in reply to Re: Perl Threads and multi-core CPUs
in thread Perl Threads and multi-core CPUs

Doesn't refcounting kinda defeat COW?

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Re^3: Perl Threads and multi-core CPUs
by perrin (Chancellor) on Sep 10, 2008 at 05:38 UTC
    Not really. It will erode some of the shared pages over time, but in practice COW saves a lot of memory.