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benchmark: add new module loading benchmarks
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PR-URL: #26970
Refs: #25362
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Signed-off-by: Beth Griggs <Bethany.Griggs@uk.ibm.com>
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BridgeAR authored and BethGriggs committed Apr 9, 2019
1 parent 32ec034 commit 09d6dfb
Showing 1 changed file with 51 additions and 0 deletions.
51 changes: 51 additions & 0 deletions benchmark/module/module-loader-deep.js
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'use strict';
const fs = require('fs');
const path = require('path');
const common = require('../common.js');

const tmpdir = require('../../test/common/tmpdir');
const benchmarkDirectory = path.join(tmpdir.path, 'nodejs-benchmark-module');

const bench = common.createBenchmark(main, {
ext: ['', '.js'],
files: [1e3],
cache: ['true', 'false']
});

function main({ ext, cache, files }) {
tmpdir.refresh();
fs.mkdirSync(benchmarkDirectory);
fs.writeFileSync(
`${benchmarkDirectory}/a.js`,
'module.exports = {};'
);
for (var i = 0; i <= files; i++) {
fs.mkdirSync(`${benchmarkDirectory}/${i}`);
fs.writeFileSync(
`${benchmarkDirectory}/${i}/package.json`,
'{"main": "index.js"}'
);
fs.writeFileSync(
`${benchmarkDirectory}/${i}/index.js`,
`require('../a${ext}');`
);
}

measureDir(cache === 'true', files);

tmpdir.refresh();
}

function measureDir(cache, files) {
var i;
if (cache) {
for (i = 0; i <= files; i++) {
require(`${benchmarkDirectory}/${i}`);
}
}
bench.start();
for (i = 0; i <= files; i++) {
require(`${benchmarkDirectory}/${i}`);
}
bench.end(files);
}

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