Review Request 108992: Simple optimizations in SignalPlotter

[Aaron J. Seigo]

> On April 5, 2013, 3:43 p.m., Albert Astals Cid wrote:
> > Aaron can you re-review to see if the requests you made are fixed and this is ready to go?

no, it still needs to be changed to address the points raised 


- Aaron J.


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On Feb. 22, 2013, 7:17 p.m., Raul Fernandes wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/108992/
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> 
> (Updated Feb. 22, 2013, 7:17 p.m.)
> 
> 
> Review request for Plasma.
> 
> 
> Description
> -------
> 
> - create variables and classes outside the loops
> - reserve space in QList if we know already how many items will be added (avoid unnecessary reallocations)
> - use const_iterator when possible
> - remove a useless call (p->setPen(Qt::NoPen) - it will be set latter before be used)
> - avoid multiplications (x3, x2, x1 and x0)
> 
> 
> Diffs
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> 
>   plasma/widgets/signalplotter.cpp 8e9e294 
> 
> Diff: http://git.reviewboard.kde.org/r/108992/diff/
> 
> 
> Testing
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> 
> I have tested with KDE 4.10 with no problems.
> I have seen a improvement of about 5% in drawPlots() function, the most expensive function in painting.
> 
> 
> Thanks,
> 
> Raul Fernandes
> 
>

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