http://www.perlmonks.org?node_id=1214832
rsFalse has asked for the wisdom of the Perl Monks concerning the following question:

Hello.

Today I've found, that my code with %hash = () is slower than undef %hash about 1.2 times. Perl 5.20.1. My hash contained simple values, not a Hash of Hashes or smth.

I think that %hash = () should be aliased to undef %hash. What is your opinion?