Review Request 127765: RFC: Cache global config files

[Aleix Pol Gonzalez]

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Review request for KDE Frameworks and Matthew Dawson.


Repository: kconfig


Description
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A next step for my little quest is improving KConfig impact upon start.

In callgrind terms, 20% of dolphin's startup time is KConfig and 15% is parsing global files, which is essentially loading kdeglobals 70 times. This of course also means that kdeglobals is scattered 70 times in each application's memory space.

To improve such situation, here's an attempt to cache these. I'm not an expert in KConfig, so feedback is really appreciated [[1]](http://i1.kym-cdn.com/photos/images/facebook/000/234/765/b7e.jpg)


Diffs
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  src/core/kconfig.cpp ad52da9 

Diff: https://git.reviewboard.kde.org/r/127765/diff/


Testing
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Tests pass, KConfig becomes 6% of dolphin at load.


Thanks,

Aleix Pol Gonzalez

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