GNU bug report logs - #36857
27.0.50; Reduce calls to xref-collect-matches in dired-do-find-regexp

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Package: emacs; Reported by: Eric Abrahamsen <eric@HIDDEN>; dated Tue, 30 Jul 2019 17:21:01 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.

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Subject: Re: bug#36857: 27.0.50; Reduce calls to xref-collect-matches in
 dired-do-find-regexp
To: Eric Abrahamsen <eric@HIDDEN>
References: <87wofzv3px.fsf@HIDDEN>
 <43928735-8d95-de13-74e6-96f4b1b3e1bd@HIDDEN>
 <26938345-f9bb-1c92-fedf-e59fdb536f77@HIDDEN>
 <8736inuzb3.fsf@HIDDEN>
From: Dmitry Gutov <dgutov@HIDDEN>
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Date: Wed, 31 Jul 2019 17:06:01 +0300
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On 30.07.2019 21:56, Eric Abrahamsen wrote:

>> Never mind, saw your reply on emacs-devel. 200-300 is a respectable amount.
> 
> Does "respectable" mean "quite a few" or "a number we should be able to
> handle without significant slowdowns"? :)

Hopefully both. :-)

I have an improvement in mind that would fix it, but there are a couple 
change I'll need to make in a related area (project.el) first, so please 
stay tuned.




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#36857; Package emacs. Full text available.

Message received at 36857 <at> debbugs.gnu.org:


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From: Eric Abrahamsen <eric@HIDDEN>
To: Dmitry Gutov <dgutov@HIDDEN>
Subject: Re: bug#36857: 27.0.50; Reduce calls to xref-collect-matches in
 dired-do-find-regexp
References: <87wofzv3px.fsf@HIDDEN>
 <43928735-8d95-de13-74e6-96f4b1b3e1bd@HIDDEN>
 <26938345-f9bb-1c92-fedf-e59fdb536f77@HIDDEN>
Date: Tue, 30 Jul 2019 11:56:00 -0700
In-Reply-To: <26938345-f9bb-1c92-fedf-e59fdb536f77@HIDDEN> (Dmitry Gutov's
 message of "Tue, 30 Jul 2019 21:45:48 +0300")
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Dmitry Gutov <dgutov@HIDDEN> writes:

> On 30.07.2019 21:44, Dmitry Gutov wrote:
>> On 30.07.2019 20:20, Eric Abrahamsen wrote:
>>> When marking multiple files in Dired
>>
>> Could you estimate how many files you need to mark for this to
>> become a problem? I'm really curious.
>
> Never mind, saw your reply on emacs-devel. 200-300 is a respectable amount.

Does "respectable" mean "quite a few" or "a number we should be able to
handle without significant slowdowns"? :)




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#36857; Package emacs. Full text available.

Message received at 36857 <at> debbugs.gnu.org:


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Subject: Re: bug#36857: 27.0.50; Reduce calls to xref-collect-matches in
 dired-do-find-regexp
From: Dmitry Gutov <dgutov@HIDDEN>
To: Eric Abrahamsen <eric@HIDDEN>, 36857 <at> debbugs.gnu.org
References: <87wofzv3px.fsf@HIDDEN>
 <43928735-8d95-de13-74e6-96f4b1b3e1bd@HIDDEN>
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On 30.07.2019 21:44, Dmitry Gutov wrote:
> On 30.07.2019 20:20, Eric Abrahamsen wrote:
>> When marking multiple files in Dired
> 
> Could you estimate how many files you need to mark for this to become a 
> problem? I'm really curious.

Never mind, saw your reply on emacs-devel. 200-300 is a respectable amount.




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#36857; Package emacs. Full text available.

Message received at 36857 <at> debbugs.gnu.org:


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Subject: Re: bug#36857: 27.0.50; Reduce calls to xref-collect-matches in
 dired-do-find-regexp
To: Eric Abrahamsen <eric@HIDDEN>, 36857 <at> debbugs.gnu.org
References: <87wofzv3px.fsf@HIDDEN>
From: Dmitry Gutov <dgutov@HIDDEN>
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Date: Tue, 30 Jul 2019 21:44:38 +0300
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On 30.07.2019 20:20, Eric Abrahamsen wrote:
> When marking multiple files in Dired

Could you estimate how many files you need to mark for this to become a 
problem? I'm really curious.




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#36857; Package emacs. Full text available.

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From: Eric Abrahamsen <eric@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: 27.0.50; Reduce calls to xref-collect-matches in dired-do-find-regexp
Date: Tue, 30 Jul 2019 10:20:42 -0700
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This is a proper bug report for an issue I raised on emacs.devel:

When marking multiple files in Dired, then running a search with
`dired-do-find-regexp', `xref-collect-matches' is called once per marked
file, when it could just be called once for the whole search. This can
slow things down quite a bit.




Acknowledgement sent to Eric Abrahamsen <eric@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#36857; Package emacs. Full text available.
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