2010-12-26 Patrick Gansterer <paroga@webkit.org>

        Reviewed by Eric Seidel.

        Improve output of HTML parser benchmark
        https://bugs.webkit.org/show_bug.cgi?id=51611

        Calculate and show median, min and max values.

        * benchmarks/parser/html-parser.html:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@74671 268f45cc-cd09-0410-ab3c-d52691b4dbfc

diff --git a/WebCore/ChangeLog b/WebCore/ChangeLog
index 7c76dca..d702348 100644 (file)
--- a/WebCore/ChangeLog
+++ b/WebCore/ChangeLog
@@ -1,3 +1,14 @@
+2010-12-26  Patrick Gansterer  <paroga@webkit.org>
+
+        Reviewed by Eric Seidel.
+
+        Improve output of HTML parser benchmark
+        https://bugs.webkit.org/show_bug.cgi?id=51611
+
+        Calculate and show median, min and max values.
+
+        * benchmarks/parser/html-parser.html:
+
 2010-12-26  Abhishek Arya  <inferno@chromium.org>
 
         Reviewed by Simon Fraser.

diff --git a/WebCore/benchmarks/parser/html-parser.html b/WebCore/benchmarks/parser/html-parser.html
index 56a40c3..f3e99ec 100644 (file)
--- a/WebCore/benchmarks/parser/html-parser.html
+++ b/WebCore/benchmarks/parser/html-parser.html
@@ -38,6 +38,32 @@ function computeAverage(values) {
     return sum / values.length;
 }
 
+function computeMax(values) {
+    var max = values.length ? values[0] : 0;
+    for (var i = 1; i < values.length; i++) {
+        if (max < values[i])
+            max = values[i];
+    }
+    return max;
+}
+
+function computeMedian(values) {
+    values.sort(function(a, b) { return a - b; });
+    var len = values.length;
+    if (len % 2)
+        return values[(len-1)/2];
+    return (values[len/2-1] + values[len/2]) / 2;
+}
+
+function computeMin(values) {
+    var min = values.length ? values[0] : 0;
+    for (var i = 1; i < values.length; i++) {
+        if (min > values[i])
+            min = values[i];
+    }
+    return min;
+}
+
 function computeStdev(values) {
     var average = computeAverage(values);
     var sumOfSquaredDeviations = 0;
@@ -51,7 +77,10 @@ function computeStdev(values) {
 function logStatistics(times) {
     log("");
     log("avg " + computeAverage(times));
+    log("median " + computeMedian(times));
     log("stdev " + computeStdev(times));
+    log("min " + computeMin(times));
+    log("max " + computeMax(times));
 }
 
 function run() {