Devel::NYTProf, available on CPAN, is also your friend here. It does a wonderful job of showing where the time is going. If your subroutine is only a tiny fraction of the total time used, there's not much point in making it uglier to make it faster. If it is a major player, the profiler will point you to the parts that are worth tuning.

In reply to Re^3: Whats quicker - passing along as variable to sub, or global var? by jpl
in thread Whats quicker - passing along as variable to sub, or global var? by ultranerds

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