Changeset: 6b48ea20e0b9 Author: martin Date: 2009-11-04 15:22 -0800 URL: http://hg.openjdk.java.net/jdk7/tl/jdk/rev/6b48ea20e0b9
6897993: (se) Close or cancel performance issue when number of pending updates is high (lnx) Summary: Use O(1) Iterator instead of O(N) operations on LinkedList updateList Reviewed-by: alanb Contributed-by: Igor Chernyshev <ig...@google.com> ! src/solaris/classes/sun/nio/ch/EPollArrayWrapper.java + test/java/nio/channels/Selector/LotsOfCancels.java Changeset: 6d24852165ba Author: martin Date: 2009-11-05 16:12 -0800 URL: http://hg.openjdk.java.net/jdk7/tl/jdk/rev/6d24852165ba 6897553: LinkedList performance improvements Summary: LinkedList of size N creates N+1 instead of N+2 objects. Comparing against null is faster than comparing against sentinel node Reviewed-by: dl, jjb, forax ! src/share/classes/java/util/LinkedList.java ! test/java/util/Collection/MOAT.java Changeset: 285f9f567cb4 Author: martin Date: 2009-11-05 16:12 -0800 URL: http://hg.openjdk.java.net/jdk7/tl/jdk/rev/285f9f567cb4 6898220: Optimize Formatter.parse (including String.printf) Summary: Create fewer objects when parsing Reviewed-by: sherman Contributed-by: Daniel Martin <d...@google.com> ! src/share/classes/java/util/Formatter.java
