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Posted to commits@harmony.apache.org by "Alexey Petrenko (JIRA)" <ji...@apache.org> on 2007/05/16 08:50:16 UTC
[jira] Closed: (HARMONY-3744) [classlib][luni][performance]
performance improvement for java.lang.Character class (toUpperCase,
toLowerCase, getType)
[ https://issues.apache.org/jira/browse/HARMONY-3744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Petrenko closed HARMONY-3744.
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> [classlib][luni][performance] performance improvement for java.lang.Character class (toUpperCase, toLowerCase, getType)
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: HARMONY-3744
> URL: https://issues.apache.org/jira/browse/HARMONY-3744
> Project: Harmony
> Issue Type: Improvement
> Components: Classlib
> Reporter: Vladimir Strigun
> Assigned To: Alexey Petrenko
> Attachments: Harmony-3744.diff
>
>
> 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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