[tuhopuu-devel] UV-LSCM

Brecht Van Lommel tuhopuu-devel@blender.org
03 Mar 2004 11:33:03 +0000


Hi,

On Tue, 2004-03-02 at 23:13, bjornmose wrote:
> i am NOT talking about lower quality, but a more local, more efficient algo!
> you may have a powerfull box doing things in a second, taking hours a few 
> years ago, but this little thing is worth looking at if it could take 
> milliseconds then. (again not to offend anyone, but i do not like the 
> attitude we 've got CPU so why not waste it (math rules!).

> i am not willing to look at graphite's code any longer since i poked evrey 
> now and then to find there is ugly redundant code all over (nice formatting 
> does not make clean code ) and not beeing able to solve a simple linear / 
> square optimization problem ( needing a superLU, which is definitely 
> unefficient on a sparse matrix  like this, to do ) shoots the bird.
> 
> sorry for beeing that harsh!

Obviously you know more about this kind of thing than I do. I figured we could
have about a 2x speed up by writing more efficient code and using a faster
library like UMFPACK. But if you can do this in milliseconds, that would be
awesome. I'm curious to see what kind of solution you'll think of!

Cheers,
Brecht