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use kh_put2 in mrb_hash_set for performance improvement

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Yukihiro "Matz" Matsumoto
2014-04-13 18:26:13 +09:00
parent 6d6ae570cb
commit 8d95e5a0de
1 changed files with 6 additions and 4 deletions
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src/hash.c
+6 -4
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@@ -204,21 +204,23 @@ mrb_hash_set(mrb_state *mrb, mrb_value hash, mrb_value key, mrb_value val)
{
khash_t(ht) *h;
khiter_t k;
int r;
mrb_hash_modify(mrb, hash);
h = RHASH_TBL(hash);
if (!h) h = RHASH_TBL(hash) = kh_init(ht, mrb);
k = kh_get(ht, mrb, h, key);
if (k == kh_end(h)) {
k = kh_put2(ht, mrb, h, key, &r);
kh_value(h, k).v = val;
if (r != 0) {
/* expand */
int ai = mrb_gc_arena_save(mrb);
k = kh_put(ht, mrb, h, KEY(key));
kh_key(h, k) = KEY(key);
mrb_gc_arena_restore(mrb, ai);
kh_value(h, k).n = kh_size(h)-1;
}
kh_value(h, k).v = val;
mrb_write_barrier(mrb, (struct RBasic*)RHASH(hash));
return;
}