Application too slow

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Hi all,

I'm testing my application and is too slow. I've put some breakpoints on my code and I've seen that "QApplication app(argc, argv);" line spends too much time.

Is there any way to reduce this time?

Thanks,

giesbert

How much is: too slow?
what is your platform? embedded is not clearly defined, which processor etc...
Do you use parameters?

A bit more information could help.

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My environment:

Desktop Machine

Windows XP SP3
Visual Studio 2008 Professional
Qt 4.7.1 for WinCE
Add-in plugin
Intel(R) Core(TM)2 Duo CPU E6550 @2.33GHz, 3,23 GB of RAM

Device Machine

Windows Mobile 6.5 Professional
Casio IT-800 --> Marvell® PXA320 624MHz

I compile, build and deploy with Visual Studio and I didn't add any parameter.... When I'm debugging the line “QApplication app(argc, argv);” takes about 15 seconds. I think it is too time.

Thank you

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Hi all,

I've found this link "http://bugreports.qt.nokia.com/browse/QTBUG-11309?page=com.atlassian.streams.streams-jira-plugin:activity-stream-issue-tab#issue-tabs":http://bugreports.qt.nokia.com/browse/QTBUG-11309?page=com.atlassian.streams.streams-jira-plugin:activity-stream-issue-tab#issue-tabs. It seems that the problem is fixed on Qt 4.7 but I get it on Qt 4.7.1 for WinCE.

I don't know what is the cause... neither add a comment in link above...

Any idea?

Thanks!

giesbert

Hi XerXi,

did you check, whether the code is changed in 4.7.1 that is stated in the bug report?

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I'm not familiar with the bug report. I've searched "slow start application" filtering with my Qt version, and a lot of issues have been listed, but I don't see any similiar to mine....

I'm frustated...

giesbert

I meant, did you search the Qt source code for the fixes, meantioned in the bug fix?

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I found this:

@Description
Programs starting is vary slow.
Debugging result is that very long delay happens in file qapplication_win.cpp
function initializeMultitouch_sys()
line 4023: iInkTablets->get_Count(&count);@

But, how is it useful for me?