http://www.perlmonks.org?node_id=1094356


in reply to Re^2: The problem with "The Problem with Threads"
in thread The problem with "The Problem with Threads"

No, it was me who is simply wrong. Actually testing reveals that each thread really has its own namespace, like you say. So I'm less sure of where the actual problem or overhead lies with sharing data across threads, at least where the namespace is involved.