TimothyGu/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>64bit comparison</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 strings = Array(1024)
		.fill(0)
		.map(() => {
		  let buf = new Uint8Array(8);
		  crypto.getRandomValues(buf);
		  return buf.map((c) => c.toString(16)).join('');
		});

		const arrays = Array(1024)
		.fill(0)
		.map(() => {
		  let buf = new Uint32Array(2);
		  crypto.getRandomValues(buf);
		  return buf;
		});

		const numbers = Array(1024)
		.fill(0)
		.map(() => {
		  let buf = new Uint32Array(2);
		  crypto.getRandomValues(buf);
		  return buf[0] * 0xffffffff + buf[1];
		});
	};


	suite.add("var noOptimizeAway = true;", function () {
		var noOptimizeAway = true;

		for (var i = 0; i < strings.length; i++) {
		  for (var j = 0; j < strings.length; j++) {
		    noOptimizeAway = strings[i] === strings[j];
		  }
		}
	});

	suite.add("var noOptimizeAway = true;", function () {
		var noOptimizeAway = true;

		for (var i = 0; i < arrays.length; i++) {
		  for (var j = 0; j < arrays.length; j++) {
		    noOptimizeAway = arrays[i][0] === arrays[j][0] &&
		                     arrays[i][1] === arrays[j][1];
		  }
		}
	});

	suite.add("var noOptimizeAway = true;", function () {
		var noOptimizeAway = true;

		for (var i = 0; i < numbers.length; i++) {
		  for (var j = 0; j < numbers.length; j++) {
		    noOptimizeAway = numbers[i] === numbers[j];
		  }
		}
	});

	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("64bit comparison");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>64bit comparison</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 strings = Array(1024)
	.fill(0)
	.map(() => {
	let buf = new Uint8Array(8);
	crypto.getRandomValues(buf);
	return buf.map((c) => c.toString(16)).join('');
	});

	const arrays = Array(1024)
	.fill(0)
	.map(() => {
	let buf = new Uint32Array(2);
	crypto.getRandomValues(buf);
	return buf;
	});

	const numbers = Array(1024)
	.fill(0)
	.map(() => {
	let buf = new Uint32Array(2);
	crypto.getRandomValues(buf);
	return buf[0] * 0xffffffff + buf[1];
	});
	};


	suite.add("var noOptimizeAway = true;", function () {
	var noOptimizeAway = true;

	for (var i = 0; i < strings.length; i++) {
	for (var j = 0; j < strings.length; j++) {
	noOptimizeAway = strings[i] === strings[j];
	}
	}
	});

	suite.add("var noOptimizeAway = true;", function () {
	var noOptimizeAway = true;

	for (var i = 0; i < arrays.length; i++) {
	for (var j = 0; j < arrays.length; j++) {
	noOptimizeAway = arrays[i][0] === arrays[j][0] &&
	arrays[i][1] === arrays[j][1];
	}
	}
	});

	suite.add("var noOptimizeAway = true;", function () {
	var noOptimizeAway = true;

	for (var i = 0; i < numbers.length; i++) {
	for (var j = 0; j < numbers.length; j++) {
	noOptimizeAway = numbers[i] === numbers[j];
	}
	}
	});

	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("64bit comparison");
	console.log(new Array(30).join("-"));
	suite.run();
	});