node/benchmark/buffers/buffer-concat-fill.js
Brian White 2170259940 buffer: improve concat() performance
PR-URL: https://github.com/nodejs/node/pull/31522
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2020-01-28 19:57:20 -08:00

23 lines
483 B
JavaScript

'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);
}