[Kde-pim] Review Request 110302: Save memory in VCardParser by sharing common strings

[Kevin Krammer]

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Ship it!


Ship It!

- Kevin Krammer


On May 4, 2013, 8:34 p.m., Milian Wolff wrote:
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> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/110302/
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> (Updated May 4, 2013, 8:34 p.m.)
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> 
> Review request for KDEPIM-Libraries.
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> Description
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>     Many strings common to the VCard format where not shared resulting
>     in an exessive memory consumption. Now these strings are interned
>     to leverage implicit sharing.
>     
>     Note: To furthermore decrease the amount of QByteArray -> QString
>     conversions this code uses a (trivial) custom interning cache
>     instead of reusing Akonadi::Internal::SharedValuePool.
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> 
> Diffs
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>   kabc/vcardparser/vcardparser.cpp c7b7a5a 
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> Diff: http://git.reviewboard.kde.org/r/110302/diff/
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> Testing
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>     Massif shows that this patch reduces the memory consumption for
>     running testread on a file containing 10k randomly generated vcards
>     by ~6MB or by nearly 16% from a total of about 38MB.
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> Thanks,
> 
> Milian Wolff
> 
>

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