summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/H5Dvirtual.c10
-rw-r--r--src/H5Shyper.c276
-rw-r--r--src/H5Smpio.c28
-rw-r--r--src/H5Spkg.h31
-rw-r--r--src/H5Sprivate.h2
-rw-r--r--src/H5Spublic.h2
-rw-r--r--src/H5Sselect.c81
7 files changed, 308 insertions, 122 deletions
diff --git a/src/H5Dvirtual.c b/src/H5Dvirtual.c
index 53640e7..877aadb 100644
--- a/src/H5Dvirtual.c
+++ b/src/H5Dvirtual.c
@@ -2406,7 +2406,7 @@ H5D__virtual_pre_io(H5D_io_info_t *io_info,
/* Project intersection of virtual space and clipped
* virtual space onto source space (create
* clipped_source_select) */
- if(H5S_select_project_intersection(storage->list[i].sub_dset[j].virtual_select, storage->list[i].source_select, storage->list[i].sub_dset[j].clipped_virtual_select, &storage->list[i].sub_dset[j].clipped_source_select) < 0)
+ if(H5S_select_project_intersection(storage->list[i].sub_dset[j].virtual_select, storage->list[i].source_select, storage->list[i].sub_dset[j].clipped_virtual_select, &storage->list[i].sub_dset[j].clipped_source_select, TRUE) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "can't project virtual intersection onto memory space")
/* Set extents of virtual_select and
@@ -2423,7 +2423,7 @@ H5D__virtual_pre_io(H5D_io_info_t *io_info,
if(storage->list[i].sub_dset[j].clipped_virtual_select) {
/* Project intersection of file space and mapping virtual space
* onto memory space */
- if(H5S_select_project_intersection(file_space, mem_space, storage->list[i].sub_dset[j].clipped_virtual_select, &storage->list[i].sub_dset[j].projected_mem_space) < 0)
+ if(H5S_select_project_intersection(file_space, mem_space, storage->list[i].sub_dset[j].clipped_virtual_select, &storage->list[i].sub_dset[j].projected_mem_space, TRUE) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "can't project virtual intersection onto memory space")
/* Check number of elements selected */
@@ -2460,7 +2460,7 @@ H5D__virtual_pre_io(H5D_io_info_t *io_info,
if(storage->list[i].source_dset.clipped_virtual_select) {
/* Project intersection of file space and mapping virtual space onto
* memory space */
- if(H5S_select_project_intersection(file_space, mem_space, storage->list[i].source_dset.clipped_virtual_select, &storage->list[i].source_dset.projected_mem_space) < 0)
+ if(H5S_select_project_intersection(file_space, mem_space, storage->list[i].source_dset.clipped_virtual_select, &storage->list[i].source_dset.projected_mem_space, TRUE) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "can't project virtual intersection onto memory space")
/* Check number of elements selected, add to tot_nelmts */
@@ -2590,7 +2590,7 @@ H5D__virtual_read_one(H5D_io_info_t *io_info, const H5D_type_info_t *type_info,
/* Project intersection of file space and mapping virtual space onto
* mapping source space */
- if(H5S_select_project_intersection(source_dset->clipped_virtual_select, source_dset->clipped_source_select, file_space, &projected_src_space) < 0)
+ if(H5S_select_project_intersection(source_dset->clipped_virtual_select, source_dset->clipped_source_select, file_space, &projected_src_space, TRUE) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "can't project virtual intersection onto source space")
/* Perform read on source dataset */
@@ -2781,7 +2781,7 @@ H5D__virtual_write_one(H5D_io_info_t *io_info, const H5D_type_info_t *type_info,
* extent in the unlimited dimension. -NAF */
/* Project intersection of file space and mapping virtual space onto
* mapping source space */
- if(H5S_select_project_intersection(source_dset->virtual_select, source_dset->clipped_source_select, file_space, &projected_src_space) < 0)
+ if(H5S_select_project_intersection(source_dset->virtual_select, source_dset->clipped_source_select, file_space, &projected_src_space, TRUE) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "can't project virtual intersection onto source space")
/* Perform write on source dataset */
diff --git a/src/H5Shyper.c b/src/H5Shyper.c
index 9feb8de..2c7502a 100644
--- a/src/H5Shyper.c
+++ b/src/H5Shyper.c
@@ -96,6 +96,7 @@ typedef struct {
hsize_t skip; /* Number of elements to skip in projected space */
hsize_t nelem; /* Number of elements to add to projected space (after skip) */
uint64_t op_gen; /* Operation generation for counting elements */
+ hbool_t share_selection; /* Whether span trees in dst_space can be shared with proj_space */
} H5S_hyper_project_intersect_ud_t;
/* Assert that H5S_MAX_RANK is <= 32 so our trick with using a 32 bit bitmap
@@ -112,6 +113,9 @@ typedef struct {
static H5S_hyper_span_t *H5S__hyper_new_span(hsize_t low, hsize_t high,
H5S_hyper_span_info_t *down, H5S_hyper_span_t *next);
static H5S_hyper_span_info_t *H5S__hyper_new_span_info(unsigned rank);
+static H5S_hyper_span_info_t *H5S__hyper_copy_span_helper(
+ H5S_hyper_span_info_t *spans, unsigned rank, unsigned op_info_i,
+ uint64_t op_gen);
static H5S_hyper_span_info_t *H5S__hyper_copy_span(H5S_hyper_span_info_t *spans,
unsigned rank);
static hbool_t H5S__hyper_cmp_spans(const H5S_hyper_span_info_t *span_info1,
@@ -132,7 +136,7 @@ static herr_t H5S__hyper_clip_spans(H5S_hyper_span_info_t *a_spans,
H5S_hyper_span_info_t **a_and_b, H5S_hyper_span_info_t **b_not_a);
static herr_t H5S__hyper_merge_spans(H5S_t *space, H5S_hyper_span_info_t *new_spans);
static hsize_t H5S__hyper_spans_nelem_helper(H5S_hyper_span_info_t *spans,
- uint64_t op_gen);
+ unsigned op_info_i, uint64_t op_gen);
static hsize_t H5S__hyper_spans_nelem(H5S_hyper_span_info_t *spans);
static herr_t H5S__hyper_add_disjoint_spans(H5S_t *space, H5S_hyper_span_info_t *new_spans);
static H5S_hyper_span_info_t *H5S__hyper_make_spans(unsigned rank,
@@ -2852,9 +2856,10 @@ done:
PURPOSE
Helper routine to copy a hyperslab span tree
USAGE
- H5S_hyper_span_info_t * H5S__hyper_copy_span_helper(spans, rank)
+ H5S_hyper_span_info_t * H5S__hyper_copy_span_helper(spans, rank, op_info_i, op_gen)
H5S_hyper_span_info_t *spans; IN: Span tree to copy
unsigned rank; IN: Rank of span tree
+ unsigned op_info_i; IN: Index of op info to use
uint64_t op_gen; IN: Operation generation
RETURNS
Pointer to the copied span tree on success, NULL on failure
@@ -2867,7 +2872,7 @@ done:
--------------------------------------------------------------------------*/
static H5S_hyper_span_info_t *
H5S__hyper_copy_span_helper(H5S_hyper_span_info_t *spans, unsigned rank,
- uint64_t op_gen)
+ unsigned op_info_i, uint64_t op_gen)
{
H5S_hyper_span_t *span; /* Hyperslab span */
H5S_hyper_span_t *new_span; /* Temporary hyperslab span */
@@ -2881,9 +2886,9 @@ H5S__hyper_copy_span_helper(H5S_hyper_span_info_t *spans, unsigned rank,
HDassert(spans);
