I have no problem in rating a module. I could do this day and night and not fear that I'm "discriminating" the author. But if I do this in some hidden thread @ PM (perlmonks), or in PM (personal mail), I will help an/several order(s) of magnitude less people, than if CPAN natively provided such a voting/commentary mechanism.

E.g. comment for a given module:

Tree::Nary

• the author has not time to maintain it
• it is written as a 1:1 transcript from a C implementation of Nary trees. Moreover it uses a hash for every node. If native Perl structures were used such as Lists, the memory requirements would go down 50% and the speed improve by a factor of 5.
• if the module was rewritten more radically so an object would be a whole tree (using lists of lists) and not every leaf, this would give a memory requirement of 25% of the CPAN solution and a speed improvement by a factor of 38!

How do I know? I have these implementations here. Will I contribute them? Not to this CPAN.

Lingua::NL::Numbers

• generates simply wrong output. Bug: 1100 is "duisend" (thousand)

Lingua::IT::Numbers

• requires 5.8.2 with no reason
• The most bloated module I've ever seen. requires Regexp::Common::numbers for NO reason.

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