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From: | Stefan Monnier |
Subject: | bug#15876: 24.3.50; Highly degraded performance between rev 114715 and 115006 |
Date: | Tue, 19 Nov 2013 20:47:52 -0500 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) |
> --8<---------------cut here---------------start------------->8--- > ;; highlight trailing whitespaces in all modes > (setq-default show-trailing-whitespace t) > --8<---------------cut here---------------end--------------->8--- Can you try to compare the performance of revision 114849 and revision 114848? The difference between the two is that the region highlighting was moved from C to Elisp. This usually shouldn't affect performance, but maybe there's some interaction with redisplay that ends up disabling most optimizations? Stefan
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