Review Request: optimize kcolorscheme consting time: avoid calculating luma for the same colors multiple times

[Nick Shaforostoff]

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I have an account called shaforo. i could push to kdepimlibs with it, but i couldn't push to kdelibs. is it because  of lack of permissions?

- Nick Shaforostoff


On Dec. 6, 2011, 5:53 p.m., Nick Shaforostoff wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/103348/
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> 
> (Updated Dec. 6, 2011, 5:53 p.m.)
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> 
> Review request for kdelibs.
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> Description
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> pretty straightforward and small optimization of kde apps startup time:
> avoid calculating luma for the same colors multiple times.
> 
> callgrind shows it is called 4503 times
> instead of 12087 at startup of kwrite, which is 1.5%.
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> 
> Diffs
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>   kdeui/colors/kcolorutils.cpp efe8cdd 
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> Diff: http://git.reviewboard.kde.org/r/103348/diff/diff
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> Testing
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> kwrite starts fine with the new kdeui lib
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> Thanks,
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> Nick Shaforostoff
> 
>

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