[petsc-users] GPU local direct solve of penta-diagonal

[Karl Rupp]

Hi Mark,

 > We have a lot of 5-point stencil operators on ~50x100 grids to solve.
>   These are not symmetric and we have been using LU.  We want to move
> this onto GPUs (Titan).  What resources are there to do this?

do you have lots of problems to solve simultaneously? Or any other 
feature that makes this problem expensive? 50x100 would mean a system 
size of about 5000 dofs, which is too small to really benefit from GPUs.

Best regards,
Karli