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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: cc-mode fontification feels random
Date: Thu, 10 Jun 2021 20:39:34 +0300
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To: Daniel Colascione <dancol@dancol.org>
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In-Reply-To: <551be928-a6c7-7d09-05a5-e298c54c737b@dancol.org> (message from
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> Cc: acm@muc.de, emacs-devel@gnu.org, monnier@iro.umontreal.ca, rms@gnu.org,
>  rudalics@gmx.at
> From: Daniel Colascione <dancol@dancol.org>
> Date: Thu, 10 Jun 2021 10:33:56 -0700
> 
> >> Performance is reasonable most of the time.
> > Not IME.
> 
> Is it true that you run at -O0 and extra checking enabled?

Sometimes, yes.  But mostly, no.  My long-term production sessions are
usually a released Emacs compiled with the default options, which
means -O2 and no --enable-checking.  I do use --with-wide-int, but
that incurs only a 30% slowdown.