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| // !!! NOTE !!! | |
| // This is *not* meant to be a comparison to show which library is | |
| // universally faster. In fact, it is quite likely that faker and | |
| // chance have functions that perform better than the equivalents in | |
| // fictional. The 'seed each' benchmarks below are probably also | |
| // misuse of faker and chance. The intention of these benchmarks was | |
| // to investigate and show why seeding as a way of mapping | |
| // identifiers to generated values isn't viable, and why hashing is a | |
| // promising solution | |
| const Benchmark = require("benchmark"); | |
| const faker = require("faker"); | |
| const Chance = require("chance"); | |
| const f = require("fictional"); | |
| displayIntro(); | |
| const N = 1000; | |
| const chance = new Chance(23); | |
| faker.seed(23); | |
| new Benchmark.Suite("fictional-faker-chance-seeding", { | |
| onComplete(e) { | |
| this.map((bench) => | |
| console.log( | |
| JSON.stringify({ | |
| name: bench.name, | |
| hz: bench.hz.toFixed(2), | |
| relativeMarginOfError: `${bench.stats.rme.toFixed(2)}%`, | |
| runs: bench.stats.sample.length, | |
| }) | |
| ) | |
| ); | |
| }, | |
| onError(e) { | |
| console.error(e.target.error); | |
| }, | |
| }) | |
| .add("chance: seeded", () => { | |
| let i = -1; | |
| while (++i < N) chance.integer(); | |
| }) | |
| .add("chance: seed each", () => { | |
| let i = -1; | |
| while (++i < N) new Chance(23).integer(); | |
| }) | |
| .add("faker: seeded", () => { | |
| let i = -1; | |
| while (++i < N) faker.random.number(); | |
| }) | |
| .add("faker: seed each", () => { | |
| let i = -1; | |
| while (++i < N) { | |
| faker.seed(23); | |
| faker.random.number(); | |
| } | |
| }) | |
| .add("fictional", () => { | |
| let i = -1; | |
| while (++i < N) f.int(23); | |
| }) | |
| .run(); | |
| function displayIntro() { | |
| console.log(JSON.stringify({ nodeVersion: process.version })); | |
| } |
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| {"nodeVersion":"v12.16.2"} | |
| {"name":"chance: seeded","hz":"413.03","relativeMarginOfError":"100.44%","runs":51} | |
| {"name":"chance: seed each","hz":"13.99","relativeMarginOfError":"4.60%","runs":26} | |
| {"name":"faker: seeded","hz":"1936.07","relativeMarginOfError":"13.73%","runs":35} | |
| {"name":"faker: seed each","hz":"1.17","relativeMarginOfError":"2.07%","runs":7} | |
| {"name":"fictional","hz":"4099.55","relativeMarginOfError":"4.85%","runs":56} |
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| { | |
| "name": "bench-fictional-faker-chance-seeding", | |
| "version": "1.0.0", | |
| "description": "", | |
| "main": "_bench-fictional-faker-chance-seeding.js", | |
| "scripts": { | |
| "test": "echo \"Error: no test specified\" && exit 1", | |
| "bench": "node _bench-fictional-faker-chance-seeding.js | tee _results.ldjson" | |
| }, | |
| "keywords": [], | |
| "author": "", | |
| "license": "ISC", | |
| "dependencies": { | |
| "benchmark": "^2.1.4", | |
| "chance": "^1.1.4", | |
| "faker": "^4.1.0", | |
| "fictional": "^0.4.0" | |
| } | |
| } |
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| # THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY. | |
| # yarn lockfile v1 | |
| benchmark@^2.1.4: | |
| version "2.1.4" | |
| resolved "https://registry.yarnpkg.com/benchmark/-/benchmark-2.1.4.tgz#09f3de31c916425d498cc2ee565a0ebf3c2a5629" | |
| integrity sha1-CfPeMckWQl1JjMLuVloOvzwqVik= | |
| dependencies: | |
| lodash "^4.17.4" | |
| platform "^1.3.3" | |
| chance@^1.1.4: | |
| version "1.1.4" | |
| resolved "https://registry.yarnpkg.com/chance/-/chance-1.1.4.tgz#d8743bf8e40bb05e024c305ca1ff441195eb23db" | |
| integrity sha512-pXPDSu3knKlb6H7ahQfpq//J9mSOxYK8SMtp8MV/nRJh8aLRDIl0ipLH8At8+nVogVwtvPZzyIzY/EbcY/cLuQ== | |
| faker@^4.1.0: | |
| version "4.1.0" | |
| resolved "https://registry.yarnpkg.com/faker/-/faker-4.1.0.tgz#1e45bbbecc6774b3c195fad2835109c6d748cc3f" | |
| integrity sha1-HkW7vsxndLPBlfrSg1EJxtdIzD8= | |
| fast-json-stable-stringify@^2.1.0: | |
| version "2.1.0" | |
| resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633" | |
| integrity sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw== | |
| fictional@^0.4.0: | |
| version "0.4.0" | |
| resolved "https://registry.yarnpkg.com/fictional/-/fictional-0.4.0.tgz#ff00dd65852d810c68477a8034654fb97f730d1c" | |
| integrity sha512-d8+QeOhLdj+lE17Lx7dAv6/LKM4ZgoAEw7byhWEzStOfY21eFC3Rx6mKayLl3wHWnMgxykB+/NYB8WxsglPR3Q== | |
| dependencies: | |
| fast-json-stable-stringify "^2.1.0" | |
| string-hash "^1.1.3" | |
| lodash@^4.17.4: | |
| version "4.17.15" | |
| resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548" | |
| integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A== | |
| platform@^1.3.3: | |
| version "1.3.5" | |
| resolved "https://registry.yarnpkg.com/platform/-/platform-1.3.5.tgz#fb6958c696e07e2918d2eeda0f0bc9448d733444" | |
| integrity sha512-TuvHS8AOIZNAlE77WUDiR4rySV/VMptyMfcfeoMgs4P8apaZM3JrnbzBiixKUv+XR6i+BXrQh8WAnjaSPFO65Q== | |
| string-hash@^1.1.3: | |
| version "1.1.3" | |
| resolved "https://registry.yarnpkg.com/string-hash/-/string-hash-1.1.3.tgz#e8aafc0ac1855b4666929ed7dd1275df5d6c811b" | |
| integrity sha1-6Kr8CsGFW0Zmkp7X3RJ1311sgRs= |
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