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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Semantic font-lock for Java
Date: Fri, 24 Jan 2020 21:59:47 +0200
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Cc: emacs-devel@gnu.org, atamariya@gmail.com
To: David Engster <deng@randomsample.de>
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> From: David Engster <deng@randomsample.de>
> Cc: Anand Tamariya <atamariya@gmail.com>,  emacs-devel@gnu.org
> Date: Fri, 24 Jan 2020 18:00:02 +0100
> 
> > So we are talking about a 17% slow-down?  Not bad.
> 
> Yes, but to be fair, this does not include the initial parsing by
> Semantic/Wisent/Bovine. This is usually done for the whole buffer when
> Emacs is idle, and not during scrolling.

So what happens when the file is visited and its first window-full is
displayed?