GNU bug report logs - #69630
breadcrumb-mode and json-ts-mode (possibly yaml-ts-mode, others) performance

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Johann Höchtl <johann.hoechtl <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: breadcrumb-mode and json-ts-mode (possibly yaml-ts-mode,
 others) performance
Date: Fri, 8 Mar 2024 09:54:54 +0100

[Message part 1 (text/plain, inline)]

When opening a json file using it's -ts-mode, bread-crumb-mode causes a big
performance impact. This performance impact seems to be more than linear i
nrealtion to file size,  doubling in size causes more than doubling the
time until emacs becomes responsible again, likely because it contains more
than double the number of nodes to parse.

Many other popular editors contain a breadcrumb-feature and having that
feature for json, yaml, xml, ... files seems "natural".

[Message part 2 (text/html, inline)]

Message #8 received at 69630 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Johann Höchtl <johann.hoechtl <at> gmail.com>
Cc: 69630 <at> debbugs.gnu.org
Subject: Re: bug#69630: breadcrumb-mode and json-ts-mode (possibly
 yaml-ts-mode, others) performance
Date: Sat, 09 Mar 2024 09:24:09 +0200

> From: Johann Höchtl <johann.hoechtl <at> gmail.com>
> Date: Fri, 8 Mar 2024 09:54:54 +0100
> 
> When opening a json file using it's -ts-mode, bread-crumb-mode causes a big performance impact. This
> performance impact seems to be more than linear i nrealtion to file size,  doubling in size causes more than
> doubling the time until emacs becomes responsible again, likely because it contains more than double the
> number of nodes to parse.
> 
> Many other popular editors contain a breadcrumb-feature and having that feature for json, yaml, xml, ... files
> seems "natural".

Isn't that a bug (or mis-feature) in breadcrumb-mode that you should
report to the developers of breadcrumb-mode?

IOW, why did you think the right place to report this is here?  Any
evidence that something in Emacs core is causing the performance
issue?

Thanks.

Message #11 received at 69630 <at> debbugs.gnu.org (full text, mbox):

From: Johann Höchtl <johann.hoechtl <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 69630 <at> debbugs.gnu.org
Subject: Re: bug#69630: breadcrumb-mode and json-ts-mode (possibly
 yaml-ts-mode, others) performance
Date: Sat, 9 Mar 2024 19:11:07 +0100

Oh sorry, I erroneously assumed breadcrumb-mode was an Emacs core 
feature, I will report it against the authors Github repo.

Best, Johann

On 09.03.24 08:24, Eli Zaretskii wrote:
>> From: Johann Höchtl <johann.hoechtl <at> gmail.com>
>> Date: Fri, 8 Mar 2024 09:54:54 +0100
>>
>> When opening a json file using it's -ts-mode, bread-crumb-mode causes a big performance impact. This
>> performance impact seems to be more than linear i nrealtion to file size,  doubling in size causes more than
>> doubling the time until emacs becomes responsible again, likely because it contains more than double the
>> number of nodes to parse.
>>
>> Many other popular editors contain a breadcrumb-feature and having that feature for json, yaml, xml, ... files
>> seems "natural".
> Isn't that a bug (or mis-feature) in breadcrumb-mode that you should
> report to the developers of breadcrumb-mode?
>
> IOW, why did you think the right place to report this is here?  Any
> evidence that something in Emacs core is causing the performance
> issue?
>
> Thanks.

Message #16 received at 69630-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Johann Höchtl <johann.hoechtl <at> gmail.com>
Cc: 69630-done <at> debbugs.gnu.org
Subject: Re: bug#69630: breadcrumb-mode and json-ts-mode (possibly
 yaml-ts-mode, others) performance
Date: Sat, 09 Mar 2024 20:38:14 +0200

> Date: Sat, 9 Mar 2024 19:11:07 +0100
> Cc: 69630 <at> debbugs.gnu.org
> From: Johann Höchtl <johann.hoechtl <at> gmail.com>
> 
> Oh sorry, I erroneously assumed breadcrumb-mode was an Emacs core 
> feature, I will report it against the authors Github repo.

OK, so I'm closing this bug.  If it turns out it's a core problem, we
can reopen it.

Thanks.

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