<body>
<p>Plot which can be easily generated with different numbers of points for
benchmarking/profiling and improving performance of dygraphs.</p>
- <p>Data to plot:
- <input type="radio" id="sine" name="group1" value="sine"
- onclick="clickedRadioButton(this);" checked> sinusoid function
- <input type="radio" id="rand" name="group1" value="rand"
- onclick="clickedRadioButton(this);"> random points <br></p>
- <p>Number of points:
- <input type="text" id="points" size="20"></p>
- <p>Number of series:
- <input type="text" id="series" size="20"></p>
- <p>Roll period (in points):
- <input type="text" id="rollPeriod" 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 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;
}
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++) {
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);
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;
};
- clickedRadioButton = function(radiobutton) {
+ setDataType = function(radiobutton) {
dataType = radiobutton.value;
};
+ setTimestampType = function(radiobutton) {
+ timestamps = radiobutton.value;
+ };
var values = {
points: 100,
series: 1,
rollPeriod: 1,
repetitions: 1,
- type: 'sine',
+ type: 'sine'
};
// Parse the URL for parameters. Use it to override the values hash.
projects / dygraphs.git / blobdiff