summaryrefslogtreecommitdiff
path: root/deps/jemalloc/src/ckh.c
diff options
context:
space:
mode:
Diffstat (limited to 'deps/jemalloc/src/ckh.c')
-rw-r--r--deps/jemalloc/src/ckh.c254
1 files changed, 130 insertions, 124 deletions
diff --git a/deps/jemalloc/src/ckh.c b/deps/jemalloc/src/ckh.c
index 04c5296619..e95e0a3ed5 100644
--- a/deps/jemalloc/src/ckh.c
+++ b/deps/jemalloc/src/ckh.c
@@ -34,14 +34,24 @@
* respectively.
*
******************************************************************************/
-#define JEMALLOC_CKH_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#define JEMALLOC_CKH_C_
+#include "jemalloc/internal/jemalloc_preamble.h"
+
+#include "jemalloc/internal/ckh.h"
+
+#include "jemalloc/internal/jemalloc_internal_includes.h"
+
+#include "jemalloc/internal/assert.h"
+#include "jemalloc/internal/hash.h"
+#include "jemalloc/internal/malloc_io.h"
+#include "jemalloc/internal/prng.h"
+#include "jemalloc/internal/util.h"
/******************************************************************************/
/* Function prototypes for non-inline static functions. */
-static bool ckh_grow(ckh_t *ckh);
-static void ckh_shrink(ckh_t *ckh);
+static bool ckh_grow(tsd_t *tsd, ckh_t *ckh);
+static void ckh_shrink(tsd_t *tsd, ckh_t *ckh);
/******************************************************************************/
@@ -49,27 +59,26 @@ static void ckh_shrink(ckh_t *ckh);
* Search bucket for key and return the cell number if found; SIZE_T_MAX
* otherwise.
*/
-JEMALLOC_INLINE_C size_t
-ckh_bucket_search(ckh_t *ckh, size_t bucket, const void *key)
-{
+static size_t
+ckh_bucket_search(ckh_t *ckh, size_t bucket, const void *key) {
ckhc_t *cell;
unsigned i;
for (i = 0; i < (ZU(1) << LG_CKH_BUCKET_CELLS); i++) {
cell = &ckh->tab[(bucket << LG_CKH_BUCKET_CELLS) + i];
- if (cell->key != NULL && ckh->keycomp(key, cell->key))
- return ((bucket << LG_CKH_BUCKET_CELLS) + i);
+ if (cell->key != NULL && ckh->keycomp(key, cell->key)) {
+ return (bucket << LG_CKH_BUCKET_CELLS) + i;
+ }
}
- return (SIZE_T_MAX);
+ return SIZE_T_MAX;
}
/*
* Search table for key and return cell number if found; SIZE_T_MAX otherwise.
*/
-JEMALLOC_INLINE_C size_t
-ckh_isearch(ckh_t *ckh, const void *key)
-{
+static size_t
+ckh_isearch(ckh_t *ckh, const void *key) {
size_t hashes[2], bucket, cell;
assert(ckh != NULL);
@@ -79,19 +88,19 @@ ckh_isearch(ckh_t *ckh, const void *key)
/* Search primary bucket. */
bucket = hashes[0] & ((ZU(1) << ckh->lg_curbuckets) - 1);
cell = ckh_bucket_search(ckh, bucket, key);
- if (cell != SIZE_T_MAX)
- return (cell);
+ if (cell != SIZE_T_MAX) {
+ return cell;
+ }
/* Search secondary bucket. */
bucket = hashes[1] & ((ZU(1) << ckh->lg_curbuckets) - 1);
cell = ckh_bucket_search(ckh, bucket, key);
- return (cell);
+ return cell;
}
-JEMALLOC_INLINE_C bool
+static bool
ckh_try_bucket_insert(ckh_t *ckh, size_t bucket, const void *key,
- const void *data)
-{
+ const void *data) {
ckhc_t *cell;
unsigned offset, i;
@@ -99,7 +108,8 @@ ckh_try_bucket_insert(ckh_t *ckh, size_t bucket, const void *key,
* Cycle through the cells in the bucket, starting at a random position.
* The randomness avoids worst-case search overhead as buckets fill up.
