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Re: [cdt-dev] The defaults of "Index unused headers" and "Index source and header files opened in editor" preferences
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> > > It's strange. I thought that "Index source and header files opened in
> > > editor" should be faster then "Index unused headers" cause the amount of
> > > unused headers may be significantly more than amount of opened files.
> >
> > My understanding (from observing the behaviour, I don't know the code) is
> > that "Index unused headers" will index all the unused headers once, when
> > the project is created. This takes a long times, yes. But "Index source
> > and header files opened in editor" reindexes a file every time it's opened
> > in the editor, so it's a constant performance drain.
> >
> > This is incorrect. Each file is indexed only once in both cases.
>
> What I experience when I have "Index source and header files opened in
> editor"
> checked, is that every time I open a file, a "C/C++ Indexer" task appears in
> the Progress view. This does not happen when I have the option turned off.
>
> What is this task doing?
>
> This task is checking the timestamps of the files and, if they didn't
> change, terminates. This is done on a background thread and doesn't
> affect the editor. Do you see a slowdown in the editor?
I remember experiencing a slowdown, but I don't seem to be able to
reproduce it at the moment - if I do, I'll get back to you about it.
Regards,
Nate