/* Check if the span tree was already copied */
- if(spans->op_gen == op_gen) {
+ if(spans->op_info[op_info_i].op_gen == op_gen) {
/* Just return the value of the already copied span tree */
- ret_value = spans->u.copied;
+ ret_value = spans->op_info[op_info_i].u.copied;
/* Increment the reference count of the span tree */
ret_value->count++;
@@ -2899,10 +2904,10 @@ H5S__hyper_copy_span_helper(H5S_hyper_span_info_t *spans, unsigned rank,
ret_value->count = 1;
/* Set the operation generation for the span info, to avoid future copies */
- spans->op_gen = op_gen;
+ spans->op_info[op_info_i].op_gen = op_gen;
/* Set the 'copied' pointer in the node being copied to the newly allocated node */
- spans->u.copied = ret_value;
+ spans->op_info[op_info_i].u.copied = ret_value;
/* Copy over the nodes in the span list */
span = spans->head;
@@ -2920,7 +2925,7 @@ H5S__hyper_copy_span_helper(H5S_hyper_span_info_t *spans, unsigned rank,
/* Recurse to copy the 'down' spans, if there are any */
if(span->down != NULL) {
- if(NULL == (new_down = H5S__hyper_copy_span_helper(span->down, rank - 1, op_gen)))
+ if(NULL == (new_down = H5S__hyper_copy_span_helper(span->down, rank - 1, op_info_i, op_gen)))
HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCOPY, NULL, "can't copy hyperslab spans")
new_span->down = new_down;
} /* end if */
@@ -2976,7 +2981,9 @@ H5S__hyper_copy_span(H5S_hyper_span_info_t *spans, unsigned rank)
op_gen = H5S__hyper_get_op_gen();
/* Copy the hyperslab span tree */
- if(NULL == (ret_value = H5S__hyper_copy_span_helper(spans, rank, op_gen)))
+ /* Always use op_info[0] since we own this op_info, so there can be no
+ * simultaneous operations */
+ if(NULL == (ret_value = H5S__hyper_copy_span_helper(spans, rank, 0, op_gen)))
HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCOPY, NULL, "can't copy hyperslab span tree")
done:
@@ -3315,8 +3322,9 @@ done:
PURPOSE
Helper routine to count the number of blocks in a span tree
USAGE
- hsize_t H5S__hyper_span_nblocks_helper(spans)
+ hsize_t H5S__hyper_span_nblocks_helper(spans, op_info_i, op_gen)
H5S_hyper_span_info_t *spans; IN: Hyperslab span tree to count blocks of
+ unsigned op_info_i; IN: Index of op info to use
uint64_t op_gen; IN: Operation generation
RETURNS
Number of blocks in span tree on success; negative on failure
@@ -3328,7 +3336,8 @@ done:
REVISION LOG
--------------------------------------------------------------------------*/
static hsize_t
-H5S__hyper_span_nblocks_helper(H5S_hyper_span_info_t *spans, uint64_t op_gen)
+H5S__hyper_span_nblocks_helper(H5S_hyper_span_info_t *spans, unsigned op_info_i,
+ uint64_t op_gen)
{
hsize_t ret_value = 0; /* Return value */
@@ -3338,9 +3347,9 @@ H5S__hyper_span_nblocks_helper(H5S_hyper_span_info_t *spans, uint64_t op_gen)
HDassert(spans);
/* Check if the span tree was already counted */
- if(spans->op_gen == op_gen)
+ if(spans->op_info[op_info_i].op_gen == op_gen)
/* Just return the # of blocks in the already counted span tree */
- ret_value = spans->u.nblocks;
+ ret_value = spans->op_info[op_info_i].u.nblocks;
else { /* Count the number of elements in the span tree */
H5S_hyper_span_t *span; /* Hyperslab span */
@@ -3348,7 +3357,7 @@ H5S__hyper_span_nblocks_helper(H5S_hyper_span_info_t *spans, uint64_t op_gen)
if(span->down) {
while(span) {
/* If there are down spans, add the total down span blocks */
- ret_value += H5S__hyper_span_nblocks_helper(span->down, op_gen);
+ ret_value += H5S__hyper_span_nblocks_helper(span->down, op_info_i, op_gen);
/* Advance to next span */
span = span->next;
@@ -3365,10 +3374,10 @@ H5S__hyper_span_nblocks_helper(H5S_hyper_span_info_t *spans, uint64_t op_gen)
} /* end else */
/* Set the operation generation for this span tree, to avoid re-computing */
- spans->op_gen = op_gen;
+ spans->op_info[op_info_i].op_gen = op_gen;
/* Hold a copy of the # of blocks */
- spans->u.nblocks = ret_value;
+ spans->op_info[op_info_i].u.nblocks = ret_value;
} /* end else */
FUNC_LEAVE_NOAPI(ret_value)
@@ -3406,7 +3415,10 @@ H5S__hyper_span_nblocks(H5S_hyper_span_info_t *spans)
/* Acquire an operation generation value for this operation */
op_gen = H5S__hyper_get_op_gen();
- ret_value = H5S__hyper_span_nblocks_helper(spans, op_gen);
+ /* Count the blocks */
+ /* Always use op_info[0] since we own this op_info, so there can be no
+ * simultaneous operations */
+ ret_value = H5S__hyper_span_nblocks_helper(spans, 0, op_gen);
} /* end if */
FUNC_LEAVE_NOAPI(ret_value)
@@ -5946,7 +5958,7 @@ H5S__hyper_add_span_element_helper(H5S_hyper_span_info_t *span_tree,
/* Check if we've compared the 'stop' span's "down tree" to
* this span's "down tree" already.
*/
- if(tmp_span->down->op_gen != op_gen) {
+ if(tmp_span->down->op_info[0].op_gen != op_gen) {
if(H5S__hyper_cmp_spans(tmp_span->down, stop_span->down))
attempt_merge_spans = TRUE;
@@ -5954,7 +5966,7 @@ H5S__hyper_add_span_element_helper(H5S_hyper_span_info_t *span_tree,
/* (Because it wasn't the same as the 'stop' span's down tree
* and we don't need to compare it again)
*/
- tmp_span->down->op_gen = op_gen;
+ tmp_span->down->op_info[0].op_gen = op_gen;
} /* end if */
} /* end else */
@@ -6159,11 +6171,12 @@ done:
PURPOSE
Helper routine to detect intersections in span trees
USAGE
- hbool_t H5S__hyper_intersect_block_helper(spans, start, end)
+ hbool_t H5S__hyper_intersect_block_helper(spans, rank, start, end, op_info_i, op_gen)
H5S_hyper_span_info_t *spans; IN: First span tree to operate with
unsigned rank; IN: Number of dimensions for span tree
hsize_t *start; IN: Starting coordinate for block
hsize_t *end; IN: Ending coordinate for block
+ unsigned op_info_i; IN: Index of op info to use
uint64_t op_gen; IN: Operation generation
RETURN
Non-negative (TRUE/FALSE) on success, can't fail
@@ -6176,7 +6189,8 @@ done:
--------------------------------------------------------------------------*/
static hbool_t
H5S__hyper_intersect_block_helper(H5S_hyper_span_info_t *spans,
- unsigned rank, const hsize_t *start, const hsize_t *end, uint64_t op_gen)
+ unsigned rank, const hsize_t *start, const hsize_t *end, unsigned op_info_i,
+ uint64_t op_gen)
{
hbool_t ret_value = FALSE; /* Return value */
@@ -6188,7 +6202,7 @@ H5S__hyper_intersect_block_helper(H5S_hyper_span_info_t *spans,
HDassert(end);
/* Check if we've already visited this span tree */
- if(spans->op_gen != op_gen) {
+ if(spans->op_info[op_info_i].op_gen != op_gen) {
H5S_hyper_span_t *curr; /* Pointer to current span in 1st span tree */
unsigned u; /* Local index variable */
@@ -6221,7 +6235,7 @@ H5S__hyper_intersect_block_helper(H5S_hyper_span_info_t *spans,
/* If there is an intersection in the "down" dimensions,
* the span trees overlap.
