Re: Execution speed

[Tino Calancha]

On Sun, 19 Mar 2017, Stefan Monnier wrote:

> Just do `emacs -Q --batch -l .../ir-test.el`.  Here's what I got:
>
>    % emacs24 -Q --batch -l ~/tmp/ir-test.el
>    Interpreted:  Iterative=1.770s; Recursive=1.937s
>    Bytecompiled: Iterative=1.187s; Recursive=1.496s
>    % .../src/emacs -Q --batch -l ~/tmp/ir-test.el
>    Interpreted:  Iterative=4.496s; Recursive=4.595s
>    Bytecompiled: Iterative=2.471s; Recursive=2.983s
>
> where `emacs24` is Debian's whereas the other one is my locally
> built&hacked version with debugging assertions and stuff.

I got the following (Debian 9):

                          Emacs-24.5 (s)   Emacs-25 (s)  Emacs-26 (s)
Iterative-interpreted     1.42             1.78          1.67
Iterative-Compiled        0.74             1.02          0.63
----------------------------------------------------------------------
Recursive-interpreted     1.45             1.41          1.67
Recursive-Compiled        1.03             0.90          1.02