[Kde-pim] Review Request 120552: Optimization: skip QSet::toList() conversion just to check for emptiness.

Christian Mollekopf chrigi_1 at fastmail.fm
Sun Oct 12 12:39:10 BST 2014


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Since we can't change the API I suppose this is the best way to fix this. +1 from me

- Christian Mollekopf


On Oct. 11, 2014, 8:56 a.m., David Faure wrote:
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> https://git.reviewboard.kde.org/r/120552/
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> (Updated Oct. 11, 2014, 8:56 a.m.)
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> 
> Review request for KDEPIM-Libraries and Dan Vrátil.
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> Repository: kdepimlibs
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> Description
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> This code is called very often while loading a folder (with threading enabled)
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> Maybe in frameworks these methods (mimeTypesMonitored etc.) should return QSet
> to avoid the conversion altogether?
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> Diffs
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>   akonadi/entitytreemodel_p.cpp 8d24973494b78726bdeb4f01990aeab139c4d745 
>   akonadi/monitor.h 2fb6bc21bbc84b21ed1c8ae943ecb0cc636db615 
>   akonadi/monitor.cpp 2759b3464af4ff082c183ef38576612778c844e0 
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> Diff: https://git.reviewboard.kde.org/r/120552/diff/
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> Testing
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> Between this and https://git.reviewboard.kde.org/r/120553/, loading a 13k-emails folder is much much faster here.
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> 
> Thanks,
> 
> David Faure
> 
>

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