[Digikam-users] Out of curiosity: digiKam is a very fast viewer for RAWs. How?

[Marcel Wiesweg]

>
> Thanks for the answer. I did not know already that small files are
> embedded in RAWs.
>
> My first thought was, you are using a RAM caching:
> Starting to render around 5 pictures before and after the one which
> has the focus.
> When a users scrolls to the next or previous picture, that type of
> caching ensures, that a user gets the picture very fast.

Yes we are doing that as well. There is a cache in memory, and we preload the 
next or previous picture in a different thread in the background. This is not 
specific to RAW files of course. And as Gilles pointed out, we are strictly 
using multithreading for all loading operations.


>
> Andreas