4c7a2f187cAdd more benchmark options to properly verify the gains. This makes sure the benchmark also tests requiring the same module again instead of only loading each module only once. PR-URL: https://github.com/nodejs/node/pull/26970 Refs: https://github.com/nodejs/node/pull/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>
60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
'use strict';
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const fs = require('fs');
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const path = require('path');
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const { builtinModules } = require('module');
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const common = require('../common.js');
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const tmpdir = require('../../test/common/tmpdir');
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let benchmarkDirectory = path.join(tmpdir.path, 'nodejs-benchmark-module');
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// Filter all irregular modules.
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const otherModules = builtinModules.filter((name) => !/\/|^_|^sys/.test(name));
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const bench = common.createBenchmark(main, {
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name: ['', '/', '/index.js'],
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dir: ['rel', 'abs'],
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files: [5e2],
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n: [1, 1e3],
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cache: ['true', 'false']
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});
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function main({ n, name, cache, files, dir }) {
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tmpdir.refresh();
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fs.mkdirSync(benchmarkDirectory);
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for (var i = 0; i <= files; i++) {
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fs.mkdirSync(`${benchmarkDirectory}${i}`);
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fs.writeFileSync(
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`${benchmarkDirectory}${i}/package.json`,
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'{"main": "index.js"}'
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);
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fs.writeFileSync(
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`${benchmarkDirectory}${i}/index.js`,
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'module.exports = "";'
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);
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}
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if (dir === 'rel')
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benchmarkDirectory = path.relative(__dirname, benchmarkDirectory);
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measureDir(n, cache === 'true', files, name);
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tmpdir.refresh();
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}
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function measureDir(n, cache, files, name) {
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var i;
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if (cache) {
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for (i = 0; i <= files; i++) {
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require(`${benchmarkDirectory}${i}${name}`);
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}
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}
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bench.start();
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for (i = 0; i <= files; i++) {
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for (var j = 0; j < n; j++)
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require(`${benchmarkDirectory}${i}${name}`);
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// Pretend mixed input (otherwise the results are less representative due to
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// highly specialized code).
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require(otherModules[i % otherModules.length]);
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}
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bench.end(n * files);
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}
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