Fix bug 382. Simplify resizing by not recreating everything from scratch. This makes...
[dygraphs.git] / tests / perf.html
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1<!DOCTYPE html>
2<html>
3 <head>
4 <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
5 <title>perf</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 <script type="text/javascript" src="data.js"></script>
16 </head>
17 <body>
18 <div id="div_g" style="width:600px; height:300px;"></div>
19 <div id="status"></div>
20
21 <script type="text/javascript">
22 var num_tests = 250;
23 var times = [];
24 var start = new Date;
25
26 for (var i = 0; i < num_tests; i++) {
27 var this_start = new Date;
28 // Calling destroy() here reduces the memory usage in Chrome by
29 // ~1.2MB/instantiation.
30 if (i) g.destroy();
31 g = new Dygraph(
32 document.getElementById("div_g"),
33 NoisyData, {
34 rollPeriod: 7,
35 errorBars: true
36 }
37 );
38 var this_end = new Date;
39 times.push([i, this_end - this_start]);
40 }
41
42 var end = new Date;
43
44 document.getElementById("status").innerHTML = "Elapsed time: " + (end - start)/num_tests + " ms/instantiation";
45 perf = new Dygraph(
46 document.getElementById("div_g"),
47 times, {
48 labels: [ "Iteration", "Time (ms)" ]
49 }
50 );
51 </script>
52
53 <p><b>Some numbers on a MacBook Pro 2.53 GHz Core 2 Duo</b><br/>
54 <table border="1"><tbody>
55 <tr><td>commit</td><td>Firefox 3.0.15</td><td>Safari 4.0.3</td></tr>
56 <tr><td>bb5899c56e33716db724cb60a5120b91f5fccdeb</td>
57 <td>28 ms/instantiation</td>
58 <td>15.02 ms/instantiation</td></tr>
59 <tr><td>2847c1cf1a2874e9fe56b5749e6e105e37bb086a</td>
60 <td>49.27 ms/instantiation</td>
61 <td>24.48 ms/instantiation</td></tr>
62 </tbody></table>
63 </p>
64 </body>
65</html>