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Use more compact representation for packed arrays.

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- for packed arrays we store just an array of zvals without keys.
- the elements of packed array are accessible throuf as ht->arPacked[i]
  instead of ht->arData[i]
- in addition to general ZEND_HASH_FOREACH_* macros, we introduced similar
  familied for packed (ZEND_HASH_PACKED_FORECH_*) and real hashes
  (ZEND_HASH_MAP_FOREACH_*)
- introduced an additional family of macros to access elements of array
  (packed or real hashes) ZEND_ARRAY_ELEMET_SIZE, ZEND_ARRAY_ELEMET_EX,
  ZEND_ARRAY_ELEMET, ZEND_ARRAY_NEXT_ELEMENT, ZEND_ARRAY_PREV_ELEMENT
- zend_hash_minmax() prototype was changed to compare only values

Because of smaller data set, this patch may show performance improvement
on some apps and benchmarks that use packed arrays. (~1% on PHP-Parser)

TODO:
    - sapi/phpdbg needs special support for packed arrays (WATCH_ON_BUCKET).
    - zend_hash_sort_ex() may require converting packed arrays to hash.
This commit is contained in:
Dmitry Stogov 2021-11-03 15:18:26 +03:00
parent 0eb603e3bb
commit 90b7bde615
89 changed files with 3302 additions and 1664 deletions
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2
ext/mysqlnd/mysqlnd_plugin.c
View file

@ -167,7 +167,7 @@ PHPAPI void mysqlnd_plugin_apply_with_argument(apply_func_arg_t apply_func, void
zval *val;
int result;
ZEND_HASH_FOREACH_VAL(&mysqlnd_registered_plugins, val) {
ZEND_HASH_MAP_FOREACH_VAL(&mysqlnd_registered_plugins, val) {
result = apply_func(val, argument);
if (result & ZEND_HASH_APPLY_REMOVE) {
php_error_docref(NULL, E_WARNING, "mysqlnd_plugin_apply_with_argument must not remove table entries");