'use strict'; const common = require('../common.js'); const bench = common.createBenchmark(main, { pieces: [4, 16], pieceSize: [1, 16, 256], withTotalLength: [0, 1], n: [8e5] }); function main({ n, pieces, pieceSize, withTotalLength }) { const list = Array.from({ length: pieces }) .fill(Buffer.allocUnsafe(pieceSize)); const totalLength = withTotalLength ? pieces * pieceSize : undefined; bench.start(); for (let i = 0; i < n; i++) { Buffer.concat(list, totalLength); } bench.end(n); }