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-rw-r--r--src/H5Distore.c83
1 files changed, 39 insertions, 44 deletions
diff --git a/src/H5Distore.c b/src/H5Distore.c
index f36b6200..147e143 100644
--- a/src/H5Distore.c
+++ b/src/H5Distore.c
@@ -33,6 +33,7 @@
#define H5F_PACKAGE /*suppress error about including H5Fpkg */
#include "H5private.h"
+#include "H5Bprivate.h" /*B-link trees */
#include "H5Dprivate.h"
#include "H5Eprivate.h"
#include "H5Fpkg.h"
@@ -186,9 +187,9 @@ H5B_class_t H5B_ISTORE[1] = {{
H5F_istore_debug_key, /*debug */
}};
-#define H5F_HASH_DIVISOR 8 /* Attempt to spread out the hashing */
- /* This should be the same size as the alignment of */
- /* of the smallest file format object written to the file. */
+#define H5F_HASH_DIVISOR 1 /* Attempt to spread out the hashing */
+ /* This should be the same size as the alignment of */
+ /* of the smallest file format object written to the file. */
#define H5F_HASH(F,ADDR) H5F_addr_hash((ADDR/H5F_HASH_DIVISOR),(F)->shared->rdcc.nslots)
@@ -499,9 +500,7 @@ H5F_istore_new_node(H5F_t *f, H5B_ins_t op,
herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5F_istore_new_node, FAIL);
-#ifdef AKC
- printf("%s: Called\n", FUNC);
-#endif
+
/* check args */
assert(f);
assert(lt_key);
@@ -654,12 +653,9 @@ H5F_istore_insert(H5F_t *f, haddr_t addr, void *_lt_key,
H5F_istore_ud1_t *udata = (H5F_istore_ud1_t *) _udata;
int cmp;
unsigned u;
- H5B_ins_t ret_value = H5B_INS_ERROR;
+ H5B_ins_t ret_value;
FUNC_ENTER_NOAPI(H5F_istore_insert, H5B_INS_ERROR);
-#ifdef AKC
- printf("%s: Called\n", FUNC);
-#endif
/* check args */
assert(f);
@@ -688,12 +684,25 @@ H5F_istore_insert(H5F_t *f, haddr_t addr, void *_lt_key,
* then we should reallocate storage.
*/
if (lt_key->nbytes != udata->key.nbytes) {
-#ifdef AKC
- printf("calling H5MF_realloc for new chunk\n");
-#endif
+/* Currently, the old chunk data is "thrown away" after the space is reallocated,
+ * so avoid data copy in H5MF_realloc() call by just free'ing the space and
+ * allocating new space.
+ *
+ * This should keep the file smaller also, by freeing the space and then
+ * allocating new space, instead of vice versa (in H5MF_realloc).
+ *
+ * QAK - 11/19/2002
+ */
+#ifdef OLD_WAY
if (HADDR_UNDEF==(*new_node_p=H5MF_realloc(f, H5FD_MEM_DRAW, addr,
(hsize_t)lt_key->nbytes, (hsize_t)udata->key.nbytes)))
- HGOTO_ERROR (H5E_STORAGE, H5E_WRITEERROR, H5B_INS_ERROR, "unable to reallocate chunk storage");
+ HGOTO_ERROR (H5E_STORAGE, H5E_NOSPACE, H5B_INS_ERROR, "unable to reallocate chunk storage");
+#else /* OLD_WAY */
+ if (H5MF_xfree(f, H5FD_MEM_DRAW, addr,(hsize_t)lt_key->nbytes)<0)
+ HGOTO_ERROR(H5E_STORAGE, H5E_CANTFREE, H5B_INS_ERROR, "unable to free chunk");
+ if (HADDR_UNDEF==(*new_node_p=H5MF_alloc(f, H5FD_MEM_DRAW, (hsize_t)udata->key.nbytes)))
+ HGOTO_ERROR(H5E_STORAGE, H5E_NOSPACE, H5B_INS_ERROR, "unable to reallocate chunk");
+#endif /* OLD_WAY */
lt_key->nbytes = udata->key.nbytes;
lt_key->filter_mask = udata->key.filter_mask;
*lt_key_changed = TRUE;
@@ -724,11 +733,8 @@ H5F_istore_insert(H5F_t *f, haddr_t addr, void *_lt_key,
/*
* Allocate storage for the new chunk
*/
-#ifdef AKC
- printf("calling H5MF_alloc for new chunk\n");
-#endif
if (HADDR_UNDEF==(*new_node_p=H5MF_alloc(f, H5FD_MEM_DRAW, (hsize_t)udata->key.nbytes)))
- HGOTO_ERROR(H5E_IO, H5E_CANTINIT, H5B_INS_ERROR, "file allocation failed");
+ HGOTO_ERROR(H5E_STORAGE, H5E_NOSPACE, H5B_INS_ERROR, "file allocation failed");
udata->addr = *new_node_p;
ret_value = H5B_INS_RIGHT;
@@ -769,7 +775,7 @@ H5F_istore_iter_allocated (H5F_t UNUSED *f, void *_lt_key, haddr_t UNUSED addr,
H5F_istore_ud1_t *bt_udata = (H5F_istore_ud1_t *)_udata;
H5F_istore_key_t *lt_key = (H5F_istore_key_t *)_lt_key;
- FUNC_ENTER_NOINIT(H5F_istore_iterate);
+ FUNC_ENTER_NOINIT(H5F_istore_iter_allocated);
bt_udata->total_storage += lt_key->nbytes;
@@ -806,11 +812,10 @@ H5F_istore_iter_dump (H5F_t UNUSED *f, void *_lt_key, haddr_t UNUSED addr,
