Character.java methods are slower than Surrogate.java's

Ulf Zibis Ulf.Zibis at gmx.de
Mon Dec 7 13:48:10 UTC 2009


Am 07.12.2009 11:19, Christian Thalinger schrieb:
> On Wed, 2009-10-28 at 22:44 +0100, Ulf Zibis wrote:
>   
>> Hi Christian,
>>
>> for a benchmark test I have replaced all sun.nio.cs.Surrogate methods in 
>> sun.nio.cs.ext.EUC_TW with corresponding ones from java.lang.Character.
>>
>> As result, the overall encoding performance was 10 % worse, so 
>> java.lang.Character's methods must be much worser.
>>
>> Can you have a look, if there is a chance to better optimize 
>> java.lang.Character methods from HotSpot compiler side.
>>     
>
> I think you're already looking into this yourself.  -- Christian
>
>
>   
Yes, correct, I'm trying...

-Ulf




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