Review Request 129186: [baloo] Speedup Positioncodec::encode()

[David Faure]

> On Nov. 6, 2016, 7:36 p.m., David Faure wrote:
> > src/codecs/coding.cpp, line 177
> > <https://git.reviewboard.kde.org/r/129186/diff/2/?file=484178#file484178line177>
> >
> >     remove space before auto; make it "const auto" while at it?

ignore the const bit, that was nonsense.


- David


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On Nov. 6, 2016, 12:58 p.m., Christian Ehrlicher wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/129186/
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> 
> (Updated Nov. 6, 2016, 12:58 p.m.)
> 
> 
> Review request for Baloo, KDE Frameworks and Vishesh Handa.
> 
> 
> Repository: baloo
> 
> 
> Description
> -------
> 
> This patch speeds up PostingCodec::encode() by a factor of ~4 by not adding every single encoded int32 to the resulting bytearray which results in a lot of small memcpy operations.
> The idea is to use a preallocated QByteArray and directly encode the integers into this buffer. This makes the code a little bit more complex but the speedup should be gain enough for this.
> 
> 
> Ping! No interest in this patch? Should I discard it?
> 
> 
> Diffs
> -----
> 
>   src/codecs/coding.cpp 5961077 
> 
> Diff: https://git.reviewboard.kde.org/r/129186/diff/
> 
> 
> Testing
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> 
> positoncodectest calculates the same md5sum as before.
> 
> 
> Thanks,
> 
> Christian Ehrlicher
> 
>

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