*/
- if(H5S__hyper_intersect_block_helper(curr->down, rank - 1, start + 1, end + 1, op_gen))
+ if(H5S__hyper_intersect_block_helper(curr->down, rank - 1, start + 1, end + 1, op_info_i, op_gen))
HGOTO_DONE(TRUE)
/* No intersection in down dimensions, advance to next span */
@@ -6231,7 +6245,7 @@ H5S__hyper_intersect_block_helper(H5S_hyper_span_info_t *spans,
} /* end while */
/* Set the tree's operation generation */
- spans->op_gen = op_gen;
+ spans->op_info[op_info_i].op_gen = op_gen;
} /* end if */
/* Fall through with 'FALSE' return value */
@@ -6267,7 +6281,7 @@ H5S__hyper_intersect_block(const H5S_t *space, const hsize_t *start, const hsize
{
htri_t ret_value = FAIL; /* Return value */
- FUNC_ENTER_STATIC
+ FUNC_ENTER_STATIC_NOERR
/* Sanity check */
HDassert(space);
@@ -6363,7 +6377,9 @@ H5S__hyper_intersect_block(const H5S_t *space, const hsize_t *start, const hsize
op_gen = H5S__hyper_get_op_gen();
/* Perform the span-by-span intersection check */
- ret_value = H5S__hyper_intersect_block_helper(space->select.sel_info.hslab->span_lst, space->extent.rank, start, end, op_gen);
+ /* Always use op_info[0] since we own this op_info, so there can be no
+ * simultaneous operations */
+ ret_value = H5S__hyper_intersect_block_helper(space->select.sel_info.hslab->span_lst, space->extent.rank, start, end, 0, op_gen);
} /* end else */
done:
@@ -6377,10 +6393,11 @@ done:
PURPOSE
Helper routine to adjust offsets in span trees
USAGE
- void H5S__hyper_adjust_u_helper(spans, offset)
+ void H5S__hyper_adjust_u_helper(spans, rank, offset, op_info_i, op_gen)
H5S_hyper_span_info_t *spans; IN: Span tree to operate with
unsigned rank; IN: Number of dimensions for span tree
const hsize_t *offset; IN: Offset to subtract
+ unsigned op_info_i; IN: Index of op info to use
uint64_t op_gen; IN: Operation generation
RETURNS
None
@@ -6393,7 +6410,7 @@ done:
--------------------------------------------------------------------------*/
static void
H5S__hyper_adjust_u_helper(H5S_hyper_span_info_t *spans, unsigned rank,
- const hsize_t *offset, uint64_t op_gen)
+ const hsize_t *offset, unsigned op_info_i, uint64_t op_gen)
{
FUNC_ENTER_STATIC_NOERR
@@ -6402,7 +6419,7 @@ H5S__hyper_adjust_u_helper(H5S_hyper_span_info_t *spans, unsigned rank,
HDassert(offset);
/* Check if we've already set this span tree */
- if(spans->op_gen != op_gen) {
+ if(spans->op_info[op_info_i].op_gen != op_gen) {
H5S_hyper_span_t *span; /* Pointer to current span in span tree */
unsigned u; /* Local index variable */
@@ -6423,14 +6440,14 @@ H5S__hyper_adjust_u_helper(H5S_hyper_span_info_t *spans, unsigned rank,
/* Recursively adjust spans in next dimension down */
if(span->down != NULL)
- H5S__hyper_adjust_u_helper(span->down, rank - 1, offset + 1, op_gen);
+ H5S__hyper_adjust_u_helper(span->down, rank - 1, offset + 1, op_info_i, op_gen);
/* Advance to next span in this dimension */
span = span->next;
} /* end while */
/* Set the tree's operation generation */
- spans->op_gen = op_gen;
+ spans->op_info[op_info_i].op_gen = op_gen;
} /* end if */
FUNC_LEAVE_NOAPI_VOID
@@ -6487,7 +6504,10 @@ H5S__hyper_adjust_u(H5S_t *space, const hsize_t *offset)
/* Acquire an operation generation value for this operation */
op_gen = H5S__hyper_get_op_gen();
- H5S__hyper_adjust_u_helper(space->select.sel_info.hslab->span_lst, space->extent.rank, offset, op_gen);
+ /* Perform adjustment */
+ /* Always use op_info[0] since we own this op_info, so there can be no
+ * simultaneous operations */
+ H5S__hyper_adjust_u_helper(space->select.sel_info.hslab->span_lst, space->extent.rank, offset, 0, op_gen);
} /* end if */
FUNC_LEAVE_NOAPI(SUCCEED)
@@ -6897,10 +6917,11 @@ done:
PURPOSE
Helper routine to adjust offsets in span trees
USAGE
- void H5S__hyper_adjust_s_helper(spans, offset)
+ void H5S__hyper_adjust_s_helper(spans, rank, offset, op_info_i, op_gen)
H5S_hyper_span_info_t *spans; IN: Span tree to operate with
unsigned rank; IN: Number of dimensions for span tree
const hssize_t *offset; IN: Offset to subtract
+ unsigned op_info_i; IN: Index of op info to use
uint64_t op_gen; IN: Operation generation
RETURNS
None
@@ -6913,7 +6934,7 @@ done:
--------------------------------------------------------------------------*/
static void
H5S__hyper_adjust_s_helper(H5S_hyper_span_info_t *spans, unsigned rank,
- const hssize_t *offset, uint64_t op_gen)
+ const hssize_t *offset, unsigned op_info_i, uint64_t op_gen)
{
FUNC_ENTER_STATIC_NOERR
@@ -6922,7 +6943,7 @@ H5S__hyper_adjust_s_helper(H5S_hyper_span_info_t *spans, unsigned rank,
HDassert(offset);
/* Check if we've already set this span tree */
- if(spans->op_gen != op_gen) {
+ if(spans->op_info[op_info_i].op_gen != op_gen) {
H5S_hyper_span_t *span; /* Pointer to current span in span tree */
unsigned u; /* Local index variable */
@@ -6943,14 +6964,14 @@ H5S__hyper_adjust_s_helper(H5S_hyper_span_info_t *spans, unsigned rank,
/* Recursively adjust spans in next dimension down */
if(span->down != NULL)
- H5S__hyper_adjust_s_helper(span->down, rank - 1, offset + 1, op_gen);
+ H5S__hyper_adjust_s_helper(span->down, rank - 1, offset + 1, op_info_i, op_gen);
/* Advance to next span in this dimension */
span = span->next;
} /* end while */
/* Set the tree's operation generation */
- spans->op_gen = op_gen;
+ spans->op_info[op_info_i].op_gen = op_gen;
} /* end if */
FUNC_LEAVE_NOAPI_VOID
@@ -7018,7 +7039,10 @@ H5S_hyper_adjust_s(H5S_t *space, const hssize_t *offset)
/* Acquire an operation generation value for this operation */
op_gen = H5S__hyper_get_op_gen();
- H5S__hyper_adjust_s_helper(space->select.sel_info.hslab->span_lst, space->extent.rank, offset, op_gen);
+ /* Perform the adjustment */
+ /* Always use op_info[0] since we own this op_info, so there can be no
+ * simultaneous operations */
+ H5S__hyper_adjust_s_helper(space->select.sel_info.hslab->span_lst, space->extent.rank, offset, 0, op_gen);
} /* end if */
} /* end if */
@@ -8281,8 +8305,9 @@ done:
PURPOSE
Count the number of elements in a span tree
USAGE
- hsize_t H5S__hyper_spans_nelem_helper(spans, op_gen)
+ hsize_t H5S__hyper_spans_nelem_helper(spans, op_info_i, op_gen)
const H5S_hyper_span_info_t *spans; IN: Hyperslan span tree to count elements of
+ unsigned op_info_i; IN: Index of op info to use
uint64_t op_gen; IN: Operation generation
RETURNS
Number of elements in span tree on success; negative on failure
@@ -8294,7 +8319,8 @@ done:
REVISION LOG
--------------------------------------------------------------------------*/
static hsize_t
-H5S__hyper_spans_nelem_helper(H5S_hyper_span_info_t *spans, uint64_t op_gen)
