diff --git a/benchmark/module/module-loader-deep.js b/benchmark/module/module-loader-deep.js new file mode 100644 index 00000000000000..f686b8df47dfba --- /dev/null +++ b/benchmark/module/module-loader-deep.js @@ -0,0 +1,51 @@ +'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); +}