node/benchmark/buffers/buffer-equals.js
Brian White f0c8898fb5 buffer: improve equals() performance
PR-URL: https://github.com/nodejs/node/pull/29199
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2019-08-21 21:42:21 -07:00

23 lines
472 B
JavaScript

'use strict';
const common = require('../common.js');
const bench = common.createBenchmark(main, {
size: [0, 512, 16386],
difflen: ['true', 'false'],
n: [1e6]
});
function main({ n, size, difflen }) {
const b0 = Buffer.alloc(size, 'a');
const b1 = Buffer.alloc(size + (difflen === 'true' ? 1 : 0), 'a');
if (b1.length > 0)
b1[b1.length - 1] = 'b'.charCodeAt(0);
bench.start();
for (let i = 0; i < n; i++) {
b0.equals(b1);
}
bench.end(n);
}