milahu/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>unswitch for loop</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>

## 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 input_list = Array.from({length: 10000})
		.map(_ => Array.from({length: (Math.random()*10)|0}).map((_, idx) => idx*10))
	};


	suite.add("unswitch yes", function () {
		// unswitch yes
		let c = 0;
		const cond = (Math.random()*3)|0;

		if (cond == 3) {
		    for (let i = 0; i < input_list.length; i++) {
		        c += 1;
		        c += 2;
		        c += 3;
		    }
		}
		else
		if (cond == 2) {
		    for (let i = 0; i < input_list.length; i++) {
		        c += 1;
		        c += 2;
		    }
		}
		else
		if (cond == 1) {
		    for (let i = 0; i < input_list.length; i++) {
		        c += 1;
		    }
		}
	});

	suite.add("unswitch no", function () {
		// unswitch no
		let c = 0;
		const cond = (Math.random()*3)|0;

		for (let i = 0; i < input_list.length; i++) {
		    if (cond == 3) {
		        c += 1;
		        c += 2;
		        c += 3;
		    }
		    else
		    if (cond == 2) {
		        c += 1;
		        c += 2;
		    }
		    else
		    if (cond == 1) {
		        c += 1;
		    }
		}
	});

	suite.add("unswitch via function", function () {
		// unswitch via function
		// unswitch no
		let c = 0;
		const cond = (Math.random()*3)|0;

		function f(cond){
		    if (cond == 3) {
		        c += 1;
		        c += 2;
		        c += 3;
		    }
		    else
		    if (cond == 2) {
		        c += 1;
		        c += 2;
		    }
		    else
		    if (cond == 1) {
		        c += 1;
		    }
		}

		for (let i = 0; i < input_list.length; i++) {
		    f(cond);
		}
	});

	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("unswitch for loop");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>unswitch for loop</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>
	"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 input_list = Array.from({length: 10000})
	.map(_ => Array.from({length: (Math.random()10)\|0}).map((_, idx) => idx10))
	};


	suite.add("unswitch yes", function () {
	// unswitch yes
	let c = 0;
	const cond = (Math.random()*3)\|0;

	if (cond == 3) {
	for (let i = 0; i < input_list.length; i++) {
	c += 1;
	c += 2;
	c += 3;
	}
	}
	else
	if (cond == 2) {
	for (let i = 0; i < input_list.length; i++) {
	c += 1;
	c += 2;
	}
	}
	else
	if (cond == 1) {
	for (let i = 0; i < input_list.length; i++) {
	c += 1;
	}
	}
	});

	suite.add("unswitch no", function () {
	// unswitch no
	let c = 0;
	const cond = (Math.random()*3)\|0;

	for (let i = 0; i < input_list.length; i++) {
	if (cond == 3) {
	c += 1;
	c += 2;
	c += 3;
	}
	else
	if (cond == 2) {
	c += 1;
	c += 2;
	}
	else
	if (cond == 1) {
	c += 1;
	}
	}
	});

	suite.add("unswitch via function", function () {
	// unswitch via function
	// unswitch no
	let c = 0;
	const cond = (Math.random()*3)\|0;

	function f(cond){
	if (cond == 3) {
	c += 1;
	c += 2;
	c += 3;
	}
	else
	if (cond == 2) {
	c += 1;
	c += 2;
	}
	else
	if (cond == 1) {
	c += 1;
	}
	}

	for (let i = 0; i < input_list.length; i++) {
	f(cond);
	}
	});

	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("unswitch for loop");
	console.log(new Array(30).join("-"));
	suite.run();
	});