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Re: Re: Re: Specific Examples? - Re: A Macro System for Perl?

by Elian (Parson)
on May 03, 2002 at 20:39 UTC ( [id://163898]=note: print w/replies, xml ) Need Help??


in reply to Re: Re: Specific Examples? - Re: A Macro System for Perl?
in thread A Macro System for Perl?

I wouldn't bet that. A good compiled lisp, and there are a number of them, will beat the pants off of perl for many things. (Regular expressions being a notable exception)

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Re:(4:)Specific Examples? - Re: A Macro System for Perl?
by shotgunefx (Parson) on May 03, 2002 at 21:06 UTC
    To be honest, my experience with Lisp is limited. The view I had of Lisp being slow was due to
    1. Working with a platform that was implemented in Lisp by pg that was slow and memory intensive compared to other languages.
    2. A discussion between Paul Graham and Trevor Blackwell where they benchmarked some simple and common operations using C, Perl and Lisp.

    (I'm trying to dig it up now.) If I remember correctly, ANSI Clisp had to perform around 400+ operations to print a single character. Don't quote me on that though. I'll try and find the doc.

    -Lee

    "To be civilized is to deny one's nature."
      Printing's a rather significant piece of work, though--take a look at the hoops perl potentially has to jump through to do something like "print $foo". ('Specially if $foo is overloaded or tied)

      Anyway, while Lisp is rather difficult to optimize in some ways, it's not at all tough to compile. I think you'll find that, for those tasks which fit a Lisp mindset well, Lisp will wipe the floor with perl. If Lisp is running interpreted, then Perl's likely to win for some stuff, but never underestimate the power of compilation...

        I don't disagree on the power of compiliation. I come from a low level programming background originally. (Video drivers, graphics engines.) I was under the false impression that most Lisps are interpreted.

        As an aside, this is IMHO one of the better threads to come across the Monastery in a bit.

        -Lee

        "To be civilized is to deny one's nature."

      If you are specifically referring to the CLISP implementation of Lisp (which isn't unlikely, as it's the one that Graham used for his famous Yahoo stores project), then it's important to note that (with a few exceptions like bignum arithmetic) it's a pretty slow Lisp. It'd be more interesting to see how something like ACL or Lispworks did.

        Yes it's CLISP and the "slow" project I was referring to was indeed the Y! Store project. Which is being ported to Perl or C. Thanks for the enlightenment.

        -Lee

        "To be civilized is to deny one's nature."

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