On 08/09/2011 09:59, Adrian Gonzalez wrote:
> Just downloaded JProfiler eval.
>
> Compared tagfile performance between 7.0.21 and 7.0.trunk (this one this time : http://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk/)
>
> With your optimization, we achieve a 24% performance gain - nice ;)
>
> Test 7.0.21 7.0.trunk
> tagfile 267ms 206ms
>
> You can see JConsole output
> * 7.0.21 : http://imageshack.us/photo/my-images/233/tagperftagfile7021.jpg/
> * 7.0.trunk : http://imageshack.us/photo/my-images/52/tagperftagfile70trunk.jpg/
>
> Tests were made with http://localhost:8080/tagfilesperf/generated/edit-tagfile.jsp
>
>
> One more question though :
> Do you think we can cache ValueExpression instances ?
The parsed expressions are already cached. I don't think there is any
scope for further caching here.
I'll take another look with the profiler just to be sure.
Mark
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