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nodejs/benchmark/fs/bench-existsSync.js
Yagiz Nizipli 7e12d0e16d
fs: improve error performance of sync methods
PR-URL: https://github.com/nodejs/node/pull/49593
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
2023-09-17 20:42:46 +00:00

39 lines
833 B
JavaScript

'use strict';
const common = require('../common');
const fs = require('fs');
const tmpdir = require('../../test/common/tmpdir');
tmpdir.refresh();
const tmpfile = tmpdir.resolve(`.existing-file-${process.pid}`);
fs.writeFileSync(tmpfile, 'this-is-for-a-benchmark', 'utf8');
const bench = common.createBenchmark(main, {
type: ['existing', 'non-existing', 'non-flat-existing'],
n: [1e6],
});
function main({ n, type }) {
let path;
switch (type) {
case 'existing':
path = __filename;
break;
case 'non-flat-existing':
path = tmpfile;
break;
case 'non-existing':
path = tmpdir.resolve(`.non-existing-file-${process.pid}`);
break;
default:
new Error('Invalid type');
}
bench.start();
for (let i = 0; i < n; i++) {
fs.existsSync(path);
}
bench.end(n);
}