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benchmark: add simple module-require benchmark
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zhangyongsheng
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Dec 30, 2020
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,80 @@ | ||
'use strict'; | ||
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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'); | ||
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const bench = common.createBenchmark(main, { | ||
type: ['.js', '.json', 'dir'], | ||
n: [1e4], | ||
}); | ||
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function main({ type, n }) { | ||
tmpdir.refresh(); | ||
createEntryPoint(n); | ||
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switch (type) { | ||
case '.js': | ||
measureJSFile(n); | ||
break; | ||
case '.json': | ||
measureJSONFile(n); | ||
break; | ||
case 'dir': | ||
measureDir(n); | ||
} | ||
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tmpdir.refresh(); | ||
} | ||
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function measureJSFile(n) { | ||
bench.start(); | ||
for (let i = 0; i < n; i++) { | ||
require(`${benchmarkDirectory}/${i}`); | ||
} | ||
bench.end(n); | ||
} | ||
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function measureJSONFile(n) { | ||
bench.start(); | ||
for (let i = 0; i < n; i++) { | ||
require(`${benchmarkDirectory}/json_${i}.json`); | ||
} | ||
bench.end(n); | ||
} | ||
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function measureDir(n) { | ||
bench.start(); | ||
for (let i = 0; i < n; i++) { | ||
require(`${benchmarkDirectory}${i}`); | ||
} | ||
bench.end(n); | ||
} | ||
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function createEntryPoint(n) { | ||
fs.mkdirSync(benchmarkDirectory); | ||
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const JSFileContent = 'module.exports = [];'; | ||
const JSONFileContent = '[]'; | ||
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for (let i = 0; i < n; i++) { | ||
// JS file. | ||
fs.writeFileSync(`${benchmarkDirectory}/${i}.js`, JSFileContent); | ||
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// JSON file. | ||
fs.writeFileSync(`${benchmarkDirectory}/json_${i}.json`, JSONFileContent); | ||
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// Dir. | ||
fs.mkdirSync(`${benchmarkDirectory}${i}`); | ||
fs.writeFileSync( | ||
`${benchmarkDirectory}${i}/package.json`, | ||
'{"main": "index.js"}' | ||
); | ||
fs.writeFileSync( | ||
`${benchmarkDirectory}${i}/index.js`, | ||
JSFileContent | ||
); | ||
} | ||
} |
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