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From: | Stefan Monnier |
Subject: | Re: Performance degradation from long lines |
Date: | Fri, 26 Oct 2018 12:18:52 -0400 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
> (let ((inhibit-field-text-motion t)) > (catch 'break > (while (not (eobp)) > (when (> (- (line-end-position 1) (point)) > global-longlines-threshold) > (throw 'break t)) > (forward-line 1))))))))) I think you can speed this up with the code below (I'd expect a speed up of about a factor 2 since (line-end-position 1) does about the same as (forward-line 1)): (catch 'break (while (unless (eobp) (or (> (+ (point) global-longlines-threshold) (progn (forward-line 1) (point))) (throw 'break t))))) > (defun inhibit-set-auto-mode-line-number-display-limit-function () > (and (integerp line-number-display-limit) > (> (buffer-size) line-number-display-limit))) > (add-hook 'inhibit-set-auto-mode-functions > #'inhibit-set-auto-mode-line-number-display-limit-function) Hmm... there seems to be a discrepancy between the identifier and the code: it seems unrelated to line-number(s). Maybe some left-over from a previous version of the code? Stefan
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