summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/H5Dchunk.c40
-rw-r--r--src/H5Dcompact.c1
-rw-r--r--src/H5Dcontig.c25
-rw-r--r--src/H5Defl.c1
-rw-r--r--src/H5Dint.c3
-rw-r--r--src/H5Dio.c4
-rw-r--r--src/H5Dpkg.h9
-rw-r--r--src/H5Dvirtual.c50
-rw-r--r--src/H5Olayout.c6
9 files changed, 130 insertions, 9 deletions
diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c
index dcd3a8d..27a6125 100644
--- a/src/H5Dchunk.c
+++ b/src/H5Dchunk.c
@@ -313,6 +313,7 @@ const H5D_layout_ops_t H5D_LOPS_CHUNK[1] = {{
H5D__chunk_construct,
H5D__chunk_init,
H5D__chunk_is_space_alloc,
+ H5D__chunk_is_data_cached,
H5D__chunk_io_init,
H5D__chunk_read,
H5D__chunk_write,
@@ -340,6 +341,7 @@ const H5D_layout_ops_t H5D_LOPS_NONEXISTENT[1] = {{
NULL,
NULL,
NULL,
+ NULL,
#ifdef H5_HAVE_PARALLEL
NULL,
NULL,
@@ -394,10 +396,13 @@ H5D__chunk_direct_write(const H5D_t *dset, uint32_t filters, hsize_t *offset,
FUNC_ENTER_PACKAGE_TAG(dset->oloc.addr)
+ /* Sanity checks */
+ HDassert(layout->type == H5D_CHUNKED);
+
io_info.dset = dset;
/* Allocate dataspace and initialize it if it hasn't been. */
- if(!(*layout->ops->is_space_alloc)(&layout->storage))
+ if(!H5D__chunk_is_space_alloc(&layout->storage))
/* Allocate storage */
if(H5D__alloc_storage(&io_info, H5D_ALLOC_WRITE, FALSE, NULL) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to initialize storage")
@@ -435,13 +440,17 @@ H5D__chunk_direct_write(const H5D_t *dset, uint32_t filters, hsize_t *offset,
if(0 == idx_info.pline->nused && H5F_addr_defined(old_chunk.offset))
/* If there are no filters and we are overwriting the chunk we can just set values */
need_insert = FALSE;
- else
+ else {
/* Otherwise, create the chunk it if it doesn't exist, or reallocate the chunk
* if its size has changed.
*/
if(H5D__chunk_file_alloc(&idx_info, &old_chunk, &udata.chunk_block, &need_insert, scaled) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "unable to allocate chunk")
+ /* Cache the new chunk information */
+ H5D__chunk_cinfo_cache_update(&dset->shared->cache.chunk.last, &udata);
+ } /* end else */
+
/* Make sure the address of the chunk is returned. */
if(!H5F_addr_defined(udata.chunk_block.offset))
HGOTO_ERROR(H5E_DATASET, H5E_BADVALUE, FAIL, "chunk address isn't defined")
@@ -506,7 +515,8 @@ H5D__chunk_direct_read(const H5D_t *dset, hsize_t *offset, uint32_t* filters,
*filters = 0;
/* Allocate dataspace and initialize it if it hasn't been. */
- if(!(*layout->ops->is_space_alloc)(&layout->storage))
+ if(!H5D__chunk_is_space_alloc(&layout->storage)
+ && !H5D__chunk_is_data_cached(dset->shared))
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "storage is not initialized")
/* Calculate the index of this chunk */
@@ -1019,6 +1029,30 @@ H5D__chunk_is_space_alloc(const H5O_storage_t *storage)
/*-------------------------------------------------------------------------
+ * Function: H5D__chunk_is_data_cached
+ *
+ * Purpose: Query if raw data is cached for dataset
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Neil Fortner
+ * Wednessday, March 6, 2016
+ *
+ *-------------------------------------------------------------------------
+ */
+hbool_t
