GNU bug report logs - #18407
Strange problem with Emacs and Auctex on retina macbook-pro

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Package: emacs; Reported by: Konrad Podczeck <konrad.podczeck@HIDDEN>; dated Thu, 4 Sep 2014 22:26:02 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.
Removed tag(s) moreinfo. Request was from Lars Ingebrigtsen <larsi@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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From: Konrad Podczeck <konrad.podczeck@HIDDEN>
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Subject: bug#18407: Strange problem with Emacs and Auctex on retina macbook-pro
Date: Fri, 5 Sep 2014 20:24:50 +0200
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Here is what get with a slow run doing

- M-x profiler-start RET RET
- then reproduce the slow run
- M-x profiler-report RET
- on the first line of the profiler report hit C-u RET to reveal the
  whole tree.



- command-execute                                                 166  63%
 - call-interactively                                             166  63%
  - byte-code                                                     132  50%
   - read-extended-command                                        132  50%
    - completing-read                                             132  50%
     - completing-read-default                                    132  50%
      - read-from-minibuffer                                       58  22%
       - redisplay_internal (C function)                            3   1%
        - tool-bar-make-keymap                                      3   1%
         - tool-bar-make-keymap-1                                   3   1%
          - mapcar                                                  3   1%
           - #<compiled 0x400ef44b>                                 3   1%
            - eval                                                  3   1%
             - find-image                                           3   1%
                image-search-load-path                              3   1%
  - funcall-interactively                                          34  12%
   - execute-extended-command                                      18   6%
    - command-execute                                              17   6%
     - call-interactively                                          17   6%
      - byte-code                                                  12   4%
       - completing-read                                           12   4%
        - completing-read-default                                  12   4%
           read-from-minibuffer                                     6   2%
      - funcall-interactively                                       5   1%
       - profiler-report                                            4   1%
        - profiler-report-cpu                                       4   1%
           profiler-cpu-profile                                     4   1%
         profiler-start                                             1   0%
   - #<lambda 0x123fcfa310382f81>                                  16   6%
    - progn                                                        16   6%
     - TeX-save-document                                            8   3%
        TeX-check-files                                             8   3%
     - TeX-command                                                  8   3%
      - TeX-run-TeX                                                 8   3%
       - TeX-run-interactive                                        8   3%
        - comint-exec                                               4   1%
         - comint-exec-1                                            4   1%
          - apply                                                   4   1%
           - start-file-process                                     4   1%
              apply                                                 4   1%
        - cd                                                        3   1%
         - locate-file                                              3   1%
          - locate-file-internal                                    3   1%
             #<compiled 0x400a0407>                                 3   1%
        - internal-temp-output-buffer-show                          1   0%
         - run-hooks                                                1   0%
          - help-mode-finish                                        1   0%
             help-make-xrefs                                        1   0%
+ ...                                                              84  32%
+ redisplay_internal (C function)                                   4   1%
+ TeX-command-sentinel                                              4   1%
+ timer-event-handler                                               4   1%





Information forwarded to bug-gnu-emacs@HIDDEN:
bug#18407; Package emacs. Full text available.

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From: Stefan Monnier <monnier@HIDDEN>
To: Konrad Podczeck <konrad.podczeck@HIDDEN>
Subject: Re: bug#18407: Strange problem with Emacs and Auctex on retina
 macbook-pro
Message-ID: <jwvoauuvpyj.fsf-monnier+emacsbugs@HIDDEN>
References: <42D3C9A4-AC48-498D-A84F-776E26E82AE4@HIDDEN>
Date: Thu, 04 Sep 2014 21:05:42 -0400
In-Reply-To: <42D3C9A4-AC48-498D-A84F-776E26E82AE4@HIDDEN> (Konrad
 Podczeck's message of "Fri, 5 Sep 2014 00:22:56 +0200")
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> Load a (longer) latex file. Enable interactive mode in Auctex and compile
> the file. Initiating the compilation via the menu or via shortcut works
> fine, as expected. However, if the run is started via the toolbar icon, then
> the compilation may become very slow: in the window showing the progress of
> compilation, some lines appear, then the progress suddenly stops for some
> moment, the some progress is shown, then again there is break, and so on, so
> that, in effect, the compilation run may take more than five seconds,
> compared with 0.5 seconds if the run is initiated via shortcut or menu.

Can you try to:

- M-x profiler-start RET RET
- then reproduce the slow run
- M-x profiler-report RET
- on the first line of the profiler report hit C-u RET to reveal the
  whole tree.


        Stefan




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#18407; Package emacs. Full text available.

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Subject: Strange problem with Emacs and Auctex on retina macbook-pro
Date: Fri, 5 Sep 2014 00:22:56 +0200
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Load a (longer) latex file. Enable interactive mode in Auctex and =
compile the file. Initiating the compilation via the menu or via =
shortcut works fine, as expected. However, if the run is started via the =
toolbar icon, then the compilation may become very slow: in the window =
showing the progress of compilation, some lines appear, then the =
progress suddenly stops for some moment, the some progress is shown, =
then again there is break, and so on, so that, in effect, the =
compilation run may take more than five seconds, compared with 0.5 =
seconds if the run is initiated via shortcut or menu.

Actually, the problem has a machine  specific aspect: it appears on my =
new retina macbook-pro, bot not on the ordinary desktop mac-pro which I =
have at work, both having the latest MacOS.

But the problem also has a GNU-Emacs-specific aspect, and in particular =
seems not to be an Auctex problem: The problem does not appear at all =
with Auctex and the Emacs Mac Port by Yamamoto Mitsuharu.

Konrad Podczeck






Acknowledgement sent to Konrad Podczeck <konrad.podczeck@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#18407; Package emacs. Full text available.
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