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From Stefano Mazzocchi <stef...@apache.org>
Subject Re: TreeProcessor speed
Date Tue, 22 Jan 2002 13:17:17 GMT
Sylvain Wallez wrote:
> 
> Hi team,
> 
> I just did some time measurements to compare the compiled and
> interpreted sitemap engines. The tests were done on a 1GHz Win2K PC
> running JDK 1.3.1/server hotspot and Tomcat 4.0.
> 
> I used "ab" to load-test two pages with 1000 requests :
> - the welcome page (cocoon/welcome) which involves a simple
> generate/transform/serialize pipeline
> - the main docs page (cocoon/documents/index.html) which is a huge
> aggregation of "cocoon:" sources.
> 
> Several 1000 page requests were run and their result ignored to allow
> the hotspot to do its job.
> 
> The results are as follows, in requets/second :
> 
> page     |  compiled  |interpreted |
> ---------+------------+------------|
> welcome  |   105      |    115     |
> docs     |    37      |     35     |
> 
> These results are quite encouraging since simple pipelines are a faster
> in interpreted mode.
> 
> For the "docs" page, I have to check the code for both aggregate and
> cocoon: to gain the few millisecs that are needed to beat the compiled
> engine ;

All I can say is 'great job' and keep it up!

-- 
Stefano Mazzocchi      One must still have chaos in oneself to be
                          able to give birth to a dancing star.
<stefano@apache.org>                             Friedrich Nietzsche
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