+H5D__chunk_is_data_cached(const H5D_shared_t *shared_dset)
+{
+ FUNC_ENTER_PACKAGE_NOERR
+
+ /* Sanity checks */
+ HDassert(shared_dset);
+
+ FUNC_LEAVE_NOAPI(shared_dset->cache.chunk.nused > 0)
+} /* end H5D__chunk_is_data_cached() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5D__chunk_io_init
*
* Purpose: Performs initialization before any sort of I/O on the raw data
diff --git a/src/H5Dcompact.c b/src/H5Dcompact.c
index c0c2a80..651aaf4 100644
--- a/src/H5Dcompact.c
+++ b/src/H5Dcompact.c
@@ -80,6 +80,7 @@ const H5D_layout_ops_t H5D_LOPS_COMPACT[1] = {{
H5D__compact_construct,
NULL,
H5D__compact_is_space_alloc,
+ NULL,
H5D__compact_io_init,
H5D__contig_read,
H5D__contig_write,
diff --git a/src/H5Dcontig.c b/src/H5Dcontig.c
index ad12ba0..c2e9bfc 100644
--- a/src/H5Dcontig.c
+++ b/src/H5Dcontig.c
@@ -118,6 +118,7 @@ const H5D_layout_ops_t H5D_LOPS_CONTIG[1] = {{
H5D__contig_construct,
H5D__contig_init,
H5D__contig_is_space_alloc,
+ H5D__contig_is_data_cached,
H5D__contig_io_init,
H5D__contig_read,
H5D__contig_write,
@@ -538,6 +539,30 @@ H5D__contig_is_space_alloc(const H5O_storage_t *storage)
/*-------------------------------------------------------------------------
+ * Function: H5D__contig_is_data_cached
+ *
+ * Purpose: Query if raw data is cached for dataset
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Neil Fortner
+ * Wednessday, March 6, 2016
+ *
+ *-------------------------------------------------------------------------
+ */
+hbool_t
+H5D__contig_is_data_cached(const H5D_shared_t *shared_dset)
+{
+ FUNC_ENTER_PACKAGE_NOERR
+
+ /* Sanity checks */
+ HDassert(shared_dset);
+
+ FUNC_LEAVE_NOAPI(shared_dset->cache.contig.sieve_size > 0)
+} /* end H5D__contig_is_data_cached() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5D__contig_io_init
*
* Purpose: Performs initialization before any sort of I/O on the raw data
diff --git a/src/H5Defl.c b/src/H5Defl.c
index b2f9b29..42b3947 100644
--- a/src/H5Defl.c
+++ b/src/H5Defl.c
@@ -91,6 +91,7 @@ const H5D_layout_ops_t H5D_LOPS_EFL[1] = {{
H5D__efl_construct,
NULL,
H5D__efl_is_space_alloc,
+ NULL,
H5D__efl_io_init,
H5D__contig_read,
H5D__contig_write,
diff --git a/src/H5Dint.c b/src/H5Dint.c
index 384c66b..874e845 100644
--- a/src/H5Dint.c
+++ b/src/H5Dint.c
@@ -2898,7 +2898,8 @@ H5D__set_extent(H5D_t *dset, const hsize_t *size)
*-------------------------------------------------------------------------
*/
if(H5D_CHUNKED == dset->shared->layout.type) {
- if(shrink && (*dset->shared->layout.ops->is_space_alloc)(&dset->shared->layout.storage))
+ if(shrink && ((*dset->shared->layout.ops->is_space_alloc)(&dset->shared->layout.storage)
+ || (dset->shared->layout.ops->is_data_cached && (*dset->shared->layout.ops->is_data_cached)(dset->shared))))
/* Remove excess chunks */
if(H5D__chunk_prune_by_extent(dset, curr_dims) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "unable to remove chunks")
diff --git a/src/H5Dio.c b/src/H5Dio.c
index 2f87e38..9343b80 100644
--- a/src/H5Dio.c
+++ b/src/H5Dio.c
@@ -518,7 +518,8 @@ H5D__read(H5D_t *dataset, hid_t mem_type_id, const H5S_t *mem_space,
* has been overwritten. So just proceed in reading.
