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[map] Downgrade from quadratic to linear probing

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This commit is contained in:
Behdad Esfahbod 2023-05-09 20:35:09 -06:00
parent 498197671a
commit 2dd0803c85
1 changed files with 1 additions and 2 deletions
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3
src/hb-map.hh
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@ -400,7 +400,6 @@ struct hb_hashmap_t
{
hash &= 0x3FFFFFFF; // We only store lower 30bit of hash
unsigned int i = hash % prime;
unsigned int step = 0;
unsigned int tombstone = (unsigned) -1;
while (items[i].is_used ())
{
@ -409,7 +408,7 @@ struct hb_hashmap_t
return items[i];
if (tombstone == (unsigned) -1 && items[i].is_tombstone ())
tombstone = i;
i = (i + ++step) & mask;
i = (i + 1) & mask;
}
return items[tombstone == (unsigned) -1 ? i : tombstone];
}