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All the Perl that's Practical to Extract and Report

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  • "And if we can drop this further to around 5 meg, we get close to the memory cost of a forking/process model, which is the only other parallelism model available in the short term that supports many cores transparently."

    Yes, but it's not really available because it's not portable to win32. Besides: A lot of the memory you save with the fork() copy-on-write may eventually be copied when accessed by Perl. Pseudo-code:


    my $foo = 1.;
    fork();
    # $foo SV shared
    if ($foo == 1) {}
    # $foo SV likely not shared any more => integer conversion modified the SV