Subject: bug#77961: 31.0.50; Rendering HTML email is very slow since commit #eab14d68b2e72b9a6b8b0cc67c9667c2bfbed4f5

From: Gerd Möllmann <[email-masked]>
Date: Tue, 22 Apr 2025 09:41:56 +0200

Ihor Radchenko <[email-masked]> writes:

> Iñigo Serna <[email-masked]> writes:
>
>> I attach a profiler report of opening the same HTML email with 
>> commit
>> #eab14d68b2e72b9a6b8b0cc67c9667c2bfbed4f5 reverted (ie, no memset, 
>>  no
>> for-loop either).
>
> what could provide more datapoints is compiling with -g3 and then
> recording perf profile.

That and maybe more samples with Emacs' profiler, i.e. run it say 100
times in a loop.