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From: | Dmitry Gutov |
Subject: | Re: emacs rendering comparisson between emacs23 and emacs26.3 |
Date: | Sun, 5 Apr 2020 22:28:26 +0300 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 |
On 05.04.2020 22:06, Eli Zaretskii wrote:
What's the difference between redisplay being slow and it being unable to "keep up"? I don't understand, sorry.That's not the important difference. The important difference is that you want the input processed faster, without waiting for slow redisplay.
Two chief ways to do that are: - To work faster - To do less workIdeally, we should take advantage of both. Skipping parts of redisplay could help with #2.
And in this case, IIUC, jit-lock is part of redisplay. And it's slow enough for this to be noticeable.It isn't jit-lock that's slow, it's the fontification functions it calls.
Yes, obviously.
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