Re: Reliable after-change-functions (via: Using incremental parsing in Emacs)

[Andrea Corallo]

Eli Zaretskii <address@hidden> writes:

>> Date: Sat, 4 Apr 2020 11:06:43 +0000
>> Cc: Eli Zaretskii <address@hidden>, address@hidden, address@hidden,
>>   address@hidden, address@hidden
>> From: Alan Mackenzie <address@hidden>
>> 
>> > I have a fast Intel CPU that is barely 2 years old (i9-8950HK), 
>> > system-configuration-options is "--with-x-toolkit=gtk3 'CFLAGS=-Og 
>> > -g3'", the build is from emacs-27 branch, recent revision.
>> 
>> That's a debugging build, isn't it?
>
> No, it's an optimized build, just not with -O2.  -Og is similar to -O1,
> so slightly less optimized than -O2.

Be careful that -Og produce considerably slower code than -O2.  For
instance if I'm not wrong it disable completely inlining that is one of
the most rewarding optimizations.

Andrea

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