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From Sriram83 <ssrira...@gmail.com>
Subject Re: XSL Transformation in Xalan - Pls help!
Date Mon, 15 Sep 2008 11:23:04 GMT

We compiled the files in the linux box. We were not able to see any
differences in the performance. 

Has anyone faced a similar situation for XSL transformation in Linux?

Thanks,
Sriram


Sriram83 wrote:
> 
> Hi Tatu / Mukul,
> 
> Thanks for your responses. 
> 
> 1/. We are trying to compile in the linux environment and check out the
> timings. I will post the details after we try this out. 
> 
> 2/. Tatu - we are giving sufficient time for JVM to warm-up. First we run
> a load test with 1 user for 15 minutes. After this test, we ran with 3
> users for 1/2 hour. The times I mentioned below are average time taken for
> around 1500 transactions.
> 
> Thanks,
> Sriram
> 
> 
> Tatu Saloranta wrote:
>> 
>> --- On Sat, 9/13/08, Mukul Gandhi <gandhi.mukul@gmail.com> wrote:
>> 
>> ...
>>> Also I wrote, the execution timing on both the OSs is < 1 second. To
>>> my opinion, you can ignore such a small difference.
>> 
>> Or more precisely: the methodology for testing seems flawed. Because of
>> the way modern JVMs work, single run without sufficient warmup time and
>> repetitions only tests how fast JVM can ramp up things.
>> It tells very little about application or library performance.
>> 
>> To get a realistic picture, one needs to run multiple transformations;
>> first to "warm up" JVM (since it will load in system libraries, hot spot
>> compiler will compile some byte code to native code etc), and only then
>> measure. And measure multiple runs as well.
>> 
>> -+ Tatu +-
>> 
>> 
>> 
>>       
>> 
>> 
> 
> 

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