Dear Evil Attraction
I've read at the merlyn's "Learning Perl Objects, References & Modules" that OO Perl (as any other OO system or language) gives up on performance in favor of readability and (mainly) code reusability.

IMHO, if you're looking for performance improvements, chopping the OO implementation will not be that useful. Maybe you should benchmark your application and determine where are the bottlenecks you need fix. Try to optimize the bottlenecks as the main way to improve performance, and always take into account the performance cost intrinsic to object-oriented implementations.

Good luck!

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monsieur_champs