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direct mutable / immutable action vs future like vs promise #jsbench #jsperf (http://jsbench.github.io/#b2ed03a6ce1d6babb536983d5e75acef) #jsbench #jsperf
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>direct mutable / immutable action vs future like vs promise #jsbench #jsperf</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 mutable_action = (data, value) => { | |
| data.value = value | |
| } | |
| const immutable_action = (data, value) => { | |
| return { | |
| ...data, | |
| value | |
| } | |
| } | |
| const initial_data = { | |
| value: 0 | |
| } | |
| class Future { | |
| static of(value) { | |
| return new Future(value) | |
| } | |
| constructor(value) { | |
| this.value = value | |
| } | |
| map(fn) { | |
| return new Future(fn(this.value)) | |
| } | |
| } | |
| const initial_future = Future.of(0) | |
| const static_fn = old_value => 17 | |
| const initial_promise = Promise.resolve(0) | |
| }; | |
| suite.add("mutable_action(initial_data, 17)", function () { | |
| mutable_action(initial_data, 17) | |
| }); | |
| suite.add("immutable_action(initial_data, 17)", function () { | |
| immutable_action(initial_data, 17) | |
| }); | |
| suite.add("initial_future.map(old_value => 17)", function () { | |
| initial_future.map(old_value => 17) | |
| }); | |
| suite.add("initial_future.map(static_fn)", function () { | |
| initial_future.map(static_fn) | |
| }); | |
| suite.add("initial_promise.then(static_fn)", function () { | |
| initial_promise.then(static_fn) | |
| }); | |
| 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("direct mutable / immutable action vs future like vs promise #jsbench #jsperf"); | |
| console.log(new Array(30).join("-")); | |
| suite.run(); | |
| }); |
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