Re: C and Emacs Lisp code parts

[Andy Moreton]

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