[Kmymoney-devel] Review Request 115680: Performance optimization of the mymoney object container.

[Cristian Oneț]

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https://git.reviewboard.kde.org/r/115680/
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(Updated March 4, 2014, 5:20 p.m.)


Status
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This change has been marked as submitted.


Review request for KMymoney and Thomas Baumgart.


Repository: kmymoney


Description
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Performance optimization of the mymoney object container.

The MyMoneyObjectContainer::account(QString) was the most costly
method of this class. Mainly due to the calls to dynamic_cast
needed to obtain the cached MyMoneyObject with it's proper type.

Improved this by:
1. implementing a per object type cache.
2. using QHash instead of QMap which provides faster lookups
3. replace macro method implementation with template methods

REVIEW: 115680


Diffs
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  kmymoney/mymoney/mymoneyobjectcontainer.h 2abc0f06632b4c29f6443ab3ad66cccf6a4ce1d9 
  kmymoney/mymoney/mymoneyobjectcontainer.cpp 796d9aa8cb44de5a449bb54f1a46e313ff65cf0d 

Diff: https://git.reviewboard.kde.org/r/115680/diff/


Testing
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Ran unit test. Profiled application and observed a performance improvement.


File Attachments
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File load before optimization
  https://git.reviewboard.kde.org/media/uploaded/files/2014/02/11/5a184cd9-42d1-4bbf-9fc2-0709b0987d14__file-load-before.png
File load after optimization
  https://git.reviewboard.kde.org/media/uploaded/files/2014/02/11/4b430712-a66e-410c-9a1a-15f990370043__file-load-after.png
Register load before optimization
  https://git.reviewboard.kde.org/media/uploaded/files/2014/02/11/eaa62d0b-1035-481e-a947-fac60fd6f388__register-load-before.png
Register load after optimization
  https://git.reviewboard.kde.org/media/uploaded/files/2014/02/11/55f57547-1b6b-436e-bd23-89c43da23be8__register-load-after.png


Thanks,

Cristian Oneț

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