+H5S__hyper_spans_nelem_helper(H5S_hyper_span_info_t *spans, unsigned op_info_i,
+ uint64_t op_gen)
{
hsize_t ret_value = 0; /* Return value */
@@ -8304,9 +8330,9 @@ H5S__hyper_spans_nelem_helper(H5S_hyper_span_info_t *spans, uint64_t op_gen)
HDassert(spans);
/* Check if the span tree was already counted */
- if(spans->op_gen == op_gen)
+ if(spans->op_info[op_info_i].op_gen == op_gen)
/* Just return the # of elements in the already counted span tree */
- ret_value = spans->u.nelmts;
+ ret_value = spans->op_info[op_info_i].u.nelmts;
else { /* Count the number of elements in the span tree */
const H5S_hyper_span_t *span; /* Hyperslab span */
@@ -8328,7 +8354,7 @@ H5S__hyper_spans_nelem_helper(H5S_hyper_span_info_t *spans, uint64_t op_gen)
nelmts = (span->high - span->low) + 1;
/* Multiply the size of this span by the total down span elements */
- ret_value += nelmts * H5S__hyper_spans_nelem_helper(span->down, op_gen);
+ ret_value += nelmts * H5S__hyper_spans_nelem_helper(span->down, op_info_i, op_gen);
/* Advance to next span */
span = span->next;
@@ -8336,10 +8362,10 @@ H5S__hyper_spans_nelem_helper(H5S_hyper_span_info_t *spans, uint64_t op_gen)
} /* end else */
/* Set the operation generation for this span tree, to avoid re-computing */
- spans->op_gen = op_gen;
+ spans->op_info[op_info_i].op_gen = op_gen;
/* Hold a copy of the # of elements */
- spans->u.nelmts = ret_value;
+ spans->op_info[op_info_i].u.nelmts = ret_value;
} /* end else */
FUNC_LEAVE_NOAPI(ret_value)
@@ -8378,7 +8404,9 @@ H5S__hyper_spans_nelem(H5S_hyper_span_info_t *spans)
op_gen = H5S__hyper_get_op_gen();
/* Count the number of elements in the span tree */
- ret_value = H5S__hyper_spans_nelem_helper(spans, op_gen);
+ /* Always use op_info[0] since we own this op_info, so there can be no
+ * simultaneous operations */
+ ret_value = H5S__hyper_spans_nelem_helper(spans, 0, op_gen);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5S__hyper_spans_nelem() */
@@ -8808,10 +8836,8 @@ H5S__hyper_update_diminfo(H5S_t *space, H5S_seloper_t op,
(It can be recovered with regular selection)
USAGE
herr_t H5S__hyper_rebuild_helper(space)
- const H5S_hyper_span_t *span; IN: Portion of span tree to check
- H5S_hyper_dim_t span_slab[]; OUT: Rebuilt section of hyperslab description
- unsigned rank; IN: Current dimension to work on
- uint64_t op_gen; IN: Operation generation
+ const H5S_hyper_span_t *spans; IN: Portion of span tree to check
+ H5S_hyper_dim_t span_slab_info[]; OUT: Rebuilt section of hyperslab description
RETURNS
TRUE/FALSE for hyperslab selection rebuilt
DESCRIPTION
@@ -10833,6 +10859,7 @@ done:
--------------------------------------------------------------------------*/
static herr_t
H5S__hyper_proj_int_build_proj(H5S_hyper_project_intersect_ud_t *udata) {
+ H5S_hyper_span_info_t *copied_span_info = NULL; /* Temporary span info pointer */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
@@ -10852,15 +10879,15 @@ H5S__hyper_proj_int_build_proj(H5S_hyper_project_intersect_ud_t *udata) {
/* If we will run out of elements to skip in this span,
* advance to the first not fully skipped span and break
* out of this loop (start moving downwards) */
- if(udata->skip < H5S__hyper_spans_nelem_helper(udata->ds_span[udata->depth]->down, udata->op_gen)
+ if(udata->skip < H5S__hyper_spans_nelem_helper(udata->ds_span[udata->depth]->down, 0, udata->op_gen)
* (udata->ds_span[udata->depth]->high - udata->ds_low[udata->depth] + 1)) {
- udata->ds_low[udata->depth] += udata->skip / udata->ds_span[udata->depth]->down->u.nelmts;
- udata->skip %= udata->ds_span[udata->depth]->down->u.nelmts;
+ udata->ds_low[udata->depth] += udata->skip / udata->ds_span[udata->depth]->down->op_info[0].u.nelmts;
+ udata->skip %= udata->ds_span[udata->depth]->down->op_info[0].u.nelmts;
break;
} /* end if */
/* Skip over this entire span */
- udata->skip -= udata->ds_span[udata->depth]->down->u.nelmts
+ udata->skip -= udata->ds_span[udata->depth]->down->op_info[0].u.nelmts
* (udata->ds_span[udata->depth]->high - udata->ds_low[udata->depth] + 1);
} /* end if */
} /* end if */
@@ -10919,15 +10946,15 @@ H5S__hyper_proj_int_build_proj(H5S_hyper_project_intersect_ud_t *udata) {
/* If we will run out of elements to skip in this span,
* advance to the first not fully skipped span and
* continue down */
- if(udata->skip < H5S__hyper_spans_nelem_helper(udata->ds_span[udata->depth]->down, udata->op_gen)
+ if(udata->skip < H5S__hyper_spans_nelem_helper(udata->ds_span[udata->depth]->down, 0, udata->op_gen)
* (udata->ds_span[udata->depth]->high - udata->ds_low[udata->depth] + 1)) {
- udata->ds_low[udata->depth] += udata->skip / udata->ds_span[udata->depth]->down->u.nelmts;
- udata->skip %= udata->ds_span[udata->depth]->down->u.nelmts;
+ udata->ds_low[udata->depth] += udata->skip / udata->ds_span[udata->depth]->down->op_info[0].u.nelmts;
+ udata->skip %= udata->ds_span[udata->depth]->down->op_info[0].u.nelmts;
break;
} /* end if */
/* Skip over this entire span */
- udata->skip -= udata->ds_span[udata->depth]->down->u.nelmts
+ udata->skip -= udata->ds_span[udata->depth]->down->op_info[0].u.nelmts
* (udata->ds_span[udata->depth]->high - udata->ds_low[udata->depth] + 1);
/* Advance to next span */
@@ -10972,27 +10999,59 @@ H5S__hyper_proj_int_build_proj(H5S_hyper_project_intersect_ud_t *udata) {
* any complete spans, advance to the first not fully added
* span, and break out of this loop (start moving downwards)
*/
- if(udata->nelem < H5S__hyper_spans_nelem_helper(udata->ds_span[udata->depth]->down, udata->op_gen)
+ if(udata->nelem < H5S__hyper_spans_nelem_helper(udata->ds_span[udata->depth]->down, 0, udata->op_gen)
* (udata->ds_span[udata->depth]->high - udata->ds_low[udata->depth] + 1)) {
- if(udata->nelem >= udata->ds_span[udata->depth]->down->u.nelmts) {
- if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
- udata->ds_rank - udata->depth, udata->ds_low[udata->depth],
- udata->ds_low[udata->depth] + (udata->nelem / udata->ds_span[udata->depth]->down->u.nelmts) - 1,
- udata->ds_span[udata->depth]->down) < 0)
- HGOTO_ERROR(H5E_DATASPACE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
- udata->ds_low[udata->depth] += udata->nelem / udata->ds_span[udata->depth]->down->u.nelmts;
- udata->nelem %= udata->ds_span[udata->depth]->down->u.nelmts;
+ if(udata->nelem >= udata->ds_span[udata->depth]->down->op_info[0].u.nelmts) {
+ if(udata->share_selection) {
+ if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
+ udata->ds_rank - udata->depth, udata->ds_low[udata->depth],
