Commit 5e374e9
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -0,0 +1,84 @@ | |||
| 1 | + 'use strict'; | ||
| 2 | + | ||
| 3 | + const vm = require('vm'); | ||
| 4 | + const common = require('../common.js'); | ||
| 5 | + const assert = require('assert'); | ||
| 6 | + | ||
| 7 | + const bench = common.createBenchmark(main, { | ||
| 8 | + stage: ['all', 'compile', 'link', 'instantiate', 'evaluate'], | ||
| 9 | + type: ['sync', 'async'], | ||
| 10 | + n: [1000], | ||
| 11 | + }, { | ||
| 12 | + flags: ['--experimental-vm-modules'], | ||
| 13 | + }); | ||
| 14 | + | ||
| 15 | + function main({ stage, type, n }) { | ||
| 16 | + const arr = []; | ||
| 17 | + if (stage === 'all' || stage === 'compile') { | ||
| 18 | + bench.start(); | ||
| 19 | + } | ||
| 20 | + | ||
| 21 | + for (let i = 0; i < n; i++) { | ||
| 22 | + let source = `export const value${i} = 1;`; | ||
| 23 | + if (type === 'async') { | ||
| 24 | + source += `\nawait Promise.resolve();\n`; | ||
| 25 | + } | ||
| 26 | + const m = new vm.SourceTextModule(source); | ||
| 27 | + arr.push(m); | ||
| 28 | + } | ||
| 29 | + | ||
| 30 | + if (stage === 'compile') { | ||
| 31 | + bench.end(n); | ||
| 32 | + return; | ||
| 33 | + } | ||
| 34 | + | ||
| 35 | + if (stage === 'link') { | ||
| 36 | + bench.start(); | ||
| 37 | + } | ||
| 38 | + | ||
| 39 | + for (let i = 0; i < n; i++) { | ||
| 40 | + arr[i].linkRequests([]); | ||
| 41 | + } | ||
| 42 | + | ||
| 43 | + if (stage === 'link') { | ||
| 44 | + bench.end(n); | ||
| 45 | + return; | ||
| 46 | + } | ||
| 47 | + | ||
| 48 | + if (stage === 'instantiate') { | ||
| 49 | + bench.start(); | ||
| 50 | + } | ||
| 51 | + | ||
| 52 | + for (let i = 0; i < n; i++) { | ||
| 53 | + arr[i].instantiate(); | ||
| 54 | + } | ||
| 55 | + | ||
| 56 | + if (stage === 'instantiate') { | ||
| 57 | + bench.end(n); | ||
| 58 | + return; | ||
| 59 | + } | ||
| 60 | + | ||
| 61 | + if (stage === 'evaluate') { | ||
| 62 | + bench.start(); | ||
| 63 | + } | ||
| 64 | + | ||
| 65 | + function finalize() { | ||
| 66 | + bench.end(n); | ||
| 67 | + for (let i = 0; i < n; i++) { | ||
| 68 | + assert.strictEqual(arr[i].namespace[`value${i}`], 1); | ||
| 69 | + } | ||
| 70 | + } | ||
| 71 | + | ||
| 72 | + if (type === 'sync') { | ||
| 73 | + for (let i = 0; i < n; i++) { | ||
| 74 | + arr[i].evaluate(); | ||
| 75 | + } | ||
| 76 | + finalize(); | ||
| 77 | + } else { | ||
| 78 | + const promises = []; | ||
| 79 | + for (let i = 0; i < n; i++) { | ||
| 80 | + promises.push(arr[i].evaluate()); | ||
| 81 | + } | ||
| 82 | + Promise.all(promises).then(finalize); | ||
| 83 | + } | ||
| 84 | + } | ||
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