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Created October 15, 2020 16:22
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sync vs async (promise) (http://jsbench.github.io/#ec2b1e12307ebf25acc65ebafa6f2ba0) #jsbench #jsperf
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>sync vs async (promise)</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 () {
const add = (a, b) => a + b
const async_add = (a, b) => new Promise((resolve, reject) => resolve(a + b))
};
suite.add("add(1, 2)", function () {
add(1, 2)
});
suite.add("async_add(1, 2)", function () {
async_add(1, 2)
});
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("sync vs async (promise)");
console.log(new Array(30).join("-"));
suite.run();
});
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