[prev in list] [next in list] [prev in thread] [next in thread] 

List:       konsole-devel
Subject:    Re: [Konsole-devel] Review Request: patch to reduce memory usage
From:       "Robert Knight" <robertknight () gmail ! com>
Date:       2009-07-08 3:03:27
Message-ID: 20090708030327.17504.42315 () localhost
[Download RAW message or body]



> On 2009-07-07 07:00:39, Kurt Hindenburg wrote:
> > If this patch has been applied, please close this on reviewboard.

This patch has been marked as submitted - do I need to do anything else?


- Robert


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
http://reviewboard.kde.org/r/802/#review1481
-----------------------------------------------------------


On 2009-06-17 16:22:24, mick22 wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://reviewboard.kde.org/r/802/
> -----------------------------------------------------------
> 
> (Updated 2009-06-17 16:22:24)
> 
> 
> Review request for Konsole.
> 
> 
> Summary
> -------
> 
> Here's a patch that drastically reduces mem usage when a fixed size history is
> used:
> - new history storage type "HistoryTypeQList"  (QList-based) set as replacement for \
>                 HistoryTypeBuffer
> - compact storage for history lines
> 
> History lines are stored as an array of chars when possible (i.e. when
> color and rendition flag of all characters in the line are equal). 2 bytes per \
> character + overhead 
> When not (easily) possible, it falls back to the current way of storing history \
> lines (array of QVector<Character>). 11 bytes per character + overhead 
> Memory usage has been cut down from about 171MB to 55MB for a konsole process
> with 5 tabs, 30000 lines scrollback, 65 chars per line.
> 
> Update:
> As suggested in https://bugs.kde.org/show_bug.cgi?id=176974#c20, a formatting array \
> has been introduced in v2 of the patch. The CompactHistoryLine class can now handle \
> single- and multi-color history lines. This replaces v1 of the patch where 2 \
> separate classes were used. 
> 
> This addresses bug 176974.
> https://bugs.kde.org/show_bug.cgi?id=176974
> 
> 
> Diffs
> -----
> 
> /trunk/KDE/kdebase/apps/konsole/src/Character.h 981222 
> /trunk/KDE/kdebase/apps/konsole/src/History.h 981222 
> /trunk/KDE/kdebase/apps/konsole/src/History.cpp 981222 
> /trunk/KDE/kdebase/apps/konsole/src/SessionController.cpp 981222 
> /trunk/KDE/kdebase/apps/konsole/src/SessionManager.cpp 981222 
> 
> Diff: http://reviewboard.kde.org/r/802/diff
> 
> 
> Testing
> -------
> 
> reasonably tested 
> 
> 
> Thanks,
> 
> mick22
> 
> 

_______________________________________________
konsole-devel mailing list
konsole-devel@kde.org
https://mail.kde.org/mailman/listinfo/konsole-devel


[prev in list] [next in list] [prev in thread] [next in thread]