Subject: Re: bug#11545: 24.0.96-mac-2.92; Strange speed problem scrolling in C++ code

From: Eli Zaretskii <[email-masked]>
Date: Wed, 23 May 2012 19:16:36 +0300

> Date: Wed, 23 May 2012 05:28:24 -0500
> Cc: [email-masked], [email-masked]
> 
> Start either Emacs with -Q -nw.  Open a largish C++ file.  Hold down C-v.  On
> my laptop the lagginess was quite obvious, on my desktop a little less so.

Does the sluggishness go away if, right after starting Emacs, you type
"M-x global-font-lock-mode RET" to disable font-lock, and _then_ visit
that largish C++ file?