Profile. See Devel::DProf. Concentrate your efforts at the bottlenecks. If you find slow bits that you can't see how to improve, post them.
If your reading files, templates and the like from disk, create a ram drive and load them from there.
NB: This is highly speculative! If there are truely lots of globals in use, you might get a little from making them lexicals by declaring them at the top of each file using our, assuming your using a version of perl that supports this.
Beyond that, your the man who can see the code. What's it doing that takes so long? PROFILE:)
Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"When I'm working on a problem, I never think about beauty. I think only how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong." -Richard Buckminster Fuller
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