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Re^2: Parrot, threads & fears for the future.by liz (Monsignor) |
on Oct 23, 2006 at 16:57 UTC ( [id://580099]=note: print w/replies, xml ) | Need Help?? |
They don't use native threads; the entire program This is not true generally. On unixen, the local thread implementation is used for providing threads, but each thread has its own interpreter and its own copy of the data structures.
There's still way too much global state in Perl 5.
Cloning an interpreter and the global state is hideously expensive.
Liz
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