*/
if(nelmts > 0 && dataset->shared->dcpl_cache.efl.nused == 0 &&
- !(*dataset->shared->layout.ops->is_space_alloc)(&dataset->shared->layout.storage)) {
+ !(*dataset->shared->layout.ops->is_space_alloc)(&dataset->shared->layout.storage) &&
+ !(dataset->shared->layout.ops->is_data_cached && (*dataset->shared->layout.ops->is_data_cached)(dataset->shared))) {
H5D_fill_value_t fill_status; /* Whether/How the fill value is defined */
/* Retrieve dataset's fill-value properties */
@@ -550,6 +551,7 @@ H5D__read(H5D_t *dataset, hid_t mem_type_id, const H5S_t *mem_space,
/* Sanity check that space is allocated, if there are elements */
if(nelmts > 0)
HDassert((*dataset->shared->layout.ops->is_space_alloc)(&dataset->shared->layout.storage)
+ || (dataset->shared->layout.ops->is_data_cached && (*dataset->shared->layout.ops->is_data_cached)(dataset->shared))
|| dataset->shared->dcpl_cache.efl.nused > 0
|| dataset->shared->layout.type == H5D_COMPACT);
diff --git a/src/H5Dpkg.h b/src/H5Dpkg.h
index 2767aa1..e7c623b 100644
--- a/src/H5Dpkg.h
+++ b/src/H5Dpkg.h
@@ -113,12 +113,14 @@ typedef struct H5D_type_info_t {
/* Forward declaration of structs used below */
struct H5D_io_info_t;
struct H5D_chunk_map_t;
+typedef struct H5D_shared_t H5D_shared_t;
/* Function pointers for I/O on particular types of dataset layouts */
typedef herr_t (*H5D_layout_construct_func_t)(H5F_t *f, H5D_t *dset);
typedef herr_t (*H5D_layout_init_func_t)(H5F_t *f, const H5D_t *dset,
hid_t dapl_id);
typedef hbool_t (*H5D_layout_is_space_alloc_func_t)(const H5O_storage_t *storage);
+typedef hbool_t (*H5D_layout_is_data_cached_func_t)(const H5D_shared_t *shared_dset);
typedef herr_t (*H5D_layout_io_init_func_t)(const struct H5D_io_info_t *io_info,
const H5D_type_info_t *type_info,
hsize_t nelmts, const H5S_t *file_space, const H5S_t *mem_space,
@@ -144,6 +146,7 @@ typedef struct H5D_layout_ops_t {
H5D_layout_construct_func_t construct; /* Layout constructor for new datasets */
H5D_layout_init_func_t init; /* Layout initializer for dataset */
H5D_layout_is_space_alloc_func_t is_space_alloc; /* Query routine to determine if storage is allocated */
+ H5D_layout_is_data_cached_func_t is_data_cached; /* Query routine to determine if any raw data is cached. If routine is not present then the layout type never caches raw data. */
H5D_layout_io_init_func_t io_init; /* I/O initialization routine */
H5D_layout_read_func_t ser_read; /* High-level I/O routine for reading data in serial */
H5D_layout_write_func_t ser_write; /* High-level I/O routine for writing data in serial */
@@ -429,7 +432,7 @@ typedef struct H5D_rdcdc_t {
* created once for a given dataset. Thus, if a dataset is opened twice,
* there will be two IDs and two H5D_t structs, both sharing one H5D_shared_t.
*/
-typedef struct H5D_shared_t {
+struct H5D_shared_t {
size_t fo_count; /* Reference count */
hbool_t closing; /* Flag to indicate dataset is closing */
hid_t type_id; /* ID for dataset's datatype */
@@ -459,7 +462,7 @@ typedef struct H5D_shared_t {
H5D_append_flush_t append_flush; /* Append flush property information */
char *extfile_prefix; /* expanded external file prefix */
char *vds_prefix; /* expanded vds prefix */
-} H5D_shared_t;
+};
struct H5D_t {
H5O_loc_t oloc; /* Object header location */
@@ -618,6 +621,7 @@ H5_DLL herr_t H5D__layout_oh_write(const H5D_t *dataset, H5O_t *oh, unsigned upd
/* Functions that operate on contiguous storage */
H5_DLL herr_t H5D__contig_alloc(H5F_t *f, H5O_storage_contig_t *storage);
H5_DLL hbool_t H5D__contig_is_space_alloc(const H5O_storage_t *storage);
+H5_DLL hbool_t H5D__contig_is_data_cached(const H5D_shared_t *shared_dset);
H5_DLL herr_t H5D__contig_fill(const H5D_io_info_t *io_info);
H5_DLL herr_t H5D__contig_read(H5D_io_info_t *io_info, const H5D_type_info_t *type_info,
hsize_t nelmts, const H5S_t *file_space, const H5S_t *mem_space,
@@ -636,6 +640,7 @@ H5_DLL htri_t H5D__chunk_cacheable(const H5D_io_info_t *io_info, haddr_t caddr,
H5_DLL herr_t H5D__chunk_create(const H5D_t *dset /*in,out*/);
H5_DLL herr_t H5D__chunk_set_info(const H5D_t *dset);
H5_DLL hbool_t H5D__chunk_is_space_alloc(const H5O_storage_t *storage);
+H5_DLL hbool_t H5D__chunk_is_data_cached(const H5D_shared_t *shared_dset);
