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[perf-test] Add a binding benchmark for getElementById() for an undefined id
authorharaken@chromium.org <haraken@chromium.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Fri, 18 May 2012 09:23:35 +0000 (09:23 +0000)
committerharaken@chromium.org <haraken@chromium.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Fri, 18 May 2012 09:23:35 +0000 (09:23 +0000)
https://bugs.webkit.org/show_bug.cgi?id=86812

Reviewed by Ryosuke Niwa.

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

This patch adds a benchmark for document.getElementById() for an undefined id.
This benchmark covers 'getElementById (not in document)' in Dromaeo/dom-query.html,
and other Node-query methods that return a null.'

(Note: This benchmark is slower than document.getElementById() for a defined id.
We will fix the performance issue soon.)

Test results in my Linux desktop:

RESULT Bindings: undefined-get-element-by-id= 271.945751345 runs/s
median= 273.122389532 runs/s, stdev= 6.78219237299 runs/s, min= 257.4002574 runs/s, max= 281.690140845 runs/s

RESULT Bindings: undefined-get-element-by-id= 269.105872408 runs/s
median= 268.948655257 runs/s, stdev= 5.73707323755 runs/s, min= 257.4002574 runs/s, max= 278.128950695 runs/s

RESULT Bindings: undefined-get-element-by-id= 269.987513372 runs/s
median= 272.952853598 runs/s, stdev= 5.30252336078 runs/s, min= 255.754475703 runs/s, max= 273.97260274 runs/s

RESULT Bindings: undefined-get-element-by-id= 270.169625901 runs/s
median= 271.604938272 runs/s, stdev= 5.29502391906 runs/s, min= 258.064516129 runs/s, max= 278.481012658 runs/s

RESULT Bindings: undefined-get-element-by-id= 269.054631422 runs/s
median= 267.966292802 runs/s, stdev= 6.27197240579 runs/s, min= 258.064516129 runs/s, max= 278.481012658 runs/s

* Bindings/undefined-get-element-by-id.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@117569 268f45cc-cd09-0410-ab3c-d52691b4dbfc

PerformanceTests/Bindings/undefined-get-element-by-id.html [new file with mode: 0644] patch | blob
PerformanceTests/ChangeLog patch | blob | history

diff --git a/PerformanceTests/Bindings/undefined-get-element-by-id.html b/PerformanceTests/Bindings/undefined-get-element-by-id.html
new file mode 100644 (file)
index 0000000..d6988ad
--- /dev/null
+++ b/PerformanceTests/Bindings/undefined-get-element-by-id.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html>
+<body>
+<script src="../resources/runner.js"></script>
+<script>
+PerfTestRunner.runPerSecond({
+    description: "This benchmark covers 'getElementById (not in document)' in Dromaeo/dom-query.html, and other Node-query methods that return a null.",
+    run: function() {
+        for (var i = 0; i < 100000; i++)
+            document.getElementById("foo");
+}});
+</script>
+</body>
+</html>
diff --git a/PerformanceTests/ChangeLog b/PerformanceTests/ChangeLog
index f71acfa..ff3172c 100644 (file)
--- a/PerformanceTests/ChangeLog
+++ b/PerformanceTests/ChangeLog
@@ -1,5 +1,41 @@
 2012-05-18  Kentaro Hara  <haraken@chromium.org>
 
+        [perf-test] Add a binding benchmark for getElementById() for an undefined id
+        https://bugs.webkit.org/show_bug.cgi?id=86812
+
+        Reviewed by Ryosuke Niwa.
+
+        We should remove Bindings/dom-attributes.html and instead add more
+        reasonable micro benchmarks by classifying DOM binding call paths.
+
+        This patch adds a benchmark for document.getElementById() for an undefined id.
+        This benchmark covers 'getElementById (not in document)' in Dromaeo/dom-query.html,
+        and other Node-query methods that return a null.'
+
+        (Note: This benchmark is slower than document.getElementById() for a defined id.
+        We will fix the performance issue soon.)
+
+        Test results in my Linux desktop:
+
+        RESULT Bindings: undefined-get-element-by-id= 271.945751345 runs/s
+        median= 273.122389532 runs/s, stdev= 6.78219237299 runs/s, min= 257.4002574 runs/s, max= 281.690140845 runs/s
+
+        RESULT Bindings: undefined-get-element-by-id= 269.105872408 runs/s
+        median= 268.948655257 runs/s, stdev= 5.73707323755 runs/s, min= 257.4002574 runs/s, max= 278.128950695 runs/s
+
+        RESULT Bindings: undefined-get-element-by-id= 269.987513372 runs/s
+        median= 272.952853598 runs/s, stdev= 5.30252336078 runs/s, min= 255.754475703 runs/s, max= 273.97260274 runs/s
+
+        RESULT Bindings: undefined-get-element-by-id= 270.169625901 runs/s
+        median= 271.604938272 runs/s, stdev= 5.29502391906 runs/s, min= 258.064516129 runs/s, max= 278.481012658 runs/s
+
+        RESULT Bindings: undefined-get-element-by-id= 269.054631422 runs/s
+        median= 267.966292802 runs/s, stdev= 6.27197240579 runs/s, min= 258.064516129 runs/s, max= 278.481012658 runs/s
+
+        * Bindings/undefined-get-element-by-id.html: Added.
+
+2012-05-18  Kentaro Hara  <haraken@chromium.org>
+
         [perf-test] Add a binding benchmark for getElementsByTagName()
         https://bugs.webkit.org/show_bug.cgi?id=86810
 
Domain: Web Framework / Uncategorized;