How Can I speed up the results on my JSP page with the help of Caching.

I am generating a dropdown listbox by merging an xml file with a style sheet(xsl).
This list box comes up fine without any problems. Now, I am adding some advanced
logic to the
style sheet (xsl) to use the same xml file in a more efficient way. This time
the generation
of the list box is taking much longer (upto 25 seconds) although I get the results
I want.
Is there any way I could speedup this process by using weblogics caching. I know
the process is slowing down
due to the code in the stylesheet. Will caching resolve this issue?. I tried
using
<wl:cache> </wl:cache> on the jsp page generating this listbox but found no improvement.
Any help will be very much appreciated.

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//create a vector container for the input variables
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input:Enter Value3:arg3
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constant:arg5
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