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Unique-ify: In Place or At Finish (http://jsbench.github.io/#bdd6c20c07e440f32d567c59ad4f5e9a) #jsbench #jsperf
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>Unique-ify: In Place or At Finish</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script> | |
| <script src="./suite.js"></script> | |
| </head> | |
| <body> | |
| <h1>Open the console to view the results</h1> | |
| <h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2> | |
| </body> | |
| </html> |
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| "use strict"; | |
| (function (factory) { | |
| if (typeof Benchmark !== "undefined") { | |
| factory(Benchmark); | |
| } else { | |
| factory(require("benchmark")); | |
| } | |
| })(function (Benchmark) { | |
| var suite = new Benchmark.Suite; | |
| Benchmark.prototype.setup = function () { | |
| const MAX_NUMBER = 10000; | |
| const BATCH_SIZE = 500; | |
| const BATCHES = 4000; | |
| function randomNumber() { | |
| return Math.floor(Math.random() * MAX_NUMBER); | |
| } | |
| // create an array with `n` number of `entry`'s in it' | |
| function batch(n = BATCH_SIZE, entry = randomNumber) { | |
| const b = new Array(n) | |
| for (let i = 0 ; i < BATCH_SIZE; ++i) { | |
| b[i] = entry() | |
| } | |
| return b | |
| } | |
| // create an array of many batches | |
| function batches() { | |
| const bb = batch(BATCHES, batch) | |
| return bb | |
| } | |
| let BB = batches() | |
| }; | |
| Benchmark.prototype.teardown = function () { | |
| BB = null | |
| }; | |
| suite.add("function inPlace() {", function () { | |
| function inPlace() { | |
| const s = new Set() | |
| for (let bb in BB) { | |
| const B = BB[bb] | |
| for (let b in B) { | |
| s.add(B[b]) | |
| } | |
| } | |
| return Array.from(s) | |
| } | |
| inPlace() | |
| }); | |
| suite.add("function atEndApply() {", function () { | |
| function atEndApply() { | |
| const arr = new Array() | |
| for (let bb in BB) { | |
| const B = BB[bb] | |
| arr.push.apply(arr, B) // add each batch into array | |
| } | |
| const s = new Set(arr) | |
| return Array.from(s) | |
| } | |
| atEndApply() | |
| }); | |
| suite.add("NO DEDUPLICATION - JUST FOR REFERENCE", function () { | |
| // NO DEDUPLICATION - JUST FOR REFERENCE | |
| function noDedupeApply() { | |
| const arr = new Array() | |
| for (let bb in BB) { | |
| const B = BB[bb] | |
| arr.push.apply(arr, B) | |
| } | |
| return arr | |
| } | |
| noDedupeApply() | |
| }); | |
| suite.add("function atEndCall() {", function () { | |
| function atEndCall() { | |
| const arr = new Array() | |
| for (let bb in BB) { | |
| const B = BB[bb] | |
| arr.push.call(arr, ...B) | |
| } | |
| const s = new Set(arr) | |
| return Array.from(s) | |
| } | |
| atEndCall() | |
| }); | |
| suite.add("NO DEDUPLICATION - JUST FOR REFERENCE", function () { | |
| // NO DEDUPLICATION - JUST FOR REFERENCE | |
| function noDedupeCall() { | |
| const arr = new Array() | |
| for (let bb in BB) { | |
| const B = BB[bb] | |
| arr.push.call(arr, ...B) | |
| } | |
| return arr | |
| } | |
| noDedupeCall() | |
| }); | |
| suite.add("function atEndApplySpread() {", function () { | |
| function atEndApplySpread() { | |
| const arr = new Array() | |
| for (let bb in BB) { | |
| const B = BB[bb] | |
| arr.push(...B) // use spread, instead of .push.apply | |
| } | |
| const s = new Set(arr) | |
| return Array.from(s) | |
| } | |
| atEndApplySpread() | |
| }); | |
| suite.on("cycle", function (evt) { | |
| console.log(" - " + evt.target); | |
| }); | |
| suite.on("complete", function (evt) { | |
| console.log(new Array(30).join("-")); | |
| var results = evt.currentTarget.sort(function (a, b) { | |
| return b.hz - a.hz; | |
| }); | |
| results.forEach(function (item) { | |
| console.log((idx + 1) + ". " + item); | |
| }); | |
| }); | |
| console.log("Unique-ify: In Place or At Finish"); | |
| console.log(new Array(30).join("-")); | |
| suite.run(); | |
| }); |
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