+ udata->ds_low[udata->depth] + (udata->nelem / udata->ds_span[udata->depth]->down->op_info[0].u.nelmts) - 1,
+ udata->ds_span[udata->depth]->down) < 0)
+ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
+ } /* end if */
+ else {
+ /* If we're not sharing the destination space's
+ * spans, we must copy it first (then release it
+ * afterwards) */
+ if(NULL == (copied_span_info = H5S__hyper_copy_span_helper(udata->ds_span[udata->depth]->down, udata->ds_rank - udata->depth, 1, udata->op_gen)))
+ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCOPY, FAIL, "can't copy destination spans")
+ if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
+ udata->ds_rank - udata->depth, udata->ds_low[udata->depth],
+ udata->ds_low[udata->depth] + (udata->nelem / udata->ds_span[udata->depth]->down->op_info[0].u.nelmts) - 1,
+ copied_span_info) < 0)
+ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
+ H5S__hyper_free_span_info(copied_span_info);
+ copied_span_info = NULL;
+ } /* end else */
+ udata->ds_low[udata->depth] += udata->nelem / udata->ds_span[udata->depth]->down->op_info[0].u.nelmts;
+ udata->nelem %= udata->ds_span[udata->depth]->down->op_info[0].u.nelmts;
} /* end if */
break;
} /* end if */
/* Append span tree for entire span */
- if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
+ if(udata->share_selection) {
+ if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
udata->ds_rank - udata->depth, udata->ds_low[udata->depth],
udata->ds_span[udata->depth]->high,
udata->ds_span[udata->depth]->down) < 0)
HGOTO_ERROR(H5E_DATASPACE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
- udata->nelem -= udata->ds_span[udata->depth]->down->u.nelmts
+ } /* end if */
+ else {
+ /* If we're not sharing the destination space's
+ * spans, we must copy it first (then release it
+ * afterwards) */
+ if(NULL == (copied_span_info = H5S__hyper_copy_span_helper(udata->ds_span[udata->depth]->down, udata->ds_rank - udata->depth, 1, udata->op_gen)))
+ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCOPY, FAIL, "can't copy destination spans")
+ if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
+ udata->ds_rank - udata->depth, udata->ds_low[udata->depth],
+ udata->ds_span[udata->depth]->high,
+ copied_span_info) < 0)
+ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
+ H5S__hyper_free_span_info(copied_span_info);
+ copied_span_info = NULL;
+ } /* end else */
+ udata->nelem -= udata->ds_span[udata->depth]->down->op_info[0].u.nelmts
* (udata->ds_span[udata->depth]->high - udata->ds_low[udata->depth] + 1);
} /* end if */
} /* end if */
@@ -11063,27 +11122,59 @@ H5S__hyper_proj_int_build_proj(H5S_hyper_project_intersect_ud_t *udata) {
* span and continue down
*/
HDassert(udata->ds_low[udata->depth] <= udata->ds_span[udata->depth]->high);
- if(udata->nelem < H5S__hyper_spans_nelem_helper(udata->ds_span[udata->depth]->down, udata->op_gen)
+ if(udata->nelem < H5S__hyper_spans_nelem_helper(udata->ds_span[udata->depth]->down, 0, udata->op_gen)
* (udata->ds_span[udata->depth]->high - udata->ds_low[udata->depth] + 1)) {
- if(udata->nelem >= udata->ds_span[udata->depth]->down->u.nelmts) {
- if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
- udata->ds_rank - udata->depth, udata->ds_low[udata->depth],
- udata->ds_low[udata->depth] + (udata->nelem / udata->ds_span[udata->depth]->down->u.nelmts) - 1,
- udata->ds_span[udata->depth]->down) < 0)
- HGOTO_ERROR(H5E_DATASPACE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
- udata->ds_low[udata->depth] += udata->nelem / udata->ds_span[udata->depth]->down->u.nelmts;
- udata->nelem %= udata->ds_span[udata->depth]->down->u.nelmts;
+ if(udata->nelem >= udata->ds_span[udata->depth]->down->op_info[0].u.nelmts) {
+ if(udata->share_selection) {
+ if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
+ udata->ds_rank - udata->depth, udata->ds_low[udata->depth],
+ udata->ds_low[udata->depth] + (udata->nelem / udata->ds_span[udata->depth]->down->op_info[0].u.nelmts) - 1,
+ udata->ds_span[udata->depth]->down) < 0)
+ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
+ } /* end if */
+ else {
+ /* If we're not sharing the destination space's
+ * spans, we must copy it first (then release it
+ * afterwards) */
+ if(NULL == (copied_span_info = H5S__hyper_copy_span_helper(udata->ds_span[udata->depth]->down, udata->ds_rank - udata->depth, 1, udata->op_gen)))
+ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCOPY, FAIL, "can't copy destination spans")
+ if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
+ udata->ds_rank - udata->depth, udata->ds_low[udata->depth],
+ udata->ds_low[udata->depth] + (udata->nelem / udata->ds_span[udata->depth]->down->op_info[0].u.nelmts) - 1,
+ copied_span_info) < 0)
+ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
+ H5S__hyper_free_span_info(copied_span_info);
+ copied_span_info = NULL;
+ } /* end else */
+ udata->ds_low[udata->depth] += udata->nelem / udata->ds_span[udata->depth]->down->op_info[0].u.nelmts;
+ udata->nelem %= udata->ds_span[udata->depth]->down->op_info[0].u.nelmts;
} /* end if */
break;
} /* end if */
/* Append span tree for entire span */
- if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
+ if(udata->share_selection) {
+ if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
udata->ds_rank - udata->depth, udata->ds_low[udata->depth],
udata->ds_span[udata->depth]->high,
udata->ds_span[udata->depth]->down) < 0)
HGOTO_ERROR(H5E_DATASPACE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
- udata->nelem -= udata->ds_span[udata->depth]->down->u.nelmts
+ } /* end if */
+ else {
+ /* If we're not sharing the destination space's
+ * spans, we must copy it first (then release it
+ * afterwards) */
+ if(NULL == (copied_span_info = H5S__hyper_copy_span_helper(udata->ds_span[udata->depth]->down, udata->ds_rank - udata->depth, 1, udata->op_gen)))
+ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCOPY, FAIL, "can't copy destination spans")
+ if(H5S__hyper_append_span(&udata->ps_span_info[udata->depth],
+ udata->ds_rank - udata->depth, udata->ds_low[udata->depth],
+ udata->ds_span[udata->depth]->high,
+ copied_span_info) < 0)
+ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
+ H5S__hyper_free_span_info(copied_span_info);
+ copied_span_info = NULL;
+ } /* end else */
+ udata->nelem -= udata->ds_span[udata->depth]->down->op_info[0].u.nelmts
* (udata->ds_span[udata->depth]->high - udata->ds_low[udata->depth] + 1);
/* Advance to next span */
@@ -11128,6 +11219,13 @@ H5S__hyper_proj_int_build_proj(H5S_hyper_project_intersect_ud_t *udata) {
udata->ps_clean_bitmap = 0;
