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Date: Wed, 21 Sep 2005 12:10:41 +0200
From: Dirk Bromberg <bromberg@tzi.de>
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To: fop-users@xmlgraphics.apache.org
Subject: Re: problems with times
References: <20050921112516.3C21.DEV@jeremias-maerki.ch>
 <200509211741.43479.mm@arcus.com.au>
 <20050921115436.3C24.DEV@jeremias-maerki.ch>
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To improve the first time i use this 
http://xml.apache.org/xalan-j/xsltc_usage.html to compile my xsl files 
when i compile my application. At the runtime there is a jar with the 
xsl classes and this is what i use at the runtime. So, there are no 
plain xsl file anymore in my application.

Dirk

Jeremias Maerki wrote:
> On 21.09.2005 11:41:43 Manuel Mall wrote:
> <snip/>
>   
>>>> Transformer transformer = factory
>>>> .newTransformer(new StreamSource(xsltfile));
>>>>         
>>> That's exactly it. You reload the stylesheet every time. If you
>>> create a stylesheet cache, you can simply reuse Templates instances.
>>>
>>>       
>> Why would cacheing the stylesheet make the first invocation faster? 
>>     
>
> It doesn't. It just improves overall performance.
>
>   
>> The 
>> original question was about executing a transformation multiple times 
>> in a loop and why the first invocation takes so much longer than the 
>> second and by the 3rd execution times becomes stable. I still think 
>> these time differences are solely JVM/application startup/warmup 
>> related and have nothing to do with cacheing the stylesheet as that 
>> would only make subsequent invocations faster.
>>     
>
> That's correct. But ALi asked for stylesheet caching, so I gave him a
> tip. I assume he won't be against a generally faster solution. :-)
>
> <snip/>
>
>
> Jeremias Maerki
>
>
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