --END ERROR HANDLING-- */
/* handle is filled in by MPIR_Handle_obj_alloc() */
MPIR_Object_set_ref(new_dtp, 1);
new_dtp->is_committed = 0;
new_dtp->attributes = NULL;
new_dtp->name[0] = 0;
new_dtp->contents = NULL;
new_dtp->dataloop = NULL;
new_dtp->dataloop_size = -1;
is_builtin = (HANDLE_GET_KIND(oldtype) == HANDLE_KIND_BUILTIN);
if (is_builtin) {
el_sz = (MPI_Aint) MPIR_Datatype_get_basic_size(oldtype);
el_type = oldtype;
old_lb = 0;
old_true_lb = 0;
old_ub = el_sz;
old_true_ub = el_sz;
old_extent = el_sz;
old_is_contig = 1;
new_dtp->size = (MPI_Aint) count *(MPI_Aint) blocklength *el_sz;
new_dtp->has_sticky_lb = 0;
new_dtp->has_sticky_ub = 0;
new_dtp->alignsize = el_sz; /* ??? */
new_dtp->n_builtin_elements = count * blocklength;
new_dtp->builtin_element_size = el_sz;
new_dtp->basic_type = el_type;
new_dtp->max_contig_blocks = count;
} else {
/* user-defined base type (oldtype) */
MPIR_Datatype *old_dtp;
MPIR_Datatype_get_ptr(oldtype, old_dtp);
el_sz = old_dtp->builtin_element_size;
el_type = old_dtp->basic_type;
old_lb = old_dtp->lb;
old_true_lb = old_dtp->true_lb;
old_ub = old_dtp->ub;
old_true_ub = old_dtp->true_ub;
old_extent = old_dtp->extent;
MPIR_Datatype_is_contig(oldtype, &old_is_contig);
new_dtp->size = (MPI_Aint) count *(MPI_Aint) blocklength *(MPI_Aint) old_dtp->size;
new_dtp->has_sticky_lb = old_dtp->has_sticky_lb;
new_dtp->has_sticky_ub = old_dtp->has_sticky_ub;
new_dtp->alignsize = old_dtp->alignsize;
new_dtp->n_builtin_elements = count * blocklength * old_dtp->n_builtin_elements;
new_dtp->builtin_element_size = el_sz;
new_dtp->basic_type = el_type;
new_dtp->max_contig_blocks = old_dtp->max_contig_blocks * count * blocklength;
}
/* priming for loop */
eff_disp = (dispinbytes) ? ((MPI_Aint *) displacement_array)[0] :
(((MPI_Aint) ((int *) displacement_array)[0]) * old_extent);
MPII_DATATYPE_BLOCK_LB_UB((MPI_Aint) blocklength,
eff_disp, old_lb, old_ub, old_extent, min_lb, max_ub);
/* determine new min lb and max ub */
for (i = 1; i < count; i++) {
MPI_Aint tmp_lb, tmp_ub;
eff_disp = (dispinbytes) ? ((MPI_Aint *) displacement_array)[i] :
(((MPI_Aint) ((int *) displacement_array)[i]) * old_extent);
MPII_DATATYPE_BLOCK_LB_UB((MPI_Aint) blocklength,
eff_disp, old_lb, old_ub, old_extent, tmp_lb, tmp_ub);
if (tmp_lb < min_lb)
min_lb = tmp_lb;
if (tmp_ub > max_ub)
max_ub = tmp_ub;
}
new_dtp->lb = min_lb;
new_dtp->ub = max_ub;
new_dtp->true_lb = min_lb + (old_true_lb - old_lb);
new_dtp->true_ub = max_ub + (old_true_ub - old_ub);
new_dtp->extent = max_ub - min_lb;
/* new type is contig for N types if it is all one big block,
* its size and extent are the same, and the old type was also
* contiguous.
*/
new_dtp->is_contig = 0;
if (old_is_contig) {
contig_count = MPII_Datatype_blockindexed_count_contig(count,
blocklength,
displacement_array,
dispinbytes, old_extent);
new_dtp->max_contig_blocks = contig_count;
if ((contig_count == 1) && ((MPI_Aint) new_dtp->size == new_dtp->extent)) {
new_dtp->is_contig = 1;
}
}
*newtype = new_dtp->handle;
return mpi_errno;
}
