Last active
March 14, 2017 12:20
-
-
Save mnieper/c054ed23296e232336f594f7c5477bac to your computer and use it in GitHub Desktop.
Drawing outside of viewport (http://jsbench.github.io/#c054ed23296e232336f594f7c5477bac) #jsbench #jsperf
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"/> | |
<title>Drawing outside of viewport</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> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
"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 () { | |
var can2 = document.createElement('canvas'); | |
can2.width = 10000; | |
can2.height = 10000; | |
}; | |
suite.add("var ctx2 = can2.getContext('2d');", function () { | |
var ctx2 = can2.getContext('2d'); | |
ctx2.scale(100, 100); | |
for (var i = 0; i < 10; ++i) { | |
ctx2.beginPath(); | |
ctx2.strokeStyle = 'red'; | |
ctx2.lineWidth = 4; | |
ctx2.moveTo(10,10); | |
ctx2.lineTo(10,30); | |
ctx2.lineTo(30,30); | |
ctx2.lineTo(40,70); | |
ctx2.quadraticCurveTo(72,43,22,12); | |
ctx2.quadraticCurveTo(12,43,12,102); | |
ctx2.stroke(); | |
} | |
}); | |
suite.add("var ctx2 = can2.getContext('2d');", function () { | |
var ctx2 = can2.getContext('2d'); | |
ctx2.scale(100, 100); | |
ctx2.translate(200, 200); | |
for (var i = 0; i < 10; ++i) { | |
ctx2.beginPath(); | |
ctx2.strokeStyle = 'red'; | |
ctx2.lineWidth = 4; | |
ctx2.moveTo(10,10); | |
ctx2.lineTo(10,30); | |
ctx2.lineTo(30,30); | |
ctx2.lineTo(40,70); | |
ctx2.quadraticCurveTo(72,43,22,12); | |
ctx2.quadraticCurveTo(12,43,12,102); | |
ctx2.stroke(); | |
} | |
}); | |
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("Drawing outside of viewport"); | |
console.log(new Array(30).join("-")); | |
suite.run(); | |
}); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment