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[Performance test] Add a micro benchmark for div.firstChild getter
authorharaken@chromium.org <haraken@chromium.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Thu, 17 May 2012 11:37:28 +0000 (11:37 +0000)
committerharaken@chromium.org <haraken@chromium.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Thu, 17 May 2012 11:37:28 +0000 (11:37 +0000)
https://bugs.webkit.org/show_bug.cgi?id=86582

Reviewed by Ryosuke Niwa.

We are going to remove Bindings/dom-attributes.html and instead add more
reasonable micro benchmarks by classifying DOM binding call paths.

In this bug, we add a micro benchmark for div.firstChild getter.
This benchmark covers 'firstChild', 'lastChild', 'nextSibling' and
'previousSibling' in Dromaeo/dom-traverse.html, and other DOM attributes
that return a Node object.

Multiple test results in my Linux desktop:

RESULT Bindings: first-child= 798.157160346 runs/s
median= 798.004987531 runs/s, stdev= 1.52006063407 runs/s, min= 796.019900498 runs/s, max= 801.001251564 runs/s
RESULT Bindings: first-child= 797.603608554 runs/s
median= 797.872340426 runs/s, stdev= 2.2522621261 runs/s, min= 791.556728232 runs/s, max= 801.001251564 runs/s
RESULT Bindings: first-child= 798.656295468 runs/s
median= 798.004987531 runs/s, stdev= 1.79367478063 runs/s, min= 797.01120797 runs/s, max= 803.011292346 runs/s
RESULT Bindings: first-child= 797.812784267 runs/s
median= 798.004987531 runs/s, stdev= 2.31766523191 runs/s, min= 791.100123609 runs/s, max= 802.005012531 runs/s
RESULT Bindings: first-child= 797.963311597 runs/s
median= 798.004987531 runs/s, stdev= 2.53014907337 runs/s, min= 789.14919852 runs/s, max= 801.001251564 runs/s

* Bindings/first-child.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@117430 268f45cc-cd09-0410-ab3c-d52691b4dbfc

PerformanceTests/Bindings/first-child.html [new file with mode: 0644] patch | blob
PerformanceTests/ChangeLog patch | blob | history

diff --git a/PerformanceTests/Bindings/first-child.html b/PerformanceTests/Bindings/first-child.html
new file mode 100644 (file)
index 0000000..f171425
--- /dev/null
+++ b/PerformanceTests/Bindings/first-child.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<body>
+<script src="../resources/runner.js"></script>
+<script>
+var div = document.createElement("div");
+div.appendChild(document.createElement("div"));
+
+PerfTestRunner.runPerSecond({
+    description: "This benchmark covers 'firstChild', 'lastChild', 'nextSibling' and 'previousSibling' in Dromaeo/dom-traverse.html, and other DOM attributes that return a Node object.",
+    run: function() {
+        var localDiv = div;
+        for (var i = 0; i < 100000; i++)
+            localDiv.firstChild;
+}});
+</script>
+</body>
+</html>
diff --git a/PerformanceTests/ChangeLog b/PerformanceTests/ChangeLog
index 8823aae..0ff8156 100644 (file)
--- a/PerformanceTests/ChangeLog
+++ b/PerformanceTests/ChangeLog
@@ -1,3 +1,33 @@
+2012-05-17  Kentaro Hara  <haraken@chromium.org>
+
+        [Performance test] Add a micro benchmark for div.firstChild getter
+        https://bugs.webkit.org/show_bug.cgi?id=86582
+
+        Reviewed by Ryosuke Niwa.
+
+        We are going to remove Bindings/dom-attributes.html and instead add more
+        reasonable micro benchmarks by classifying DOM binding call paths.
+
+        In this bug, we add a micro benchmark for div.firstChild getter.
+        This benchmark covers 'firstChild', 'lastChild', 'nextSibling' and
+        'previousSibling' in Dromaeo/dom-traverse.html, and other DOM attributes
+        that return a Node object.
+
+        Multiple test results in my Linux desktop:
+
+        RESULT Bindings: first-child= 798.157160346 runs/s
+        median= 798.004987531 runs/s, stdev= 1.52006063407 runs/s, min= 796.019900498 runs/s, max= 801.001251564 runs/s
+        RESULT Bindings: first-child= 797.603608554 runs/s
+        median= 797.872340426 runs/s, stdev= 2.2522621261 runs/s, min= 791.556728232 runs/s, max= 801.001251564 runs/s
+        RESULT Bindings: first-child= 798.656295468 runs/s
+        median= 798.004987531 runs/s, stdev= 1.79367478063 runs/s, min= 797.01120797 runs/s, max= 803.011292346 runs/s
+        RESULT Bindings: first-child= 797.812784267 runs/s
+        median= 798.004987531 runs/s, stdev= 2.31766523191 runs/s, min= 791.100123609 runs/s, max= 802.005012531 runs/s
+        RESULT Bindings: first-child= 797.963311597 runs/s
+        median= 798.004987531 runs/s, stdev= 2.53014907337 runs/s, min= 789.14919852 runs/s, max= 801.001251564 runs/s
+
+        * Bindings/first-child.html: Added.
+
 2012-05-16  Kentaro Hara  <haraken@chromium.org>
 
         [Performance test] Support "description" for PerfTestRunner.run and PerfTestRunner.runPerSecond
Domain: Web Framework / Uncategorized;