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Math.trunc vs Math.floor #jsbench #jsperf (http://jsbench.github.io/#da9d5dbe6f00bc69c5c1328b6a3f6cee) #jsbench #jsperf
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>Math.trunc vs Math.floor #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; | |
| suite.add("var s = 0;", function () { | |
| var s = 0; | |
| for (var i = 0; i < 100; i += 1) { | |
| for (var j = 0; j < 100; j += 1) { | |
| if (j !== 0) { | |
| s += Math.trunc(i / j); | |
| } | |
| } | |
| } | |
| if (s !== 21321) { | |
| console.log(s); | |
| } | |
| }); | |
| suite.add("var s = 0;", function () { | |
| var s = 0; | |
| for (var i = 0; i < 100; i += 1) { | |
| for (var j = 0; j < 100; j += 1) { | |
| if (j !== 0) { | |
| s += Math.floor(i / j); | |
| } | |
| } | |
| } | |
| if (s !== 21321) { | |
| console.log(s); | |
| } | |
| }); | |
| suite.add("var s = 0;", function () { | |
| var s = 0; | |
| for (var i = -50; i < 50; i += 1) { | |
| for (var j = -50; j < 50; j += 1) { | |
| if (j !== 0) { | |
| s += Math.trunc(i / j); | |
| } | |
| } | |
| } | |
| if (s !== 1) { | |
| console.log(s); | |
| } | |
| }); | |
| suite.add("var s = 0;", function () { | |
| var s = 0; | |
| for (var i = -50; i < 50; i += 1) { | |
| for (var j = -50; j < 50; j += 1) { | |
| if (j !== 0) { | |
| s += Math.floor(i / j); | |
| } | |
| } | |
| } | |
| if (s !== -4492) { | |
| console.log(s); | |
| } | |
| }); | |
| 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("Math.trunc vs Math.floor #jsbench #jsperf"); | |
| console.log(new Array(30).join("-")); | |
| suite.run(); | |
| }); |
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