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benchmark/fs/bench-accessSync.js
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Rafael Gonzaga
benchmark: add access async version to bench
05 сен 2024, 23:56
Не верифицирован
05 сен 2024, 23:56
9441ce1
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'use strict'; const common = require('../common'); const fs = require('fs'); const tmpdir = require('../../test/common/tmpdir'); tmpdir.refresh(); const tmpfile = tmpdir.resolve(`.existing-file-${process.pid}`); fs.writeFileSync(tmpfile, 'this-is-for-a-benchmark', 'utf8'); const bench = common.createBenchmark(main, { type: ['existing', 'non-existing', 'non-flat-existing'], method: ['access', 'accessSync'], n: [1e5], }); function runBench(n, path) { for (let i = 0; i < n; i++) { try { fs.accessSync(path); } catch { // do nothing } } } function runAsyncBench(n, path) { (function r(cntr, path) { if (cntr-- <= 0) return bench.end(n); fs.access(path, () => { r(cntr, path); }); })(n, path); } function main({ n, type, method }) { let path; switch (type) { case 'existing': path = __filename; break; case 'non-flat-existing': path = tmpfile; break; case 'non-existing': path = tmpdir.resolve(`.non-existing-file-${process.pid}`); break; default: new Error('Invalid type'); } if (method === 'access') { // Warmup the filesystem - it doesn't need to use the async method runBench(n, path); bench.start(); runAsyncBench(n, path); } else { // warmup runBench(n, path); bench.start(); runBench(n, path); bench.end(n); } }