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RE: [Axiom-developer] Aldor and Lisp
From: |
Martin Rubey |
Subject: |
RE: [Axiom-developer] Aldor and Lisp |
Date: |
Thu, 20 Oct 2005 11:52:39 +0200 |
Page, Bill writes:
> On Wednesday, October 19, 2005 4:40 AM Martin Rubey wrote:
> > > > It is notable I think, that the original Axiom developers chose to
> > > > re-implement SPAD as Aldor (written in C) rather than continue to make
> > > > improvements to SPAD.
> > I'm absolutely certain that the reason for this was rather a political
> > than a technical one.
>
> Could you explain what makes you absolutely certain of this? Can you cite
> any references to Axiom or Aldor literature?
Well, disclaimer: *I* am absolutely certain. This does still not mean that it's
true. I don't have any references.
> In what sense was it "political"? Who stood to gain by such a decision?
At that time, Axiom and Aldor were commercial products, and Lisp was said to be
slow and Axiom had a reputation of being so slow, close to being unusable.
> To me the technical reasons seem rather obvious. So please forgive me if I
> seem rather skeptical.
Citing Renaud:
> I was quite disappointed with Aldor, the main interest was the ability to
> produce fast code by compiling to C and using the latest bignum libraries,
> when I went at NAG to port the real closure in Aldor the efficiency gain was
> quite low just a factor of 1.5 to 2.5 ... I think that will be much reduced
> for current versions of axioms since gcl is able to produce efficient code
> and it also uses recent versions of gmp.
Martin
- Re: [Axiom-developer] Aldor and Lisp, (continued)
RE: [Axiom-developer] Aldor and Lisp, Page, Bill, 2005/10/18
RE: [Axiom-developer] Aldor and Lisp, Page, Bill, 2005/10/19
RE: [Axiom-developer] Aldor and Lisp, Page, Bill, 2005/10/19
RE: [Axiom-developer] Aldor and Lisp, Page, Bill, 2005/10/19
- RE: [Axiom-developer] Aldor and Lisp,
Martin Rubey <=
RE: [Axiom-developer] Aldor and Lisp, Page, Bill, 2005/10/19
RE: [Axiom-developer] Aldor and Lisp, Page, Bill, 2005/10/19
RE: [Axiom-developer] Aldor and Lisp, Weiss, Juergen, 2005/10/21
RE: [Axiom-developer] Aldor and Lisp, Weiss, Juergen, 2005/10/21