Eli Zaretskii <eliz@gnu.org> writes:

>> From: Thierry Volpiatto <thievol@posteo.net>
>> Cc: Mattias Engdegård <mattias.engdegard@gmail.com>,  Eli
>>  Zaretskii
>>  <eliz@gnu.org>,  emacs-devel@gnu.org
>> Date: Sun, 09 Jun 2024 06:41:45 +0000
>> 
>> 
>> Here what I find:
>> 
>> Bad:
>> ea5fd375bb2  Sat Mar 4 11:16:51 2023 Fix documentation of 'normal-mode' in buffers that don't v.. Eli Zaretskii 
>> (benchmark-run 1 (psession--dump-object-to-file-save-alist))
>> (7.966819985 0 0.0)
>> 
>> Good:
>> 396f46d904a  Thu Feb 16 16:07:55 2023 bug#61489: Increase BLOCK_ALIGN from 1024 to 32768           Konstantin Kharlamov 
>> (benchmark-run 1 (psession--dump-object-to-file-save-alist))
>> (0.488145912 0 0.0)
>> 
>> So this commit is perhaps the first commit where Emacs starts to be
>> fast, I am unsure because I don't fully understand how Emacs is
>> developed i.e. Master <=> emacs-29.
>
> How is emacs-29 relevant here?

It is not, but initially I checked out the commit tagged emacs-29.3 and
started from there, which was stupid, of course the first commit after it
was good because the "good" change was anterior.

> The above commit 396f46d904a was installed on master, AFAICT.

Yes.

-- 
Thierry