done:
+ /* Cleanup on failure */
+ if(copied_span_info) {
+ HDassert(ret_value < 0);
+ H5S__hyper_free_span_info(copied_span_info);
+ copied_span_info = NULL;
+ } /* end if */
+
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5S__hyper_proj_int_build_proj() */
@@ -11217,7 +11315,7 @@ H5S__hyper_proj_int_iterate(const H5S_hyper_span_info_t *ss_span_info,
/* Add skipped elements if there's a pre-gap */
if(ss_low < sis_low) {
low = sis_low;
- H5S_HYPER_PROJ_INT_ADD_SKIP(udata, H5S__hyper_spans_nelem_helper(ss_span->down, udata->op_gen) * (sis_low - ss_low), FAIL);
+ H5S_HYPER_PROJ_INT_ADD_SKIP(udata, H5S__hyper_spans_nelem_helper(ss_span->down, 0, udata->op_gen) * (sis_low - ss_low), FAIL);
} /* end if */
else
low = ss_low;
@@ -11273,7 +11371,7 @@ H5S__hyper_proj_int_iterate(const H5S_hyper_span_info_t *ss_span_info,
if(ss_span->high < sis_low) {
/* Add skipped elements */
if(ss_span->down)
- H5S_HYPER_PROJ_INT_ADD_SKIP(udata, H5S__hyper_spans_nelem_helper(ss_span->down, udata->op_gen) * (ss_span->high - ss_low + 1), FAIL);
+ H5S_HYPER_PROJ_INT_ADD_SKIP(udata, H5S__hyper_spans_nelem_helper(ss_span->down, 0, udata->op_gen) * (ss_span->high - ss_low + 1), FAIL);
else
H5S_HYPER_PROJ_INT_ADD_SKIP(udata, ss_span->high - ss_low + 1, FAIL);
@@ -11295,10 +11393,10 @@ H5S__hyper_proj_int_iterate(const H5S_hyper_span_info_t *ss_span_info,
if(ss_span && !((depth == 0) && (u == count - 1))) {
/* Count remaining elements in ss_span_info */
if(ss_span->down) {
- H5S_HYPER_PROJ_INT_ADD_SKIP(udata, H5S__hyper_spans_nelem_helper(ss_span->down, udata->op_gen) * (ss_span->high - ss_low + 1), FAIL);
+ H5S_HYPER_PROJ_INT_ADD_SKIP(udata, H5S__hyper_spans_nelem_helper(ss_span->down, 0, udata->op_gen) * (ss_span->high - ss_low + 1), FAIL);
ss_span = ss_span->next;
while(ss_span) {
- H5S_HYPER_PROJ_INT_ADD_SKIP(udata, H5S__hyper_spans_nelem_helper(ss_span->down, udata->op_gen) * (ss_span->high - ss_span->low + 1), FAIL);
+ H5S_HYPER_PROJ_INT_ADD_SKIP(udata, H5S__hyper_spans_nelem_helper(ss_span->down, 0, udata->op_gen) * (ss_span->high - ss_span->low + 1), FAIL);
ss_span = ss_span->next;
} /* end while */
} /* end if */
@@ -11356,7 +11454,7 @@ H5S__hyper_proj_int_iterate(const H5S_hyper_span_info_t *ss_span_info,
} /* end if */
else if(depth > 0)
/* Just count skipped elements */
- H5S_HYPER_PROJ_INT_ADD_SKIP(udata, H5S__hyper_spans_nelem_helper((H5S_hyper_span_info_t *)ss_span_info, udata->op_gen) * count, FAIL); /* Casting away const OK -NAF */
+ H5S_HYPER_PROJ_INT_ADD_SKIP(udata, H5S__hyper_spans_nelem_helper((H5S_hyper_span_info_t *)ss_span_info, 0, udata->op_gen) * count, FAIL); /* Casting away const OK -NAF */
/* Clean up if we are done */
if(depth == 0) {
@@ -11391,11 +11489,12 @@ done:
src_intersect_space within the selection of src_space as a selection
within the selection of dst_space
USAGE
- herr_t H5S__hyper_project_intersection(src_space,dst_space,src_intersect_space,proj_space)
+ herr_t H5S__hyper_project_intersection(src_space,dst_space,src_intersect_space,proj_space,share_selection)
H5S_t *src_space; IN: Selection that is mapped to dst_space, and intersected with src_intersect_space
H5S_t *dst_space; IN: Selection that is mapped to src_space, and which contains the result
H5S_t *src_intersect_space; IN: Selection whose intersection with src_space is projected to dst_space to obtain the result
H5S_t *proj_space; OUT: Will contain the result (intersection of src_intersect_space and src_space projected from src_space to dst_space) after the operation
+ hbool_t share_selection; IN: Whether we are allowed to share structures inside dst_space with proj_space
RETURNS
Non-negative on success/Negative on failure.
DESCRIPTION
@@ -11414,7 +11513,8 @@ done:
--------------------------------------------------------------------------*/
herr_t
H5S__hyper_project_intersection(const H5S_t *src_space, const H5S_t *dst_space,
- const H5S_t *src_intersect_space, H5S_t *proj_space)
+ const H5S_t *src_intersect_space, H5S_t *proj_space,
+ hbool_t share_selection)
{
H5S_hyper_project_intersect_ud_t udata; /* User data for subroutines */
const H5S_hyper_span_info_t *ss_span_info;
@@ -11485,12 +11585,14 @@ H5S__hyper_project_intersection(const H5S_t *src_space, const H5S_t *dst_space,
HGOTO_ERROR(H5E_DATASPACE, H5E_UNINITIALIZED, FAIL, "can't construct span tree for source intersect hyperslab selection")
/* Initialize udata */
+ /* We will use op_info[0] for nelem and op_info[1] for copied spans */
HDmemset(&udata, 0, sizeof(udata));
udata.ds_span[0] = ds_span_info->head;
udata.ds_low[0] = udata.ds_span[0]->low;
udata.ss_rank = H5S_GET_EXTENT_NDIMS(src_space);
udata.ds_rank = H5S_GET_EXTENT_NDIMS(dst_space);
udata.op_gen = H5S__hyper_get_op_gen();
+ udata.share_selection = share_selection;
/* Iterate over selections and build projected span tree */
if(H5S__hyper_proj_int_iterate(ss_span_info, src_intersect_space->select.sel_info.hslab->span_lst, 1, 0, &udata) < 0)
diff --git a/src/H5Smpio.c b/src/H5Smpio.c
index f605a8a..800913f 100644
--- a/src/H5Smpio.c
+++ b/src/H5Smpio.c
@@ -86,7 +86,7 @@ static herr_t H5S__mpio_span_hyper_type(const H5S_t *space, size_t elmt_size,
static herr_t H5S__release_datatype(H5S_mpio_mpitype_list_t *type_list);
static herr_t H5S__obtain_datatype(H5S_hyper_span_info_t *spans, const hsize_t *down,
size_t elmt_size, const MPI_Datatype *elmt_type, MPI_Datatype *span_type,
- H5S_mpio_mpitype_list_t *type_list, uint64_t op_gen);
+ H5S_mpio_mpitype_list_t *type_list, unsigned op_info_i, uint64_t op_gen);
/*****************************/
@@ -1007,8 +1007,10 @@ H5S__mpio_span_hyper_type(const H5S_t *space, size_t elmt_size,
op_gen = H5S__hyper_get_op_gen();
/* Obtain derived MPI data type */
+ /* Always use op_info[0] since we own this op_info, so there can be no
+ * simultaneous operations */
type_list.head = type_list.tail = NULL;
- if(H5S__obtain_datatype(space->select.sel_info.hslab->span_lst, down, elmt_size, &elmt_type, &span_type, &type_list, op_gen) < 0)
+ if(H5S__obtain_datatype(space->select.sel_info.hslab->span_lst, down, elmt_size, &elmt_type, &span_type, &type_list, 0, op_gen) < 0)
HGOTO_ERROR(H5E_DATASPACE, H5E_BADTYPE, FAIL, "couldn't obtain MPI derived data type")
if(MPI_SUCCESS != (mpi_code = MPI_Type_dup(span_type, new_type)))
HMPI_GOTO_ERROR(FAIL, "MPI_Type_commit failed", mpi_code)
@@ -1096,7 +1098,7 @@ done:
static herr_t
H5S__obtain_datatype(H5S_hyper_span_info_t *spans, const hsize_t *down,
size_t elmt_size, const MPI_Datatype *elmt_type, MPI_Datatype *span_type,
- H5S_mpio_mpitype_list_t *type_list, uint64_t op_gen)
