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Re: Display slowness that is painful

From: Richard M. Stallman
Subject: Re: Display slowness that is painful
Date: Tue, 07 Feb 2006 01:06:14 -0500

    Well, it generates the desired_matrix for all windows/frames
    before it decides what parts of the display should be updated
    by comparing to the current_matrix.  

    If generating the desired_matrix takes a long time, emacs
    doesn't update the display for a long time...

It seems surprising that generating the desired_matrix would take
a whole second on a modern computer.  Is that often the case
in your usage?

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