buffer: improve Buffer.equals performance

PR-URL: #50621 Refs: #50620 Reviewed-By: Antoine du Hamel <[email protected]> Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Debadree Chatterjee <[email protected]> Reviewed-By: Darshan Sen <[email protected]>
nodejs · Nov 14, 2023 · 3bedaf9 · 3bedaf9
1 parent 52b517f
commit 3bedaf9
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/lib/buffer.js b/lib/buffer.js
@@ -860,11 +860,11 @@ Buffer.prototype.equals = function equals(otherBuffer) {
 
   if (this === otherBuffer)
     return true;
-
-  if (this.byteLength !== otherBuffer.byteLength)
+  const len = TypedArrayPrototypeGetByteLength(this);
+  if (len !== TypedArrayPrototypeGetByteLength(otherBuffer))
     return false;
 
-  return this.byteLength === 0 || _compare(this, otherBuffer) === 0;
+  return len === 0 || _compare(this, otherBuffer) === 0;
 };
 
 let INSPECT_MAX_BYTES = 50;