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From Richard Sitze <>
Subject Re: commons benchmark in sandbox.
Date Wed, 16 Feb 2005 19:43:22 GMT
With so many benchmark and profiling tools available that do not require 
instrumenting the code, what real benefit do you see this providing? 
Similarly, with AspectJ [or other alternatives], what are you providing 
that goes beyond what you might do in that space?


Richard A. Sitze
IBM WebSphere WebServices Development

"Kevin A. Burton" <> wrote on 02/16/2005 01:27:24 

> Hey.
> I just added a new project to the sandbox.  Its designed to provide 
> lightweight runtime benchmarking for Java code.  Think log4j for 
> benchmarking.
> The code can be disabled at runtime with almost no performance hit.  Its 

> also very fast when enabled as well being able to product 1M benchmarks 
> per second with a modern CPU.
> The goal is to provide universal and exported performance benchmarks 
> that can be enabled at runtime for the JVM.  It can also be used to 
> provide historical benchmarking.  Think perfmon for Java.  We actually 
> are using it to tie it into ganglia and rrdtool so that we can generate 
> graphs as the the performance of our application.
> Right now its just a working proof of concept and needs a lot before it 
> can be shipped.  Better API design, XML configuration support, 
> documentation, etc.
> Once (and if) its in Jakarta and out of the sandbox it could be used in 
> packages like FeedParser or Tomcat to export benchmarking statistics.
> Kevin
> -- 
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> Kevin A. Burton, Location - San Francisco, CA
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