nodejs
diff --git a/‎benchmark/util/text-decoder-stream.js‎
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+'use strict';
+
+const common = require('../common.js');
+
+const bench = common.createBenchmark(main, {
+  encoding: ['utf-8', 'utf-16le'],
+  ignoreBOM: [0, 1],
+  fatal: [0, 1],
+  unicode: [0, 1],
+  len: [256, 1024 * 16, 1024 * 128],
+  chunks: [10],
+  n: [1e3],
+  type: ['SharedArrayBuffer', 'ArrayBuffer', 'Buffer'],
+});
+
+const UNICODE_ALPHA = 'Blåbærsyltetøy';
+const ASCII_ALPHA = 'Blueberry jam';
+
+function main({ encoding, len, unicode, chunks, n, ignoreBOM, type, fatal }) {
+  const decoder = new TextDecoder(encoding, { ignoreBOM, fatal });
+  let buf;
+
+  const fill = Buffer.from(unicode ? UNICODE_ALPHA : ASCII_ALPHA, encoding);
+
+  switch (type) {
+    case 'SharedArrayBuffer': {
+      buf = new SharedArrayBuffer(len);
+      Buffer.from(buf).fill(fill);
+      break;
+    }
+    case 'ArrayBuffer': {
+      buf = new ArrayBuffer(len);
+      Buffer.from(buf).fill(fill);
+      break;
+    }
+    case 'Buffer': {
+      buf = Buffer.alloc(len, fill);
+      break;
+    }
+  }
+
+  const chunk = Math.ceil(len / chunks);
+  const max = len - chunk;
+  bench.start();
+  for (let i = 0; i < n; i++) {
+    let pos = 0;
+    while (pos < max) {
+      decoder.decode(buf.slice(pos, pos + chunk), { stream: true });
+      pos += chunk;
+    }
+
+    decoder.decode(buf.slice(pos));
+  }
+  bench.end(n);
+}