[XOM-interest] StackOverflowError compiling XOM
cowwoc
cowwoc at bbs.darktech.org
Sun Aug 10 00:08:06 EDT 2008
I used the Netbeans profiler under JDK6-update10. Please confirm you
see the same improvement on your end.
Gili
Elliotte Harold wrote:
> cowwoc wrote:
>>
>> I've generated a replacement for UnicodeUtil.getCombiningClass()
>> that consists of 223 lines of code and runs approximately 20x faster
>> than the original code (which consists of 1143 lines of code). Please
>> see the attached file.
>>
>
> How did you measure this?
>
> I'm a little surprised because this is an approach that I recall taking
> earlier in a different part of the code and we moved to something more
> like what we have now because it was faster (and then we moved to
> something faster still, and then again to something even faster. However
> I haven't gotten around to making those 3rd and 4th optimizations in
> UnicodeUtil.) Perhaps JIT characteristics have changed since then.
>
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