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  36         id 1ROje0-0002UR-1u; Fri, 11 Nov 2011 00:27:16 -0500\r
  37 Date: Fri, 11 Nov 2011 00:27:16 -0500\r
  38 From: Austin Clements <amdragon@MIT.EDU>\r
  39 To: Pieter Praet <pieter@praet.org>\r
  40 Subject: Re: [PATCH] emacs: Use a single buffer invisibility spec to fix\r
  41         quadratic search cost.\r
  42 Message-ID: <20111111052716.GU2658@mit.edu>\r
  43 References: <1320807328-13728-1-git-send-email-amdragon@mit.edu>\r
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  46         <87d3czxsu9.fsf@praet.org> <20111111045341.GS2658@mit.edu>\r
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  80 \r
  81 Quoth myself on Nov 10 at 11:53 pm:\r
  82 > Quoth Pieter Praet on Nov 11 at  4:04 am:\r
  83 > > I've tried getting some hard numbers using\r
  84 > > \r
  85 > >   #+begin_src sh\r
  86 > >     time emacs --eval '(progn\r
  87 > >         (notmuch)\r
  88 > >         (notmuch-search "*")\r
  89 > >         (while (get-buffer-process (current-buffer))\r
  90 > >             (sleep-for 0.1))\r
  91 > >         (kill-emacs))'\r
  92 > >   #+end_src\r
  93 > > \r
  94 > > ... but the results vary wildly on subsequent runs.\r
  95 > \r
  96 > For me, this doesn't actually display the results buffer (though I\r
  97 > don't know why not), which means it won't test this, since the problem\r
  98 > lies in the Emacs redisplay logic.\r
  99 \r
 100 This may or may not actually be correct, but the following seems more\r
 101 representative on my system:\r
 102 \r
 103     time emacs --eval '(progn\r
 104         (notmuch)\r
 105         (notmuch-search "*")\r
 106         (while (get-buffer-process (current-buffer))\r
 107             (redisplay)\r
 108             (sleep-for 0.1))\r
 109         (kill-emacs))'\r
 110 \r
 111 This at least displays the buffer.  I also tried\r
 112 (accept-process-output) instead of the (sleep-for 0.1), which clearly\r
 113 behaved differently, but gave only slightly higher numbers.  If I\r
 114 timed just the search part, to exclude emacs start-up, I would have a\r
 115 better idea of which more closely matches my manual measurements.\r