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From "Kevin Zhou (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-6045) [classlib] [luni] Optimize java.lang.String.toUpperCase(), String.toLowerCase() and String sharing for more performance gains
Date Mon, 15 Dec 2008 02:19:44 GMT
[classlib] [luni] Optimize java.lang.String.toUpperCase(), String.toLowerCase() and String
sharing for more performance gains
-----------------------------------------------------------------------------------------------------------------------------

                 Key: HARMONY-6045
                 URL: https://issues.apache.org/jira/browse/HARMONY-6045
             Project: Harmony
          Issue Type: Improvement
          Components: Classlib
    Affects Versions: 5.0M8
            Reporter: Kevin Zhou
             Fix For: 5.0M9


Recently, I make some improvement on java.lang.String and java.lang.AbstractStringBuilder
class for more performance gains. 
1. Move the share mode for all the AbstractStringBuilder.append method, since the append never
change the share things.
2. Move the share mode in AbstractStringBuilder.setLength method
3. Add the special care for the ASCII things, especially on case things of String.toUpperCase
and to LowerCase methods.

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