<!--[if IE]>
<script type="text/javascript" src="../excanvas.js"></script>
<![endif]-->
- <script type="text/javascript" src="../strftime/strftime-min.js"></script>
- <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script>
- <script type="text/javascript" src="../dygraph-canvas.js"></script>
- <script type="text/javascript" src="../dygraph.js"></script>
+ <!--
+ For production (minified) code, use:
+ <script type="text/javascript" src="dygraph-combined.js"></script>
+ -->
+ <script type="text/javascript" src="../dygraph-dev.js"></script>
+
</head>
<body>
<p>Plot which can be easily generated with different numbers of points for
benchmarking/profiling and improving performance of dygraphs.</p>
- <p>Number of points:
- <input type="text" id="num_points_input" size="20"></p>
- <p>Number of series:
- <input type="text" id="num_series_input" size="20"></p>
- <p>Roll period (in points):
- <input type="text" id="roll_period_input" size="20"></p>
- <p>Repetitions:
- <input type="text" id="repetitions" size="20"></p>
-
- <input type="button" value="Go!" onclick="updatePlot();">
+ <div id='parameters'>
+ <p>Data to plot:
+ <input type="radio" id="sine" name="group1" value="sine"
+ onclick="setDataType(this);" checked> sinusoid function
+ <input type="radio" id="rand" name="group1" value="rand"
+ onclick="setDataType(this);"> random points <br></p>
+ <p>Timestamps:
+ <input type="radio" id="aligned" name="timestamps" value="aligned"
+ onclick="setTimestampType(this);" checked> aligned
+ <input type="radio" id="unaligned" name="timestamps" value="unaligned"
+ onclick="setTimestampType(this);"> unaligned</p>
+ <p>Number of points per series (points):
+ <input type="text" id="points" size="20"></p>
+ <p>Number of series (series):
+ <input type="text" id="series" size="20"></p>
+ <p>Roll period (in points, rollPeriod):
+ <input type="text" id="rollPeriod" size="20"></p>
+ <p>Repetitions (repititions):
+ <input type="text" id="repetitions" size="20"></p>
+ <input type="button" value="Go!" onclick="updatePlot();">
+ </div>
<br>
<br>
<div id="plot"></div>
<div id="metaperformance"></div>
<script type="text/javascript">
- var plot;
+ var graph = null;
+ var metrics = null;
+ var dataType = "sine";
+ var timestamps = "aligned";
var durations = [];
updatePlot = function() {
var plotDiv = document.getElementById('plot');
plotDiv.innerHTML = 'Redrawing...';
var numPoints =
- parseInt(document.getElementById('num_points_input').value);
+ parseInt(document.getElementById('points').value);
var numSeries =
- parseInt(document.getElementById('num_series_input').value);
+ parseInt(document.getElementById('series').value);
var repetitions =
parseInt(document.getElementById('repetitions').value);
var xmax = 2.0 * Math.PI;
var adj = .5;
var delta = (xmax - xmin) / (numPoints - 1);
+ var unalignmentDelta = delta / numSeries;
for (var i = 0; i < numPoints; ++i) {
var x = xmin + delta * i;
var elem = [ x ];
for (var j = 0; j < numSeries; j++) {
- var y = Math.sin(x + (j * adj));
+ var y;
+ if (dataType == "rand") {
+ y = Math.pow(Math.random() - Math.random(), 7);
+ } else {
+ y = Math.sin(x + (j * adj));
+ }
elem.push(y);
}
- data[i] = elem;
+ if (timestamps == "aligned") {
+ data[i] = elem;
+ } else {
+ for (var j = 0; j < numSeries; j++) {
+ var elemCopy = elem.slice(0);
+ elemCopy[0] += unalignmentDelta * j;
+ data[i*numSeries + j] = elemCopy;
+ }
+ }
}
var labels = [ "x" ];
for (var j = 0; j < numSeries; j++) {
- labels.push("sin(x + " + (j*adj) + ")");
+ labels.push("data-set-" + j);
}
var rollPeriod = parseInt(
- document.getElementById('roll_period_input').value);
- var opts = {labels: labels, rollPeriod: rollPeriod};
+ document.getElementById('rollPeriod').value);
+ var opts = {labels: labels, rollPeriod: rollPeriod, timingName: "x"};
var millisecondss = [];
for (var i = 0; i < repetitions; i++) {
+ if (graph != null) {
+ graph.destroy(); // release memory from prior graph.
+ }
var start = new Date();
- plot = new Dygraph(plotDiv, data, opts);
+ graph = new Dygraph(plotDiv, data, opts);
var end = new Date();
durations.push([start, end - start]);
millisecondss.push(end - start);
document.getElementById('message').innerHTML =
"completed in " + (end - start) + " milliseconds.";
} else {
+ var avg = 0;
+ for (var i = 0; i < millisecondss.length; i++) {
+ avg+=millisecondss[i];
+ }
+ avg/=millisecondss.length;
document.getElementById('message').innerHTML =
- "Durations: " + millisecondss;
+ "Durations: " + millisecondss + " Average: " + avg;
}
if (durations.length > 0) {
var start2 = new Date();
- new Dygraph(
- document.getElementById('metrics'),
- durations,
- {
- highlightCircleSize: 4,
- labels: [ "Date", "ms" ]
- });
+ if (!metrics) {
+ metrics = new Dygraph(
+ document.getElementById('metrics'),
+ durations,
+ {
+ highlightCircleSize: 4,
+ labels: [ "Date", "ms" ]
+ });
+ } else {
+ metrics.updateOptions({file: durations});
+ }
var end2 = new Date();
document.getElementById("metaperformance").innerHTML =
"completed in " + (end2 - start2) + " milliseconds.";
}
+
+ return millisecondss;
+ };
+
+ setDataType = function(radiobutton) {
+ dataType = radiobutton.value;
};
+ setTimestampType = function(radiobutton) {
+ timestamps = radiobutton.value;
+ };
+
+ var values = {
+ points: 100,
+ series: 1,
+ rollPeriod: 1,
+ repetitions: 1,
+ type: 'sine'
+ };
+
+ // Parse the URL for parameters. Use it to override the values hash.
+ var href = window.location.href;
+ var qmindex = href.indexOf('?');
+ if (qmindex > 0) {
+ var entries = href.substr(qmindex + 1).split('&');
+ for (var idx = 0; idx < entries.length; idx++) {
+ var entry = entries[idx];
+ var eindex = entry.indexOf('=');
+ if (eindex > 0) {
+ values[entry.substr(0, eindex)] = entry.substr(eindex + 1);
+ }
+ }
+ }
+
+ var populate = function(name) {
+ document.getElementById(name).value = values[name];
+ }
+
+ var populateRadio = function(name) {
+ var val = values[name];
+ var elem = document.getElementById(val);
+ elem.checked = true;
+ elem.onclick();
+ }
- document.getElementById('num_points_input').value = '100';
- document.getElementById('num_series_input').value = '1';
- document.getElementById('roll_period_input').value = '1';
- document.getElementById('repetitions').value = '1';
+ populate('points');
+ populate('series');
+ populate('rollPeriod');
+ populate('repetitions');
+ populateRadio('type');
+ if (values["go"]) {
+ updatePlot();
+ }
</script>
</body>
</html>
projects / dygraphs.git / blobdiff