I apologize for the delay, I thought that I was going to get the GPU Newton in a weekend and it is taking me three weekend just to get the solver bug free instead.
Ther are some git you in eth Cuda language that are quite very nastry, and quiet franly leave a lot to be desired.
I beleive I have in a very stable face that I can now rebuild the engine and post it wi teh Cuda stuff disale onet it is more finish
viewtopic.php?f=9&t=5003
Again I am very sorry abput that and I will put the new build this saturday.
Julio