'use strict'; const common = require('../common.js'); const bench = common.createBenchmark(main, { extraSize: [1, 256, 4 * 256], n: [8e5] }); function main({ n, extraSize }) { const pieces = 4; const pieceSize = 256; const list = Array.from({ length: pieces }) .fill(Buffer.allocUnsafe(pieceSize)); const totalLength = (pieces * pieceSize) + extraSize; bench.start(); for (let i = 0; i < n; i++) { Buffer.concat(list, totalLength); } bench.end(n); }