radix64/index.html at main · extemporalgenome/radix64 · GitHub

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<!doctype html>
<html>
	<head>
		<title>radix64 demonstration</title>
		<style>
			label { width: 200px; float: left; clear: both }
			label input { float: right; width: 100px }
			button { float: left; margin-left: 10px }
			label input, button { position: relative; bottom: 5px }
			input[readonly] { border-color: transparent }
			#width { width: 50px }
			br { clear: both }
		</style>
		<script src="radix64.js"></script>
		<script src="http://code.jquery.com/jquery-1.7.2.min.js"></script>
		<script>
			$(function() {
				$(':input[type=number]').change(function() {
					var v = parseFloat(this.value);
					var min = parseFloat(this.min);
					var max = parseFloat(this.max);
					var step = parseFloat(this.step);
					if(v < min) v = min;
					else if (v > max) v = max;
					else v = Math.floor((v - min) / step) * step + min;
					this.value = v;
				});

				$('#encoded').change(function() {
					this.value = this.value.replace(/[^0-9A-Za-z_-]+/, '');
				});

				$('#decoded').val(Math.round(Math.random() * 65535));

				$('#encode').click(function() {
					$('#encoded').val(enc64($('#decoded').val(), $('#width').val()));
				}).click();

				$('#decode').click(function() {
					$('#decoded').val(dec64($('#encoded').val()));
				});

				var bench = function(config, func) {
					$('#benchresult').val("processing...");
					var iters = parseInt($('#iterations').val());
					var start = new Date();
					var len = func(config, iters);
					var duration = (new Date() - start) * 1e6;
					var op = Math.round(duration / iters);
					var ch = Math.round(op / len);
					$('#benchresult').text(op + " ns/op; " + ch + " ns per encoded digit");
				};

				$('#benchenc').click(function() {
					bench({
						v: parseInt($('#decoded').val()),
						w: parseInt($('#width').val())
					}, function(config, iters) {
						var v = config.v, w = config.w;
						for(var i = 0; i < iters; i++)
							enc64(v, w);
						return enc64(v, w).length;
					});
				});

				$('#benchdec').click(function() {
					bench({
						v: $('#encoded').val(),
					}, function(config, iters) {
						var v = config.v;
						for(var i = 0; i < iters; i++)
							dec64(v);
						return v.length;
					});
				});
			});
		</script>
	</head>
	<body>
		<fieldset><legend>Values</legend>
			<label>Decoded: <input id=decoded type=number min=0 step=1 /></label><button id="encode">Encode</button><br />
			<label>Width: <input id=width type=number min=0 max=10 step=1 value=0 /></label><br />
			<label>Encoded: <input id=encoded /></label><button id="decode">Decode</button><br />
		</fieldset>
		<fieldset><legend>Benchmark</legend>
			<p>(Benchmarking will use the above encode/decode values)</p>
			<label>Iterations: <input id=iterations type=number min=1 step=1 value=100000 /></label>
			<button id="benchenc">Encode</button>
			<button id="benchdec">Decode</button><br />
			Result: <span id=benchresult>n/a</span>
		</fieldset>
	</body>
</html>