*/
- prng32(offset, LG_CKH_BUCKET_CELLS, ckh->prng_state, CKH_A, CKH_C);
+ offset = (unsigned)prng_lg_range_u64(&ckh->prng_state,
+ LG_CKH_BUCKET_CELLS);
for (i = 0; i < (ZU(1) << LG_CKH_BUCKET_CELLS); i++) {
cell = &ckh->tab[(bucket << LG_CKH_BUCKET_CELLS) +
((i + offset) & ((ZU(1) << LG_CKH_BUCKET_CELLS) - 1))];
@@ -107,11 +117,11 @@ ckh_try_bucket_insert(ckh_t *ckh, size_t bucket, const void *key,
cell->key = key;
cell->data = data;
ckh->count++;
- return (false);
+ return false;
}
}
- return (true);
+ return true;
}
/*
@@ -120,10 +130,9 @@ ckh_try_bucket_insert(ckh_t *ckh, size_t bucket, const void *key,
* eviction/relocation procedure until either success or detection of an
* eviction/relocation bucket cycle.
*/
-JEMALLOC_INLINE_C bool
+static bool
ckh_evict_reloc_insert(ckh_t *ckh, size_t argbucket, void const **argkey,
- void const **argdata)
-{
+ void const **argdata) {
const void *key, *data, *tkey, *tdata;
ckhc_t *cell;
size_t hashes[2], bucket, tbucket;
@@ -141,7 +150,8 @@ ckh_evict_reloc_insert(ckh_t *ckh, size_t argbucket, void const **argkey,
* were an item for which both hashes indicated the same
* bucket.
*/
- prng32(i, LG_CKH_BUCKET_CELLS, ckh->prng_state, CKH_A, CKH_C);
+ i = (unsigned)prng_lg_range_u64(&ckh->prng_state,
+ LG_CKH_BUCKET_CELLS);
cell = &ckh->tab[(bucket << LG_CKH_BUCKET_CELLS) + i];
assert(cell->key != NULL);
@@ -181,18 +191,18 @@ ckh_evict_reloc_insert(ckh_t *ckh, size_t argbucket, void const **argkey,
if (tbucket == argbucket) {
*argkey = key;
*argdata = data;
- return (true);
+ return true;
}
bucket = tbucket;
- if (ckh_try_bucket_insert(ckh, bucket, key, data) == false)
- return (false);
+ if (!ckh_try_bucket_insert(ckh, bucket, key, data)) {
+ return false;
+ }
}
}
-JEMALLOC_INLINE_C bool
-ckh_try_insert(ckh_t *ckh, void const**argkey, void const**argdata)
-{
+static bool
+ckh_try_insert(ckh_t *ckh, void const**argkey, void const**argdata) {
size_t hashes[2], bucket;
const void *key = *argkey;
const void *data = *argdata;
@@ -201,27 +211,28 @@ ckh_try_insert(ckh_t *ckh, void const**argkey, void const**argdata)
/* Try to insert in primary bucket. */
bucket = hashes[0] & ((ZU(1) << ckh->lg_curbuckets) - 1);
- if (ckh_try_bucket_insert(ckh, bucket, key, data) == false)
- return (false);
+ if (!ckh_try_bucket_insert(ckh, bucket, key, data)) {
+ return false;
+ }
/* Try to insert in secondary bucket. */
bucket = hashes[1] & ((ZU(1) << ckh->lg_curbuckets) - 1);
- if (ckh_try_bucket_insert(ckh, bucket, key, data) == false)
- return (false);
+ if (!ckh_try_bucket_insert(ckh, bucket, key, data)) {
+ return false;
+ }
/*
* Try to find a place for this item via iterative eviction/relocation.
*/
- return (ckh_evict_reloc_insert(ckh, bucket, argkey, argdata));
+ return ckh_evict_reloc_insert(ckh, bucket, argkey, argdata);
}
/*
* Try to rebuild the hash table from scratch by inserting all items from the
* old table into the new.