+ H5S_mpio_mpitype_list_t *type_list, unsigned op_info_i, uint64_t op_gen)
{
H5S_hyper_span_t *span; /* Hyperslab span to iterate with */
hsize_t bigio_count; /* Transition point to create derived type */
@@ -1119,7 +1121,7 @@ H5S__obtain_datatype(H5S_hyper_span_info_t *spans, const hsize_t *down,
bigio_count = H5_mpi_get_bigio_count();
/* Check if we've visited this span tree before */
- if(spans->op_gen != op_gen) {
+ if(spans->op_info[op_info_i].op_gen != op_gen) {
H5S_mpio_mpitype_node_t *type_node; /* Pointer to new node in MPI data type list */
/* Allocate the initial displacement & block length buffers */
@@ -1172,7 +1174,7 @@ H5S__obtain_datatype(H5S_hyper_span_info_t *spans, const hsize_t *down,
/* Everything fits into integers, so cast them and use hindexed */
if(bigio_count >= outercount && large_block == FALSE) {
- if(MPI_SUCCESS != (mpi_code = MPI_Type_create_hindexed((int)outercount, blocklen, disp, *elmt_type, &spans->u.down_type)))
+ if(MPI_SUCCESS != (mpi_code = MPI_Type_create_hindexed((int)outercount, blocklen, disp, *elmt_type, &spans->op_info[op_info_i].u.down_type)))
HMPI_GOTO_ERROR(FAIL, "MPI_Type_create_hindexed failed", mpi_code)
} /* end if */
else { /* LARGE_DATATYPE:: Something doesn't fit into a 32 bit integer */
@@ -1190,17 +1192,17 @@ H5S__obtain_datatype(H5S_hyper_span_info_t *spans, const hsize_t *down,
/* Combine the current datatype that is created with this current block type */
if(0 == u) /* first iteration, there is no combined datatype yet */
- spans->u.down_type = temp_type;
+ spans->op_info[op_info_i].u.down_type = temp_type;
else {
int bl[2] = {1, 1};
MPI_Aint ds[2] = {disp[u - 1], disp[u]};
- MPI_Datatype dt[2] = {spans->u.down_type, temp_type};
+ MPI_Datatype dt[2] = {spans->op_info[op_info_i].u.down_type, temp_type};
if(MPI_SUCCESS != (mpi_code = MPI_Type_create_struct(2, /* count */
bl, /* blocklength */
ds, /* stride in bytes*/
dt, /* old type */
- &spans->u.down_type))) /* new type */
+ &spans->op_info[op_info_i].u.down_type))) /* new type */
HMPI_GOTO_ERROR(FAIL, "MPI_Type_create_struct failed", mpi_code)
/* Release previous temporary datatype */
@@ -1253,7 +1255,7 @@ H5S__obtain_datatype(H5S_hyper_span_info_t *spans, const hsize_t *down,
blocklen[outercount] = 1;
/* Generate MPI datatype for next dimension down */
- if(H5S__obtain_datatype(span->down, down + 1, elmt_size, elmt_type, &down_type, type_list, op_gen) < 0)
+ if(H5S__obtain_datatype(span->down, down + 1, elmt_size, elmt_type, &down_type, type_list, op_info_i, op_gen) < 0)
HGOTO_ERROR(H5E_DATASPACE, H5E_BADTYPE, FAIL, "couldn't obtain MPI derived data type")
/* Compute the number of elements to attempt in this span */
@@ -1270,7 +1272,7 @@ H5S__obtain_datatype(H5S_hyper_span_info_t *spans, const hsize_t *down,
/* Building the whole vector datatype */
H5_CHECK_OVERFLOW(outercount, size_t, int)
- if(MPI_SUCCESS != (mpi_code = MPI_Type_create_struct((int)outercount, blocklen, disp, inner_type, &spans->u.down_type)))
+ if(MPI_SUCCESS != (mpi_code = MPI_Type_create_struct((int)outercount, blocklen, disp, inner_type, &spans->op_info[op_info_i].u.down_type)))
HMPI_GOTO_ERROR(FAIL, "MPI_Type_create_struct failed", mpi_code)
/* Release inner node types */
@@ -1285,7 +1287,7 @@ H5S__obtain_datatype(H5S_hyper_span_info_t *spans, const hsize_t *down,
HGOTO_ERROR(H5E_DATASPACE, H5E_CANTALLOC, FAIL, "can't allocate MPI data type list node")
/* Set up MPI type node */
- type_node->type = spans->u.down_type;
+ type_node->type = spans->op_info[op_info_i].u.down_type;
type_node->next = NULL;
/* Add MPI type node to list */
@@ -1297,11 +1299,11 @@ H5S__obtain_datatype(H5S_hyper_span_info_t *spans, const hsize_t *down,
} /* end else */
/* Remember that we've visited this span tree */
- spans->op_gen = op_gen;
+ spans->op_info[op_info_i].op_gen = op_gen;
} /* end else */
/* Return MPI data type for span tree */
- *span_type = spans->u.down_type;
+ *span_type = spans->op_info[op_info_i].u.down_type;
done:
/* General cleanup */
diff --git a/src/H5Spkg.h b/src/H5Spkg.h
index 278f08d..6809643 100644
--- a/src/H5Spkg.h
+++ b/src/H5Spkg.h
@@ -147,6 +147,21 @@ struct H5S_hyper_span_t {
struct H5S_hyper_span_t *next; /* Pointer to next span in list */
};
+/* "Operation info" struct. Used to hold temporary information during copies,
+ * 'adjust', 'nelem', and 'rebuild' operations, and higher level algorithms that
+ * generate this information. */
+typedef struct H5S_hyper_op_info_t {
+ uint64_t op_gen; /* Generation of the scratch info */
+ union {
+ struct H5S_hyper_span_info_t *copied; /* Pointer to already copied span tree */
+ hsize_t nelmts; /* # of elements */
+ hsize_t nblocks; /* # of blocks */
+#ifdef H5_HAVE_PARALLEL
+ MPI_Datatype down_type; /* MPI datatype for span tree */
+#endif /* H5_HAVE_PARALLEL */
+ }u;
+} H5S_hyper_op_info_t;
+
/* Information about a list of hyperslab spans in one dimension (typedef'd in H5Sprivate.h) */
struct H5S_hyper_span_info_t {
unsigned count; /* Ref. count of number of spans which share this span */
@@ -165,17 +180,10 @@ struct H5S_hyper_span_info_t {
hsize_t *low_bounds; /* The smallest element selected in each dimension */
hsize_t *high_bounds; /* The largest element selected in each dimension */
- /* "Operation generation" fields */
+ /* "Operation info" fields */
/* (Used during copies, 'adjust', 'nelem', and 'rebuild' operations) */
- uint64_t op_gen; /* Generation of the scratch info */
- union {
- struct H5S_hyper_span_info_t *copied; /* Pointer to already copied span tree */
- hsize_t nelmts; /* # of elements */
- hsize_t nblocks; /* # of blocks */
-#ifdef H5_HAVE_PARALLEL
- MPI_Datatype down_type; /* MPI datatype for span tree */
-#endif /* H5_HAVE_PARALLEL */
- }u;
+ /* Currently the maximum number of simultaneous operations is 2 */
+ H5S_hyper_op_info_t op_info[2];
struct H5S_hyper_span_t *head; /* Pointer to the first span of list of spans in the current dimension */
struct H5S_hyper_span_t *tail; /* Pointer to the last span of list of spans in the current dimension */
@@ -377,7 +385,8 @@ H5_DLL uint64_t H5S__hyper_get_op_gen(void);
H5_DLL void H5S__hyper_rebuild(H5S_t *space);
H5_DLL herr_t H5S__modify_select(H5S_t *space1, H5S_seloper_t op, H5S_t *space2);
H5_DLL herr_t H5S__hyper_project_intersection(const H5S_t *src_space,
- const H5S_t *dst_space, const H5S_t *src_intersect_space, H5S_t *proj_space);
+ const H5S_t *dst_space, const H5S_t *src_intersect_space, H5S_t *proj_space,
+ hbool_t share_space);
/* Testing functions */
#ifdef H5S_TESTING
diff --git a/src/H5Sprivate.h b/src/H5Sprivate.h
