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From "Vladimir Strigun (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-3744) [classlib][luni][performance] performance improvement for java.lang.Character class (toUpperCase, toLowerCase, getType)
Date Tue, 24 Apr 2007 12:26:15 GMT
[classlib][luni][performance] performance improvement for java.lang.Character class (toUpperCase,
toLowerCase, getType)
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                 Key: HARMONY-3744
                 URL: https://issues.apache.org/jira/browse/HARMONY-3744
             Project: Harmony
          Issue Type: Improvement
          Components: Classlib
            Reporter: Vladimir Strigun


Frequently used values in getType, toUpperCase and toLowerŠ”ase methods were cached. First
1000 values for every method were cached as static arrays. The patch was verified with unit
tests and all benchmarks. I have 5-7% speedup for Dacapo.jython benchmark without degradation
on other scenarios.

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