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Message from discussion Very poor Lisp performance
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jayessay  
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 More options 14 Aug 2005, 17:04
Newsgroups: comp.lang.lisp
From: jayessay <nos...@foo.com>
Date: 14 Aug 2005 12:04:18 -0400
Local: Sun 14 Aug 2005 17:04
Subject: Re: Very poor Lisp performance

Jon Harrop <use...@jdh30.plus.com> writes:
> Ulrich Hobelmann wrote:
> > I wouldn't consider 5 times as slow as a *functional* language very
> > competitive, but it might be fast enough for many problems.

> Well, it's relative. Most of the other Lisp/Scheme implementations were two
> orders of magnitude slower. Stalin gets even closer than SBCL.

Which Lisps are you talking about?  We've already seen where Allegro
is faster than this SBCL timing and it hadn't even been optimized yet.
I would be surprised if Lispworks were much different in this regard
as well.  

> Also, MLton often beats g++, so functional languages aren't slow coaches any
> more...

So do many CL implementations on many benchmarks when "properly"
written.  Several have been shown here in the past.  Typically this
starts with the original posting "showing" how bad CL is supposed to
be when comparing optimized C/C++ with naively written CL.  It also
often ends with the CL version beating the optimized C/C++ version.

Most typical of all is that such benchmarks (including this ray
tracing thing) don't have much of anything interesting to say about
anything.

/Jon

--
'j' - a n t h o n y at romeo/charley/november com


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