index 3d68de0..41c8b95 100644
--- a/src/H5Sprivate.h
+++ b/src/H5Sprivate.h
@@ -261,7 +261,7 @@ H5_DLL herr_t H5S_select_project_scalar(const H5S_t *space, hsize_t *offset);
H5_DLL herr_t H5S_select_project_simple(const H5S_t *space, H5S_t *new_space, hsize_t *offset);
H5_DLL herr_t H5S_select_project_intersection(const H5S_t *src_space,
const H5S_t *dst_space, const H5S_t *src_intersect_space,
- H5S_t **new_space_ptr);
+ H5S_t **new_space_ptr, hbool_t share_space);
H5_DLL herr_t H5S_select_subtract(H5S_t *space, H5S_t *subtract_space);
/* Operations on all selections */
diff --git a/src/H5Spublic.h b/src/H5Spublic.h
index a04f3c1..263a880 100644
--- a/src/H5Spublic.h
+++ b/src/H5Spublic.h
@@ -172,6 +172,8 @@ H5_DLL hssize_t H5Sget_select_hyper_nblocks(hid_t spaceid);
H5_DLL herr_t H5Sget_select_hyper_blocklist(hid_t spaceid, hsize_t startblock,
hsize_t numblocks, hsize_t buf[/*numblocks*/]);
H5_DLL herr_t H5Shyper_adjust_s(hid_t space_id, const hssize_t *offset);
+H5_DLL hid_t H5Sselect_project_intersection(hid_t src_space_id,
+ hid_t dst_space_id, hid_t src_intersect_space_id);
/* Operations on dataspace selection iterators */
H5_DLL hid_t H5Ssel_iter_create(hid_t spaceid, size_t elmt_size, unsigned flags);
diff --git a/src/H5Sselect.c b/src/H5Sselect.c
index 1a13f2c..65a66cb 100644
--- a/src/H5Sselect.c
+++ b/src/H5Sselect.c
@@ -2533,11 +2533,12 @@ done:
within the selection of dst_space
USAGE
- herr_t H5S_select_project_intersection(src_space,dst_space,src_intersect_space,proj_space)
+ herr_t H5S_select_project_intersection(src_space,dst_space,src_intersect_space,proj_space,share_selection)
H5S_t *src_space; IN: Selection that is mapped to dst_space, and intersected with src_intersect_space
- H5S_t *dst_space; IN: Selection that is mapped to src_space, and which contains the result
+ H5S_t *dst_space; IN: Selection that is mapped to src_space
H5S_t *src_intersect_space; IN: Selection whose intersection with src_space is projected to dst_space to obtain the result
H5S_t **new_space_ptr; OUT: Will contain the result (intersection of src_intersect_space and src_space projected from src_space to dst_space) after the operation
+ hbool_t share_selection; IN: Whether we are allowed to share structures inside dst_space with proj_space
RETURNS
Non-negative on success/Negative on failure.
@@ -2555,7 +2556,8 @@ done:
--------------------------------------------------------------------------*/
herr_t
H5S_select_project_intersection(const H5S_t *src_space, const H5S_t *dst_space,
- const H5S_t *src_intersect_space, H5S_t **new_space_ptr)
+ const H5S_t *src_intersect_space, H5S_t **new_space_ptr,
+ hbool_t share_selection)
{
H5S_t *new_space = NULL; /* New dataspace constructed */
herr_t ret_value = SUCCEED; /* Return value */
@@ -2602,8 +2604,8 @@ H5S_select_project_intersection(const H5S_t *src_space, const H5S_t *dst_space,
/* Intersecting space is hyperslab selection. Call the hyperslab
* routine to project to another hyperslab selection. */
- if(H5S__hyper_project_intersection(src_space, dst_space, src_intersect_space, new_space) < 0)
- HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCLIP, FAIL, "can't project hyperslab ondot destination selection")
+ if(H5S__hyper_project_intersection(src_space, dst_space, src_intersect_space, new_space, share_selection) < 0)
+ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCLIP, FAIL, "can't project hyperslab onto destination selection")
} /* end else */
/* load the address of the new space into *new_space_ptr */
@@ -2621,6 +2623,75 @@ done:
/*--------------------------------------------------------------------------
NAME
+ H5Sselect_project_intersection
+
+ PURPOSE
+ Projects the intersection of of the selections of src_space_id and
+ src_intersect_space_id within the selection of src_space_id as a
+ selection within the selection of dst_space_id. Currently does not
+ support point selections.
+
+ USAGE
+ hid_t H5Sselect_project_intersection(src_space_id,dst_space_d,src_intersect_space_id)
+ hid_t src_space_id; IN: Selection that is mapped to dst_space_id, and intersected with src_intersect_space_id
+ hid_t dst_space_id; IN: Selection that is mapped to src_space_id
+ hid_t src_intersect_space_id; IN: Selection whose intersection with src_space_id is projected to dst_space_id to obtain the result
+
+ RETURNS
+ A dataspace with a selection equal to the intersection of
+ src_intersect_space_id and src_space_id projected from src_space to
+ dst_space on success, negative on failure.
+
+ DESCRIPTION
+ Projects the intersection of of the selections of src_space and
+ src_intersect_space within the selection of src_space as a selection
+ within the selection of dst_space. The result is placed in the
+ selection of new_space_ptr.
+
+ GLOBAL VARIABLES
+ COMMENTS, BUGS, ASSUMPTIONS
+ EXAMPLES
+ REVISION LOG
+--------------------------------------------------------------------------*/
+hid_t
+H5Sselect_project_intersection(hid_t src_space_id, hid_t dst_space_id,
+ hid_t src_intersect_space_id)
+{
+ H5S_t *src_space, *dst_space, *src_intersect_space; /* Input dataspaces */
+ H5S_t *proj_space = NULL; /* Output dataspace */
+ hid_t ret_value; /* Return value */
+
+ FUNC_ENTER_API(FAIL)
+ H5TRACE3("i", "iii", src_space_id, dst_space_id, src_intersect_space_id);
+
+ /* Check args */
+ if(NULL == (src_space = (H5S_t *)H5I_object_verify(src_space_id, H5I_DATASPACE)))
+ HGOTO_ERROR(H5E_DATASPACE, H5E_BADTYPE, FAIL, "not a dataspace")
+ if(NULL == (dst_space = (H5S_t *)H5I_object_verify(dst_space_id, H5I_DATASPACE)))
+ HGOTO_ERROR(H5E_DATASPACE, H5E_BADTYPE, FAIL, "not a dataspace")
+ if(NULL == (src_intersect_space = (H5S_t *)H5I_object_verify(src_intersect_space_id, H5I_DATASPACE)))
+ HGOTO_ERROR(H5E_DATASPACE, H5E_BADTYPE, FAIL, "not a dataspace")
+
+ /* Perform operation */
+ if(H5S_select_project_intersection(src_space, dst_space,
+ src_intersect_space, &proj_space, FALSE) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "can't project dataspace intersection")
+
+ /* Atomize */
+ if((ret_value = H5I_register(H5I_DATASPACE, proj_space, TRUE)) < 0)
+ HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register dataspace atom")
+
+done:
+ if(ret_value < 0)
+ if(proj_space && H5S_close(proj_space) < 0)
+ HDONE_ERROR(H5E_DATASPACE, H5E_CANTRELEASE, FAIL, "unable to release dataspace")
+
+ FUNC_LEAVE_API(ret_value)
+} /* end H5Sselect_project_intersection() */
+
+
+/*--------------------------------------------------------------------------
+ NAME
H5S_select_subtract
PURPOSE