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List:       kde-optimize
Subject:    Re: Disk usage optimizations
From:       Frans Englich <frans.englich () telia ! com>
Date:       2005-02-22 21:41:55
Message-ID: 200502222141.55543.frans.englich () telia ! com
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On Tuesday 22 February 2005 21:25, Waldo Bastian wrote:
> On Tuesday 22 February 2005 20:18, Aaron Seigo wrote:
> > On February 22, 2005 11:28, Mikolaj Machowski wrote:
> > > opening of K-Menu can last some time.
> >
> > since we use ksycoca to populate the kmenu, are you sure it's disk
> > activity that causes this?
>
> Well, from the sound of it, yes :-) It's probably due to the icon loading,
> when a menu is first shown we need to load the icons, and for each icon we
> need to hit the disk. If the IO-system is under load that can take a
> significant time.
>
> For KDE4 it would be nice if we could load icons more efficiently, e.g. if
> we could load all icons for a single menu with one disk access instead of
> 10.

Owen's and Michael's cache icon theme information as presented on the 
xdg-list, should help that a lot, AFAICT; it's a binary index(mmap'd etc) 
where the names are hashed, and can contain the images too(all in one file). 
But perhaps it's not a possibility?

I think also Nikolas Zimmermann had plans about an "icon server", or 
something.


Cheers,

		Frans
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