| 1 | <!DOCTYPE html> |
| 2 | <html> |
| 3 | <head> |
| 4 | <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9"> |
| 5 | <title>Benchmarking for Plots with Many Points</title> |
| 6 | <!--[if IE]> |
| 7 | <script type="text/javascript" src="../excanvas.js"></script> |
| 8 | <![endif]--> |
| 9 | <!-- |
| 10 | For production (minified) code, use: |
| 11 | <script type="text/javascript" src="dygraph-combined.js"></script> |
| 12 | --> |
| 13 | <script type="text/javascript" src="../dygraph-dev.js"></script> |
| 14 | |
| 15 | </head> |
| 16 | <body> |
| 17 | <p>Plot which can be easily generated with different numbers of points for |
| 18 | benchmarking/profiling and improving performance of dygraphs.</p> |
| 19 | <p>Data to plot: |
| 20 | <input type="radio" id="sine" name="group1" value="sine" |
| 21 | onclick="clickedRadioButton(this);" checked> sinusoid function |
| 22 | <input type="radio" id="rand" name="group1" value="rand" |
| 23 | onclick="clickedRadioButton(this);"> random points <br></p> |
| 24 | <p>Number of points: |
| 25 | <input type="text" id="points" size="20"></p> |
| 26 | <p>Number of series: |
| 27 | <input type="text" id="series" size="20"></p> |
| 28 | <p>Roll period (in points): |
| 29 | <input type="text" id="rollPeriod" size="20"></p> |
| 30 | <p>Repetitions: |
| 31 | <input type="text" id="repetitions" size="20"></p> |
| 32 | |
| 33 | <input type="button" value="Go!" onclick="updatePlot();"> |
| 34 | <br> |
| 35 | <br> |
| 36 | <div id="plot"></div> |
| 37 | <div id="message"></div> |
| 38 | <div id="metrics"></div> |
| 39 | <div id="metaperformance"></div> |
| 40 | |
| 41 | <script type="text/javascript"> |
| 42 | var plot; |
| 43 | var dataType = "sine"; |
| 44 | |
| 45 | var durations = []; |
| 46 | updatePlot = function() { |
| 47 | document.getElementById('message').innerHTML = ""; |
| 48 | var plotDiv = document.getElementById('plot'); |
| 49 | plotDiv.innerHTML = 'Redrawing...'; |
| 50 | var numPoints = |
| 51 | parseInt(document.getElementById('points').value); |
| 52 | var numSeries = |
| 53 | parseInt(document.getElementById('series').value); |
| 54 | var repetitions = |
| 55 | parseInt(document.getElementById('repetitions').value); |
| 56 | |
| 57 | var data = []; |
| 58 | var xmin = 0.0; |
| 59 | var xmax = 2.0 * Math.PI; |
| 60 | var adj = .5; |
| 61 | var delta = (xmax - xmin) / (numPoints - 1); |
| 62 | |
| 63 | for (var i = 0; i < numPoints; ++i) { |
| 64 | var x = xmin + delta * i; |
| 65 | var elem = [ x ]; |
| 66 | for (var j = 0; j < numSeries; j++) { |
| 67 | var y; |
| 68 | if (dataType == "rand") { |
| 69 | y = Math.pow(Math.random() - Math.random(), 7); |
| 70 | } else { |
| 71 | y = Math.sin(x + (j * adj)); |
| 72 | } |
| 73 | elem.push(y); |
| 74 | } |
| 75 | data[i] = elem; |
| 76 | } |
| 77 | var labels = [ "x" ]; |
| 78 | for (var j = 0; j < numSeries; j++) { |
| 79 | labels.push("data-set-" + j); |
| 80 | } |
| 81 | var rollPeriod = parseInt( |
| 82 | document.getElementById('rollPeriod').value); |
| 83 | var opts = {labels: labels, rollPeriod: rollPeriod, timingName: "x"}; |
| 84 | var millisecondss = []; |
| 85 | for (var i = 0; i < repetitions; i++) { |
| 86 | var start = new Date(); |
| 87 | plot = new Dygraph(plotDiv, data, opts); |
| 88 | var end = new Date(); |
| 89 | durations.push([start, end - start]); |
| 90 | millisecondss.push(end - start); |
| 91 | } |
| 92 | if (repetitions == 1) { |
| 93 | document.getElementById('message').innerHTML = |
| 94 | "completed in " + (end - start) + " milliseconds."; |
| 95 | } else { |
| 96 | var avg = 0; |
| 97 | for (var i = 0; i < millisecondss.length; i++) { |
| 98 | avg+=millisecondss[i]; |
| 99 | } |
| 100 | avg/=millisecondss.length; |
| 101 | document.getElementById('message').innerHTML = |
| 102 | "Durations: " + millisecondss + " Average: " + avg; |
| 103 | } |
| 104 | |
| 105 | if (durations.length > 0) { |
| 106 | var start2 = new Date(); |
| 107 | new Dygraph( |
| 108 | document.getElementById('metrics'), |
| 109 | durations, |
| 110 | { |
| 111 | highlightCircleSize: 4, |
| 112 | labels: [ "Date", "ms" ] |
| 113 | }); |
| 114 | var end2 = new Date(); |
| 115 | document.getElementById("metaperformance").innerHTML = |
| 116 | "completed in " + (end2 - start2) + " milliseconds."; |
| 117 | } |
| 118 | }; |
| 119 | |
| 120 | clickedRadioButton = function(radiobutton) { |
| 121 | dataType = radiobutton.value; |
| 122 | }; |
| 123 | |
| 124 | var values = { |
| 125 | points: 100, |
| 126 | series: 1, |
| 127 | rollPeriod: 1, |
| 128 | repetitions: 1, |
| 129 | type: 'sine' |
| 130 | }; |
| 131 | |
| 132 | // Parse the URL for parameters. Use it to override the values hash. |
| 133 | var href = window.location.href; |
| 134 | var qmindex = href.indexOf('?'); |
| 135 | if (qmindex > 0) { |
| 136 | var entries = href.substr(qmindex + 1).split('&'); |
| 137 | for (var idx = 0; idx < entries.length; idx++) { |
| 138 | var entry = entries[idx]; |
| 139 | var eindex = entry.indexOf('='); |
| 140 | if (eindex > 0) { |
| 141 | values[entry.substr(0, eindex)] = entry.substr(eindex + 1); |
| 142 | } |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | var populate = function(name) { |
| 147 | document.getElementById(name).value = values[name]; |
| 148 | } |
| 149 | |
| 150 | var populateRadio = function(name) { |
| 151 | var val = values[name]; |
| 152 | var elem = document.getElementById(val); |
| 153 | elem.checked = true; |
| 154 | elem.onclick(); |
| 155 | } |
| 156 | |
| 157 | populate('points'); |
| 158 | populate('series'); |
| 159 | populate('rollPeriod'); |
| 160 | populate('repetitions'); |
| 161 | populateRadio('type'); |
| 162 | if (values["go"]) { |
| 163 | updatePlot(); |
| 164 | } |
| 165 | |
| 166 | </script> |
| 167 | </body> |
| 168 | </html> |