Re: Add user customization fido-completion-styles

[Eli Zaretskii <eliz@gnu.org>]

> From: João Távora <joaotavora@gmail.com>
> Date: Tue, 02 Jun 2020 18:51:31 +0100
> Cc: emacs-devel@gnu.org
> 
>        - icomplete-post-command-hook                             2032  86%
>         - icomplete-exhibit                                      2032  86%
>          - icomplete-completions                                 2009  85%
>           - icomplete--sorted-completions                        1986  84%
>            - completion-all-sorted-completions                   1986  84%
>             - completion-all-completions                         1982  84%
>              - completion--nth-completion                        1982  84%
>               - completion--some                                 1982  84%
>                - #<compiled 0x15809f8924ad>                      1982  84%
>                 - completion-flex-all-completions                1965  84%
>                  - completion-substring--all-completions         1935  82%
>                   - completion-pcm--all-completions              1932  82%
>                    - all-completions                             1929  82%
>                     - #<compiled 0x1fe57a0ac19d>                 1929  82%
>                      - complete-with-action                      1929  82%
>                       - all-completions                            37   1%

This actually says that the time sink is complete-with-action, not
all-completions.

> As you know, all-completions is a C function.  The 1% is suspicious, I
> don't know if I should trust it.

You should trust the profile.  It works the same whether it's a C
function or a Lisp function.