Commit 90c660d
benchmark: add require-esm benchmark
PR-URL: #52166
Refs: #52134
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>1 parent d0e6f91 commit 90c660d
1 file changed
Lines changed: 79 additions & 0 deletions
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
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| 1 | + 'use strict'; | ||
| 2 | + | ||
| 3 | + const common = require('../common'); | ||
| 4 | + const fs = require('fs'); | ||
| 5 | + const tmpdir = require('../../test/common/tmpdir'); | ||
| 6 | + const path = require('path'); | ||
| 7 | + const assert = require('assert'); | ||
| 8 | + | ||
| 9 | + const bench = common.createBenchmark(main, { | ||
| 10 | + type: ['all', 'access', 'load'], | ||
| 11 | + exports: ['default', 'named'], | ||
| 12 | + n: [1000], | ||
| 13 | + }, { | ||
| 14 | + flags: ['--experimental-require-module', '--no-warnings'], | ||
| 15 | + }); | ||
| 16 | + | ||
| 17 | + function prepare(count, useDefault) { | ||
| 18 | + tmpdir.refresh(); | ||
| 19 | + const dir = tmpdir.resolve('modules'); | ||
| 20 | + fs.mkdirSync(dir, { recursive: true }); | ||
| 21 | + let mainSource = ''; | ||
| 22 | + let useSource = 'exports.access = function() { return 0'; | ||
| 23 | + for (let i = 0; i < count; ++i) { | ||
| 24 | + let modSource = `const value${i} = 1;\n`; | ||
| 25 | + if (useDefault) { | ||
| 26 | + modSource += `export default { value${i} }\n`; | ||
| 27 | + } else { | ||
| 28 | + modSource += `export { value${i} };\n`; | ||
| 29 | + } | ||
| 30 | + const filename = `mod${i}.mjs`; | ||
| 31 | + fs.writeFileSync( | ||
| 32 | + path.resolve(dir, filename), | ||
| 33 | + modSource, | ||
| 34 | + 'utf8', | ||
| 35 | + ); | ||
| 36 | + mainSource += `const mod${i} = require('./modules/${filename}');\n`; | ||
| 37 | + if (useDefault) { | ||
| 38 | + useSource += ` + mod${i}.default.value${i}`; | ||
| 39 | + } else { | ||
| 40 | + useSource += ` + mod${i}.value${i}`; | ||
| 41 | + } | ||
| 42 | + } | ||
| 43 | + useSource += '; };\n'; | ||
| 44 | + const script = tmpdir.resolve('main.js'); | ||
| 45 | + fs.writeFileSync(script, mainSource + useSource, 'utf8'); | ||
| 46 | + return script; | ||
| 47 | + } | ||
| 48 | + | ||
| 49 | + function main({ n, exports, type }) { | ||
| 50 | + const script = prepare(n, exports === 'default'); | ||
| 51 | + switch (type) { | ||
| 52 | + case 'all': { | ||
| 53 | + bench.start(); | ||
| 54 | + const result = require(script).access(); | ||
| 55 | + bench.end(n); | ||
| 56 | + assert.strictEqual(result, n); | ||
| 57 | + break; | ||
| 58 | + } | ||
| 59 | + case 'access': { | ||
| 60 | + const { access } = require(script); | ||
| 61 | + bench.start(); | ||
| 62 | + let result = access(); | ||
| 63 | + for (let i = 0; i < 99; ++i) { | ||
| 64 | + result = access(); | ||
| 65 | + } | ||
| 66 | + bench.end(n * 100); | ||
| 67 | + assert.strictEqual(result, n); | ||
| 68 | + break; | ||
| 69 | + } | ||
| 70 | + case 'load': { | ||
| 71 | + bench.start(); | ||
| 72 | + const { access } = require(script); | ||
| 73 | + bench.end(n); | ||
| 74 | + const result = access(); | ||
| 75 | + assert.strictEqual(result, n); | ||
| 76 | + break; | ||
| 77 | + } | ||
| 78 | + } | ||
| 79 | + } | ||
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