[Uim-bugs] [Bug 26265] New: Slowness using uim in QT applications
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Jan 27 02:18:54 PST 2010
http://bugs.freedesktop.org/show_bug.cgi?id=26265
Summary: Slowness using uim in QT applications
Product: UIM
Version: unspecified
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: libuim
AssignedTo: uim-bugs at freedesktop.org
ReportedBy: haraldhv at stud.ntnu.no
Created an attachment (id=32842)
--> (http://bugs.freedesktop.org/attachment.cgi?id=32842)
Callgrind output
When typing in QT-applications, there is something slowing the typing down
significantly, and the characters appearing is kind of split into 500-ms
intervals. This does not happen when using uim in gtk-applications, so I think
it might be a qt-only bug.
It happens with both anthy and hangul input methods that I tested.
I recorded the performance of inputting a series of characters in a textfield
with cachegrind, and the raw file (gzipped) is attached.
Also attached a screenshot from the callgrind file opened in kcachegrind,
showing 82% of the time spent in uim_press_key. Perhaps someone can spot the
problem easily from this?
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