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From Sriram83 <ssrira...@gmail.com>
Subject Re: XSL Transformation in Xalan - Pls help!
Date Mon, 15 Sep 2008 08:36:42 GMT

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.


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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