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Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs
From: |
martin rudalics |
Subject: |
Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried) |
Date: |
Fri, 20 Oct 2006 10:33:56 +0200 |
User-agent: |
Mozilla Thunderbird 1.0 (Windows/20041206) |
> In fact I realized this problem when I wanted to switch from "old" v22
> EmacsW32 to the newest one, but after installing the new one, it
> seemed not to start properly (=it hanged for long time, and I killed
> it in that state). Finally I realized that I had desktop saving in my
> .emacs, and the most problematic file (what consumes ~5 minutes from
> whitespace) was opened when I killed old Emacs before switching to the
> new one... Later I could identify that the problem is connected to
> whitespace in fact (and not to desktop-save or the mode associated to
> the problematic file -- as I first thought). If I don't use whitespace
> OR set whitespace-global-mode to nil, everything seems to be OK.
I don't yet understand whether the whitespace timer, the overlays, or
the repeated invocations of `format' affect this. Maybe there's also
some strange interaction with another component like font-locking.
Anyway, try the attached patch and tell me whether it improves things.
*** whitespace.el.~1.46.~ Mon Aug 21 14:35:24 2006
--- whitespace.el Fri Oct 20 10:05:36 2006
***************
*** 425,431 ****
(progn
(whitespace-check-buffer-list (buffer-name) buffer-file-name)
(whitespace-tickle-timer)
! (whitespace-unhighlight-the-space)
(if whitespace-auto-cleanup
(if buffer-read-only
(if (not quiet)
--- 425,431 ----
(progn
(whitespace-check-buffer-list (buffer-name) buffer-file-name)
(whitespace-tickle-timer)
! (remove-overlays nil nil 'face 'whitespace-highlight)
(if whitespace-auto-cleanup
(if buffer-read-only
(if (not quiet)
***************
*** 648,664 ****
(defun whitespace-buffer-search (regexp)
"Search for any given whitespace REGEXP."
! (let ((whitespace-retval ""))
(save-excursion
(goto-char (point-min))
(while (re-search-forward regexp nil t)
! (progn
! (setq whitespace-retval (format "%s %s" whitespace-retval
! (match-beginning 0)))
(whitespace-highlight-the-space (match-beginning 0) (match-end 0))))
! (if (equal "" whitespace-retval)
! nil
! whitespace-retval))))
(defun whitespace-buffer-cleanup (regexp newregexp)
"Search for any given whitespace REGEXP and replace it with the NEWREGEXP."
--- 648,661 ----
(defun whitespace-buffer-search (regexp)
"Search for any given whitespace REGEXP."
! (let (whitespace-retval)
(save-excursion
(goto-char (point-min))
(while (re-search-forward regexp nil t)
! (setq whitespace-retval (cons (match-beginning 0) whitespace-retval))
(whitespace-highlight-the-space (match-beginning 0) (match-end 0))))
! (when whitespace-retval
! (format " %s" whitespace-retval))))
(defun whitespace-buffer-cleanup (regexp newregexp)
"Search for any given whitespace REGEXP and replace it with the NEWREGEXP."
***************
*** 713,719 ****
"Highlight the current line, unhighlighting a previously jumped to line."
(if whitespace-display-spaces-in-color
(let ((ol (whitespace-make-overlay b e)))
! (push ol whitespace-highlighted-space)
(whitespace-overlay-put ol 'face 'whitespace-highlight))))
;; (add-hook 'pre-command-hook 'whitespace-unhighlight-the-space))
--- 710,716 ----
"Highlight the current line, unhighlighting a previously jumped to line."
(if whitespace-display-spaces-in-color
(let ((ol (whitespace-make-overlay b e)))
! ;;; (push ol whitespace-highlighted-space)
(whitespace-overlay-put ol 'face 'whitespace-highlight))))
;; (add-hook 'pre-command-hook 'whitespace-unhighlight-the-space))
- Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Peter Tury, 2006/10/11
- Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Peter Tury, 2006/10/11
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Eli Zaretskii, 2006/10/12
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Peter Tury, 2006/10/17
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Eli Zaretskii, 2006/10/18
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Peter Tury, 2006/10/18
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), martin rudalics, 2006/10/20
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Peter Tury, 2006/10/20
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), martin rudalics, 2006/10/20
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Peter Tury, 2006/10/20
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried),
martin rudalics <=
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Richard Stallman, 2006/10/21
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), martin rudalics, 2006/10/21
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), martin rudalics, 2006/10/21
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Richard Stallman, 2006/10/23
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Peter Tury, 2006/10/30
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), martin rudalics, 2006/10/31
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Peter Tury, 2006/10/31
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Richard Stallman, 2006/10/31
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Peter Tury, 2006/10/31
- Re: Fwd: Serious performace problems on Windows XP with new(!) GNU Emacs v22 (both patched and unpatched EmacsW32 were tried), Peter Tury, 2006/10/30