Title: [129773] trunk/Source/_javascript_Core
- Revision
- 129773
- Author
- kl...@webkit.org
- Date
- 2012-09-27 10:04:40 -0700 (Thu, 27 Sep 2012)
Log Message
3.20MB below FunctionParameters::create() on Membuster3.
<http://webkit.org/b/97730>
Reviewed by Anders Carlsson.
Figure out the exact space needed for parameter identifiers and use reserveInitialCapacity().
Reduces memory consumption on Membuster3 by ~1.60 MB.
* parser/Nodes.cpp:
(JSC::FunctionParameters::FunctionParameters):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (129772 => 129773)
--- trunk/Source/_javascript_Core/ChangeLog 2012-09-27 17:01:58 UTC (rev 129772)
+++ trunk/Source/_javascript_Core/ChangeLog 2012-09-27 17:04:40 UTC (rev 129773)
@@ -1,3 +1,16 @@
+2012-09-27 Andreas Kling <kl...@webkit.org>
+
+ 3.20MB below FunctionParameters::create() on Membuster3.
+ <http://webkit.org/b/97730>
+
+ Reviewed by Anders Carlsson.
+
+ Figure out the exact space needed for parameter identifiers and use reserveInitialCapacity().
+ Reduces memory consumption on Membuster3 by ~1.60 MB.
+
+ * parser/Nodes.cpp:
+ (JSC::FunctionParameters::FunctionParameters):
+
2012-09-27 Csaba Osztrogonác <o...@webkit.org>, Tor Arne Vestbø <ves...@webkit.org>
[Qt] Enable the LLInt on Linux
Modified: trunk/Source/_javascript_Core/parser/Nodes.cpp (129772 => 129773)
--- trunk/Source/_javascript_Core/parser/Nodes.cpp 2012-09-27 17:01:58 UTC (rev 129772)
+++ trunk/Source/_javascript_Core/parser/Nodes.cpp 2012-09-27 17:04:40 UTC (rev 129773)
@@ -153,8 +153,14 @@
FunctionParameters::FunctionParameters(ParameterNode* firstParameter)
{
+ unsigned parameterCount = 0;
for (ParameterNode* parameter = firstParameter; parameter; parameter = parameter->nextParam())
- append(parameter->ident());
+ ++parameterCount;
+
+ reserveInitialCapacity(parameterCount);
+
+ for (ParameterNode* parameter = firstParameter; parameter; parameter = parameter->nextParam())
+ uncheckedAppend(parameter->ident());
}
inline FunctionBodyNode::FunctionBodyNode(JSGlobalData* globalData, const JSTokenLocation& location, bool inStrictContext)
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