update benchmark result

bench.html

@@ -11,6 +11,8 @@
         <script>
         $.get('bench_str.csv', function(data) {
 
+
+
         var options = {
             chart: {
                 zoomType: 'x',
@@ -147,6 +149,11 @@
         };
 
         var lines = data.split(/\n/);
+
+        // keep window size to 30 records
+        lines.splice(-30);
+        lines = lines.splice(lines.length - 30);
+
         $(lines).each(function(i,line) {
             var columns = line.split(/,/);
             var a;

bench_str.csv

@@ -614,3 +614,7 @@
 1447154388,13619724.42,5891895.35,66576.25,2542931.44
 1447154397,13274559.00,5736176.87,66576.25,2538733.05
 1447154407,13445232.76,5381001.80,89240.51,2576233.33
+1447155008,13277391.26,5722360.39,71089.90,2475000.02
+1447155019,13581101.21,5484972.04,45100.04,2192286.64
+1447155029,13116025.99,5830570.40,52428.80,2522486.73
+1447155066,13645222.60,5724509.20,62601.55,2514659.99