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nodejs/benchmark/buffers/buffer_zero.js
Jackson Tian afd821a91d buffer: faster case for create buffer from empty string
When create Buffer from empty string will touch
C++ binding also.

This patch can improve edge case ~70% faster.

PR-URL: https://github.com/nodejs/node/pull/4414
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
2016-03-27 09:14:48 -07:00

24 lines
479 B
JavaScript

'use strict';
const common = require('../common.js');
const bench = common.createBenchmark(main, {
n: [1024],
type: ['buffer', 'string']
});
const zeroBuffer = Buffer.alloc(0);
const zeroString = '';
function main(conf) {
var n = +conf.n;
bench.start();
if (conf.type === 'buffer')
for (let i = 0; i < n * 1024; i++) Buffer.from(zeroBuffer);
else if (conf.type === 'string')
for (let i = 0; i < n * 1024; i++) Buffer.from(zeroString);
bench.end(n);
}