*/
-JEMALLOC_INLINE_C bool
-ckh_rebuild(ckh_t *ckh, ckhc_t *aTab)
-{
+static bool
+ckh_rebuild(ckh_t *ckh, ckhc_t *aTab) {
size_t count, i, nins;
const void *key, *data;
@@ -233,22 +244,20 @@ ckh_rebuild(ckh_t *ckh, ckhc_t *aTab)
data = aTab[i].data;
if (ckh_try_insert(ckh, &key, &data)) {
ckh->count = count;
- return (true);
+ return true;
}
nins++;
}
}
- return (false);
+ return false;
}
static bool
-ckh_grow(ckh_t *ckh)
-{
+ckh_grow(tsd_t *tsd, ckh_t *ckh) {
bool ret;
ckhc_t *tab, *ttab;
- size_t lg_curcells;
- unsigned lg_prevbuckets;
+ unsigned lg_prevbuckets, lg_curcells;
#ifdef CKH_COUNT
ckh->ngrows++;
@@ -265,12 +274,13 @@ ckh_grow(ckh_t *ckh)
size_t usize;
lg_curcells++;
- usize = sa2u(sizeof(ckhc_t) << lg_curcells, CACHELINE);
- if (usize == 0) {
+ usize = sz_sa2u(sizeof(ckhc_t) << lg_curcells, CACHELINE);
+ if (unlikely(usize == 0 || usize > LARGE_MAXCLASS)) {
ret = true;
goto label_return;
}
- tab = (ckhc_t *)ipalloc(usize, CACHELINE, true);
+ tab = (ckhc_t *)ipallocztm(tsd_tsdn(tsd), usize, CACHELINE,
+ true, NULL, true, arena_ichoose(tsd, NULL));
if (tab == NULL) {
ret = true;
goto label_return;
@@ -281,28 +291,27 @@ ckh_grow(ckh_t *ckh)
tab = ttab;
ckh->lg_curbuckets = lg_curcells - LG_CKH_BUCKET_CELLS;
- if (ckh_rebuild(ckh, tab) == false) {
- idalloc(tab);
+ if (!ckh_rebuild(ckh, tab)) {
+ idalloctm(tsd_tsdn(tsd), tab, NULL, NULL, true, true);
break;
}
/* Rebuilding failed, so back out partially rebuilt table. */
- idalloc(ckh->tab);
+ idalloctm(tsd_tsdn(tsd), ckh->tab, NULL, NULL, true, true);
ckh->tab = tab;
ckh->lg_curbuckets = lg_prevbuckets;
}
ret = false;
label_return:
- return (ret);
+ return ret;
}
static void
-ckh_shrink(ckh_t *ckh)
-{
+ckh_shrink(tsd_t *tsd, ckh_t *ckh) {
ckhc_t *tab, *ttab;
- size_t lg_curcells, usize;
- unsigned lg_prevbuckets;
+ size_t usize;
+ unsigned lg_prevbuckets, lg_curcells;
/*
* It is possible (though unlikely, given well behaved hashes) that the
@@ -310,10 +319,12 @@ ckh_shrink(ckh_t *ckh)
*/
lg_prevbuckets = ckh->lg_curbuckets;
lg_curcells = ckh->lg_curbuckets + LG_CKH_BUCKET_CELLS - 1;
- usize = sa2u(sizeof(ckhc_t) << lg_curcells, CACHELINE);
- if (usize == 0)
+ usize = sz_sa2u(sizeof(ckhc_t) << lg_curcells, CACHELINE);
+ if (unlikely(usize == 0 || usize > LARGE_MAXCLASS)) {
return;
- tab = (ckhc_t *)ipalloc(usize, CACHELINE, true);
+ }
+ tab = (ckhc_t *)ipallocztm(tsd_tsdn(tsd), usize, CACHELINE, true, NULL,
+ true, arena_ichoose(tsd, NULL));
if (tab == NULL) {
/*
* An OOM error isn't worth propagating, since it doesn't
@@ -327,8 +338,8 @@ ckh_shrink(ckh_t *ckh)
tab = ttab;
ckh->lg_curbuckets = lg_curcells - LG_CKH_BUCKET_CELLS;
- if (ckh_rebuild(ckh, tab) == false) {
- idalloc(tab);
+ if (!ckh_rebuild(ckh, tab)) {
+ idalloctm(tsd_tsdn(tsd), tab, NULL, NULL, true, true);
#ifdef CKH_COUNT
ckh->nshrinks++;
#endif
@@ -336,7 +347,7 @@ ckh_shrink(ckh_t *ckh)
}
/* Rebuilding failed, so back out partially rebuilt table. */
- idalloc(ckh->tab);
+ idalloctm(tsd_tsdn(tsd), ckh->tab, NULL, NULL, true, true);
ckh->tab = tab;
ckh->lg_curbuckets = lg_prevbuckets;
#ifdef CKH_COUNT
@@ -345,8 +356,8 @@ ckh_shrink(ckh_t *ckh)
}
bool
-ckh_new(ckh_t *ckh, size_t minitems, ckh_hash_t *hash, ckh_keycomp_t *keycomp)
-{
+ckh_new(tsd_t *tsd, ckh_t *ckh, size_t minitems, ckh_hash_t *hash,
+ ckh_keycomp_t *keycomp) {
bool ret;
size_t mincells, usize;
unsigned lg_mincells;
@@ -366,29 +377,31 @@ ckh_new(ckh_t *ckh, size_t minitems, ckh_hash_t *hash, ckh_keycomp_t *keycomp)
ckh->count = 0;
/*
- * Find the minimum power of 2 that is large enough to fit aBaseCount
+ * Find the minimum power of 2 that is large enough to fit minitems
* entries. We are using (2+,2) cuckoo hashing, which has an expected
* maximum load factor of at least ~0.86, so 0.75 is a conservative load
- * factor that will typically allow 2^aLgMinItems to fit without ever
+ * factor that will typically allow mincells items to fit without ever
* growing the table.
