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Re^3: Perl 5 Optimizing Compiler, Part 5: A Vague Outline Emerges

by rurban (Scribe)
on Sep 20, 2012 at 21:03 UTC ( #994756=note: print w/ replies, xml ) Need Help??


in reply to Re^2: Perl 5 Optimizing Compiler, Part 5: A Vague Outline Emerges
in thread Perl 5 Optimizing Compiler, Part 5: A Vague Outline Emerges

moritz: flavio glock's perlito already was able to parse and compile a fast subset of perl and execute it on nodejs (javascript) 3x faster than perl itself, and also with sbcl (a fast common lisp).


Comment on Re^3: Perl 5 Optimizing Compiler, Part 5: A Vague Outline Emerges
Re^4: Perl 5 Optimizing Compiler, Part 5: A Vague Outline Emerges
by chromatic (Archbishop) on Sep 20, 2012 at 21:14 UTC
    ... a fast subset of perl...

    The same thing came up in Perl 6 development more times than I could remember. Someone would show up and say "I have a very basic Perl 6 implementation on $virtual_machine that's n times faster than $other_implementation!" and it turns out they had implemented a calculator which did integer math.

    No disrespect to Flavio or Perlito, but "fast subset" only starts to get interesting when that "subset" is more set than sub.

      It already is.


      With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
      Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
      "Science is about questioning the status quo. Questioning authority".
      In the absence of evidence, opinion is indistinguishable from prejudice.

      RIP Neil Armstrong

        ... except for the things that make Perl 5 slow, like tie and overload and AUTOLOAD, and other things that real programs tend to rely on like CPAN and XS and timely destruction and variable aliasing and Unicode and BEGIN and caller context.

        Like I said, "subset".

        Again, I like Perlito and I want to see it succeed, but its current performance numbers demonstrate that the subset of Perl that isn't exceedingly difficult to optimize can be implemented with pretty good efficiency. That's all.

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