H5_DLL herr_t H5D__chunk_lookup(const H5D_t *dset, const hsize_t *scaled,
H5D_chunk_ud_t *udata);
H5_DLL herr_t H5D__chunk_allocated(const H5D_t *dset, hsize_t *nbytes);
diff --git a/src/H5Dvirtual.c b/src/H5Dvirtual.c
index c0d49d8..a803cca 100644
--- a/src/H5Dvirtual.c
+++ b/src/H5Dvirtual.c
@@ -78,6 +78,7 @@
/********************/
/* Layout operation callbacks */
+static hbool_t H5D__virtual_is_data_cached(const H5D_shared_t *shared_dset);
static herr_t H5D__virtual_read(H5D_io_info_t *io_info, const H5D_type_info_t
*type_info, hsize_t nelmts, const H5S_t *file_space, const H5S_t *mem_space,
H5D_chunk_map_t *fm);
@@ -121,6 +122,7 @@ const H5D_layout_ops_t H5D_LOPS_VIRTUAL[1] = {{
NULL,
H5D__virtual_init,
H5D__virtual_is_space_alloc,
+ H5D__virtual_is_data_cached,
NULL,
H5D__virtual_read,
H5D__virtual_write,
@@ -2207,6 +2209,54 @@ H5D__virtual_is_space_alloc(const H5O_storage_t H5_ATTR_UNUSED *storage)
/*-------------------------------------------------------------------------
+ * Function: H5D__virtual_is_data_cached
+ *
+ * Purpose: Query if raw data is cached for dataset
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Neil Fortner
+ * Wednessday, March 6, 2016
+ *
+ *-------------------------------------------------------------------------
+ */
+static hbool_t
+H5D__virtual_is_data_cached(const H5D_shared_t *shared_dset)
+{
+ const H5O_storage_virtual_t *storage; /* Convenience pointer */
+ size_t i, j; /* Local index variables */
+ hbool_t ret_value = FALSE; /* Return value */
+
+ FUNC_ENTER_PACKAGE_NOERR
+
+ /* Sanity checks */
+ HDassert(shared_dset);
+ storage = &shared_dset->layout.storage.u.virt;
+
+ /* Iterate over mappings */
+ for(i = 0; i < storage->list_nused; i++)
+ /* Check for "printf" source dataset resolution */
+ if(storage->list[i].psfn_nsubs || storage->list[i].psdn_nsubs) {
+ /* Iterate over sub-source dsets */
+ for(j = storage->list[i].sub_dset_io_start; j < storage->list[i].sub_dset_io_end; j++)
+ /* Check for cahced data in source dset */
+ if(storage->list[i].sub_dset[j].dset
+ && storage->list[i].sub_dset[j].dset->shared->layout.ops->is_data_cached
+ && storage->list[i].sub_dset[j].dset->shared->layout.ops->is_data_cached(storage->list[i].sub_dset[j].dset->shared))
+ HGOTO_DONE(TRUE);
+ } /* end if */
+ else
+ if(storage->list[i].source_dset.dset
+ && storage->list[i].source_dset.dset->shared->layout.ops->is_data_cached
+ && storage->list[i].source_dset.dset->shared->layout.ops->is_data_cached(storage->list[i].source_dset.dset->shared))
+ HGOTO_DONE(TRUE);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5D__virtual_is_data_cached() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5D__virtual_pre_io
*
* Purpose: Project all virtual mappings onto mem_space, with the
diff --git a/src/H5Olayout.c b/src/H5Olayout.c
index 2b65e0c..86f4c46 100644
--- a/src/H5Olayout.c
+++ b/src/H5Olayout.c
@@ -1039,7 +1039,8 @@ H5O__layout_copy_file(H5F_t *file_src, void *mesg_src, H5F_t *file_dst,
layout_dst->storage.u.contig.size = H5S_extent_nelem(udata->src_space_extent) *
H5T_get_size(udata->src_dtype);
- if(H5D__contig_is_space_alloc(&layout_src->storage)) {
+ if(H5D__contig_is_space_alloc(&layout_src->storage)
+ || (cpy_info->shared_fo && H5D__contig_is_data_cached((const H5D_shared_t *)cpy_info->shared_fo))) {
/* copy contiguous raw data */
if(H5D__contig_copy(file_src, &layout_src->storage.u.contig, file_dst, &layout_dst->storage.u.contig, udata->src_dtype, cpy_info) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, NULL, "unable to copy contiguous storage")
@@ -1048,7 +1049,8 @@ H5O__layout_copy_file(H5F_t *file_src, void *mesg_src, H5F_t *file_dst,
break;
case H5D_CHUNKED:
- if(H5D__chunk_is_space_alloc(&layout_src->storage)) {
+ if(H5D__chunk_is_space_alloc(&layout_src->storage)
+ || (cpy_info->shared_fo && H5D__chunk_is_data_cached((const H5D_shared_t *)cpy_info->shared_fo))) {
/* Create chunked layout */
if(H5D__chunk_copy(file_src, &layout_src->storage.u.chunk, &layout_src->u.chunk, file_dst, &layout_dst->storage.u.chunk, udata->src_space_extent, udata->src_dtype, udata->common.src_pline, cpy_info) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, NULL, "unable to copy chunked storage")