*/
assert(LG_CKH_BUCKET_CELLS > 0);
mincells = ((minitems + (3 - (minitems % 3))) / 3) << 2;
for (lg_mincells = LG_CKH_BUCKET_CELLS;
(ZU(1) << lg_mincells) < mincells;
- lg_mincells++)
- ; /* Do nothing. */
+ lg_mincells++) {
+ /* Do nothing. */
+ }
ckh->lg_minbuckets = lg_mincells - LG_CKH_BUCKET_CELLS;
ckh->lg_curbuckets = lg_mincells - LG_CKH_BUCKET_CELLS;
ckh->hash = hash;
ckh->keycomp = keycomp;
- usize = sa2u(sizeof(ckhc_t) << lg_mincells, CACHELINE);
- if (usize == 0) {
+ usize = sz_sa2u(sizeof(ckhc_t) << lg_mincells, CACHELINE);
+ if (unlikely(usize == 0 || usize > LARGE_MAXCLASS)) {
ret = true;
goto label_return;
}
- ckh->tab = (ckhc_t *)ipalloc(usize, CACHELINE, true);
+ ckh->tab = (ckhc_t *)ipallocztm(tsd_tsdn(tsd), usize, CACHELINE, true,
+ NULL, true, arena_ichoose(tsd, NULL));
if (ckh->tab == NULL) {
ret = true;
goto label_return;
@@ -396,20 +409,18 @@ ckh_new(ckh_t *ckh, size_t minitems, ckh_hash_t *hash, ckh_keycomp_t *keycomp)
ret = false;
label_return:
- return (ret);
+ return ret;
}
void
-ckh_delete(ckh_t *ckh)
-{
-
+ckh_delete(tsd_t *tsd, ckh_t *ckh) {
assert(ckh != NULL);
#ifdef CKH_VERBOSE
malloc_printf(
- "%s(%p): ngrows: %"PRIu64", nshrinks: %"PRIu64","
- " nshrinkfails: %"PRIu64", ninserts: %"PRIu64","
- " nrelocs: %"PRIu64"\n", __func__, ckh,
+ "%s(%p): ngrows: %"FMTu64", nshrinks: %"FMTu64","
+ " nshrinkfails: %"FMTu64", ninserts: %"FMTu64","
+ " nrelocs: %"FMTu64"\n", __func__, ckh,
(unsigned long long)ckh->ngrows,
(unsigned long long)ckh->nshrinks,
(unsigned long long)ckh->nshrinkfails,
@@ -417,43 +428,42 @@ ckh_delete(ckh_t *ckh)
(unsigned long long)ckh->nrelocs);
#endif
- idalloc(ckh->tab);
- if (config_debug)
- memset(ckh, 0x5a, sizeof(ckh_t));
+ idalloctm(tsd_tsdn(tsd), ckh->tab, NULL, NULL, true, true);
+ if (config_debug) {
+ memset(ckh, JEMALLOC_FREE_JUNK, sizeof(ckh_t));
+ }
}
size_t
-ckh_count(ckh_t *ckh)
-{
-
+ckh_count(ckh_t *ckh) {
assert(ckh != NULL);
- return (ckh->count);
+ return ckh->count;
}
bool
-ckh_iter(ckh_t *ckh, size_t *tabind, void **key, void **data)
-{
+ckh_iter(ckh_t *ckh, size_t *tabind, void **key, void **data) {
size_t i, ncells;
for (i = *tabind, ncells = (ZU(1) << (ckh->lg_curbuckets +
LG_CKH_BUCKET_CELLS)); i < ncells; i++) {
if (ckh->tab[i].key != NULL) {
- if (key != NULL)
+ if (key != NULL) {
*key = (void *)ckh->tab[i].key;
- if (data != NULL)
+ }
+ if (data != NULL) {
*data = (void *)ckh->tab[i].data;
+ }
*tabind = i + 1;
- return (false);
+ return false;
}
}
- return (true);
+ return true;
}
bool
-ckh_insert(ckh_t *ckh, const void *key, const void *data)
-{
