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Preloading while in user selection

  

KDE4 Brainstorm

Score 42%
PolitikerNEUPolitikerNEU
Link:  http://
Downloads:  22
Submitted:  Jan 31 2008

Description:

I just had a small idea what could be done to reduce "felt" loading time because KDE needs quite a lot of time in comparison to e. g. Windows XP.
My proposal would be to somewhat load the desktop programs (e. g. plasma, konqueror, kwin, ...) as the user types its password. (A bit like readahead maybe, but only after the kdm dialog has appered)
If this could be done, the programs would just need to load the user dependant data.
I don't know if this is possible, just an idea



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 Re:

 
 by BertSaxby on: Jan 31 2008  
Score 50%
BertSaxbyBertSaxby

Well I would say that it would be possible only in a very limited distribution where KDE is the only desktop environment of choice. For example it would never work in a a distro like SuSE because there is no guarantee that the user desires to run KDE so why would I be loading it in the background? If the user wants to launch Xfce then I would have to unload KDE and load Xfce which would increase the Xfce login time. Maybe okay for a distro like Kubuntu. Personally I'd just wait and see what optimizations occur with KDE4 before worrying about the load time.


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 Re: Re:

 
 by PolitikerNEU on: Jan 31 2008  
Score 50%
PolitikerNEUPolitikerNEU

I don't know if this is possible, but doesn't readahead provide a similar function?
Maybe, if it is possible, there could be a "standard" of freedesktop how to preload so that the system preloads the desktop environment the user has selected. (And most people prefer to use the same DE everytime they log in)

And even if the last thing cannot be done - KDE could only be loaded if KDE is selected so it is less time for KDE and equal time for other DEs.
And btw.: no matter how optimized KDE will be - using this it could be faster.


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 Re: Re:

 
 by blackhat77 on: Mar 2 2008  
Score 50%
blackhat77blackhat77

Hi.
I am a little bit confused.
I do not experience any slow down at the beginning and I do not see any additional pre-caching functionality needs.

I would like also to say that Windows could be faster in the desktop show but in background it keeps working for more than a minute sometime... I mean, it depends on how many application you have on the "autostart" level, of course!

With 1.5 GM of Ram my KDE 4.0.1 let me operate on the desktop after 10/15 secs.

Before when I had XP on the second boot I had to wait quite a minute before opening any application..

Maybe I am not good with Windows but I really do not see any performances slow down after the login!

Have a nice day


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 Re: Re:

 
 by blackhat77 on: Mar 2 2008  
Score 50%
blackhat77blackhat77

Hi.
I am a little bit confused.
I do not experience any slow down at the beginning and I do not see any additional pre-caching functionality needs.

I would like also to say that Windows could be faster in the desktop show but in background it keeps working for more than a minute sometime... I mean, it depends on how many application you have on the "autostart" level, of course!

With 1.5 GM of Ram my KDE 4.0.1 let me operate on the desktop after 10/15 secs.

Before when I had XP on the second boot I had to wait quite a minute before opening any application..

Maybe I am not good with Windows but I really do not see any performances slow down after the login!

Have a nice day


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 Re: Re: Re:

 
 by PolitikerNEU on: Mar 6 2008  
Score 50%
PolitikerNEUPolitikerNEU

Just log out and log in to KDE and you see what I mean - if the libaries are stored in the Ram the login is much faster.
And this is just what I want to happen even if no DE is loaded - while the user enters his password, some common libaries are loaded in background.


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.

 We have a already

 
 by Fri13 on: Feb 3 2008  
Score 50%
Fri13inactive user

Here is your answer http://en.wikipedia.org/wiki/Prelinking

Just prelink your KDE and you get it starting up much faster!

I dont even have prelink and KDE takes on me to start about 7 seconds. This is very nice because AFTER 7 seconds when loading screen disapears, i can start using KDE. On windows, login is faster yes, desktop comes up under 4 seconds but it takes over 30 seconds to load everything so i can even open my computer or any other application.

KDE is that way much faster to load.
Vista takes on my machine to load from login to desktop about 45 seconds, and this is brand new laptop with 4Gb memory and 2 Core CPU etc.

Just prelink your machine and you get it much faster...

KDE is made for users by users....
What can you give back to others?
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