H5F_istore_key_t *lt_key = (H5F_istore_key_t *)_lt_key;
unsigned u;
- FUNC_ENTER_NOINIT(H5F_istore_iterate);
+ FUNC_ENTER_NOINIT(H5F_istore_iter_dump);
if (bt_udata->stream) {
if (0==bt_udata->total_storage) {
- fprintf(bt_udata->stream, " Address:\n");
fprintf(bt_udata->stream,
" Flags Bytes Address Logical Offset\n");
fprintf(bt_udata->stream,
@@ -819,10 +824,12 @@ H5F_istore_iter_dump (H5F_t UNUSED *f, void *_lt_key, haddr_t UNUSED addr,
}
HDfprintf(bt_udata->stream, " 0x%08x %8Zu %10a [",
lt_key->filter_mask, lt_key->nbytes, addr);
- for (u=0; u<bt_udata->mesg.ndims; u++) {
+ for (u=0; u<bt_udata->mesg.ndims; u++)
HDfprintf(bt_udata->stream, "%s%Hd", u?", ":"", lt_key->offset[u]);
- }
HDfputs("]\n", bt_udata->stream);
+
+ /* Use "total storage" information as flag for printing headers */
+ bt_udata->total_storage++;
}
FUNC_LEAVE(SUCCEED);
@@ -885,7 +892,7 @@ done:
static herr_t
H5F_istore_flush_entry(H5F_t *f, H5F_rdcc_ent_t *ent, hbool_t reset)
{
- herr_t ret_value=FAIL; /*return value */
+ herr_t ret_value=SUCCEED; /*return value */
H5F_istore_ud1_t udata; /*pass through B-tree */
unsigned u; /*counters */
void *buf=NULL; /*temporary buffer */
@@ -965,8 +972,6 @@ H5F_istore_flush_entry(H5F_t *f, H5F_rdcc_ent_t *ent, hbool_t reset)
ent->chunk = H5MM_xfree(ent->chunk);
}
- ret_value = SUCCEED;
-
done:
/* Free the temp buffer only if it's different than the entry chunk */
if (buf!=ent->chunk)
@@ -1320,16 +1325,15 @@ H5F_istore_lock(H5F_t *f, hid_t dxpl_id, const H5O_layout_t *layout,
size_t chunk_alloc=0; /*allocated chunk size */
herr_t status; /*func return status */
void *chunk=NULL; /*the file chunk */
- void *ret_value=NULL; /*return value */
+ void *ret_value; /*return value */
H5P_genplist_t *plist=NULL; /* Property list */
FUNC_ENTER_NOINIT(H5F_istore_lock);
if (rdcc->nslots>0) {
- /* We don't care about loss of precision in the following statement. */
for (u=0, temp_idx=0; u<layout->ndims; u++) {
- temp_idx *= layout->dim[u];
temp_idx += offset[u];
+ temp_idx *= layout->dim[u];
}
temp_idx += (hsize_t)(layout->addr);
idx=H5F_HASH(f,temp_idx);
@@ -1429,18 +1433,6 @@ H5F_istore_lock(H5F_t *f, hid_t dxpl_id, const H5O_layout_t *layout,
HDputc('#', stderr);
HDfflush(stderr);
#endif
-#if 0
- HDfprintf(stderr, "\ncollision %3d %10a {",
- idx, ent->layout->addr);
- for (u=0; u<layout->ndims; u++) {
- HDfprintf(stderr, "%s%Zu", u?",":"", ent->offset[u]);
- }
- HDfprintf(stderr, "}\n %10a {", layout->addr);
- for (u=0; u<layout->ndims; u++) {
- HDfprintf(stderr, "%s%Zu", u?",":"", offset[u]);
- }
- fprintf(stderr, "}\n");
-#endif
if (H5F_istore_preempt(f, ent, TRUE)<0)
HGOTO_ERROR(H5E_IO, H5E_CANTINIT, NULL, "unable to preempt chunk from cache");
}
@@ -2117,7 +2109,9 @@ H5F_istore_dump_btree(H5F_t *f, FILE *stream, unsigned ndims, haddr_t addr)
HDmemset(&udata, 0, sizeof udata);
udata.mesg.ndims = ndims;
udata.stream = stream;
- if (H5B_iterate(f, H5B_ISTORE, H5F_istore_iter_dump, addr, &udata)<0)
+ if(stream)
+ HDfprintf(stream, " Address: %a\n",addr);
+ if(H5B_iterate(f, H5B_ISTORE, H5F_istore_iter_dump, addr, &udata)<0)
HGOTO_ERROR(H5E_IO, H5E_CANTINIT, 0, "unable to iterate over chunk B-tree");
done:
@@ -2248,7 +2242,7 @@ H5F_istore_get_addr(H5F_t *f, const H5O_layout_t *layout,
{
H5F_istore_ud1_t udata; /* Information about a chunk */
unsigned u;
- haddr_t ret_value=HADDR_UNDEF; /* Return value */
+ haddr_t ret_value; /* Return value */
FUNC_ENTER_NOINIT(H5F_istore_get_addr);
@@ -2936,7 +2930,7 @@ H5F_istore_initialize_by_extent(H5F_t *f, const H5O_layout_t *layout,
} /* end for */
/*
- * Figure out what chunks have to be initialized. These are the chunks where the database
+ * Figure out what chunks have to be initialized. These are the chunks where the dataspace
* extent boundary is within the chunk
*/
for(u = 0, found = 0; u < layout->ndims - 1; u++) {
@@ -3002,3 +2996,4 @@ done:
FUNC_LEAVE(ret_value);
}
+
generated by cgit v0.12 at 2024-11-10 05:04:48 (GMT)