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| const assert = require("assert"); | |
| class V { | |
| constructor(v) { | |
| this.v = v; | |
| } | |
| } | |
| suite("fn-create-overhead", () => { | |
| const { N = 100000 } = require("./conf"); | |
| before(() => {}); | |
| bench("arrow", () => { | |
| let i = -1; | |
| let v = null; | |
| while (++i < N) { | |
| const vv = v; | |
| v = () => vv + 1; | |
| } | |
| }); | |
| bench("function", () => { | |
| let i = -1; | |
| let v = null; | |
| while (++i < N) { | |
| const vv = v; | |
| v = function() { | |
| return vv + 1; | |
| }; | |
| } | |
| }); | |
| bench("object", () => { | |
| let i = -1; | |
| let v = null; | |
| while (++i < N) v = { v }; | |
| }); | |
| bench("class", () => { | |
| let i = -1; | |
| let v = null; | |
| while (++i < N) v = new V(v); | |
| }); | |
| bench("inlined class", () => { | |
| let i = -1; | |
| let v = null; | |
| class InlinedV { | |
| constructor(v) { | |
| this.v = v; | |
| } | |
| } | |
| while (++i < N) v = new InlinedV(v); | |
| }); | |
| }); |
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| fn-create-overhead | |
| arrow .......................................... 112 op/s | |
| function ....................................... 145 op/s | |
| object ......................................... 1,082 op/s | |
| class .......................................... 1,067 op/s | |
| inlined class .................................. 300 op/s | |
| Suites: 1 | |
| Benches: 5 | |
| Elapsed: 4,133.61 ms |
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| let N; | |
| if (process.env.BENCH_N) N = process.env.BENCH_N; | |
| if (process.env.TEST) { | |
| set('type', 'static'); | |
| set('iterations', 1); | |
| N = 1; | |
| } | |
| module.exports = { | |
| N | |
| }; |
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| { | |
| "name": "bench-fn-create-overhead", | |
| "version": "1.0.0", | |
| "lockfileVersion": 1, | |
| "requires": true, | |
| "dependencies": { | |
| "drip": { | |
| "version": "1.1.0", | |
| "resolved": "https://registry.npmjs.org/drip/-/drip-1.1.0.tgz", | |
| "integrity": "sha1-zO+x5obYb8EVtwyewSb4+HG9/X4=", | |
| "dev": true, | |
| "requires": { | |
| "tea-concat": "0.1.0" | |
| } | |
| }, | |
| "electron": { | |
| "version": "0.4.1", | |
| "resolved": "https://registry.npmjs.org/electron/-/electron-0.4.1.tgz", | |
| "integrity": "sha1-p4oFGniC9OVC1uIH2KGnMHazAUQ=", | |
| "dev": true, | |
| "requires": { | |
| "drip": "1.1.x" | |
| } | |
| }, | |
| "matcha": { | |
| "version": "0.7.0", | |
| "resolved": "https://registry.npmjs.org/matcha/-/matcha-0.7.0.tgz", | |
| "integrity": "sha1-E/gFQJs3vlcDLIRYZDvxUjumjdo=", | |
| "dev": true, | |
| "requires": { | |
| "electron": "0.4.x", | |
| "v8-argv": "0.1.x" | |
| } | |
| }, | |
| "tea-concat": { | |
| "version": "0.1.0", | |
| "resolved": "https://registry.npmjs.org/tea-concat/-/tea-concat-0.1.0.tgz", | |
| "integrity": "sha1-6i6QdAD914pjNM4CD6PGlQLZnoQ=", | |
| "dev": true | |
| }, | |
| "v8-argv": { | |
| "version": "0.1.0", | |
| "resolved": "https://registry.npmjs.org/v8-argv/-/v8-argv-0.1.0.tgz", | |
| "integrity": "sha1-rfd3pS29w9qciclGXlntXzy22ak=", | |
| "dev": true | |
| } | |
| } | |
| } |
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| { | |
| "name": "bench-fn-create-overhead", | |
| "version": "1.0.0", | |
| "description": "", | |
| "main": "__bench-fn-create-overhead.js", | |
| "scripts": { | |
| "test": "TEST=1 npm run bench", | |
| "start": "npm run bench --silent | tee _results.txt", | |
| "bench": "matcha -R plain *.js" | |
| }, | |
| "keywords": [], | |
| "author": "", | |
| "license": "ISC", | |
| "devDependencies": { | |
| "matcha": "^0.7.0" | |
| } | |
| } |
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