Review Request: little faster sycoca

[Josef Weidendorfer]

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Ship it!


- Josef Weidendorfer


On Sept. 29, 2011, 6:25 p.m., Jaime Torres Amate wrote:
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> http://git.reviewboard.kde.org/r/102723/
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> (Updated Sept. 29, 2011, 6:25 p.m.)
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> 
> Review request for kdelibs.
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> Description
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> Using this way to build a for loop: for (const_iterator it=list.constBegin, end=list.constEnd ; it != end; ++it)
> and replacing the count of bits with the QBitArray method for doing that.
> callgrind says:
> before: 2984 calls to constBegin, 0,00%. 2960531 calls to constEnd, 2.33%
> after: 2921 calls to constBegin, 0,00%. 2921 calls to constEnd, 0.00%
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> before: calcDiversity, 55.83%  (debug enabled)
> after: calcDiversity, 14,46%  (debug enabled)
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> buildsycoca is still not faster than light, but it is only a four lines patch.
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> Diffs
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>   kdecore/sycoca/ksycocadict.cpp 17ed9ac 
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> Diff: http://git.reviewboard.kde.org/r/102723/diff/diff
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> Testing
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> Thanks,
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> Jaime Torres Amate
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