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Re: Too long completion delay time in LISP interaction mode.
From: |
Hongyi Zhao |
Subject: |
Re: Too long completion delay time in LISP interaction mode. |
Date: |
Wed, 20 Oct 2021 13:58:56 +0800 |
On Wed, Oct 20, 2021 at 1:29 PM Hongyi Zhao <hongyi.zhao@gmail.com> wrote:
>
> On Wed, Oct 20, 2021 at 1:08 PM Tassilo Horn <tsdh@gnu.org> wrote:
> >
> > Hongyi Zhao <hongyi.zhao@gmail.com> writes:
> >
> > > On Ubuntu 20.04.3 LTS, I'm using the self compiled Emacs git master
> > > version. I find there is a very long completion delay time in LISP
> > > interaction mode. For example, when I type `(map)' in scratch buffer,
> > > there will have 5070 candidates as shown in the attached file, and the
> > > completion delay is about 2-5 seconds.
> > >
> > > Any hints to improve this phenomenon?
> >
> > First, I'd try to isolate where the slowdown happens. The screenshots
> > suggests you are using company-mode with custom hacks to get the
> > numbering of candidates and you are using some fuzzy completion-style.
> >
> > So I'd start with emacs -Q and typing (map<TAB> in *scratch* to get the
> > *Completions* buffer. That will probably be fast but deliver less
> > results because of the default value of `completion-styles'. Then I'd
> > try out your settings of `completion-styles' (and
>
> `C-h o completion-styles RET'
>
> completion-styles is a variable defined in ‘minibuffer.el’.
>
> Its value is (hotfuzz)
> Original value was
> (basic partial-completion emacs22)
I've the following configuration in my `~/.emacs.d/init.el':
(use-package hotfuzz
:init
(setq completion-styles '(hotfuzz)))
And it seems that commented out the above code snippet fixed the
problem discussed here.
HZ
>
> > `completion-category-overrides' if you have customized that).
>
> `C-h o completion-category-overrides RET'
>
> completion-category-overrides is a variable defined in ‘minibuffer.el’.
>
> Its value is nil
>
>
> > Then again with `company-mode' but first without the numbering hack, and
> > eventually with it. At which step does it become slow?
> >
> > Also, using the profiler might shed some light on where the time is
> > spent, see (info "(elisp) Profiling").
>
> `M-x profiler-start RET cpu and mem RET'
>
> Typeset (map) in scratch buffer, and then
>
> `M-x profiler-report RET', gives the following results:
>
>
> 262,542,852 87% - command-execute
> 262,542,852 87% - funcall-interactively
> 262,538,196 87% - counsel-M-x
> 262,538,196 87% - let
> 262,355,940 87% - ivy-read
> 262,355,940 87% - apply
> 262,354,884 87% + #<lambda 0x1b9d5ef2eb92a3f2>
> 182,256 0% + counsel--M-x-externs
> 4,656 0% + self-insert-command
> 36,160,744 12% + company-post-command
> 368,131 0% + redisplay_internal (C function)
> 135,480 0% + timer-event-handler
> 7,442 0% + eldoc-pre-command-refresh-echo-area
> 2,640 0% + highlight-parentheses--initiate-highlight
> 2,112 0% + jit-lock--antiblink-post-command
> 1,056 0% + company-pre-command
> 0 0% ...
>
> HZ
--
Assoc. Prof. Hongyi Zhao <hongyi.zhao@gmail.com>
Theory and Simulation of Materials
Hebei Vocational University of Technology and Engineering
No. 473, Quannan West Street, Xindu District, Xingtai, Hebei province
- Re: Too long completion delay time in LISP interaction mode., (continued)
- Re: Too long completion delay time in LISP interaction mode., Tassilo Horn, 2021/10/20
- Re: Too long completion delay time in LISP interaction mode., Hongyi Zhao, 2021/10/20
- Re: Too long completion delay time in LISP interaction mode., Hongyi Zhao, 2021/10/21
- Re: Too long completion delay time in LISP interaction mode., Tassilo Horn, 2021/10/21
- Re: Too long completion delay time in LISP interaction mode., Hongyi Zhao, 2021/10/21
- Re: Too long completion delay time in LISP interaction mode., Tassilo Horn, 2021/10/21
- Re: Too long completion delay time in LISP interaction mode., Hongyi Zhao, 2021/10/21
- Re: Too long completion delay time in LISP interaction mode., Hongyi Zhao, 2021/10/20
- Re: Too long completion delay time in LISP interaction mode., Tassilo Horn, 2021/10/20
- Re: Too long completion delay time in LISP interaction mode., Hongyi Zhao, 2021/10/20
- Re: Too long completion delay time in LISP interaction mode.,
Hongyi Zhao <=
- RE: [External] : Re: Too long completion delay time in LISP interaction mode., Drew Adams, 2021/10/20