+ckh_insert(tsd_t *tsd, ckh_t *ckh, const void *key, const void *data) {
bool ret;
assert(ckh != NULL);
@@ -464,7 +474,7 @@ ckh_insert(ckh_t *ckh, const void *key, const void *data)
#endif
while (ckh_try_insert(ckh, &key, &data)) {
- if (ckh_grow(ckh)) {
+ if (ckh_grow(tsd, ckh)) {
ret = true;
goto label_return;
}
@@ -472,22 +482,24 @@ ckh_insert(ckh_t *ckh, const void *key, const void *data)
ret = false;
label_return:
- return (ret);
+ return ret;
}
bool
-ckh_remove(ckh_t *ckh, const void *searchkey, void **key, void **data)
-{
+ckh_remove(tsd_t *tsd, ckh_t *ckh, const void *searchkey, void **key,
+ void **data) {
size_t cell;
assert(ckh != NULL);
cell = ckh_isearch(ckh, searchkey);
if (cell != SIZE_T_MAX) {
- if (key != NULL)
+ if (key != NULL) {
*key = (void *)ckh->tab[cell].key;
- if (data != NULL)
+ }
+ if (data != NULL) {
*data = (void *)ckh->tab[cell].data;
+ }
ckh->tab[cell].key = NULL;
ckh->tab[cell].data = NULL; /* Not necessary. */
@@ -497,54 +509,50 @@ ckh_remove(ckh_t *ckh, const void *searchkey, void **key, void **data)
+ LG_CKH_BUCKET_CELLS - 2)) && ckh->lg_curbuckets
> ckh->lg_minbuckets) {
/* Ignore error due to OOM. */
- ckh_shrink(ckh);
+ ckh_shrink(tsd, ckh);
}
- return (false);
+ return false;
}
- return (true);
+ return true;
}
bool
-ckh_search(ckh_t *ckh, const void *searchkey, void **key, void **data)
-{
+ckh_search(ckh_t *ckh, const void *searchkey, void **key, void **data) {
size_t cell;
assert(ckh != NULL);
cell = ckh_isearch(ckh, searchkey);
if (cell != SIZE_T_MAX) {
- if (key != NULL)
+ if (key != NULL) {
*key = (void *)ckh->tab[cell].key;
- if (data != NULL)
+ }
+ if (data != NULL) {
*data = (void *)ckh->tab[cell].data;
- return (false);
+ }
+ return false;
}
- return (true);
+ return true;
}
void
-ckh_string_hash(const void *key, size_t r_hash[2])
-{
-
+ckh_string_hash(const void *key, size_t r_hash[2]) {
hash(key, strlen((const char *)key), 0x94122f33U, r_hash);
}
bool
-ckh_string_keycomp(const void *k1, const void *k2)
-{
-
- assert(k1 != NULL);
- assert(k2 != NULL);
+ckh_string_keycomp(const void *k1, const void *k2) {
+ assert(k1 != NULL);
+ assert(k2 != NULL);
- return (strcmp((char *)k1, (char *)k2) ? false : true);
+ return !strcmp((char *)k1, (char *)k2);
}
void
-ckh_pointer_hash(const void *key, size_t r_hash[2])
-{
+ckh_pointer_hash(const void *key, size_t r_hash[2]) {
union {
const void *v;
size_t i;
@@ -556,8 +564,6 @@ ckh_pointer_hash(const void *key, size_t r_hash[2])
}
bool
-ckh_pointer_keycomp(const void *k1, const void *k2)
-{
-
- return ((k1 == k2) ? true : false);
+ckh_pointer_keycomp(const void *k1, const void *k2) {
+ return (k1 == k2);
}