Re: Just how fast is LISP?

schwartz@roke.cs.psu.edu (Scott Schwartz)
Wed, 20 Nov 1991 19:03:03 -0500

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Related articles
Re: Current work in compiler/language design. sverker@sics.se (1991-11-19)
Just how fast is LISP? pschmidt@convex.com (1991-11-20)
Re: Just how fast is LISP? schwartz@roke.cs.psu.edu (1991-11-20)
Re: Just how fast is LISP? barmar@think.com (1991-11-21)
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[3 later articles]
| List of all articles for this month |
Newsgroups: comp.compilers
From: schwartz@roke.cs.psu.edu (Scott Schwartz)
Keywords: Lisp, performance
Organization: penn state university, computer science
References: 91-11-072 91-11-080
Date: Wed, 20 Nov 1991 19:03:03 -0500

pschmidt@convex.com (Perry Schmidt) writes:
| Question: As I said, I've seen many claims about LISP being as fast as C.
| Got any proof?


A trivial example where T3.1 is faster than C on a Sun Sparc is
Ackerman's function. T doesn't use the same calling conventions as C,
and avoids a huge hit from flushing the register windows all the time.
More generally, C is about twice as fast as T, at least according to
the small benchmarks that get usually published.
--

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