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List:       kde-bugs-dist
Subject:    [Bug 215968] Scheduled reparsing of all project files is too slow
From:       Milian Wolff <mail () milianw ! de>
Date:       2011-09-09 16:05:31
Message-ID: E1R23a7-0005pV-IS () bugs ! kde ! org
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https://bugs.kde.org/show_bug.cgi?id=215968





--- Comment #47 from Milian Wolff <mail milianw de>  2011-09-09 16:05:31 ---
Git commit acabbf5b22030266968bb60a3ae50109c92c00f6 by Milian Wolff.
Committed on 09/09/2011 at 18:02.
Pushed by mwolff into branch 'master'.

optimize: implement hash-based lookup for itemsForUrl

When loading big projects with lots of files, much time was spent in
Project::itemsForUrl (up to a minute in total in one of my tests).

Now we use a QHash<uint, ProjectBaseItem*> lookup table, which brings
down the total time to a mere fraction of a second.

The lookup table is saved in the ProjectModel and is updated on demand
from the ProjectBaseItem.

Introduces a new ProjectModel::itemsForUrl which will return all files
for a url without filtering by project.

CCBUG: 215968

M  +5    -0    language/duchain/indexedstring.cpp
M  +1    -0    language/duchain/indexedstring.h
M  +40   -1    project/projectmodel.cpp
M  +4    -0    project/projectmodel.h
M  +15   -6    shell/project.cpp

http://commits.kde.org/kdevplatform/acabbf5b22030266968bb60a3ae50109c92c00f6

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