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Re: C and Emacs Lisp code parts
From: |
Andy Moreton |
Subject: |
Re: C and Emacs Lisp code parts |
Date: |
Fri, 01 Jul 2016 14:05:29 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.95 (windows-nt) |
On Fri 01 Jul 2016, Andreas Röhler wrote:
> On 01.07.2016 11:25, Eli Zaretskii wrote:
>>
>> So yes, we need numbers to make rational decisions about this.
>
> Sorry, but that's irrational. Compare doesn't need numbers. To compare
> implementations in C an exec is needed - which doesn't exist yet. If written,
> the reason basically is gone, because C will be faster - unless something went
> wrong, which is a case for debugging rather than benchmarks.
Eli is right. You believe that C is always faster, but most programmers'
intuitions about performance are wrong. Benchmarks and numbers give a
more objective basis for making rational design decisions.
AndyM
- Re: C and Emacs Lisp code parts, (continued)
- Re: C and Emacs Lisp code parts, Eli Zaretskii, 2016/07/01
- Re: C and Emacs Lisp code parts, John Wiegley, 2016/07/05
- Re: C and Emacs Lisp code parts, Andreas Röhler, 2016/07/06
- Re: C and Emacs Lisp code parts, Andreas Röhler, 2016/07/06
- Re: C and Emacs Lisp code parts, Phillip Lord, 2016/07/06
- Re: C and Emacs Lisp code parts, John Wiegley, 2016/07/01
- Re: C and Emacs Lisp code parts, Andreas Röhler, 2016/07/01
- Re: C and Emacs Lisp code parts, Eli Zaretskii, 2016/07/01
- Re: C and Emacs Lisp code parts, Andreas Röhler, 2016/07/01
- Re: C and Emacs Lisp code parts, Eli Zaretskii, 2016/07/01
- Re: C and Emacs Lisp code parts,
Andy Moreton <=
- Re: C and Emacs Lisp code parts, Karl Fogel, 2016/07/01
- Re: C and Emacs Lisp code parts, Andreas Röhler, 2016/07/01
- Re: C and Emacs Lisp code parts, Eli Zaretskii, 2016/07/01
- Re: C and Emacs Lisp code parts, Andreas Röhler, 2016/07/01
- Re: C and Emacs Lisp code parts, Eli Zaretskii, 2016/07/01
- Re: C and Emacs Lisp code parts, Fabrice Popineau, 2016/07/02
- Re: C and Emacs Lisp code parts, Eli Zaretskii, 2016/07/02
- Re: C and Emacs Lisp code parts, Alan Mackenzie, 2016/07/01
- Re: C and Emacs Lisp code parts, Andreas Röhler, 2016/07/01
- Re: C and Emacs Lisp code parts, Alan Mackenzie, 2016/07/01