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From: Ergus via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Dmitry Gutov <dgutov@yandex.ru>
Cc: 49264@debbugs.gnu.org
Subject: bug#49264: 28.0.50; project.el+tramp performance issue
Date: Thu, 19 Aug 2021 05:08:33 +0200	[thread overview]
Message-ID: <20210819030833.b5xejdgjy2avnq2e@Ergus> (raw)
In-Reply-To: <a2009620-7fd6-0fa5-1e89-aaebdcd9a778@yandex.ru>

On Thu, Aug 19, 2021 at 04:19:20AM +0300, Dmitry Gutov wrote:
>Hi Ergus,
>
>On 17.08.2021 03:45, Ergus wrote:
>
>>I made a manual fast profiling and I see that most of the time in
>>project-buffers actually goes to tramp-sh-file-name-handler.
>>
>> �������� 207� 42%�������� - project-buffers
>> �������� 207� 42%��������� - apply
>> �������� 207� 42%���������� - #<compiled -0x1f5d919efefc0a09>
>> �������� 200� 40%����������� - file-in-directory-p
>> �������� 200� 40%������������ - tramp-file-name-handler
>> �������� 197� 40%������������� - apply
>> �������� 197� 40%�������������� - tramp-sh-file-name-handler
>> �������� 197� 40%��������������� - tramp-handle-file-in-directory-p
>> �������� 183� 37%���������������� - tramp-run-real-handler
>> �������� 183� 37%����������������� - file-in-directory-p
>> �������� 124� 25%������������������ - file-equal-p
>> �������� 124� 25%������������������� - tramp-file-name-handler
>> �������� 121� 24%�������������������� - apply
>> �������� 121� 24%��������������������� - tramp-sh-file-name-handler
>> �������� 121� 24%���������������������� - tramp-handle-file-equal-p
>> ��������� 85� 17%����������������������� - tramp-run-real-handler
>> ��������� 85� 17%������������������������ - file-equal-p
>> ��������� 52� 10%������������������������� - file-truename
>> ��������� 52� 10%�������������������������� - tramp-file-name-handler
>> ��������� 41�� 8%��������������������������� - apply
>> ��������� 41�� 8%���������������������������� - tramp-sh-file-name-handler
>> ��������� 41�� 8%����������������������������� - 
>>tramp-sh-handle-file-truename
>> ��������� 28�� 5%������������������������������ + file-remote-p
>> ��������� 10�� 2%������������������������������ + file-local-name
>> ���������� 3�� 0%������������������������������ + file-name-as-directory
>>
>>It goes specifically to file-in-directory-p as you said. So maybe the
>>improvement there may be also desirable if the difference after the
>>optimization can reduce the time for file-in-directory-p (or the caller)
>>at least to the half.
>
>Thanks for testing.
>
>Try the attached new version please. It should eliminate that 
>particular bottleneck.

Hi:

It feels better now. There is still a small delay, but that is normal
working with tramp. I will try it a bit more tomorrow; but the first
impression is that this solves the issue for me.

Best,
Ergus






  reply	other threads:[~2021-08-19  3:08 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <87fsx13aiz.fsf.ref@aol.com>
2021-06-28 22:11 ` bug#49264: 28.0.50; project.el+tramp performance issue Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-06-29 12:05   ` Eli Zaretskii
2021-06-29 22:21     ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-06-30 12:46       ` Eli Zaretskii
2021-06-30 13:25         ` Phil Sainty
2021-06-30 13:35           ` Eli Zaretskii
2021-06-30 15:10         ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-06-29 13:00   ` Dmitry Gutov
2021-06-30  0:01     ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-07-26 16:56   ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-07-26 23:04     ` Dmitry Gutov
2021-08-09  0:59       ` Dmitry Gutov
2021-08-17  0:45         ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-08-19  1:19           ` Dmitry Gutov
2021-08-19  3:08             ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2021-08-21  2:23               ` Dmitry Gutov
2021-08-21  5:43                 ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-08-21 10:59                   ` Dmitry Gutov

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