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I started using CEDET with Emacs and although it works fine sometimes it is too slow.

For example if I write std:: and wait for suggestions then in the minibuffer says parsing file.cpp (LL) done and for 1-2 seconds it freezes and I can't write. Then if I repeat it although it doesn't say anything in the minibuffer it still freezes the same. Eventually it shows the list of possible items but after that "freeze time".

Why is that happening? How can I fix it? I don't thing that this is the default behaviour as it is very annoying.

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  • Sounds like a bug. I.e. please M-x report-emacs-bug.
    – Stefan
    May 20, 2015 at 21:32
  • @Stefan I would have thought that in a package so frequently used if this was a bug it would have been already fixed.
    – Adam
    May 26, 2015 at 20:05
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    @Adam Unfortunately, it's not used as frequently, as you might think.
    – Dmitry
    May 26, 2015 at 21:20
  • However, it might be simply parsing the project files (as well as system includes). So whether this is a bug on not, depends on how often it happens, and whether it re-parses files it doesn't really need to.
    – Dmitry
    May 26, 2015 at 21:21
  • @Dmitry it happens every time I write std::.
    – Adam
    May 26, 2015 at 21:25

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