Inline Caches: How V8 Remembers Where a Property Lives
V8’s inline caches remember a map and a bit-packed Smi handler per site, and fall back to a hashed two-level stub cache once a site goes megamorphic.
V8’s inline caches remember a map and a bit-packed Smi handler per site, and fall back to a hashed two-level stub cache once a site goes megamorphic.