MIRROR: javascript for 🐜's, a tiny runtime with big ambitions
PROP_CACHE fixes
+27
-3
+1
-1
meson.build
+1
-1
meson.build
···
74
74
build_date = run_command('date', '+%Y-%m-%d', check: true).stdout().strip()
75
75
76
76
version_conf = configuration_data()
77
-
version_conf.set('ANT_VERSION', '0.2.1.4')
77
+
version_conf.set('ANT_VERSION', '0.2.1.5')
78
78
version_conf.set('ANT_GIT_HASH', git_hash)
79
79
version_conf.set('ANT_BUILD_DATE', build_date)
80
80
+26
-2
src/ant.c
+26
-2
src/ant.c
···
234
234
static const char *INTERN_GET = NULL;
235
235
static const char *INTERN_SET = NULL;
236
236
237
+
#define INTERN_PROP_CACHE_SIZE 4096
238
+
typedef struct {
239
+
jsoff_t obj_off;
240
+
const char *intern_ptr;
241
+
jsoff_t prop_off;
242
+
} intern_prop_cache_entry_t;
243
+
static intern_prop_cache_entry_t intern_prop_cache[INTERN_PROP_CACHE_SIZE];
244
+
237
245
typedef struct map_entry {
238
246
char *key;
239
247
jsval_t value;
···
3998
4006
static inline jsoff_t lkp_interned(struct js *js, jsval_t obj, const char *search_intern, size_t len) {
3999
4007
jsoff_t obj_off = (jsoff_t)vdata(obj);
4000
4008
4009
+
uint32_t cache_slot = (((uintptr_t)search_intern >> 3) ^ obj_off) & (INTERN_PROP_CACHE_SIZE - 1);
4010
+
intern_prop_cache_entry_t *ce = &intern_prop_cache[cache_slot];
4011
+
if (ce->obj_off == obj_off && ce->intern_ptr == search_intern) {
4012
+
return ce->prop_off;
4013
+
}
4014
+
4001
4015
jsoff_t off = loadoff(js, obj_off) & ~(3U | CONSTMASK | ARRMASK);
4002
4016
while (off < js->brk && off != 0) {
4003
4017
jsoff_t koff = loadoff(js, (jsoff_t) (off + sizeof(off)));
···
4005
4019
if (klen == len) {
4006
4020
const char *stored_intern = get_koff_intern(koff);
4007
4021
if (stored_intern) {
4008
-
if (stored_intern == search_intern) return off;
4022
+
if (stored_intern == search_intern) {
4023
+
ce->obj_off = obj_off;
4024
+
ce->intern_ptr = search_intern;
4025
+
ce->prop_off = off;
4026
+
return off;
4027
+
}
4009
4028
} else {
4010
4029
const char *p = (char *) &js->mem[koff + sizeof(koff)];
4011
4030
const char *new_intern = intern_string(p, klen);
4012
4031
if (new_intern) set_koff_intern(koff, new_intern);
4013
-
if (new_intern == search_intern) return off;
4032
+
if (new_intern == search_intern) {
4033
+
ce->obj_off = obj_off;
4034
+
ce->intern_ptr = search_intern;
4035
+
ce->prop_off = off;
4036
+
return off;
4037
+
}
4014
4038
}
4015
4039
}
4016
4040
off = loadoff(js, off) & ~(3U | CONSTMASK | ARRMASK);