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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>PEG.js Benchmark Suite</title>
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<style>
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body {
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margin: 2em 4em;
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font-family: "Trebuchet MS", lucida, sans-serif;
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line-height: 1.5;
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color: black; background-color: white;
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}
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h1 { margin: 0 0 .75em 0; text-align: center; font-size: 200%; }
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table { width: 48em; margin: 0 auto; border-spacing: 0; border-collapse: collapse; }
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table td, table th { border: 1px solid silver; padding: .25em 1em; }
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table td .unit { font-size: 75%; color: gray; }
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table td.no-results { padding: 1em; text-align: center; }
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table td.input-size { text-align: right; }
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table td.parse-time { text-align: right; }
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table td.parse-speed { text-align: right; }
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table tr.columns th { border-color: #404040; color: white; background-color: #404040; }
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table tr.heading th { background-color: #e0e0e0; }
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table tr.benchmark-total td { font-weight: bold; }
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table tr.total td { background-color: #ffff80; font-weight: bold; }
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table tr.total td .unit { color: #808000; }
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table tr.total td.parse-speed .value { font-size: 175%; }
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a, a:visited { color: #3d586c; }
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#options {
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width: 46em;
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margin: 2em auto; border-radius: .5em; -moz-border-radius: .5em; padding: .5em 1em;
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text-align: center;
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background-color: #f0f0f0;
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}
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#options #run-count { width: 3em; }
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#options #run { width: 5em; margin-left: 2em; }
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</style>
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</head>
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<body>
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<h1>PEG.js Benchmark Suite</h1>
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<div id="options">
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<label for="run-count">Run each test</label>
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<input type="text" id="run-count" value="10"> times
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<input type="button" id="run" value="Run">
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</div>
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<table id="results-table">
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<tr class="columns">
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<th>Test</th>
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<th>Input Size</th>
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<th>Average Parse Time</th>
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<th>Average Parse Speed</th>
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</tr>
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<tr>
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<td class="no-results" colspan="4">No results available yet.</td>
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</tr>
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</table>
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<script src="../lib/peg.js"></script>
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<script src="vendor/jquery/jquery.js"></script>
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<script src="vendor/jquery.scrollto/jquery.scrollTo.js"></script>
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<script src="benchmarks.js"></script>
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<script src="runner.js"></script>
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<script>
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$("#run").click(function() {
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/* Results Table Manipulation */
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var resultsTable = $("#results-table");
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function appendHeading(heading) {
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resultsTable.append(
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"<tr class='heading'><th colspan='4'>" + heading + "</th></tr>"
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);
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}
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function appendResult(klass, title, url, inputSize, parseTime) {
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var KB = 1024;
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var MS_IN_S = 1000;
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resultsTable.append(
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"<tr class='" + klass + "'>"
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+ "<td class='title'>"
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+ (url !== null ? "<a href='" + url + "'>" : "")
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+ title
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+ (url !== null ? "</a>" : "")
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+ "</td>"
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+ "<td class='input-size'>"
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+ "<span class='value'>"
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+ (inputSize / KB).toFixed(2)
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+ "</span>"
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+ " <span class='unit'>kB</span>"
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+ "</td>"
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+ "<td class='parse-time'>"
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+ "<span class='value'>"
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+ parseTime.toFixed(2)
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+ "</span>"
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+ " <span class='unit'>ms</span>"
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+ "</td>"
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+ "<td class='parse-speed'>"
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+ "<span class='value'>"
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+ ((inputSize / KB) / (parseTime / MS_IN_S)).toFixed(2)
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+ "</span>"
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+ " <span class='unit'>kB/s</span>"
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+ "</td>"
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+ "</tr>"
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);
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}
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/* Main */
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/*
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* Each input is parsed multiple times and the results are averaged. We
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* do this for two reasons:
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*
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* 1. To warm up the interpreter (PEG.js-generated parsers will be
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* most likely used repeatedly, so it makes sense to measure
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* performance after warming up).
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*
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* 2. To minimize random errors.
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*/
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var runCount = parseInt($("#run-count").val());
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if (isNaN(runCount) || runCount <= 0) {
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alert("Number of runs must be a positive integer.");
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return;
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}
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Runner.run(benchmarks, runCount, {
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readFile: function(file) {
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return $.ajax({
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type: "GET",
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url: file,
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dataType: "text",
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async: false
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}).responseText;
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},
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testStart: function(benchmark, test) {
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/* Nothing to do. */
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},
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testFinish: function(benchmark, test, inputSize, parseTime) {
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appendResult(
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"individual",
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test.title,
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benchmark.id + "/" + test.file,
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inputSize,
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parseTime
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);
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},
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benchmarkStart: function(benchmark) {
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appendHeading(benchmark.title);
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},
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benchmarkFinish: function(benchmark, inputSize, parseTime) {
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appendResult(
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"benchmark-total",
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benchmark.title + " total",
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null,
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inputSize,
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parseTime
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);
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},
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start: function() {
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$("#run-count, #run").attr("disabled", "disabled");
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resultsTable.show();
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$("#results-table tr").slice(1).remove();
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},
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finish: function(inputSize, parseTime) {
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appendResult(
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"total",
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"Total",
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null,
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inputSize,
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parseTime
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);
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$.scrollTo("max", { axis: "y", duration: 500 });
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$("#run-count, #run").removeAttr("disabled");
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}
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});
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});
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$(document).ready(function() {
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$("#run").focus();
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});
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</script>
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</body>
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</html>
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