Re: gtk application taking 6 seconds to load

["Sid Kapoor" <sidkapoor2000 gmail com>]

hi all,

 

Thanks michael for your prompt reply. As such there are no activities running in the background as my application is run. I even tried running the application without a theme. But the response was same, this is due to reason that I am using a very light weight gtk-theme.

 

I have a solution, just wanted to share it with you people whether that will be correct or not. In my application, there are 7 different tabs with all the tabs are having lots of widgets. So as the application starts up, it loads all the widgets before returning from the function in interface.c . So instead of loading all the 7 tabs in the same function, I am thinking of dividing the code in 7 parts and showing the front tab first, with the other tabs loading subsequently, This will virtually create an effect as if my application has taken 1/7th the time it is taking now.

 

The idea seems nice on paper, but will it work?? I just wanted to confirm before proceeding, as its a really big project, and will take a lot of effort to re-arrange the code.

 

Thanks in advance.

Siddharth Kapoor

On Jan 31, 2008 4:55 PM, Michael L Torrie <torriem chem byu edu> wrote:

Sid Kapoor wrote:
> hi all,
>
> I am having a customised linux distribution installed on a thin client
> with the following configuration.
>
> AMD LX800
> 128MB RAM

> Xorg version 7.2gtk-2.0 libraries

>
> I have made a gtk application (size 830 kB) using glade-2 to generate
> code for my application. When I run this gtk application on my
> customized linux distribution, it takes almost 6 seconds to show up.
> This lapse of 6 seconds is very irritating. Can anyone suggest how to
> reduce this "boot-up" time of my application.

Do all GTK apps have this bootup delay?  gedit, for example?  Is there a
lot of disk activity during this 6 second startup?  If you switch to the
default GTK theme does that help?

One thing that sometimes helps (if you can parse through the noise) is
to use strace to get a dump of all the system calls.  This can help see
if it's file opens that slow you down.

>
> One more thing. Here as I have said, I am using the code generation
> feature of glade-2. There is another approach to make gtk apps. and
> that is by using the XML file made by glade. Does both these
> approaches differ in loading time of my application?

Using glade XML files certainly is the recommended way to go.  However I
doubt it will make your app start up any faster, maybe a tiny bit
slower.  So after you've found out the cause of your slow starts, then
you can move to using the XML file directly and see what happens.

>
> Thanks in advance.
>
> Regards,
> Siddharth Kapoor
>
>
>

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--
Michael Torrie
Assistant CSR, System Administrator
Chemistry and Biochemistry Department
Brigham Young University
Provo, UT 84602
+1.801.422.5771

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Siddharth Kapoor 
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