Title: [142260] trunk/Source/_javascript_Core
- Revision
- 142260
- Author
- [email protected]
- Date
- 2013-02-08 04:45:44 -0800 (Fri, 08 Feb 2013)
Log Message
JSC: Lower minimum PropertyTable size.
<http://webkit.org/b/109247>
Reviewed by Darin Adler.
Lower the minimum table size for PropertyTable from 16 to 8.
3.32 MB progression on Membuster3 (a ~13% reduction in memory used by PropertyTables.)
* runtime/PropertyMapHashTable.h:
(PropertyTable):
(JSC::PropertyTable::sizeForCapacity):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (142259 => 142260)
--- trunk/Source/_javascript_Core/ChangeLog 2013-02-08 12:42:31 UTC (rev 142259)
+++ trunk/Source/_javascript_Core/ChangeLog 2013-02-08 12:45:44 UTC (rev 142260)
@@ -1,3 +1,17 @@
+2013-02-08 Andreas Kling <[email protected]>
+
+ JSC: Lower minimum PropertyTable size.
+ <http://webkit.org/b/109247>
+
+ Reviewed by Darin Adler.
+
+ Lower the minimum table size for PropertyTable from 16 to 8.
+ 3.32 MB progression on Membuster3 (a ~13% reduction in memory used by PropertyTables.)
+
+ * runtime/PropertyMapHashTable.h:
+ (PropertyTable):
+ (JSC::PropertyTable::sizeForCapacity):
+
2013-02-07 Roger Fong <[email protected]>
Unreviewed. More VS2010 WebKit solution touchups.
Modified: trunk/Source/_javascript_Core/runtime/PropertyMapHashTable.h (142259 => 142260)
--- trunk/Source/_javascript_Core/runtime/PropertyMapHashTable.h 2013-02-08 12:42:31 UTC (rev 142259)
+++ trunk/Source/_javascript_Core/runtime/PropertyMapHashTable.h 2013-02-08 12:45:44 UTC (rev 142260)
@@ -234,7 +234,7 @@
unsigned m_deletedCount;
OwnPtr< Vector<PropertyOffset> > m_deletedOffsets;
- static const unsigned MinimumTableSize = 16;
+ static const unsigned MinimumTableSize = 8;
static const unsigned EmptyEntryIndex = 0;
};
@@ -587,7 +587,7 @@
inline unsigned PropertyTable::sizeForCapacity(unsigned capacity)
{
- if (capacity < 8)
+ if (capacity < MinimumTableSize / 2)
return MinimumTableSize;
return nextPowerOf2(capacity + 1) * 2;
}
_______________________________________________
webkit-changes mailing list
[email protected]
https://lists.webkit.org/mailman/listinfo/webkit-changes
