node/benchmark/fs/bench-statSync.js
Brian White c8d2ca7a78
fs: improve performance for sync stat() functions
PR-URL: https://github.com/nodejs/node/pull/11522
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
2017-03-08 17:11:23 -08:00

39 lines
761 B
JavaScript

'use strict';
const common = require('../common');
const fs = require('fs');
const bench = common.createBenchmark(main, {
n: [1e4],
kind: ['fstatSync', 'lstatSync', 'statSync']
});
function main(conf) {
const n = conf.n >>> 0;
var fn;
var i;
switch (conf.kind) {
case 'statSync':
case 'lstatSync':
fn = fs[conf.kind];
bench.start();
for (i = 0; i < n; i++) {
fn(__filename);
}
bench.end(n);
break;
case 'fstatSync':
fn = fs.fstatSync;
const fd = fs.openSync(__filename, 'r');
bench.start();
for (i = 0; i < n; i++) {
fn(fd);
}
bench.end(n);
fs.closeSync(fd);
break;
default:
throw new Error('Invalid kind argument');
}
}