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Created January 3, 2018 19:42
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Web Worker Transfers (http://jsbench.github.io/#0a9bb32719c1b64774a8a568ab8c2be8) #jsbench #jsperf
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Web Worker Transfers</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>
Raw
suite.js
"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 parseCode = "self.onmessage = function (e){var s = e.data.string; self.postMessage(s); };";
var passCode = "self.onmessage = function (e) { var parts = e.data.split(','); self.postMessage(parts[0]); }";
var transferCode = "self.onmessage = function (e) { self.postMessage(e.data, [e.data]); }";
var parseBlob = new Blob([parseCode], {
type: 'text/javascript'
});
var passBlob = new Blob([passCode], {
type: 'text/javascript'
});
var transferBlob = new Blob([transferCode], {
type: 'text/javascript'
});
var aWorker = new Worker(window.URL.createObjectURL(parseBlob));
var bWorker = new Worker(window.URL.createObjectURL(passBlob));
var cWorker = new Worker(window.URL.createObjectURL(transferBlob));
// warm up the transfer based worker
var transferObject = new ArrayBuffer(32);
cWorker.postMessage(transferObject, [transferObject]);
};
Benchmark.prototype.teardown = function () {
aWorker.terminate();
bWorker.terminate();
cWorker.terminate();
};
suite.add("var jsonObject = { string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello' };", function () {
var jsonObject = { string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello' };
aWorker.postMessage(jsonObject);
});
suite.add("var stringObject = { string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello' };", function () {
var stringObject = { string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello', string: 'hello' };
bWorker.postMessage(JSON.stringify(stringObject));
});
suite.add("var transferObject = new ArrayBuffer(32);", function () {
var transferObject = new ArrayBuffer(32);
cWorker.postMessage(transferObject, [transferObject]);
});
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("Web Worker Transfers");
console.log(new Array(30).join("-"));
suite.run();
});
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